[INFO] fetching crate log-writer 0.6.1...
[INFO] testing log-writer-0.6.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate log-writer 0.6.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate log-writer 0.6.1 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 log-writer 0.6.1
[INFO] finished tweaking crates.io crate log-writer 0.6.1
[INFO] tweaked toml for crates.io crate log-writer 0.6.1 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "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] cee535b8162c0d8109d994c5305c69533668cf011c8383993c8966ec0b8fad72
[INFO] running `Command { std: "docker" "start" "-a" "cee535b8162c0d8109d994c5305c69533668cf011c8383993c8966ec0b8fad72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cee535b8162c0d8109d994c5305c69533668cf011c8383993c8966ec0b8fad72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee535b8162c0d8109d994c5305c69533668cf011c8383993c8966ec0b8fad72", kill_on_drop: false }`
[INFO] [stdout] cee535b8162c0d8109d994c5305c69533668cf011c8383993c8966ec0b8fad72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "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] 1f87c507088319a8274643a57cfbf87ec91d0f9e205d42b3cb294cc6556f9d5a
[INFO] running `Command { std: "docker" "start" "-a" "1f87c507088319a8274643a57cfbf87ec91d0f9e205d42b3cb294cc6556f9d5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log-writer v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "1f87c507088319a8274643a57cfbf87ec91d0f9e205d42b3cb294cc6556f9d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f87c507088319a8274643a57cfbf87ec91d0f9e205d42b3cb294cc6556f9d5a", kill_on_drop: false }`
[INFO] [stdout] 1f87c507088319a8274643a57cfbf87ec91d0f9e205d42b3cb294cc6556f9d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77e90245a2bfa364fb6b421449caf270953a8cd8db9a064a6acd9ba534e4335e
[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" "77e90245a2bfa364fb6b421449caf270953a8cd8db9a064a6acd9ba534e4335e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log-writer v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/log_writer-0964cf9de1950033)
[INFO] running `Command { std: "docker" "inspect" "77e90245a2bfa364fb6b421449caf270953a8cd8db9a064a6acd9ba534e4335e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e90245a2bfa364fb6b421449caf270953a8cd8db9a064a6acd9ba534e4335e", kill_on_drop: false }`
[INFO] [stdout] 77e90245a2bfa364fb6b421449caf270953a8cd8db9a064a6acd9ba534e4335e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27bd7e22e3a2a532de9ca538c952a1e46c3d0ee71359d403874fd59efcf924aa
[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" "27bd7e22e3a2a532de9ca538c952a1e46c3d0ee71359d403874fd59efcf924aa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/log_writer-0964cf9de1950033)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests log-writer
[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" "27bd7e22e3a2a532de9ca538c952a1e46c3d0ee71359d403874fd59efcf924aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27bd7e22e3a2a532de9ca538c952a1e46c3d0ee71359d403874fd59efcf924aa", kill_on_drop: false }`
[INFO] [stdout] 27bd7e22e3a2a532de9ca538c952a1e46c3d0ee71359d403874fd59efcf924aa