[INFO] fetching crate mild 0.0.0...
[INFO] testing mild-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mild 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mild 0.0.0 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 mild 0.0.0
[INFO] finished tweaking crates.io crate mild 0.0.0
[INFO] tweaked toml for crates.io crate mild 0.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5e41e95a586badb5d6cdb5fdbeb85010f8e3f0145d90f58c6804d5c10d64583
[INFO] running `Command { std: "docker" "start" "-a" "b5e41e95a586badb5d6cdb5fdbeb85010f8e3f0145d90f58c6804d5c10d64583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e41e95a586badb5d6cdb5fdbeb85010f8e3f0145d90f58c6804d5c10d64583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e41e95a586badb5d6cdb5fdbeb85010f8e3f0145d90f58c6804d5c10d64583", kill_on_drop: false }`
[INFO] [stdout] b5e41e95a586badb5d6cdb5fdbeb85010f8e3f0145d90f58c6804d5c10d64583
[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] 85717dfa8f729feb0343130f6f5f55fe655da756e31ac8c41ab161af8958925e
[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" "85717dfa8f729feb0343130f6f5f55fe655da756e31ac8c41ab161af8958925e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mild v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "85717dfa8f729feb0343130f6f5f55fe655da756e31ac8c41ab161af8958925e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85717dfa8f729feb0343130f6f5f55fe655da756e31ac8c41ab161af8958925e", kill_on_drop: false }`
[INFO] [stdout] 85717dfa8f729feb0343130f6f5f55fe655da756e31ac8c41ab161af8958925e
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6832f761e48aeaf9b47ab3919e4a7ebe9d1dc70283515b56f32d03da76a08b85
[INFO] running `Command { std: "docker" "start" "-a" "6832f761e48aeaf9b47ab3919e4a7ebe9d1dc70283515b56f32d03da76a08b85", kill_on_drop: false }`
[INFO] [stderr]    Compiling mild v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "6832f761e48aeaf9b47ab3919e4a7ebe9d1dc70283515b56f32d03da76a08b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6832f761e48aeaf9b47ab3919e4a7ebe9d1dc70283515b56f32d03da76a08b85", kill_on_drop: false }`
[INFO] [stdout] 6832f761e48aeaf9b47ab3919e4a7ebe9d1dc70283515b56f32d03da76a08b85
[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] [stdout] 624d437bf03f3677e990c73d01480d4798014ddecfcf779840a6518bc92915ca
[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" "624d437bf03f3677e990c73d01480d4798014ddecfcf779840a6518bc92915ca", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mild-404b2c41e331b924
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-ad1adaa8a5d7d1e7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mild
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "624d437bf03f3677e990c73d01480d4798014ddecfcf779840a6518bc92915ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624d437bf03f3677e990c73d01480d4798014ddecfcf779840a6518bc92915ca", kill_on_drop: false }`
[INFO] [stdout] 624d437bf03f3677e990c73d01480d4798014ddecfcf779840a6518bc92915ca