[INFO] fetching crate tron 0.1.3...
[INFO] testing tron-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tron 0.1.3 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate tron 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tron 0.1.3
[INFO] finished tweaking crates.io crate tron 0.1.3
[INFO] tweaked toml for crates.io crate tron 0.1.3 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c865d615ba44377919423159a17c9dd1ff1a03dde29ab6933ffc982b0e734f0
[INFO] running `Command { std: "docker" "start" "-a" "5c865d615ba44377919423159a17c9dd1ff1a03dde29ab6933ffc982b0e734f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c865d615ba44377919423159a17c9dd1ff1a03dde29ab6933ffc982b0e734f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c865d615ba44377919423159a17c9dd1ff1a03dde29ab6933ffc982b0e734f0", kill_on_drop: false }`
[INFO] [stdout] 5c865d615ba44377919423159a17c9dd1ff1a03dde29ab6933ffc982b0e734f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da2a058425f994ef3f4919f433233efdfefb2024a3c0f118b8a35ae597acfffa
[INFO] running `Command { std: "docker" "start" "-a" "da2a058425f994ef3f4919f433233efdfefb2024a3c0f118b8a35ae597acfffa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tron v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "da2a058425f994ef3f4919f433233efdfefb2024a3c0f118b8a35ae597acfffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2a058425f994ef3f4919f433233efdfefb2024a3c0f118b8a35ae597acfffa", kill_on_drop: false }`
[INFO] [stdout] da2a058425f994ef3f4919f433233efdfefb2024a3c0f118b8a35ae597acfffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4575e698e5bc6732cb411a26432d69a6b6210c904a970907926a22224dec3f29
[INFO] running `Command { std: "docker" "start" "-a" "4575e698e5bc6732cb411a26432d69a6b6210c904a970907926a22224dec3f29", kill_on_drop: false }`
[INFO] [stderr]    Compiling tron v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "4575e698e5bc6732cb411a26432d69a6b6210c904a970907926a22224dec3f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4575e698e5bc6732cb411a26432d69a6b6210c904a970907926a22224dec3f29", kill_on_drop: false }`
[INFO] [stdout] 4575e698e5bc6732cb411a26432d69a6b6210c904a970907926a22224dec3f29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 952422a42c687fd151ba7bba05fef2741383381fb8b9bbebbd9262b437d0a78f
[INFO] running `Command { std: "docker" "start" "-a" "952422a42c687fd151ba7bba05fef2741383381fb8b9bbebbd9262b437d0a78f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tron-58c8a9f0d98e3ef4)
[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" "952422a42c687fd151ba7bba05fef2741383381fb8b9bbebbd9262b437d0a78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952422a42c687fd151ba7bba05fef2741383381fb8b9bbebbd9262b437d0a78f", kill_on_drop: false }`
[INFO] [stdout] 952422a42c687fd151ba7bba05fef2741383381fb8b9bbebbd9262b437d0a78f