[INFO] fetching crate mdb 0.0.1...
[INFO] testing mdb-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mdb 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mdb 0.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdb 0.0.1
[INFO] finished tweaking crates.io crate mdb 0.0.1
[INFO] tweaked toml for crates.io crate mdb 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mdb 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.29
[INFO] [stderr]   Downloaded ptr_meta v0.1.4
[INFO] [stderr]   Downloaded seahash v4.1.0
[INFO] [stderr]   Downloaded ptr_meta_derive v0.1.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.77
[INFO] [stderr]   Downloaded js-sys v0.3.54
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.77
[INFO] [stderr]   Downloaded thiserror v1.0.29
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded ahash v0.7.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.77
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.77
[INFO] [stderr]   Downloaded web-sys v0.3.54
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.5
[INFO] [stderr]   Downloaded rkyv_derive v0.7.17
[INFO] [stderr]   Downloaded rkyv v0.7.17
[INFO] [stderr]   Downloaded bytecheck v0.6.5
[INFO] [stderr]   Downloaded rend v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4251e52538ed8e33ca59b70f456780e71d5b6b9cbcfbfdeaf79a453a4f55b39d
[INFO] running `Command { std: "docker" "start" "-a" "4251e52538ed8e33ca59b70f456780e71d5b6b9cbcfbfdeaf79a453a4f55b39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4251e52538ed8e33ca59b70f456780e71d5b6b9cbcfbfdeaf79a453a4f55b39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4251e52538ed8e33ca59b70f456780e71d5b6b9cbcfbfdeaf79a453a4f55b39d", kill_on_drop: false }`
[INFO] [stdout] 4251e52538ed8e33ca59b70f456780e71d5b6b9cbcfbfdeaf79a453a4f55b39d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88bbbc02debe7aa8191475c499e3caef2e1e0f1f5f98ece73754313852ff664f
[INFO] running `Command { std: "docker" "start" "-a" "88bbbc02debe7aa8191475c499e3caef2e1e0f1f5f98ece73754313852ff664f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bytecheck v0.6.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling rend v0.3.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rkyv v0.7.17
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tinyvec v1.4.0
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.5
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling rkyv_derive v0.7.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling ptr_meta v0.1.4
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling mdb v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Archive`
[INFO] [stdout]  --> src/db.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rkyv::{ser::serializers::AllocSerializer, Archive, Deserialize, Infallible, Serialize};
[INFO] [stdout]   |                                               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]    --> src/db.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub async fn read_last(depth: u64) {}
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path_builder`
[INFO] [stdout]   --> src/epoch.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     path_builder: PathBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]   --> src/db.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     source: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_epoch`
[INFO] [stdout]    --> src/db.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     curr_epoch: Option<Epoch<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/epoch.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type FrameIndex<T: Tick> = Trie<u64, T>;
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 11 - pub type FrameIndex<T: Tick> = Trie<u64, T>;
[INFO] [stdout] 11 + pub type FrameIndex<T> = Trie<u64, T>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "88bbbc02debe7aa8191475c499e3caef2e1e0f1f5f98ece73754313852ff664f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88bbbc02debe7aa8191475c499e3caef2e1e0f1f5f98ece73754313852ff664f", kill_on_drop: false }`
[INFO] [stdout] 88bbbc02debe7aa8191475c499e3caef2e1e0f1f5f98ece73754313852ff664f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53b40af054f2f1aa3a42244369447846acbca9a9e5f6612d3d6a295ac28209d8
[INFO] running `Command { std: "docker" "start" "-a" "53b40af054f2f1aa3a42244369447846acbca9a9e5f6612d3d6a295ac28209d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stdout] warning: unused import: `Archive`
[INFO] [stdout]  --> src/db.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rkyv::{ser::serializers::AllocSerializer, Archive, Deserialize, Infallible, Serialize};
[INFO] [stdout]   |                                               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]    --> src/db.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub async fn read_last(depth: u64) {}
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path_builder`
[INFO] [stdout]   --> src/epoch.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     path_builder: PathBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]   --> src/db.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     source: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_epoch`
[INFO] [stdout]    --> src/db.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     curr_epoch: Option<Epoch<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/epoch.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type FrameIndex<T: Tick> = Trie<u64, T>;
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 11 - pub type FrameIndex<T: Tick> = Trie<u64, T>;
[INFO] [stdout] 11 + pub type FrameIndex<T> = Trie<u64, T>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling mdb v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Archive`
[INFO] [stdout]  --> src/db.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rkyv::{ser::serializers::AllocSerializer, Archive, Deserialize, Infallible, Serialize};
[INFO] [stdout]   |                                               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]    --> src/db.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub async fn read_last(depth: u64) {}
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path_builder`
[INFO] [stdout]   --> src/epoch.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     path_builder: PathBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]   --> src/db.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     source: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_epoch`
[INFO] [stdout]    --> src/db.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     curr_epoch: Option<Epoch<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/epoch.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type FrameIndex<T: Tick> = Trie<u64, T>;
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 11 - pub type FrameIndex<T: Tick> = Trie<u64, T>;
[INFO] [stdout] 11 + pub type FrameIndex<T> = Trie<u64, T>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "53b40af054f2f1aa3a42244369447846acbca9a9e5f6612d3d6a295ac28209d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b40af054f2f1aa3a42244369447846acbca9a9e5f6612d3d6a295ac28209d8", kill_on_drop: false }`
[INFO] [stdout] 53b40af054f2f1aa3a42244369447846acbca9a9e5f6612d3d6a295ac28209d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ebc8ccbb570b44812f6faad43712ab7277b65eaa564fe617994aaeeb147b6e9
[INFO] running `Command { std: "docker" "start" "-a" "1ebc8ccbb570b44812f6faad43712ab7277b65eaa564fe617994aaeeb147b6e9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Archive`
[INFO] [stderr]  --> src/db.rs:7:47
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rkyv::{ser::serializers::AllocSerializer, Archive, Deserialize, Infallible, Serialize};
[INFO] [stderr]   |                                               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]    --> src/db.rs:117:28
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub async fn read_last(depth: u64) {}
[INFO] [stderr]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `path_builder`
[INFO] [stderr]   --> src/epoch.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     path_builder: PathBuilder,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source`
[INFO] [stderr]   --> src/db.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     source: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `curr_epoch`
[INFO] [stderr]    --> src/db.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     curr_epoch: Option<Epoch<T>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/epoch.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type FrameIndex<T: Tick> = Trie<u64, T>;
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 11 - pub type FrameIndex<T: Tick> = Trie<u64, T>;
[INFO] [stderr] 11 + pub type FrameIndex<T> = Trie<u64, T>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `mdb` (lib) generated 6 warnings
[INFO] [stderr] warning: `mdb` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdb-4410b94f2f75024f)
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test index::keys::test::test_autoref_specialization ... ok
[INFO] [stdout] test index::nibble::tests::as_bytes ... ok
[INFO] [stdout] test index::nibble::tests::from ... ok
[INFO] [stdout] test index::nibble::tests::into ... ok
[INFO] [stdout] test index::nibble::tests::into_bytes ... ok
[INFO] [stdout] test index::nibble::tests::get ... ok
[INFO] [stdout] test index::nibble::tests::join_even_length ... ok
[INFO] [stdout] test index::nibble::tests::clone ... ok
[INFO] [stdout] test index::nibble::tests::memory_reuse ... ok
[INFO] [stdout] test index::nibble::tests::join_odd_length ... ok
[INFO] [stdout] test index::nibble::tests::push ... ok
[INFO] [stdout] test index::nibble::tests::split_even_length ... ok
[INFO] [stdout] test index::nibble::tests::split_odd_length ... ok
[INFO] [stdout] test index::test::ancestor_key ... ok
[INFO] [stdout] test index::test::child_subtrie_keys ... ok
[INFO] [stdout] test index::test::get_ancestor_bug ... ok
[INFO] [stdout] test index::test::insert ... ok
[INFO] [stdout] test index::test::get_nonexistant ... ok
[INFO] [stdout] test index::test::get_prefix_bug ... ok
[INFO] [stdout] test index::test::clone ... ok
[INFO] [stdout] test index::test::empty_key ... ok
[INFO] [stdout] test index::test::get_raw_descendant ... ok
[INFO] [stdout] test index::test::nearest_ancestor_root ... ok
[INFO] [stdout] test index::test::int_keys ... ok
[INFO] [stdout] test index::test::insert_replace ... ok
[INFO] [stdout] test index::test::nearest_ancestor ... ok
[INFO] [stdout] test index::test::iter ... ok
[INFO] [stdout] test index::test::map_with_default ... ok
[INFO] [stdout] test index::test::nearest_ancestor_no_child_fn ... ok
[INFO] [stdout] test index::test::raw_ancestor ... ok
[INFO] [stdout] test index::test::raw_ancestor_prefix ... ok
[INFO] [stdout] test index::test::raw_descendant_prefix ... ok
[INFO] [stdout] test index::test::subtrie_insert ... ok
[INFO] [stdout] test index::test::remove ... ok
[INFO] [stdout] test index::test::remove_non_existent ... ok
[INFO] [stdout] test index::test::remove_simple ... ok
[INFO] [stdout] test index::test::root_replace_bug ... ok
[INFO] [stdout] test index::test::subtrie ... ok
[INFO] [stdout] test index::test::subtrie_len ... ok
[INFO] [stdout] test index::test::subtrie_lifetime ... ok
[INFO] [stdout] test index::test::subtrie_mut_lifetime ... ok
[INFO] [stdout] test index::test::subtrie_nonexistant ... ok
[INFO] [stdout] test index::test::test_get_ancestor_value_borrow ... ok
[INFO] [stdout] test index::test::test_get_borrow ... ok
[INFO] [stdout] test index::test::test_get_ancestor_borrow ... ok
[INFO] [stdout] test index::test::from_iter ... ok
[INFO] [stdout] test index::test::subtrie_string ... ok
[INFO] [stdout] test index::test::test_subtrie_borrow ... ok
[INFO] [stdout] test index::test::unicode ... ok
[INFO] [stdout] test index::test::test_get_raw_descendant_borrow ... ok
[INFO] [stdout] test index::test::test_prefix ... ok
[INFO] [stdout] test index::test::test_get_mut_borrow ... ok
[INFO] [stdout] test index::test::test_get_raw_ancestor_borrow ... ok
[INFO] [stdout] test index::test::test_subtrie_mut_borrow ... ok
[INFO] [stdout] test index::test::test_remove_borrow ... ok
[INFO] [stdout] test index::qc_test::subtrie_get ... ok
[INFO] [stdout] test index::qc_test::values_iter ... ok
[INFO] [stdout] test index::qc_test::subtrie ... ok
[INFO] [stdout] test index::qc_test::keys_iter ... ok
[INFO] [stdout] test index::qc_test::insert_all_remove_all ... ok
[INFO] [stdout] test index::qc_test::subtrie_mut_get ... ok
[INFO] [stdout] test index::qc_test::remove_non_existent ... ok
[INFO] [stdout] test index::qc_test::subtrie_insert ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdb-7e082b6eb1c52c05)
[INFO] [stdout] test result: ok. 63 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.75s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ebc8ccbb570b44812f6faad43712ab7277b65eaa564fe617994aaeeb147b6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebc8ccbb570b44812f6faad43712ab7277b65eaa564fe617994aaeeb147b6e9", kill_on_drop: false }`
[INFO] [stdout] 1ebc8ccbb570b44812f6faad43712ab7277b65eaa564fe617994aaeeb147b6e9