[INFO] fetching crate rprompt 1.0.5...
[INFO] testing rprompt-1.0.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rprompt 1.0.5 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate rprompt 1.0.5 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 rprompt 1.0.5
[INFO] finished tweaking crates.io crate rprompt 1.0.5
[INFO] tweaked toml for crates.io crate rprompt 1.0.5 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate crates.io crate rprompt 1.0.5 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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 87e42f5be40da4efc1e37f8acfa0959fa152604f718a13a0cb01cfc911023754
[INFO] running `Command { std: "docker" "start" "-a" "87e42f5be40da4efc1e37f8acfa0959fa152604f718a13a0cb01cfc911023754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87e42f5be40da4efc1e37f8acfa0959fa152604f718a13a0cb01cfc911023754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e42f5be40da4efc1e37f8acfa0959fa152604f718a13a0cb01cfc911023754", kill_on_drop: false }`
[INFO] [stdout] 87e42f5be40da4efc1e37f8acfa0959fa152604f718a13a0cb01cfc911023754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 0cc40eb474c0a48f50b6db56c455526b2dc29d2df14e495963e13f69bc8c458e
[INFO] running `Command { std: "docker" "start" "-a" "0cc40eb474c0a48f50b6db56c455526b2dc29d2df14e495963e13f69bc8c458e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rprompt v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "0cc40eb474c0a48f50b6db56c455526b2dc29d2df14e495963e13f69bc8c458e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc40eb474c0a48f50b6db56c455526b2dc29d2df14e495963e13f69bc8c458e", kill_on_drop: false }`
[INFO] [stdout] 0cc40eb474c0a48f50b6db56c455526b2dc29d2df14e495963e13f69bc8c458e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 2eb3b6f4aad9007ce37b097fe77c4d946d126e7213e1e58a6e5c04f78438ed4c
[INFO] running `Command { std: "docker" "start" "-a" "2eb3b6f4aad9007ce37b097fe77c4d946d126e7213e1e58a6e5c04f78438ed4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rprompt v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "2eb3b6f4aad9007ce37b097fe77c4d946d126e7213e1e58a6e5c04f78438ed4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb3b6f4aad9007ce37b097fe77c4d946d126e7213e1e58a6e5c04f78438ed4c", kill_on_drop: false }`
[INFO] [stdout] 2eb3b6f4aad9007ce37b097fe77c4d946d126e7213e1e58a6e5c04f78438ed4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] c38f4f1673253f6d2cb1d1fd8a39d5d5419545c08d3c2cf8096b0de59055d7b5
[INFO] running `Command { std: "docker" "start" "-a" "c38f4f1673253f6d2cb1d1fd8a39d5d5419545c08d3c2cf8096b0de59055d7b5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rprompt-20d07d4febefd97a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rprompt
[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" "c38f4f1673253f6d2cb1d1fd8a39d5d5419545c08d3c2cf8096b0de59055d7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38f4f1673253f6d2cb1d1fd8a39d5d5419545c08d3c2cf8096b0de59055d7b5", kill_on_drop: false }`
[INFO] [stdout] c38f4f1673253f6d2cb1d1fd8a39d5d5419545c08d3c2cf8096b0de59055d7b5