[INFO] fetching crate lfbs 0.1.0...
[INFO] testing lfbs-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate lfbs 0.1.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate lfbs 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lfbs 0.1.0
[INFO] finished tweaking crates.io crate lfbs 0.1.0
[INFO] tweaked toml for crates.io crate lfbs 0.1.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91b8f25d9302310da7a6282ac39f747dcbaed781eb5cb09d1353bfed2828b2d4
[INFO] running `Command { std: "docker" "start" "-a" "91b8f25d9302310da7a6282ac39f747dcbaed781eb5cb09d1353bfed2828b2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91b8f25d9302310da7a6282ac39f747dcbaed781eb5cb09d1353bfed2828b2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b8f25d9302310da7a6282ac39f747dcbaed781eb5cb09d1353bfed2828b2d4", kill_on_drop: false }`
[INFO] [stdout] 91b8f25d9302310da7a6282ac39f747dcbaed781eb5cb09d1353bfed2828b2d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537103f10e61b8232beb63755820fe1a796755afe80ddef5932f723400c0aedf
[INFO] running `Command { std: "docker" "start" "-a" "537103f10e61b8232beb63755820fe1a796755afe80ddef5932f723400c0aedf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lfbs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "537103f10e61b8232beb63755820fe1a796755afe80ddef5932f723400c0aedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537103f10e61b8232beb63755820fe1a796755afe80ddef5932f723400c0aedf", kill_on_drop: false }`
[INFO] [stdout] 537103f10e61b8232beb63755820fe1a796755afe80ddef5932f723400c0aedf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22fc337933328d40a605eb1af54ad5ce4f69e18101b17b60615c41241806ae7e
[INFO] running `Command { std: "docker" "start" "-a" "22fc337933328d40a605eb1af54ad5ce4f69e18101b17b60615c41241806ae7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lfbs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]    --> src/lib.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         val: T,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.43s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lfbs-082f376700bedc14)
[INFO] running `Command { std: "docker" "inspect" "22fc337933328d40a605eb1af54ad5ce4f69e18101b17b60615c41241806ae7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fc337933328d40a605eb1af54ad5ce4f69e18101b17b60615c41241806ae7e", kill_on_drop: false }`
[INFO] [stdout] 22fc337933328d40a605eb1af54ad5ce4f69e18101b17b60615c41241806ae7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c717fc8d66ee36a60adae0bf376d3459d3b5f27886483822bbdac877eb9ba12
[INFO] running `Command { std: "docker" "start" "-a" "7c717fc8d66ee36a60adae0bf376d3459d3b5f27886483822bbdac877eb9ba12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stderr]    --> src/lib.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         val: T,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lfbs` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lfbs-082f376700bedc14)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::drop_count ... ok
[INFO] [stdout] test test::multithread_push has been running for over 60 seconds
[INFO] [stdout] test test::multithread_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 100.98s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lfbs
[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" "7c717fc8d66ee36a60adae0bf376d3459d3b5f27886483822bbdac877eb9ba12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c717fc8d66ee36a60adae0bf376d3459d3b5f27886483822bbdac877eb9ba12", kill_on_drop: false }`
[INFO] [stdout] 7c717fc8d66ee36a60adae0bf376d3459d3b5f27886483822bbdac877eb9ba12