[INFO] fetching crate commit_artist 1.0.1...
[INFO] testing commit_artist-1.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate commit_artist 1.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate commit_artist 1.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate commit_artist 1.0.1
[INFO] finished tweaking crates.io crate commit_artist 1.0.1
[INFO] tweaked toml for crates.io crate commit_artist 1.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate commit_artist 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a81bac8d6e189b7f1448a2586fb084eeb4eb3146a62d90e2110f4612fc15ffe1
[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" "a81bac8d6e189b7f1448a2586fb084eeb4eb3146a62d90e2110f4612fc15ffe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a81bac8d6e189b7f1448a2586fb084eeb4eb3146a62d90e2110f4612fc15ffe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81bac8d6e189b7f1448a2586fb084eeb4eb3146a62d90e2110f4612fc15ffe1", kill_on_drop: false }`
[INFO] [stdout] a81bac8d6e189b7f1448a2586fb084eeb4eb3146a62d90e2110f4612fc15ffe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3d404f8b0836ed2c17aaaf7b483f5f626e3407639c4354480cddef1fa7579654
[INFO] running `Command { std: "docker" "start" "-a" "3d404f8b0836ed2c17aaaf7b483f5f626e3407639c4354480cddef1fa7579654", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling seahorse v0.6.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling commit_artist v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.81s
[INFO] running `Command { std: "docker" "inspect" "3d404f8b0836ed2c17aaaf7b483f5f626e3407639c4354480cddef1fa7579654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d404f8b0836ed2c17aaaf7b483f5f626e3407639c4354480cddef1fa7579654", kill_on_drop: false }`
[INFO] [stdout] 3d404f8b0836ed2c17aaaf7b483f5f626e3407639c4354480cddef1fa7579654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 93b521627ba6018e3c1ac8ad313e6c5b499c3e0124623bfaa3238aa65c77fc01
[INFO] running `Command { std: "docker" "start" "-a" "93b521627ba6018e3c1ac8ad313e6c5b499c3e0124623bfaa3238aa65c77fc01", kill_on_drop: false }`
[INFO] [stderr]    Compiling commit_artist v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "93b521627ba6018e3c1ac8ad313e6c5b499c3e0124623bfaa3238aa65c77fc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b521627ba6018e3c1ac8ad313e6c5b499c3e0124623bfaa3238aa65c77fc01", kill_on_drop: false }`
[INFO] [stdout] 93b521627ba6018e3c1ac8ad313e6c5b499c3e0124623bfaa3238aa65c77fc01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] debd709ce43b259e42c284339f54f565e24a03bb023ad86fad23a81d40575b91
[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" "debd709ce43b259e42c284339f54f565e24a03bb023ad86fad23a81d40575b91", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/commit_artist-0fb04bcc9ce05bb6
[INFO] [stdout] running 4 tests
[INFO] [stdout] test settings::tests::settings_constructor ... ok
[INFO] [stdout] test settings::tests::nonnominal_settings3 ... ok
[INFO] [stdout] test settings::tests::nonnominal_settings2 ... ok
[INFO] [stdout] test settings::tests::nonnominal_settings1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "debd709ce43b259e42c284339f54f565e24a03bb023ad86fad23a81d40575b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debd709ce43b259e42c284339f54f565e24a03bb023ad86fad23a81d40575b91", kill_on_drop: false }`
[INFO] [stdout] debd709ce43b259e42c284339f54f565e24a03bb023ad86fad23a81d40575b91