[INFO] fetching crate capra-core 0.4.1...
[INFO] testing capra-core-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate capra-core 0.4.1 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate capra-core 0.4.1 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 capra-core 0.4.1
[INFO] finished tweaking crates.io crate capra-core 0.4.1
[INFO] tweaked toml for crates.io crate capra-core 0.4.1 written to /workspace/builds/worker-38/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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 4c9d77324ead32e230307d3f210182db0ff108357adb18ad1921ec4ee25cc89e
[INFO] running `Command { std: "docker" "start" "-a" "4c9d77324ead32e230307d3f210182db0ff108357adb18ad1921ec4ee25cc89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9d77324ead32e230307d3f210182db0ff108357adb18ad1921ec4ee25cc89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9d77324ead32e230307d3f210182db0ff108357adb18ad1921ec4ee25cc89e", kill_on_drop: false }`
[INFO] [stdout] 4c9d77324ead32e230307d3f210182db0ff108357adb18ad1921ec4ee25cc89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 59de1383061ccf25f5bffeda3b9cc864676b310c5bc97c94934d86833f36e8ba
[INFO] running `Command { std: "docker" "start" "-a" "59de1383061ccf25f5bffeda3b9cc864676b310c5bc97c94934d86833f36e8ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling capra-core v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "59de1383061ccf25f5bffeda3b9cc864676b310c5bc97c94934d86833f36e8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59de1383061ccf25f5bffeda3b9cc864676b310c5bc97c94934d86833f36e8ba", kill_on_drop: false }`
[INFO] [stdout] 59de1383061ccf25f5bffeda3b9cc864676b310c5bc97c94934d86833f36e8ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 44fe6ac581401ca5d32f809f2167531540bad0453781be401f2c8c06b072df3e
[INFO] running `Command { std: "docker" "start" "-a" "44fe6ac581401ca5d32f809f2167531540bad0453781be401f2c8c06b072df3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling capra-core v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "44fe6ac581401ca5d32f809f2167531540bad0453781be401f2c8c06b072df3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44fe6ac581401ca5d32f809f2167531540bad0453781be401f2c8c06b072df3e", kill_on_drop: false }`
[INFO] [stdout] 44fe6ac581401ca5d32f809f2167531540bad0453781be401f2c8c06b072df3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] d3cd286bc0cb10a665c2ae927770b4020f251d7ec15f6ac96000102bae74b526
[INFO] running `Command { std: "docker" "start" "-a" "d3cd286bc0cb10a665c2ae927770b4020f251d7ec15f6ac96000102bae74b526", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/capra_core-8e3d9f2856389698)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests capra-core
[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] [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" "d3cd286bc0cb10a665c2ae927770b4020f251d7ec15f6ac96000102bae74b526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cd286bc0cb10a665c2ae927770b4020f251d7ec15f6ac96000102bae74b526", kill_on_drop: false }`
[INFO] [stdout] d3cd286bc0cb10a665c2ae927770b4020f251d7ec15f6ac96000102bae74b526