[INFO] fetching crate shrapnel 0.1.0-alpha.29...
[INFO] testing shrapnel-0.1.0-alpha.29 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shrapnel 0.1.0-alpha.29 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate shrapnel 0.1.0-alpha.29 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 shrapnel 0.1.0-alpha.29
[INFO] finished tweaking crates.io crate shrapnel 0.1.0-alpha.29
[INFO] tweaked toml for crates.io crate shrapnel 0.1.0-alpha.29 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate shrapnel 0.1.0-alpha.29 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e12c8649bd570f94a897f60753a8543a21ef57661e0aed336f05e330a08a3d9c
[INFO] running `Command { std: "docker" "start" "-a" "e12c8649bd570f94a897f60753a8543a21ef57661e0aed336f05e330a08a3d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e12c8649bd570f94a897f60753a8543a21ef57661e0aed336f05e330a08a3d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12c8649bd570f94a897f60753a8543a21ef57661e0aed336f05e330a08a3d9c", kill_on_drop: false }`
[INFO] [stdout] e12c8649bd570f94a897f60753a8543a21ef57661e0aed336f05e330a08a3d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c3599bc795fcf5cbc24f5fe703830131a07a17eec428cb97a355ada9317e0ce2
[INFO] running `Command { std: "docker" "start" "-a" "c3599bc795fcf5cbc24f5fe703830131a07a17eec428cb97a355ada9317e0ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling shrapnel v0.1.0-alpha.29 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `Command { std: "docker" "inspect" "c3599bc795fcf5cbc24f5fe703830131a07a17eec428cb97a355ada9317e0ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3599bc795fcf5cbc24f5fe703830131a07a17eec428cb97a355ada9317e0ce2", kill_on_drop: false }`
[INFO] [stdout] c3599bc795fcf5cbc24f5fe703830131a07a17eec428cb97a355ada9317e0ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a8b734db70b11179a96903782c755ead9453eac98d99b977af290f49cc11750d
[INFO] running `Command { std: "docker" "start" "-a" "a8b734db70b11179a96903782c755ead9453eac98d99b977af290f49cc11750d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling shrapnel v0.1.0-alpha.29 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "a8b734db70b11179a96903782c755ead9453eac98d99b977af290f49cc11750d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b734db70b11179a96903782c755ead9453eac98d99b977af290f49cc11750d", kill_on_drop: false }`
[INFO] [stdout] a8b734db70b11179a96903782c755ead9453eac98d99b977af290f49cc11750d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 83b2285fc4897e29101868cc8aa6bad85b552aaa71e277081e5f5684a1f0c67c
[INFO] running `Command { std: "docker" "start" "-a" "83b2285fc4897e29101868cc8aa6bad85b552aaa71e277081e5f5684a1f0c67c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shrapnel-8e771692e955415e)
[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" "83b2285fc4897e29101868cc8aa6bad85b552aaa71e277081e5f5684a1f0c67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b2285fc4897e29101868cc8aa6bad85b552aaa71e277081e5f5684a1f0c67c", kill_on_drop: false }`
[INFO] [stdout] 83b2285fc4897e29101868cc8aa6bad85b552aaa71e277081e5f5684a1f0c67c