[INFO] fetching crate lfbs 0.1.0...
[INFO] testing lfbs-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lfbs 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lfbs 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 4c5292e6d45dd707edcf4faaced3fb2b018e4f5c0cab6b863ddf3829bd823c4f
[INFO] running `Command { std: "docker" "start" "-a" "4c5292e6d45dd707edcf4faaced3fb2b018e4f5c0cab6b863ddf3829bd823c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5292e6d45dd707edcf4faaced3fb2b018e4f5c0cab6b863ddf3829bd823c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5292e6d45dd707edcf4faaced3fb2b018e4f5c0cab6b863ddf3829bd823c4f", kill_on_drop: false }`
[INFO] [stdout] 4c5292e6d45dd707edcf4faaced3fb2b018e4f5c0cab6b863ddf3829bd823c4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] f370b9429b599b078f5f31ed48ca8c250f6e7f7acd70ceea9d003d9bf410f342
[INFO] running `Command { std: "docker" "start" "-a" "f370b9429b599b078f5f31ed48ca8c250f6e7f7acd70ceea9d003d9bf410f342", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfbs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "f370b9429b599b078f5f31ed48ca8c250f6e7f7acd70ceea9d003d9bf410f342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f370b9429b599b078f5f31ed48ca8c250f6e7f7acd70ceea9d003d9bf410f342", kill_on_drop: false }`
[INFO] [stdout] f370b9429b599b078f5f31ed48ca8c250f6e7f7acd70ceea9d003d9bf410f342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e48bcf747f5de4cfdc614e52bd93014490819d896c53c308d49da3d7b50a6aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e48bcf747f5de4cfdc614e52bd93014490819d896c53c308d49da3d7b50a6aa", kill_on_drop: false }`
[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 1.19s
[INFO] running `Command { std: "docker" "inspect" "2e48bcf747f5de4cfdc614e52bd93014490819d896c53c308d49da3d7b50a6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e48bcf747f5de4cfdc614e52bd93014490819d896c53c308d49da3d7b50a6aa", kill_on_drop: false }`
[INFO] [stdout] 2e48bcf747f5de4cfdc614e52bd93014490819d896c53c308d49da3d7b50a6aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 172f7cd4aad4fb15ee89aa91de966eba30866769d098d44812f4b1e6f636c24d
[INFO] running `Command { std: "docker" "start" "-a" "172f7cd4aad4fb15ee89aa91de966eba30866769d098d44812f4b1e6f636c24d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stdout] running 2 tests
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lfbs-4df579de4b615bd4)
[INFO] [stdout] test test::drop_count ... ok
[INFO] [stderr]    Doc-tests lfbs
[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 4.48s
[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" "172f7cd4aad4fb15ee89aa91de966eba30866769d098d44812f4b1e6f636c24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172f7cd4aad4fb15ee89aa91de966eba30866769d098d44812f4b1e6f636c24d", kill_on_drop: false }`
[INFO] [stdout] 172f7cd4aad4fb15ee89aa91de966eba30866769d098d44812f4b1e6f636c24d