[INFO] fetching crate epsilon-string 0.1.0...
[INFO] testing epsilon-string-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate epsilon-string 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate epsilon-string 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 epsilon-string 0.1.0
[INFO] finished tweaking crates.io crate epsilon-string 0.1.0
[INFO] tweaked toml for crates.io crate epsilon-string 0.1.0 written to /workspace/builds/worker-4/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] 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c684d570589368db35329694281bc5c212ba51a4334263df7e05b33cc073e850
[INFO] running `Command { std: "docker" "start" "-a" "c684d570589368db35329694281bc5c212ba51a4334263df7e05b33cc073e850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c684d570589368db35329694281bc5c212ba51a4334263df7e05b33cc073e850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c684d570589368db35329694281bc5c212ba51a4334263df7e05b33cc073e850", kill_on_drop: false }`
[INFO] [stdout] c684d570589368db35329694281bc5c212ba51a4334263df7e05b33cc073e850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 45e40c054346761e465b0e3b271b3c86bab470be97affa5eecfd8ca6608fa4f7
[INFO] running `Command { std: "docker" "start" "-a" "45e40c054346761e465b0e3b271b3c86bab470be97affa5eecfd8ca6608fa4f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling epsilon-string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "45e40c054346761e465b0e3b271b3c86bab470be97affa5eecfd8ca6608fa4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e40c054346761e465b0e3b271b3c86bab470be97affa5eecfd8ca6608fa4f7", kill_on_drop: false }`
[INFO] [stdout] 45e40c054346761e465b0e3b271b3c86bab470be97affa5eecfd8ca6608fa4f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 11434f9328e7b1d951f187ec6f7f25a94bf491990eb37c6de73e4e538754f23f
[INFO] running `Command { std: "docker" "start" "-a" "11434f9328e7b1d951f187ec6f7f25a94bf491990eb37c6de73e4e538754f23f", kill_on_drop: false }`
[INFO] [stderr]    Compiling epsilon-string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "11434f9328e7b1d951f187ec6f7f25a94bf491990eb37c6de73e4e538754f23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11434f9328e7b1d951f187ec6f7f25a94bf491990eb37c6de73e4e538754f23f", kill_on_drop: false }`
[INFO] [stdout] 11434f9328e7b1d951f187ec6f7f25a94bf491990eb37c6de73e4e538754f23f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 431c548df58df4596465d2ab31052beec6fd154da1a3ade049f2af2567c8cfde
[INFO] running `Command { std: "docker" "start" "-a" "431c548df58df4596465d2ab31052beec6fd154da1a3ade049f2af2567c8cfde", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/epsilon_string-d966d7ea91890dc9)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests epsilon-string
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "431c548df58df4596465d2ab31052beec6fd154da1a3ade049f2af2567c8cfde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431c548df58df4596465d2ab31052beec6fd154da1a3ade049f2af2567c8cfde", kill_on_drop: false }`
[INFO] [stdout] 431c548df58df4596465d2ab31052beec6fd154da1a3ade049f2af2567c8cfde