[INFO] fetching crate cpubars 0.5.0...
[INFO] testing cpubars-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cpubars 0.5.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cpubars 0.5.0 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 cpubars 0.5.0
[INFO] finished tweaking crates.io crate cpubars 0.5.0
[INFO] tweaked toml for crates.io crate cpubars 0.5.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate cpubars 0.5.0 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 262a6542fcca72bd06a70288fe70ba553d81aac630e28f5c7e64a3e2194b5054
[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" "262a6542fcca72bd06a70288fe70ba553d81aac630e28f5c7e64a3e2194b5054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "262a6542fcca72bd06a70288fe70ba553d81aac630e28f5c7e64a3e2194b5054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262a6542fcca72bd06a70288fe70ba553d81aac630e28f5c7e64a3e2194b5054", kill_on_drop: false }`
[INFO] [stdout] 262a6542fcca72bd06a70288fe70ba553d81aac630e28f5c7e64a3e2194b5054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e178b0e9f407c3fc5075df72017d3c34e97d6992439805830d861ed46de2c1be
[INFO] running `Command { std: "docker" "start" "-a" "e178b0e9f407c3fc5075df72017d3c34e97d6992439805830d861ed46de2c1be", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]    Compiling unescape v0.1.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling snafu-derive v0.6.3
[INFO] [stderr]    Compiling derive_more v0.99.3
[INFO] [stderr]    Compiling snafu v0.6.3
[INFO] [stderr]    Compiling psutil v3.0.1
[INFO] [stderr]    Compiling cpubars v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.13s
[INFO] running `Command { std: "docker" "inspect" "e178b0e9f407c3fc5075df72017d3c34e97d6992439805830d861ed46de2c1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e178b0e9f407c3fc5075df72017d3c34e97d6992439805830d861ed46de2c1be", kill_on_drop: false }`
[INFO] [stdout] e178b0e9f407c3fc5075df72017d3c34e97d6992439805830d861ed46de2c1be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7c84f2f7903f8363263414113f6fd0173f8d63b2d6dd54cd1e079b57b893a119
[INFO] running `Command { std: "docker" "start" "-a" "7c84f2f7903f8363263414113f6fd0173f8d63b2d6dd54cd1e079b57b893a119", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpubars v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "7c84f2f7903f8363263414113f6fd0173f8d63b2d6dd54cd1e079b57b893a119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c84f2f7903f8363263414113f6fd0173f8d63b2d6dd54cd1e079b57b893a119", kill_on_drop: false }`
[INFO] [stdout] 7c84f2f7903f8363263414113f6fd0173f8d63b2d6dd54cd1e079b57b893a119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1ffe48ebc4be9ac1bd28e26ba6417cc9b86e3d51fae7f81343cdb1bcec6f4e30
[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" "1ffe48ebc4be9ac1bd28e26ba6417cc9b86e3d51fae7f81343cdb1bcec6f4e30", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cpubars-09d1885332c6507e
[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" "1ffe48ebc4be9ac1bd28e26ba6417cc9b86e3d51fae7f81343cdb1bcec6f4e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffe48ebc4be9ac1bd28e26ba6417cc9b86e3d51fae7f81343cdb1bcec6f4e30", kill_on_drop: false }`
[INFO] [stdout] 1ffe48ebc4be9ac1bd28e26ba6417cc9b86e3d51fae7f81343cdb1bcec6f4e30