[INFO] fetching crate mind 0.7.3...
[INFO] testing mind-0.7.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mind 0.7.3 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate mind 0.7.3 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 mind 0.7.3
[INFO] finished tweaking crates.io crate mind 0.7.3
[INFO] tweaked toml for crates.io crate mind 0.7.3 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate mind 0.7.3 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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ca3c4304eb1c64b3f218da8afa51a4dd58d5de60c2ba859497308ac806fd2e1d
[INFO] running `Command { std: "docker" "start" "-a" "ca3c4304eb1c64b3f218da8afa51a4dd58d5de60c2ba859497308ac806fd2e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca3c4304eb1c64b3f218da8afa51a4dd58d5de60c2ba859497308ac806fd2e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3c4304eb1c64b3f218da8afa51a4dd58d5de60c2ba859497308ac806fd2e1d", kill_on_drop: false }`
[INFO] [stdout] ca3c4304eb1c64b3f218da8afa51a4dd58d5de60c2ba859497308ac806fd2e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 6a60ae3cb122d7b19f521b7393f2ccbea271f88ad922750c92872ebfee92d7de
[INFO] running `Command { std: "docker" "start" "-a" "6a60ae3cb122d7b19f521b7393f2ccbea271f88ad922750c92872ebfee92d7de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling serde_yaml v0.8.20
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling chrono-humanize v0.1.2
[INFO] [stderr]    Compiling mind v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.48s
[INFO] running `Command { std: "docker" "inspect" "6a60ae3cb122d7b19f521b7393f2ccbea271f88ad922750c92872ebfee92d7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a60ae3cb122d7b19f521b7393f2ccbea271f88ad922750c92872ebfee92d7de", kill_on_drop: false }`
[INFO] [stdout] 6a60ae3cb122d7b19f521b7393f2ccbea271f88ad922750c92872ebfee92d7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] b33968746729ff21f669b52b8148e5485c758e9326ced0cfa92f6c68548d74a6
[INFO] running `Command { std: "docker" "start" "-a" "b33968746729ff21f669b52b8148e5485c758e9326ced0cfa92f6c68548d74a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mind v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "b33968746729ff21f669b52b8148e5485c758e9326ced0cfa92f6c68548d74a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33968746729ff21f669b52b8148e5485c758e9326ced0cfa92f6c68548d74a6", kill_on_drop: false }`
[INFO] [stdout] b33968746729ff21f669b52b8148e5485c758e9326ced0cfa92f6c68548d74a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 5308d3cfc1bad692a15fd801f9e143e019dc6e8c512201d4c5e1a30e3c7750cc
[INFO] running `Command { std: "docker" "start" "-a" "5308d3cfc1bad692a15fd801f9e143e019dc6e8c512201d4c5e1a30e3c7750cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mind-a5bfe9d0f8c53f47)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mind-fbea9ff8d541c002)
[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] [stderr]    Doc-tests mind
[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" "5308d3cfc1bad692a15fd801f9e143e019dc6e8c512201d4c5e1a30e3c7750cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5308d3cfc1bad692a15fd801f9e143e019dc6e8c512201d4c5e1a30e3c7750cc", kill_on_drop: false }`
[INFO] [stdout] 5308d3cfc1bad692a15fd801f9e143e019dc6e8c512201d4c5e1a30e3c7750cc