[INFO] fetching crate cargo-cheh 0.1.0...
[INFO] testing cargo-cheh-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cargo-cheh 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-cheh 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-cheh 0.1.0
[INFO] finished tweaking crates.io crate cargo-cheh 0.1.0
[INFO] tweaked toml for crates.io crate cargo-cheh 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-cheh 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f6bc2005ddbb8c168bb46b7fc7aca7eb175d6f1a238282af8c1b63bbeaa5f3a
[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" "4f6bc2005ddbb8c168bb46b7fc7aca7eb175d6f1a238282af8c1b63bbeaa5f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6bc2005ddbb8c168bb46b7fc7aca7eb175d6f1a238282af8c1b63bbeaa5f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6bc2005ddbb8c168bb46b7fc7aca7eb175d6f1a238282af8c1b63bbeaa5f3a", kill_on_drop: false }`
[INFO] [stdout] 4f6bc2005ddbb8c168bb46b7fc7aca7eb175d6f1a238282af8c1b63bbeaa5f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "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] d4cca676c3b6845091b486c92f5cdf3c117a4fdfd0b7e07d8733ce862495cd78
[INFO] running `Command { std: "docker" "start" "-a" "d4cca676c3b6845091b486c92f5cdf3c117a4fdfd0b7e07d8733ce862495cd78", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-cheh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "d4cca676c3b6845091b486c92f5cdf3c117a4fdfd0b7e07d8733ce862495cd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4cca676c3b6845091b486c92f5cdf3c117a4fdfd0b7e07d8733ce862495cd78", kill_on_drop: false }`
[INFO] [stdout] d4cca676c3b6845091b486c92f5cdf3c117a4fdfd0b7e07d8733ce862495cd78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4192cb3e1267f71b7361ba1c42c72453b67cada40bf54ae361cf421280be3c80
[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" "4192cb3e1267f71b7361ba1c42c72453b67cada40bf54ae361cf421280be3c80", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-cheh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "4192cb3e1267f71b7361ba1c42c72453b67cada40bf54ae361cf421280be3c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4192cb3e1267f71b7361ba1c42c72453b67cada40bf54ae361cf421280be3c80", kill_on_drop: false }`
[INFO] [stdout] 4192cb3e1267f71b7361ba1c42c72453b67cada40bf54ae361cf421280be3c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9d838be618da53adefae667cccf01256a5d559abfa42a7e932e32f800580d2d
[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" "e9d838be618da53adefae667cccf01256a5d559abfa42a7e932e32f800580d2d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_cheh-87e09c3d9187ad72
[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" "e9d838be618da53adefae667cccf01256a5d559abfa42a7e932e32f800580d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d838be618da53adefae667cccf01256a5d559abfa42a7e932e32f800580d2d", kill_on_drop: false }`
[INFO] [stdout] e9d838be618da53adefae667cccf01256a5d559abfa42a7e932e32f800580d2d