[INFO] fetching crate shells 0.2.0...
[INFO] testing shells-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shells 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate shells 0.2.0 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 shells 0.2.0
[INFO] finished tweaking crates.io crate shells 0.2.0
[INFO] tweaked toml for crates.io crate shells 0.2.0 written to /workspace/builds/worker-15/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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] e7abc8d4bd7701702847f644597d991ff833b7586db1aea5b3cfc9b389fa98da
[INFO] running `Command { std: "docker" "start" "-a" "e7abc8d4bd7701702847f644597d991ff833b7586db1aea5b3cfc9b389fa98da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7abc8d4bd7701702847f644597d991ff833b7586db1aea5b3cfc9b389fa98da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7abc8d4bd7701702847f644597d991ff833b7586db1aea5b3cfc9b389fa98da", kill_on_drop: false }`
[INFO] [stdout] e7abc8d4bd7701702847f644597d991ff833b7586db1aea5b3cfc9b389fa98da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] dd18b4b279d788fa7dbab1c8d7cc390889d0a1f1ca57c0d825d2d2b3c5225c26
[INFO] running `Command { std: "docker" "start" "-a" "dd18b4b279d788fa7dbab1c8d7cc390889d0a1f1ca57c0d825d2d2b3c5225c26", kill_on_drop: false }`
[INFO] [stderr]    Compiling shells v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "dd18b4b279d788fa7dbab1c8d7cc390889d0a1f1ca57c0d825d2d2b3c5225c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd18b4b279d788fa7dbab1c8d7cc390889d0a1f1ca57c0d825d2d2b3c5225c26", kill_on_drop: false }`
[INFO] [stdout] dd18b4b279d788fa7dbab1c8d7cc390889d0a1f1ca57c0d825d2d2b3c5225c26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 033b4600a1f5cbd4476407b951165b59e3957548555d3eb6657685c334508faa
[INFO] running `Command { std: "docker" "start" "-a" "033b4600a1f5cbd4476407b951165b59e3957548555d3eb6657685c334508faa", kill_on_drop: false }`
[INFO] [stderr]    Compiling shells v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "033b4600a1f5cbd4476407b951165b59e3957548555d3eb6657685c334508faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033b4600a1f5cbd4476407b951165b59e3957548555d3eb6657685c334508faa", kill_on_drop: false }`
[INFO] [stdout] 033b4600a1f5cbd4476407b951165b59e3957548555d3eb6657685c334508faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b10be3fb874cd9d9dac474cdc9aa5e32dd0d0c0c6624e37c71f37289261dd825
[INFO] running `Command { std: "docker" "start" "-a" "b10be3fb874cd9d9dac474cdc9aa5e32dd0d0c0c6624e37c71f37289261dd825", 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/shells-aa0be99e38039b5b)
[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 shells
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b10be3fb874cd9d9dac474cdc9aa5e32dd0d0c0c6624e37c71f37289261dd825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10be3fb874cd9d9dac474cdc9aa5e32dd0d0c0c6624e37c71f37289261dd825", kill_on_drop: false }`
[INFO] [stdout] b10be3fb874cd9d9dac474cdc9aa5e32dd0d0c0c6624e37c71f37289261dd825