[INFO] cloning repository https://github.com/LittleBunnyRabbit/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LittleBunnyRabbit/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleBunnyRabbit%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleBunnyRabbit%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6e35b411202bd877d7c5e9bfb56f6627c87968d
[INFO] testing LittleBunnyRabbit/rust-sandbox against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleBunnyRabbit%2Frust-sandbox" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LittleBunnyRabbit/rust-sandbox 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 git repo https://github.com/LittleBunnyRabbit/rust-sandbox
[INFO] finished tweaking git repo https://github.com/LittleBunnyRabbit/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/LittleBunnyRabbit/rust-sandbox written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/LittleBunnyRabbit/rust-sandbox already has a lockfile, it will not be regenerated
[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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 6fca0a48844513cd7bbc525e3944251311cd72059b6ea4a053014a91a8f72891
[INFO] running `Command { std: "docker" "start" "-a" "6fca0a48844513cd7bbc525e3944251311cd72059b6ea4a053014a91a8f72891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fca0a48844513cd7bbc525e3944251311cd72059b6ea4a053014a91a8f72891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fca0a48844513cd7bbc525e3944251311cd72059b6ea4a053014a91a8f72891", kill_on_drop: false }`
[INFO] [stdout] 6fca0a48844513cd7bbc525e3944251311cd72059b6ea4a053014a91a8f72891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 707e14f31b0321bb4acf9043f12ad998e49d11c0e7772b46c838412174a50603
[INFO] running `Command { std: "docker" "start" "-a" "707e14f31b0321bb4acf9043f12ad998e49d11c0e7772b46c838412174a50603", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.08s
[INFO] running `Command { std: "docker" "inspect" "707e14f31b0321bb4acf9043f12ad998e49d11c0e7772b46c838412174a50603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707e14f31b0321bb4acf9043f12ad998e49d11c0e7772b46c838412174a50603", kill_on_drop: false }`
[INFO] [stdout] 707e14f31b0321bb4acf9043f12ad998e49d11c0e7772b46c838412174a50603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 1dd90157d47270e914ebb8a3f5b1b90203cf0e062ef18470c34f37998d3c8950
[INFO] running `Command { std: "docker" "start" "-a" "1dd90157d47270e914ebb8a3f5b1b90203cf0e062ef18470c34f37998d3c8950", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "1dd90157d47270e914ebb8a3f5b1b90203cf0e062ef18470c34f37998d3c8950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd90157d47270e914ebb8a3f5b1b90203cf0e062ef18470c34f37998d3c8950", kill_on_drop: false }`
[INFO] [stdout] 1dd90157d47270e914ebb8a3f5b1b90203cf0e062ef18470c34f37998d3c8950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] b2b1ab1683ee1c169f8f92c87676f52c0701abd3521218a4501a2f990ff77e13
[INFO] running `Command { std: "docker" "start" "-a" "b2b1ab1683ee1c169f8f92c87676f52c0701abd3521218a4501a2f990ff77e13", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-21c1684340cc7832)
[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" "b2b1ab1683ee1c169f8f92c87676f52c0701abd3521218a4501a2f990ff77e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b1ab1683ee1c169f8f92c87676f52c0701abd3521218a4501a2f990ff77e13", kill_on_drop: false }`
[INFO] [stdout] b2b1ab1683ee1c169f8f92c87676f52c0701abd3521218a4501a2f990ff77e13