[INFO] cloning repository https://github.com/anish-sinha1/symmetric-concurrent-v3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anish-sinha1/symmetric-concurrent-v3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanish-sinha1%2Fsymmetric-concurrent-v3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanish-sinha1%2Fsymmetric-concurrent-v3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a345bc6ed960730c43e274c01dde098665fea645
[INFO] checking anish-sinha1/symmetric-concurrent-v3/a345bc6ed960730c43e274c01dde098665fea645 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanish-sinha1%2Fsymmetric-concurrent-v3" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anish-sinha1/symmetric-concurrent-v3 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anish-sinha1/symmetric-concurrent-v3
[INFO] finished tweaking git repo https://github.com/anish-sinha1/symmetric-concurrent-v3
[INFO] tweaked toml for git repo https://github.com/anish-sinha1/symmetric-concurrent-v3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/anish-sinha1/symmetric-concurrent-v3 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.11.7
[INFO] [stderr]   Downloaded serde_with v2.0.1
[INFO] [stderr]   Downloaded serde_with_macros v2.0.1
[INFO] [stderr]   Downloaded positioned-io v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e49bd9997f3117073062de10bde193e5dd55da967b40b63163e18f61b83fcda
[INFO] running `Command { std: "docker" "start" "-a" "0e49bd9997f3117073062de10bde193e5dd55da967b40b63163e18f61b83fcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e49bd9997f3117073062de10bde193e5dd55da967b40b63163e18f61b83fcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e49bd9997f3117073062de10bde193e5dd55da967b40b63163e18f61b83fcda", kill_on_drop: false }`
[INFO] [stdout] 0e49bd9997f3117073062de10bde193e5dd55da967b40b63163e18f61b83fcda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6970ae9adfa8c5ab84b9084fcd98b6ccb7c3e8355c9f2f207ff59299f94eaac0
[INFO] running `Command { std: "docker" "start" "-a" "6970ae9adfa8c5ab84b9084fcd98b6ccb7c3e8355c9f2f207ff59299f94eaac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking iana-time-zone v0.1.48
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking positioned-io v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]    Compiling darling_core v0.14.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.14.1
[INFO] [stderr]    Compiling darling v0.14.1
[INFO] [stderr]    Compiling serde_with_macros v2.0.1
[INFO] [stderr]     Checking serde_bytes v0.11.7
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_with v2.0.1
[INFO] [stderr]     Checking symmetric-concurrent-v3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/storage/bufmgr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let page = Page::new(page_id, &page_buf);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/storage/diskmgr.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         drop(self);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&DiskMgrInternal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 38 -         drop(self);
[INFO] [stdout] 38 +         let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/storage/bufmgr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let page = Page::new(page_id, &page_buf);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/storage/diskmgr.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         drop(self);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&diskmgr::DiskMgrInternal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 38 -         drop(self);
[INFO] [stdout] 38 +         let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.82s
[INFO] running `Command { std: "docker" "inspect" "6970ae9adfa8c5ab84b9084fcd98b6ccb7c3e8355c9f2f207ff59299f94eaac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6970ae9adfa8c5ab84b9084fcd98b6ccb7c3e8355c9f2f207ff59299f94eaac0", kill_on_drop: false }`
[INFO] [stdout] 6970ae9adfa8c5ab84b9084fcd98b6ccb7c3e8355c9f2f207ff59299f94eaac0