[INFO] fetching crate bubble-sort 0.2.0...
[INFO] testing bubble-sort-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bubble-sort 0.2.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate bubble-sort 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 bubble-sort 0.2.0
[INFO] finished tweaking crates.io crate bubble-sort 0.2.0
[INFO] tweaked toml for crates.io crate bubble-sort 0.2.0 written to /workspace/builds/worker-34/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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] c19924a47f310e77145c9767463ef7762b5adc44b3d1a22ead5995a96c913db8
[INFO] running `Command { std: "docker" "start" "-a" "c19924a47f310e77145c9767463ef7762b5adc44b3d1a22ead5995a96c913db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19924a47f310e77145c9767463ef7762b5adc44b3d1a22ead5995a96c913db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19924a47f310e77145c9767463ef7762b5adc44b3d1a22ead5995a96c913db8", kill_on_drop: false }`
[INFO] [stdout] c19924a47f310e77145c9767463ef7762b5adc44b3d1a22ead5995a96c913db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 7105c634726da4baccfe2eb2761eb32e37c3f28c28bca2926e30e0411bf7bec1
[INFO] running `Command { std: "docker" "start" "-a" "7105c634726da4baccfe2eb2761eb32e37c3f28c28bca2926e30e0411bf7bec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bubble-sort v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "7105c634726da4baccfe2eb2761eb32e37c3f28c28bca2926e30e0411bf7bec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7105c634726da4baccfe2eb2761eb32e37c3f28c28bca2926e30e0411bf7bec1", kill_on_drop: false }`
[INFO] [stdout] 7105c634726da4baccfe2eb2761eb32e37c3f28c28bca2926e30e0411bf7bec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] e2f6b88c0e93034b859b723af973995abf6831fb1bc523d28d9a88444e65d913
[INFO] running `Command { std: "docker" "start" "-a" "e2f6b88c0e93034b859b723af973995abf6831fb1bc523d28d9a88444e65d913", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bubble-sort v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "e2f6b88c0e93034b859b723af973995abf6831fb1bc523d28d9a88444e65d913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f6b88c0e93034b859b723af973995abf6831fb1bc523d28d9a88444e65d913", kill_on_drop: false }`
[INFO] [stdout] e2f6b88c0e93034b859b723af973995abf6831fb1bc523d28d9a88444e65d913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] b17703c7f7092d904fc4a046bd67267107b7f3fce79bdbefbc37a304ca01090f
[INFO] running `Command { std: "docker" "start" "-a" "b17703c7f7092d904fc4a046bd67267107b7f3fce79bdbefbc37a304ca01090f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bubble_sort-f4153d053eb15610)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_bubble_sort ... 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] [stderr]    Doc-tests bubble-sort
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b17703c7f7092d904fc4a046bd67267107b7f3fce79bdbefbc37a304ca01090f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17703c7f7092d904fc4a046bd67267107b7f3fce79bdbefbc37a304ca01090f", kill_on_drop: false }`
[INFO] [stdout] b17703c7f7092d904fc4a046bd67267107b7f3fce79bdbefbc37a304ca01090f