[INFO] cloning repository https://github.com/rohankumardubey/wickdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rohankumardubey/wickdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fwickdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fwickdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8e4c6f6a1f284efab49974dd983fff3b3a48383
[INFO] testing rohankumardubey/wickdb against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fwickdb" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rohankumardubey/wickdb on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rohankumardubey/wickdb
[INFO] finished tweaking git repo https://github.com/rohankumardubey/wickdb
[INFO] tweaked toml for git repo https://github.com/rohankumardubey/wickdb written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rohankumardubey/wickdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-async v2.4.0
[INFO] [stderr]   Downloaded bstr v0.2.9
[INFO] [stderr]   Downloaded snap v1.0.0
[INFO] [stderr]   Downloaded csv v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98baaeae15f385f82aefa904f11b70f9a5d54338130350089c13c52d3cb22042
[INFO] running `Command { std: "docker" "start" "-a" "98baaeae15f385f82aefa904f11b70f9a5d54338130350089c13c52d3cb22042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98baaeae15f385f82aefa904f11b70f9a5d54338130350089c13c52d3cb22042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98baaeae15f385f82aefa904f11b70f9a5d54338130350089c13c52d3cb22042", kill_on_drop: false }`
[INFO] [stdout] 98baaeae15f385f82aefa904f11b70f9a5d54338130350089c13c52d3cb22042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a63e7bd3692f84faf1e84dd0c2ae2a14ac560b5e7d90e766e2377d986c4e10d0
[INFO] running `Command { std: "docker" "start" "-a" "a63e7bd3692f84faf1e84dd0c2ae2a14ac560b5e7d90e766e2377d986c4e10d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling snap v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling slog-async v2.4.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling slog-term v2.5.0
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling wickdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::slice::Iter` that must be used
[INFO] [stdout]   --> src/compaction.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.base.iter();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = self.base.iter();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v1.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a63e7bd3692f84faf1e84dd0c2ae2a14ac560b5e7d90e766e2377d986c4e10d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63e7bd3692f84faf1e84dd0c2ae2a14ac560b5e7d90e766e2377d986c4e10d0", kill_on_drop: false }`
[INFO] [stdout] a63e7bd3692f84faf1e84dd0c2ae2a14ac560b5e7d90e766e2377d986c4e10d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 267a3c1c4d2445e2f14658fc24258676cc2579f0f04176b9206fa2a53294fbbf
[INFO] running `Command { std: "docker" "start" "-a" "267a3c1c4d2445e2f14658fc24258676cc2579f0f04176b9206fa2a53294fbbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stdout] warning: unused `std::slice::Iter` that must be used
[INFO] [stdout]   --> src/compaction.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.base.iter();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = self.base.iter();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling bstr v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling csv v1.1.2
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling wickdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::slice::Iter` that must be used
[INFO] [stdout]   --> src/compaction.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.base.iter();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = self.base.iter();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 34.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0, snap v1.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "267a3c1c4d2445e2f14658fc24258676cc2579f0f04176b9206fa2a53294fbbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267a3c1c4d2445e2f14658fc24258676cc2579f0f04176b9206fa2a53294fbbf", kill_on_drop: false }`
[INFO] [stdout] 267a3c1c4d2445e2f14658fc24258676cc2579f0f04176b9206fa2a53294fbbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d669442151991e0ad7f2f16733214bbf8acf2553c7bcaae3b719c95213fbb7c2
[INFO] running `Command { std: "docker" "start" "-a" "d669442151991e0ad7f2f16733214bbf8acf2553c7bcaae3b719c95213fbb7c2", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::slice::Iter` that must be used
[INFO] [stderr]   --> src/compaction.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         self.base.iter();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let _ = self.base.iter();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stderr]    --> src/iterator.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let _ = self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stderr]    --> src/iterator.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let _ = self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `wickdb` (lib) generated 3 warnings
[INFO] [stderr] warning: `wickdb` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0, snap v1.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wickdb-053be15e4b799e8a)
[INFO] [stdout] 
[INFO] [stdout] running 222 tests
[INFO] [stdout] test batch::tests::test_approximate_size ... ok
[INFO] [stdout] test batch::tests::test_append_batch ... ok
[INFO] [stdout] test cache::lru::tests::test_hit_and_miss ... ok
[INFO] [stdout] test cache::lru::tests::test_use_exceeds_cache_size ... ok
[INFO] [stdout] test cache::lru::tests::test_eviction_policy ... ok
[INFO] [stdout] test cache::lru::tests::test_heavy_entries ... ok
[INFO] [stdout] test db::filename::tests::test_generate_filename ... ok
[INFO] [stdout] test batch::tests::test_corrupted_batch ... ok
[INFO] [stdout] test cache::lru::tests::test_erase ... ok
[INFO] [stdout] test batch::tests::test_multiple_records ... ok
[INFO] [stdout] test batch::tests::test_empty_batch ... ok
[INFO] [stdout] test cache::lru::tests::test_zero_size_cache ... ok
[INFO] [stdout] test db::filename::tests::test_parse_filename ... ok
[INFO] [stdout] test cache::lru::tests::test_entries_are_pinned ... ok
[INFO] [stdout] test db::format::tests::test_icmp_cmp ... ok
[INFO] [stdout] test db::format::tests::test_icmp_successor ... ok
[INFO] [stdout] test db::format::tests::test_pack_seq_and_type ... ok
[INFO] [stdout] test db::format::tests::test_icmp_separator ... ok
[INFO] [stdout] test db::format::tests::test_internal_key_encode_decode ... ok
[INFO] [stdout] test cache::tests::test_concurrent_insert ... ok
[INFO] [stdout] test db::tests::test_custom_comparator ... ok
[INFO] [stdout] test db::format::tests::test_pack_seq_and_type_panic - should panic ... ok
[INFO] [stdout] test db::tests::test_comparator_check ... ok
[INFO] [stdout] test db::tests::test_db_file_lock ... ok
[INFO] [stdout] test db::tests::test_dbopen_options ... ok
[INFO] [stdout] test db::tests::test_destroy_empty_dir ... ok
[INFO] [stdout] test db::tests::test_empty_db ... ok
[INFO] [stdout] test db::tests::test_empty_key ... ok
[INFO] [stdout] test db::tests::test_empty_value ... ok
[INFO] [stdout] test db::tests::test_fs_non_writable ... ok
[INFO] [stdout] test db::tests::test_fs_sync_error ... ok
[INFO] [stdout] test db::tests::test_deletion_marker2 ... ok
[INFO] [stdout] test db::tests::test_deletion_marker1 ... ok
[INFO] [stdout] test db::tests::test_approximiate_sizes_min_of_small_and_large ... ok
[INFO] [stdout] test db::tests::test_db_reads_using_bloom_filter ... ok
[INFO] [stdout] test db::tests::test_get_from_versions ... ok
[INFO] [stdout] test db::tests::test_compaction_generate_multiple_files ... ok
[INFO] [stdout] test db::tests::test_get_from_immutable_layer ... ok
[INFO] [stdout] test db::tests::test_file_deleted_after_compaction ... ok
[INFO] [stdout] test db::tests::test_iter_empty_db ... ok
[INFO] [stdout] test db::tests::test_iter_multi ... ok
[INFO] [stdout] test db::tests::test_iter_multi_with_delete ... ok
[INFO] [stdout] test db::tests::test_iter_pins_ref ... ok
[INFO] [stdout] test db::tests::test_iter_single ... ok
[INFO] [stdout] test db::tests::test_iter_small_and_large_mix ... ok
[INFO] [stdout] test db::tests::test_get_level0_ordering ... ok
[INFO] [stdout] test db::tests::test_l0_compaction_when_reopen ... ok
[INFO] [stdout] test db::tests::test_manifest_write_error ... ok
[INFO] [stdout] test db::tests::test_get_ordered_by_levels ... ok
[INFO] [stdout] test db::tests::test_get_with_identical_snapshots ... ok
[INFO] [stdout] test db::tests::test_minor_compactions_happend ... ok
[INFO] [stdout] test db::tests::test_iterate_over_empty_snapshot ... ok
[INFO] [stdout] test db::tests::test_missing_sstfile ... ok
[INFO] [stdout] test db::tests::test_no_storage_space ... ok
[INFO] [stdout] test db::tests::test_get_encounters_empty_level ... ok
[INFO] [stdout] test db::tests::test_mem_compact_into_max_level ... ok
[INFO] [stdout] test db::tests::test_put_delete_get ... ok
[INFO] [stdout] test db::tests::test_read_write ... ok
[INFO] [stdout] test db::tests::test_get_with_snapshot ... ok
[INFO] [stdout] test db::tests::test_recover_with_entries ... ok
[INFO] [stdout] test db::tests::test_recover_with_large_log ... ok
[INFO] [stdout] test db::tests::test_reopen_with_empty_db ... ok
[INFO] [stderr] Feb 14 15:05:35.417 WARN Compact memtable error: DBClosed("when compacting memory table"), [location]: src/db/mod.rs:1064
[INFO] [stderr] Feb 14 15:05:38.068 WARN Compact memtable error: DBClosed("when compacting memory table"), [location]: src/db/mod.rs:1064
[INFO] [stdout] test db::tests::test_repeated_write_to_same_key ... ok
[INFO] [stdout] test db::tests::test_snapshot ... ok
[INFO] [stdout] test db::tests::test_sparse_merge ... ignored
[INFO] [stdout] test filter::bloom::tests::test_bloom_filter_empty ... ok
[INFO] [stdout] test filter::bloom::tests::test_bloom_filter_small ... ok
[INFO] [stdout] test filter::bloom::tests::test_bloom_filter_varying_lengths ... ok
[INFO] [stdout] test iterator::tests::test_concatenated_iterator ... ok
[INFO] [stdout] test iterator::tests::test_merging_iterator ... ok
[INFO] [stdout] test logger::tests::test_default_logger ... ok
[INFO] [stdout] test mem::arena::tests::test_allocate_empty_should_panic - should panic ... ok
[INFO] [stdout] test mem::arena::tests::test_allocate_fallback ... ok
[INFO] [stdout] test db::tests::test_recover_during_memtable_compaction ... ok
[INFO] [stdout] test mem::arena::tests::test_allocate_new_block ... ok
[INFO] [stdout] test mem::arena::tests::test_new_arena ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_basic ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_concurrent_basic_big_value ... ok
[INFO] [stdout] test db::tests::test_manual_compaction ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_empty ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_find_near ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_mem_alloc ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_concurrent_basic_small_value ... ok
[INFO] [stdout] test mem::skiplist::tests::test_concurrent_without_threads ... ok
[INFO] [stdout] test mem::skiplist::tests::test_duplicate_insert_should_panic - should panic ... ok
[INFO] [stdout] test mem::skiplist::tests::test_empty_skiplist_iterator ... ok
[INFO] [stdout] test mem::skiplist::tests::test_find_greater_or_equal ... ok
[INFO] [stdout] test mem::skiplist::tests::test_find_last ... ok
[INFO] [stdout] test mem::skiplist::tests::test_find_less_than ... ok
[INFO] [stdout] test mem::skiplist::tests::test_insert ... ok
[INFO] [stdout] test mem::skiplist::tests::test_key_is_less_than_or_equal ... ok
[INFO] [stdout] test mem::skiplist::tests::test_rand_height ... ok
[INFO] [stdout] test mem::skiplist::tests::test_skiplist_basic ... ok
[INFO] [stdout] test mem::tests::test_memtable_add_get ... ok
[INFO] [stdout] test mem::tests::test_memtable_iter ... ok
[INFO] [stdout] test record::tests::test_aligned_eof ... ok
[INFO] [stdout] test record::tests::test_bad_length_at_end_is_ignored ... ok
[INFO] [stdout] test record::tests::test_bad_record_length ... ok
[INFO] [stdout] test record::tests::test_bad_record_type - should panic ... ok
[INFO] [stdout] test record::tests::test_check_read_end ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_first_block_trailer ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_last_block ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_middle_block ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_one_off ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_start ... ok
[INFO] [stdout] test record::tests::test_check_read_initial_offset_into_block_padding ... ok
[INFO] [stdout] test record::tests::test_check_read_past_end ... ok
[INFO] [stdout] test record::tests::test_check_read_second_one_off ... ok
[INFO] [stdout] test record::tests::test_check_read_second_start ... ok
[INFO] [stdout] test record::tests::test_check_read_second_ten_thousand ... ok
[INFO] [stdout] test record::tests::test_check_read_start ... ok
[INFO] [stdout] test record::tests::test_check_read_third_one_off ... ok
[INFO] [stdout] test mem::arena::tests::test_allocate_mixed ... ok
[INFO] [stdout] test record::tests::test_check_read_third_start ... ok
[INFO] [stdout] test record::tests::test_checksum_mismatch ... ok
[INFO] [stdout] test record::tests::test_error_joins_records ... ok
[INFO] [stdout] test record::tests::test_fragmentation_records ... ok
[INFO] [stdout] test record::tests::test_marginal_trailer ... ok
[INFO] [stdout] test record::tests::test_marginal_trailer2 ... ok
[INFO] [stdout] test record::tests::test_missing_last_is_ignored ... ok
[INFO] [stdout] test record::tests::test_open_for_append ... ok
[INFO] [stdout] test record::tests::test_partial_last_is_ignored ... ok
[INFO] [stdout] test db::tests::test_pick_correct_file ... ok
[INFO] [stdout] test record::tests::test_read_eof ... ok
[INFO] [stdout] test record::tests::test_read_error ... ok
[INFO] [stdout] test record::tests::test_read_write ... ok
[INFO] [stdout] test record::tests::test_short_trailer ... ok
[INFO] [stdout] test record::tests::test_skip_into_multi_record ... ok
[INFO] [stdout] test record::tests::test_truncated_trailing_record_is_ignored ... ok
[INFO] [stdout] test record::tests::test_unexpected_first_type ... ok
[INFO] [stdout] test record::tests::test_unexpected_full_type ... ok
[INFO] [stdout] test record::tests::test_unexpected_last_type ... ok
[INFO] [stdout] test record::tests::test_unexpected_middle_type ... ok
[INFO] [stdout] test snapshot::tests::test_append_new_snapshot ... ok
[INFO] [stdout] test snapshot::tests::test_gc ... ok
[INFO] [stdout] test snapshot::tests::test_new_is_empty ... ok
[INFO] [stdout] test snapshot::tests::test_oldest ... ok
[INFO] [stdout] test snapshot::tests::test_release ... ok
[INFO] [stdout] test sstable::block::tests::test_add_inconsistent_key - should panic ... ok
[INFO] [stdout] test sstable::block::tests::test_block_iter ... ok
[INFO] [stdout] test sstable::block::tests::test_corrupted_block ... ok
[INFO] [stdout] test sstable::block::tests::test_iter_big_entry_block ... ok
[INFO] [stdout] test sstable::block::tests::test_new_block_from_bytes ... ok
[INFO] [stdout] test sstable::block::tests::test_new_empty_block ... ok
[INFO] [stdout] test sstable::block::tests::test_read_write ... ok
[INFO] [stdout] test sstable::block::tests::test_simple_empty_key ... ok
[INFO] [stdout] test sstable::block::tests::test_write_entries ... ok
[INFO] [stdout] test sstable::block::tests::test_write_restarts ... ok
[INFO] [stdout] test sstable::filter_block::tests::test_empty_builder ... ok
[INFO] [stdout] test sstable::filter_block::tests::test_multiple_chunk ... ok
[INFO] [stdout] test sstable::filter_block::tests::test_single_chunk ... ok
[INFO] [stdout] test sstable::table::tests::test_block_write_and_read ... ok
[INFO] [stdout] test sstable::table::tests::test_build_empty_table_with_meta_block ... ok
[INFO] [stdout] test sstable::table::tests::test_build_empty_table_without_meta_block ... ok
[INFO] [stdout] test sstable::table::tests::test_table_add_consistency - should panic ... ok
[INFO] [stdout] test sstable::table::tests::test_table_write_and_read ... ok
[INFO] [stdout] test sstable::test_footer::test_encode_decode ... ok
[INFO] [stdout] test sstable::test_footer::test_footer_corruption ... ok
[INFO] [stdout] test sstable::tests::test_empty_harness ... ok
[INFO] [stdout] test sstable::tests::test_mutiple_key ... ok
[INFO] [stdout] test record::tests::test_random_read ... ok
[INFO] [stdout] test sstable::tests::test_simple_empty_key ... ok
[INFO] [stdout] test sstable::tests::test_single_key ... ok
[INFO] [stdout] test record::tests::test_many_blocks ... ok
[INFO] [stdout] test storage::file::tests::test_read_exact_at ... FAILED
[INFO] [stdout] test storage::mem::tests::test_mem_file_lock_unlock ... ok
[INFO] [stdout] test storage::mem::tests::test_mem_file_read_at ... ok
[INFO] [stdout] test storage::mem::tests::test_mem_file_read_write ... ok
[INFO] [stdout] test storage::mem::tests::test_path_clean ... ok
[INFO] [stdout] test storage::mem::tests::test_reopen_file_and_read ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_basic ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_create ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_exists ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_list ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_mkdir_all ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_open ... ok
[INFO] [stdout] test sstable::tests::test_special_key ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_remove ... ok
[INFO] [stdout] test util::coding::tests::test_decode_fixed_32 ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_remove_dir ... ok
[INFO] [stdout] test util::coding::tests::test_encode_fixed_32 ... ok
[INFO] [stdout] test util::coding::tests::test_decode_fixed_64 ... ok
[INFO] [stdout] test util::coding::tests::test_encode_fixed_64 ... ok
[INFO] [stdout] test util::coding::tests::test_put_fixed64 ... ok
[INFO] [stdout] test util::comparator::tests::test_bytewise_comparator_separator ... ok
[INFO] [stdout] test util::comparator::tests::test_bytewise_comparator_successor ... ok
[INFO] [stdout] test util::crc32::tests::test_extend ... ok
[INFO] [stdout] test util::crc32::tests::test_mask_unmask ... ok
[INFO] [stdout] test util::crc32::tests::test_standard_crc32_results ... ok
[INFO] [stdout] test util::crc32::tests::test_values ... ok
[INFO] [stdout] test util::hash::tests::test_signed_unsigned_issue ... ok
[INFO] [stdout] test util::varint::tests::test_put_and_get_prefixed_slice ... ok
[INFO] [stdout] test util::varint::tests::test_put_and_get_varint ... ok
[INFO] [stdout] test util::varint::tests::test_read_u64 ... ok
[INFO] [stdout] test util::varint::tests::test_write_u64 ... ok
[INFO] [stdout] test version::find_file_tests::test_empty_file_set ... ok
[INFO] [stdout] test version::find_file_tests::test_find_file_with_single_file ... ok
[INFO] [stdout] test version::find_file_tests::test_find_files_with_various_files ... ok
[INFO] [stdout] test version::find_file_tests::test_multiple_null_boundaries ... ok
[INFO] [stdout] test version::find_file_tests::test_overlap_sequence_check ... ok
[INFO] [stdout] test version::find_file_tests::test_overlapping_files ... ok
[INFO] [stdout] test version::version_edit::tests::test_encode_decode ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_comparator_name ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_last_sequence ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_log_number ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_next_file ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_prev_log_number ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_disjoint_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_empty_compaction_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_empty_file_sets ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_empty_level_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_no_boundary_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_one_boundary_file ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_two_boundary_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_version_builder_accumulate_and_apply ... ok
[INFO] [stdout] test util::coding::tests::test_put_fixed32 ... ok
[INFO] [stdout] test sstable::tests::test_randomized_key ... ok
[INFO] [stdout] test db::tests::test_overlap_in_level0 ... ok
[INFO] [stdout] test db::tests::test_hidden_values_are_removed ... ok
[INFO] [stdout] test mem::skiplist::tests::test_concurrency_read_write ... ok
[INFO] [stdout] test db::tests::test_approximate_size ... ok
[INFO] [stdout] test db::tests::test_multi_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- storage::file::tests::test_read_exact_at stdout ----
[INFO] [stdout] thread 'storage::file::tests::test_read_exact_at' panicked at src/storage/file.rs:163:45:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a3af56b856 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55a3af56b856 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55a3af56b856 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55a3af56b856 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55a3af5952f0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55a3af5952f0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55a3af568f4f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55a3af56b634 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55a3af56b634 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55a3af56d3a7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55a3af56d08d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55a3af4444c7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55a3af4444c7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55a3af56d9c6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55a3af56d9c6 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55a3af56d712 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55a3af56bd56 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55a3af56d470 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55a3af1052b5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55a3af105853 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55a3af3d166b - core::result::Result<T,E>::unwrap::hf02d2cf5069f04fc
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x55a3af2cd0ec - wickdb::storage::file::tests::test_read_exact_at::h348fea7679ee110a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/file.rs:163:21
[INFO] [stdout]   22:     0x55a3af2cd097 - wickdb::storage::file::tests::test_read_exact_at::{{closure}}::h201e2ec69796f4fe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/file.rs:162:28
[INFO] [stdout]   23:     0x55a3af2e1b66 - core::ops::function::FnOnce::call_once::h26082ed2079920f0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55a3af449d9f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55a3af449d9f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55a3af448b21 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55a3af448b21 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55a3af448b21 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55a3af448b21 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55a3af448b21 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55a3af448b21 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55a3af448b21 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55a3af40fe56 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55a3af40fe56 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55a3af414eb7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55a3af414eb7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55a3af414eb7 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55a3af414eb7 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55a3af414eb7 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55a3af414eb7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55a3af414eb7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55a3af572655 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55a3af572655 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55a3af572655 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7ff59afc7ac3 - <unknown>
[INFO] [stdout]   46:     0x7ff59b058bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     storage::file::tests::test_read_exact_at
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 220 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 56.48s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d669442151991e0ad7f2f16733214bbf8acf2553c7bcaae3b719c95213fbb7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d669442151991e0ad7f2f16733214bbf8acf2553c7bcaae3b719c95213fbb7c2", kill_on_drop: false }`
[INFO] [stdout] d669442151991e0ad7f2f16733214bbf8acf2553c7bcaae3b719c95213fbb7c2
[INFO] testing rohankumardubey/wickdb against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fwickdb" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rohankumardubey/wickdb on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rohankumardubey/wickdb
[INFO] finished tweaking git repo https://github.com/rohankumardubey/wickdb
[INFO] tweaked toml for git repo https://github.com/rohankumardubey/wickdb written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rohankumardubey/wickdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07b6cb6c220168c12da037c02bb513df7782d31465b81be322acae66e51e4b01
[INFO] running `Command { std: "docker" "start" "-a" "07b6cb6c220168c12da037c02bb513df7782d31465b81be322acae66e51e4b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07b6cb6c220168c12da037c02bb513df7782d31465b81be322acae66e51e4b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b6cb6c220168c12da037c02bb513df7782d31465b81be322acae66e51e4b01", kill_on_drop: false }`
[INFO] [stdout] 07b6cb6c220168c12da037c02bb513df7782d31465b81be322acae66e51e4b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8a22cdd459233ca7dd11772ef91497683d1c6664af82d35e08197b84284535b
[INFO] running `Command { std: "docker" "start" "-a" "b8a22cdd459233ca7dd11772ef91497683d1c6664af82d35e08197b84284535b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling snap v1.0.0
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling slog-async v2.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling slog-term v2.5.0
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling wickdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::slice::Iter` that must be used
[INFO] [stdout]   --> src/compaction.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.base.iter();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = self.base.iter();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.97s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v1.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b8a22cdd459233ca7dd11772ef91497683d1c6664af82d35e08197b84284535b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a22cdd459233ca7dd11772ef91497683d1c6664af82d35e08197b84284535b", kill_on_drop: false }`
[INFO] [stdout] b8a22cdd459233ca7dd11772ef91497683d1c6664af82d35e08197b84284535b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a4c0578e8cfb54a7d2afd2386c4380c194a7eb7b8e656617e1229774c4a300
[INFO] running `Command { std: "docker" "start" "-a" "21a4c0578e8cfb54a7d2afd2386c4380c194a7eb7b8e656617e1229774c4a300", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stdout] warning: unused `std::slice::Iter` that must be used
[INFO] [stdout]   --> src/compaction.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.base.iter();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = self.base.iter();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling csv v1.1.2
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling wickdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::slice::Iter` that must be used
[INFO] [stdout]   --> src/compaction.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.base.iter();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = self.base.iter();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/iterator.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 29.67s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0, snap v1.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "21a4c0578e8cfb54a7d2afd2386c4380c194a7eb7b8e656617e1229774c4a300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a4c0578e8cfb54a7d2afd2386c4380c194a7eb7b8e656617e1229774c4a300", kill_on_drop: false }`
[INFO] [stdout] 21a4c0578e8cfb54a7d2afd2386c4380c194a7eb7b8e656617e1229774c4a300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52291b6b546090855aa2a3023aaa0e79ea279efa48303b236e7edcf2c8fd9fa5
[INFO] running `Command { std: "docker" "start" "-a" "52291b6b546090855aa2a3023aaa0e79ea279efa48303b236e7edcf2c8fd9fa5", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::slice::Iter` that must be used
[INFO] [stderr]   --> src/compaction.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         self.base.iter();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let _ = self.base.iter();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stderr]    --> src/iterator.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let _ = self.derived.as_mut().map_or((), |di| di.next());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stderr]    --> src/iterator.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let _ = self.derived.as_mut().map_or((), |di| di.prev());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `wickdb` (lib) generated 3 warnings
[INFO] [stderr] warning: `wickdb` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0, snap v1.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wickdb-63812b0de9d80a6e)
[INFO] [stdout] 
[INFO] [stdout] running 222 tests
[INFO] [stdout] test cache::lru::tests::test_eviction_policy ... ok
[INFO] [stdout] test batch::tests::test_corrupted_batch ... ok
[INFO] [stdout] test batch::tests::test_empty_batch ... ok
[INFO] [stdout] test cache::lru::tests::test_erase ... ok
[INFO] [stdout] test batch::tests::test_multiple_records ... ok
[INFO] [stdout] test cache::lru::tests::test_zero_size_cache ... ok
[INFO] [stdout] test batch::tests::test_append_batch ... ok
[INFO] [stdout] test batch::tests::test_approximate_size ... ok
[INFO] [stdout] test cache::lru::tests::test_heavy_entries ... ok
[INFO] [stdout] test cache::lru::tests::test_use_exceeds_cache_size ... ok
[INFO] [stdout] test db::filename::tests::test_parse_filename ... ok
[INFO] [stdout] test db::format::tests::test_icmp_cmp ... ok
[INFO] [stdout] test cache::lru::tests::test_hit_and_miss ... ok
[INFO] [stdout] test db::filename::tests::test_generate_filename ... ok
[INFO] [stdout] test cache::lru::tests::test_entries_are_pinned ... ok
[INFO] [stdout] test db::format::tests::test_icmp_successor ... ok
[INFO] [stdout] test db::format::tests::test_internal_key_encode_decode ... ok
[INFO] [stdout] test db::format::tests::test_icmp_separator ... ok
[INFO] [stdout] test db::format::tests::test_pack_seq_and_type ... ok
[INFO] [stdout] test cache::tests::test_concurrent_insert ... ok
[INFO] [stdout] test db::tests::test_db_file_lock ... ok
[INFO] [stdout] test db::tests::test_custom_comparator ... ok
[INFO] [stdout] test db::tests::test_comparator_check ... ok
[INFO] [stdout] test db::tests::test_dbopen_options ... ok
[INFO] [stdout] test db::format::tests::test_pack_seq_and_type_panic - should panic ... ok
[INFO] [stdout] test db::tests::test_empty_db ... ok
[INFO] [stdout] test db::tests::test_destroy_empty_dir ... ok
[INFO] [stdout] test db::tests::test_empty_key ... ok
[INFO] [stdout] test db::tests::test_empty_value ... ok
[INFO] [stdout] test db::tests::test_fs_non_writable ... ok
[INFO] [stdout] test db::tests::test_fs_sync_error ... ok
[INFO] [stdout] test db::tests::test_deletion_marker1 ... ok
[INFO] [stdout] test db::tests::test_deletion_marker2 ... ok
[INFO] [stdout] test db::tests::test_approximiate_sizes_min_of_small_and_large ... ok
[INFO] [stdout] test db::tests::test_db_reads_using_bloom_filter ... ok
[INFO] [stdout] test db::tests::test_get_from_versions ... ok
[INFO] [stdout] test db::tests::test_compaction_generate_multiple_files ... ok
[INFO] [stdout] test db::tests::test_get_from_immutable_layer ... ok
[INFO] [stdout] test db::tests::test_file_deleted_after_compaction ... ok
[INFO] [stdout] test db::tests::test_iter_empty_db ... ok
[INFO] [stdout] test db::tests::test_iter_multi ... ok
[INFO] [stdout] test db::tests::test_iter_multi_with_delete ... ok
[INFO] [stdout] test db::tests::test_iter_pins_ref ... ok
[INFO] [stdout] test db::tests::test_iter_single ... ok
[INFO] [stdout] test db::tests::test_iter_small_and_large_mix ... ok
[INFO] [stdout] test db::tests::test_get_level0_ordering ... ok
[INFO] [stdout] test db::tests::test_l0_compaction_when_reopen ... ok
[INFO] [stdout] test db::tests::test_manifest_write_error ... ok
[INFO] [stdout] test db::tests::test_get_ordered_by_levels ... ok
[INFO] [stdout] test db::tests::test_get_with_identical_snapshots ... ok
[INFO] [stdout] test db::tests::test_minor_compactions_happend ... ok
[INFO] [stdout] test db::tests::test_iterate_over_empty_snapshot ... ok
[INFO] [stdout] test db::tests::test_mem_compact_into_max_level ... ok
[INFO] [stdout] test db::tests::test_no_storage_space ... ok
[INFO] [stdout] test db::tests::test_get_encounters_empty_level ... ok
[INFO] [stdout] test db::tests::test_missing_sstfile ... ok
[INFO] [stdout] test db::tests::test_put_delete_get ... ok
[INFO] [stdout] test db::tests::test_read_write ... ok
[INFO] [stdout] test db::tests::test_get_with_snapshot ... ok
[INFO] [stdout] test db::tests::test_recover_with_entries ... ok
[INFO] [stdout] test db::tests::test_recover_with_large_log ... ok
[INFO] [stdout] test db::tests::test_reopen_with_empty_db ... ok
[INFO] [stdout] test db::tests::test_recover_during_memtable_compaction ... ok
[INFO] [stdout] test db::tests::test_snapshot ... ok
[INFO] [stdout] test db::tests::test_sparse_merge ... ignored
[INFO] [stdout] test filter::bloom::tests::test_bloom_filter_empty ... ok
[INFO] [stdout] test filter::bloom::tests::test_bloom_filter_small ... ok
[INFO] [stdout] test filter::bloom::tests::test_bloom_filter_varying_lengths ... ok
[INFO] [stdout] test iterator::tests::test_concatenated_iterator ... ok
[INFO] [stdout] test iterator::tests::test_merging_iterator ... ok
[INFO] [stdout] test logger::tests::test_default_logger ... ok
[INFO] [stdout] test mem::arena::tests::test_allocate_empty_should_panic - should panic ... ok
[INFO] [stdout] test mem::arena::tests::test_allocate_fallback ... ok
[INFO] [stdout] test db::tests::test_repeated_write_to_same_key ... ok
[INFO] [stdout] test mem::arena::tests::test_allocate_new_block ... ok
[INFO] [stdout] test mem::arena::tests::test_new_arena ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_basic ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_concurrent_basic_big_value ... ok
[INFO] [stdout] test mem::arena::tests::test_allocate_mixed ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_empty ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_find_near ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_mem_alloc ... ok
[INFO] [stdout] test mem::inlineskiplist::tests::test_concurrent_basic_small_value ... ok
[INFO] [stdout] test mem::skiplist::tests::test_concurrent_without_threads ... ok
[INFO] [stdout] test mem::skiplist::tests::test_duplicate_insert_should_panic - should panic ... ok
[INFO] [stdout] test mem::skiplist::tests::test_empty_skiplist_iterator ... ok
[INFO] [stdout] test mem::skiplist::tests::test_find_greater_or_equal ... ok
[INFO] [stdout] test mem::skiplist::tests::test_find_last ... ok
[INFO] [stdout] test mem::skiplist::tests::test_find_less_than ... ok
[INFO] [stdout] test mem::skiplist::tests::test_insert ... ok
[INFO] [stdout] test mem::skiplist::tests::test_key_is_less_than_or_equal ... ok
[INFO] [stdout] test mem::skiplist::tests::test_rand_height ... ok
[INFO] [stdout] test mem::skiplist::tests::test_skiplist_basic ... ok
[INFO] [stdout] test mem::tests::test_memtable_add_get ... ok
[INFO] [stdout] test mem::tests::test_memtable_iter ... ok
[INFO] [stdout] test record::tests::test_aligned_eof ... ok
[INFO] [stdout] test record::tests::test_bad_length_at_end_is_ignored ... ok
[INFO] [stdout] test record::tests::test_bad_record_length ... ok
[INFO] [stdout] test record::tests::test_bad_record_type - should panic ... ok
[INFO] [stdout] test record::tests::test_check_read_end ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_first_block_trailer ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_last_block ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_middle_block ... ok
[INFO] [stdout] test db::tests::test_manual_compaction ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_start ... ok
[INFO] [stdout] test record::tests::test_check_read_fourth_one_off ... ok
[INFO] [stdout] test record::tests::test_check_read_initial_offset_into_block_padding ... ok
[INFO] [stdout] test record::tests::test_check_read_past_end ... ok
[INFO] [stdout] test record::tests::test_check_read_second_one_off ... ok
[INFO] [stdout] test record::tests::test_check_read_second_start ... ok
[INFO] [stdout] test record::tests::test_check_read_second_ten_thousand ... ok
[INFO] [stdout] test record::tests::test_check_read_start ... ok
[INFO] [stdout] test record::tests::test_check_read_third_one_off ... ok
[INFO] [stdout] test record::tests::test_checksum_mismatch ... ok
[INFO] [stdout] test record::tests::test_check_read_third_start ... ok
[INFO] [stdout] test record::tests::test_error_joins_records ... ok
[INFO] [stdout] test record::tests::test_fragmentation_records ... ok
[INFO] [stdout] test record::tests::test_marginal_trailer ... ok
[INFO] [stdout] test record::tests::test_marginal_trailer2 ... ok
[INFO] [stdout] test record::tests::test_missing_last_is_ignored ... ok
[INFO] [stdout] test record::tests::test_open_for_append ... ok
[INFO] [stdout] test record::tests::test_partial_last_is_ignored ... ok
[INFO] [stdout] test record::tests::test_random_read ... ok
[INFO] [stdout] test record::tests::test_read_eof ... ok
[INFO] [stdout] test record::tests::test_read_error ... ok
[INFO] [stdout] test record::tests::test_read_write ... ok
[INFO] [stdout] test record::tests::test_short_trailer ... ok
[INFO] [stdout] test record::tests::test_skip_into_multi_record ... ok
[INFO] [stdout] test record::tests::test_truncated_trailing_record_is_ignored ... ok
[INFO] [stdout] test record::tests::test_unexpected_first_type ... ok
[INFO] [stdout] test record::tests::test_unexpected_full_type ... ok
[INFO] [stdout] test record::tests::test_unexpected_last_type ... ok
[INFO] [stdout] test record::tests::test_unexpected_middle_type ... ok
[INFO] [stdout] test snapshot::tests::test_append_new_snapshot ... ok
[INFO] [stdout] test snapshot::tests::test_gc ... ok
[INFO] [stdout] test snapshot::tests::test_new_is_empty ... ok
[INFO] [stdout] test snapshot::tests::test_oldest ... ok
[INFO] [stdout] test snapshot::tests::test_release ... ok
[INFO] [stdout] test sstable::block::tests::test_add_inconsistent_key - should panic ... ok
[INFO] [stdout] test sstable::block::tests::test_block_iter ... ok
[INFO] [stdout] test sstable::block::tests::test_corrupted_block ... ok
[INFO] [stdout] test sstable::block::tests::test_iter_big_entry_block ... ok
[INFO] [stdout] test sstable::block::tests::test_new_block_from_bytes ... ok
[INFO] [stdout] test sstable::block::tests::test_new_empty_block ... ok
[INFO] [stdout] test sstable::block::tests::test_read_write ... ok
[INFO] [stdout] test sstable::block::tests::test_simple_empty_key ... ok
[INFO] [stdout] test sstable::block::tests::test_write_entries ... ok
[INFO] [stdout] test sstable::block::tests::test_write_restarts ... ok
[INFO] [stdout] test sstable::filter_block::tests::test_empty_builder ... ok
[INFO] [stdout] test sstable::filter_block::tests::test_multiple_chunk ... ok
[INFO] [stdout] test sstable::filter_block::tests::test_single_chunk ... ok
[INFO] [stdout] test sstable::table::tests::test_block_write_and_read ... ok
[INFO] [stdout] test sstable::table::tests::test_build_empty_table_with_meta_block ... ok
[INFO] [stdout] test sstable::table::tests::test_build_empty_table_without_meta_block ... ok
[INFO] [stdout] test sstable::table::tests::test_table_add_consistency - should panic ... ok
[INFO] [stdout] test sstable::table::tests::test_table_write_and_read ... ok
[INFO] [stdout] test sstable::test_footer::test_encode_decode ... ok
[INFO] [stdout] test sstable::test_footer::test_footer_corruption ... ok
[INFO] [stdout] test sstable::tests::test_empty_harness ... ok
[INFO] [stdout] test record::tests::test_many_blocks ... ok
[INFO] [stdout] test sstable::tests::test_mutiple_key ... ok
[INFO] [stdout] test sstable::tests::test_simple_empty_key ... ok
[INFO] [stdout] test sstable::tests::test_single_key ... ok
[INFO] [stdout] test sstable::tests::test_special_key ... ok
[INFO] [stdout] test storage::file::tests::test_read_exact_at ... FAILED
[INFO] [stdout] test storage::mem::tests::test_mem_file_lock_unlock ... ok
[INFO] [stdout] test storage::mem::tests::test_mem_file_read_at ... ok
[INFO] [stdout] test storage::mem::tests::test_mem_file_read_write ... ok
[INFO] [stdout] test storage::mem::tests::test_path_clean ... ok
[INFO] [stdout] test storage::mem::tests::test_reopen_file_and_read ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_basic ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_create ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_exists ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_list ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_mkdir_all ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_open ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_remove ... ok
[INFO] [stdout] test storage::mem::tests::test_storage_remove_dir ... ok
[INFO] [stdout] test util::coding::tests::test_decode_fixed_32 ... ok
[INFO] [stdout] test util::coding::tests::test_decode_fixed_64 ... ok
[INFO] [stdout] test util::coding::tests::test_encode_fixed_32 ... ok
[INFO] [stdout] test util::coding::tests::test_encode_fixed_64 ... ok
[INFO] [stdout] test db::tests::test_pick_correct_file ... ok
[INFO] [stdout] test util::coding::tests::test_put_fixed64 ... ok
[INFO] [stdout] test util::comparator::tests::test_bytewise_comparator_separator ... ok
[INFO] [stdout] test util::comparator::tests::test_bytewise_comparator_successor ... ok
[INFO] [stdout] test util::crc32::tests::test_extend ... ok
[INFO] [stdout] test util::crc32::tests::test_mask_unmask ... ok
[INFO] [stdout] test util::crc32::tests::test_standard_crc32_results ... ok
[INFO] [stdout] test util::crc32::tests::test_values ... ok
[INFO] [stdout] test util::hash::tests::test_signed_unsigned_issue ... ok
[INFO] [stdout] test util::varint::tests::test_put_and_get_prefixed_slice ... ok
[INFO] [stdout] test util::varint::tests::test_put_and_get_varint ... ok
[INFO] [stdout] test util::varint::tests::test_read_u64 ... ok
[INFO] [stdout] test util::varint::tests::test_write_u64 ... ok
[INFO] [stdout] test version::find_file_tests::test_empty_file_set ... ok
[INFO] [stdout] test version::find_file_tests::test_find_file_with_single_file ... ok
[INFO] [stdout] test version::find_file_tests::test_find_files_with_various_files ... ok
[INFO] [stdout] test version::find_file_tests::test_multiple_null_boundaries ... ok
[INFO] [stdout] test version::find_file_tests::test_overlap_sequence_check ... ok
[INFO] [stdout] test version::find_file_tests::test_overlapping_files ... ok
[INFO] [stdout] test version::version_edit::tests::test_encode_decode ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_comparator_name ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_last_sequence ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_log_number ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_next_file ... ok
[INFO] [stdout] test version::version_edit::tests::test_set_prev_log_number ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_disjoint_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_empty_compaction_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_empty_file_sets ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_empty_level_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_no_boundary_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_one_boundary_file ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_two_boundary_files ... ok
[INFO] [stdout] test version::version_set::add_boundary_tests::test_version_builder_accumulate_and_apply ... ok
[INFO] [stdout] test util::coding::tests::test_put_fixed32 ... ok
[INFO] [stdout] test sstable::tests::test_randomized_key ... ok
[INFO] [stdout] test db::tests::test_overlap_in_level0 ... ok
[INFO] [stdout] test db::tests::test_approximate_size ... ok
[INFO] [stdout] test mem::skiplist::tests::test_concurrency_read_write ... ok
[INFO] [stdout] test db::tests::test_hidden_values_are_removed ... ok
[INFO] [stdout] test db::tests::test_multi_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- storage::file::tests::test_read_exact_at stdout ----
[INFO] [stdout] thread 'storage::file::tests::test_read_exact_at' panicked at src/storage/file.rs:163:45:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5635b3b2d426 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5635b3b2d426 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5635b3b2d426 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5635b3b2d426 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5635b3b56cf0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5635b3b56cf0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5635b3b2a74f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5635b3b2d204 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5635b3b2d204 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5635b3b2ef77 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x5635b3b2ec5d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5635b3a06467 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5635b3a06467 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5635b3b2f596 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5635b3b2f596 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x5635b3b2f2e2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x5635b3b2d926 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5635b3b2f034 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x5635b36aad45 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5635b36ab2e3 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x5635b3881a24 - core::result::Result<T,E>::unwrap::h1f4d41805f883199
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x5635b3881a24 - wickdb::storage::file::tests::test_read_exact_at::hd0d93a422e388c42
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/file.rs:163:21
[INFO] [stdout]   22:     0x5635b3881997 - wickdb::storage::file::tests::test_read_exact_at::{{closure}}::hce7542daace93a7a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/file.rs:162:28
[INFO] [stdout]   23:     0x5635b390b8e6 - core::ops::function::FnOnce::call_once::ha3a4733dc994c2bd
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5635b3a0c05f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5635b3a0c05f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x5635b3a0ae81 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x5635b3a0ae81 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5635b3a0ae81 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x5635b3a0ae81 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x5635b3a0ae81 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5635b3a0ae81 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x5635b3a0ae81 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x5635b39d22e6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x5635b39d22e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5635b39d72a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5635b39d72a7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5635b39d72a7 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x5635b39d72a7 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x5635b39d72a7 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5635b39d72a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5635b39d72a7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5635b3b33a75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x5635b3b33a75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x5635b3b33a75 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f7cfcc49ac3 - <unknown>
[INFO] [stdout]   46:     0x7f7cfccdabf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     storage::file::tests::test_read_exact_at
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 220 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 56.28s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "52291b6b546090855aa2a3023aaa0e79ea279efa48303b236e7edcf2c8fd9fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52291b6b546090855aa2a3023aaa0e79ea279efa48303b236e7edcf2c8fd9fa5", kill_on_drop: false }`
[INFO] [stdout] 52291b6b546090855aa2a3023aaa0e79ea279efa48303b236e7edcf2c8fd9fa5
