[INFO] fetching crate durham 0.1.0...
[INFO] testing durham-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate durham 0.1.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate durham 0.1.0 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 durham 0.1.0
[INFO] finished tweaking crates.io crate durham 0.1.0
[INFO] tweaked toml for crates.io crate durham 0.1.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate durham 0.1.0 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] [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] eba2e8620ca2a0c134c487fc5bffde76f3ae46f5ff2131606b1cf3a3af189693
[INFO] running `Command { std: "docker" "start" "-a" "eba2e8620ca2a0c134c487fc5bffde76f3ae46f5ff2131606b1cf3a3af189693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba2e8620ca2a0c134c487fc5bffde76f3ae46f5ff2131606b1cf3a3af189693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba2e8620ca2a0c134c487fc5bffde76f3ae46f5ff2131606b1cf3a3af189693", kill_on_drop: false }`
[INFO] [stdout] eba2e8620ca2a0c134c487fc5bffde76f3ae46f5ff2131606b1cf3a3af189693
[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] 699e6186a0ef38f1419244ee91c109758ab5baea75a54da49ddc68c42b814c8b
[INFO] running `Command { std: "docker" "start" "-a" "699e6186a0ef38f1419244ee91c109758ab5baea75a54da49ddc68c42b814c8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling durham v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "699e6186a0ef38f1419244ee91c109758ab5baea75a54da49ddc68c42b814c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699e6186a0ef38f1419244ee91c109758ab5baea75a54da49ddc68c42b814c8b", kill_on_drop: false }`
[INFO] [stdout] 699e6186a0ef38f1419244ee91c109758ab5baea75a54da49ddc68c42b814c8b
[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] 71c5d7fa0d93f1dc3a55fa2200ed8186541b4dc4935fe6c3fb7f526e1f8d3cc4
[INFO] running `Command { std: "docker" "start" "-a" "71c5d7fa0d93f1dc3a55fa2200ed8186541b4dc4935fe6c3fb7f526e1f8d3cc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling durham v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "71c5d7fa0d93f1dc3a55fa2200ed8186541b4dc4935fe6c3fb7f526e1f8d3cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c5d7fa0d93f1dc3a55fa2200ed8186541b4dc4935fe6c3fb7f526e1f8d3cc4", kill_on_drop: false }`
[INFO] [stdout] 71c5d7fa0d93f1dc3a55fa2200ed8186541b4dc4935fe6c3fb7f526e1f8d3cc4
[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] 26774df1fc66ecb4027bcc28da3b6e3b0780e27b74d1c59d5c2a133360091c66
[INFO] running `Command { std: "docker" "start" "-a" "26774df1fc66ecb4027bcc28da3b6e3b0780e27b74d1c59d5c2a133360091c66", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/durham-e040e6c3648b55c7)
[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" "26774df1fc66ecb4027bcc28da3b6e3b0780e27b74d1c59d5c2a133360091c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26774df1fc66ecb4027bcc28da3b6e3b0780e27b74d1c59d5c2a133360091c66", kill_on_drop: false }`
[INFO] [stdout] 26774df1fc66ecb4027bcc28da3b6e3b0780e27b74d1c59d5c2a133360091c66