[INFO] cloning repository https://github.com/Beardiegames/multi_threaded_pool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Beardiegames/multi_threaded_pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeardiegames%2Fmulti_threaded_pool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeardiegames%2Fmulti_threaded_pool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b824f59af668d373ed29b7c22be8b78f91134a2
[INFO] testing Beardiegames/multi_threaded_pool against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeardiegames%2Fmulti_threaded_pool" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Beardiegames/multi_threaded_pool
[INFO] finished tweaking git repo https://github.com/Beardiegames/multi_threaded_pool
[INFO] tweaked toml for git repo https://github.com/Beardiegames/multi_threaded_pool written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Beardiegames/multi_threaded_pool on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Beardiegames/multi_threaded_pool 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10fb1e96e68f2f95b040e138230d03e9b423e434369448a997058b6076fa5bf2
[INFO] running `Command { std: "docker" "start" "-a" "10fb1e96e68f2f95b040e138230d03e9b423e434369448a997058b6076fa5bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10fb1e96e68f2f95b040e138230d03e9b423e434369448a997058b6076fa5bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fb1e96e68f2f95b040e138230d03e9b423e434369448a997058b6076fa5bf2", kill_on_drop: false }`
[INFO] [stdout] 10fb1e96e68f2f95b040e138230d03e9b423e434369448a997058b6076fa5bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8dc4b2286e6ff3e737836f7d21f48d57239c2da571b7917454e1397ca6618ac
[INFO] running `Command { std: "docker" "start" "-a" "c8dc4b2286e6ff3e737836f7d21f48d57239c2da571b7917454e1397ca6618ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_threaded_pool v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DataCell`, `DataManager`, and `ObjectPool`
[INFO] [stdout]   --> src/tests.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/tests.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[warn(unused_imports)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PoolObject` is never constructed
[INFO] [stdout]   --> src/tests.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct PoolObject(bool);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/shared.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[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] 24 -         drop(handle);
[INFO] [stdout] 24 +         let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -             drop(handle);
[INFO] [stdout] 33 +             let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 41 -         drop(handle);
[INFO] [stdout] 41 +         let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 50 -             drop(handle);
[INFO] [stdout] 50 +             let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 58 -         drop(handle);
[INFO] [stdout] 58 +         let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 67 -             drop(handle);
[INFO] [stdout] 67 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c8dc4b2286e6ff3e737836f7d21f48d57239c2da571b7917454e1397ca6618ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dc4b2286e6ff3e737836f7d21f48d57239c2da571b7917454e1397ca6618ac", kill_on_drop: false }`
[INFO] [stdout] c8dc4b2286e6ff3e737836f7d21f48d57239c2da571b7917454e1397ca6618ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3cb174a2ab5a133c5a07bbe79a885a71224e353409e1f4a5ae218e01e3ee4df
[INFO] running `Command { std: "docker" "start" "-a" "c3cb174a2ab5a133c5a07bbe79a885a71224e353409e1f4a5ae218e01e3ee4df", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `DataCell`, `DataManager`, and `ObjectPool`
[INFO] [stdout]   --> src/tests.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/tests.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[warn(unused_imports)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PoolObject` is never constructed
[INFO] [stdout]   --> src/tests.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct PoolObject(bool);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/shared.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[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] 24 -         drop(handle);
[INFO] [stdout] 24 +         let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -             drop(handle);
[INFO] [stdout] 33 +             let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 41 -         drop(handle);
[INFO] [stdout] 41 +         let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 50 -             drop(handle);
[INFO] [stdout] 50 +             let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 58 -         drop(handle);
[INFO] [stdout] 58 +         let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 67 -             drop(handle);
[INFO] [stdout] 67 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling multi_threaded_pool v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/tests.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::{Arc, Mutex}, 
[INFO] [stdout]   |            ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/tests.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[warn(unused_imports)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DataCell` and `ObjectPool`
[INFO] [stdout]   --> src/tests.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/tests.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[warn(unused_imports)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut cluster_updates: (usize, usize) = (
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tests.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct PoolObject(bool);
[INFO] [stdout]    |        ---------- ^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `PoolObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/shared.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[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] 24 -         drop(handle);
[INFO] [stdout] 24 +         let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -             drop(handle);
[INFO] [stdout] 33 +             let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 41 -         drop(handle);
[INFO] [stdout] 41 +         let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 50 -             drop(handle);
[INFO] [stdout] 50 +             let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 58 -         drop(handle);
[INFO] [stdout] 58 +         let _ = handle;
[INFO] [stdout]    |
[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/shared.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 67 -             drop(handle);
[INFO] [stdout] 67 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "c3cb174a2ab5a133c5a07bbe79a885a71224e353409e1f4a5ae218e01e3ee4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cb174a2ab5a133c5a07bbe79a885a71224e353409e1f4a5ae218e01e3ee4df", kill_on_drop: false }`
[INFO] [stdout] c3cb174a2ab5a133c5a07bbe79a885a71224e353409e1f4a5ae218e01e3ee4df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffb5477e5f1022310ad012bf9a0611c8d5ae6fe59ea88bf6aefb774b9020ce15
[INFO] running `Command { std: "docker" "start" "-a" "ffb5477e5f1022310ad012bf9a0611c8d5ae6fe59ea88bf6aefb774b9020ce15", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `DataCell`, `DataManager`, and `ObjectPool`
[INFO] [stderr]   --> src/tests.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stderr]    |             ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr]  3 | mod tests;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/tests.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[warn(unused_imports)]
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PoolObject` is never constructed
[INFO] [stderr]   --> src/tests.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct PoolObject(bool);
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         drop(handle);
[INFO] [stderr]    |         ^^^^^------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 24 -         drop(handle);
[INFO] [stderr] 24 +         let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             drop(handle);
[INFO] [stderr]    |             ^^^^^------^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 33 -             drop(handle);
[INFO] [stderr] 33 +             let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         drop(handle);
[INFO] [stderr]    |         ^^^^^------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 41 -         drop(handle);
[INFO] [stderr] 41 +         let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             drop(handle);
[INFO] [stderr]    |             ^^^^^------^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 50 -             drop(handle);
[INFO] [stderr] 50 +             let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         drop(handle);
[INFO] [stderr]    |         ^^^^^------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 58 -         drop(handle);
[INFO] [stderr] 58 +         let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             drop(handle);
[INFO] [stderr]    |             ^^^^^------^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 67 -             drop(handle);
[INFO] [stderr] 67 +             let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `multi_threaded_pool` (lib) generated 8 warnings (run `cargo fix --lib -p multi_threaded_pool` to apply 1 suggestion)
[INFO] [stderr] warning: unused imports: `Arc` and `Mutex`
[INFO] [stderr]  --> src/tests.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     sync::{Arc, Mutex}, 
[INFO] [stderr]   |            ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/tests.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[warn(unused_imports)]
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DataCell` and `ObjectPool`
[INFO] [stderr]   --> src/tests.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stderr]    |             ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/tests.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[warn(unused_imports)]
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let mut cluster_updates: (usize, usize) = (
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/tests.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct PoolObject(bool);
[INFO] [stderr]    |        ---------- ^^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `PoolObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `multi_threaded_pool` (lib test) generated 10 warnings (6 duplicates) (run `cargo fix --lib -p multi_threaded_pool --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/multi_threaded_pool-028bced8bf49f633)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::clusters_can_destroy_objects ... ok
[INFO] [stdout] test tests::clusters_can_iter_over_objects ... ok
[INFO] [stdout] test tests::clusters_can_spawn_objects ... ok
[INFO] [stdout] test tests::clusters_have_factories_for_spawning_specific_types ... ok
[INFO] [stdout] test tests::run_thread_handlers_are_called ... ok
[INFO] [stdout] test tests::start_stop_threads ... ok
[INFO] [stdout] test tests::local_data_can_be_accessed_on_all_threads ... ok
[INFO] [stdout] test tests::a_thread_tracks_opperation_update_time ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::a_thread_tracks_opperation_update_time stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::a_thread_tracks_opperation_update_time' (18) panicked at src/tests.rs:151:21:
[INFO] [stdout] attempt to divide by zero
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c3e2bbe70ca - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c3e2bbe70ca - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c3e2bbe70ca - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c3e2bbe70ca - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c3e2bbfbc6a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c3e2bbfbc6a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x5c3e2bbeb902 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5c3e2bbeb902 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5c3e2bbc5faf - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c3e2bbc5faf - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c3e2bbdf4b9 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c3e2bb7bc6c - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5c3e2bb7bc6c - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5c3e2bbdf672 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5c3e2bbdf672 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c3e2bbc609a - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5c3e2bbbda09 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c3e2bbc6d7d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c3e2bbfc39c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c3e2bbfd1b9 - core[35159d6ffb30e017]::panicking::panic_const::panic_const_div_by_zero
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:175:17
[INFO] [stdout]   20:     0x5c3e2bb5e87b - multi_threaded_pool[1004da3bd9fbd4b6]::tests::a_thread_tracks_opperation_update_time
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:151:21
[INFO] [stdout]   21:     0x5c3e2bb59a87 - multi_threaded_pool[1004da3bd9fbd4b6]::tests::a_thread_tracks_opperation_update_time::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:117:44
[INFO] [stdout]   22:     0x5c3e2bb6e966 - <multi_threaded_pool[1004da3bd9fbd4b6]::tests::a_thread_tracks_opperation_update_time::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5c3e2bb6ef4b - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c3e2bb6ef4b - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   25:     0x5c3e2bb7c73b - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   26:     0x5c3e2bb7c73b - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5c3e2bb7c73b - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5c3e2bb7c73b - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5c3e2bb7c73b - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5c3e2bb7c73b - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   31:     0x5c3e2bb7c73b - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   32:     0x5c3e2bb77114 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   33:     0x5c3e2bb77114 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5c3e2bb7f342 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x5c3e2bb7f342 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x5c3e2bb7f342 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5c3e2bb7f342 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5c3e2bb7f342 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c3e2bb7f342 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x5c3e2bb7f342 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5c3e2bbe69df - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   42:     0x5c3e2bbe69df - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x77e8e2d01aa4 - <unknown>
[INFO] [stdout]   44:     0x77e8e2d8ea64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::a_thread_tracks_opperation_update_time
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "ffb5477e5f1022310ad012bf9a0611c8d5ae6fe59ea88bf6aefb774b9020ce15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb5477e5f1022310ad012bf9a0611c8d5ae6fe59ea88bf6aefb774b9020ce15", kill_on_drop: false }`
[INFO] [stdout] ffb5477e5f1022310ad012bf9a0611c8d5ae6fe59ea88bf6aefb774b9020ce15
