[INFO] fetching crate beefeater 0.1.1...
[INFO] testing beefeater-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate beefeater 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate beefeater 0.1.1 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 beefeater 0.1.1
[INFO] finished tweaking crates.io crate beefeater 0.1.1
[INFO] tweaked toml for crates.io crate beefeater 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate beefeater 0.1.1 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 392bc4c29f7445cfc5929802b060a4f1092eb5cf0894af7a172583cccde2c21b
[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" "392bc4c29f7445cfc5929802b060a4f1092eb5cf0894af7a172583cccde2c21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "392bc4c29f7445cfc5929802b060a4f1092eb5cf0894af7a172583cccde2c21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392bc4c29f7445cfc5929802b060a4f1092eb5cf0894af7a172583cccde2c21b", kill_on_drop: false }`
[INFO] [stdout] 392bc4c29f7445cfc5929802b060a4f1092eb5cf0894af7a172583cccde2c21b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 571d1a2890f2504f4c7af62f965d3c509688e5ae86d18d44a17d504e2cbb23b3
[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" "571d1a2890f2504f4c7af62f965d3c509688e5ae86d18d44a17d504e2cbb23b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling beefeater v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "571d1a2890f2504f4c7af62f965d3c509688e5ae86d18d44a17d504e2cbb23b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571d1a2890f2504f4c7af62f965d3c509688e5ae86d18d44a17d504e2cbb23b3", kill_on_drop: false }`
[INFO] [stdout] 571d1a2890f2504f4c7af62f965d3c509688e5ae86d18d44a17d504e2cbb23b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 91684854e216b244ea917a39707267c4c8a8e9fac08b3f157be1e3110599b8fd
[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" "91684854e216b244ea917a39707267c4c8a8e9fac08b3f157be1e3110599b8fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling beefeater v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "91684854e216b244ea917a39707267c4c8a8e9fac08b3f157be1e3110599b8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91684854e216b244ea917a39707267c4c8a8e9fac08b3f157be1e3110599b8fd", kill_on_drop: false }`
[INFO] [stdout] 91684854e216b244ea917a39707267c4c8a8e9fac08b3f157be1e3110599b8fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 588ce0c6c19342a4450af925364660edf668397f17095ae60c71c25f0f1b5baa
[INFO] running `Command { std: "docker" "start" "-a" "588ce0c6c19342a4450af925364660edf668397f17095ae60c71c25f0f1b5baa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/beefeater-f42928203e7fff32
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ops::tests::it_implements_add_assign ... ok
[INFO] [stdout] test ops::tests::it_implements_fetch_sub ... ok
[INFO] [stdout] test ops::tests::it_implements_fetch_add ... ok
[INFO] [stdout] test tests::it_guards_u64 ... ok
[INFO] [stdout] test ops::tests::it_implements_sub_assign ... ok
[INFO] [stdout] test tests::it_implements_default ... ok
[INFO] [stdout] test tests::it_implements_debug ... ok
[INFO] [stdout] test tests::it_guards_enum ... ok
[INFO] [stderr]    Doc-tests beefeater
[INFO] [stdout] test tests::it_replaces_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "588ce0c6c19342a4450af925364660edf668397f17095ae60c71c25f0f1b5baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588ce0c6c19342a4450af925364660edf668397f17095ae60c71c25f0f1b5baa", kill_on_drop: false }`
[INFO] [stdout] 588ce0c6c19342a4450af925364660edf668397f17095ae60c71c25f0f1b5baa