[INFO] fetching crate octopus 0.0.0...
[INFO] testing octopus-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate octopus 0.0.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate octopus 0.0.0 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 octopus 0.0.0
[INFO] finished tweaking crates.io crate octopus 0.0.0
[INFO] tweaked toml for crates.io crate octopus 0.0.0 written to /workspace/builds/worker-82/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 6b6e5b6f5385cc8c33b1857996cf4fc752dbfc5cc43e19f33bd0420b963ae08d
[INFO] running `Command { std: "docker" "start" "-a" "6b6e5b6f5385cc8c33b1857996cf4fc752dbfc5cc43e19f33bd0420b963ae08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b6e5b6f5385cc8c33b1857996cf4fc752dbfc5cc43e19f33bd0420b963ae08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6e5b6f5385cc8c33b1857996cf4fc752dbfc5cc43e19f33bd0420b963ae08d", kill_on_drop: false }`
[INFO] [stdout] 6b6e5b6f5385cc8c33b1857996cf4fc752dbfc5cc43e19f33bd0420b963ae08d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 781f73ea277b526a666f8f18dc260b13285a5a79c8cd34fa7fa92fd1f91e7142
[INFO] running `Command { std: "docker" "start" "-a" "781f73ea277b526a666f8f18dc260b13285a5a79c8cd34fa7fa92fd1f91e7142", kill_on_drop: false }`
[INFO] [stderr]    Compiling octopus v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "781f73ea277b526a666f8f18dc260b13285a5a79c8cd34fa7fa92fd1f91e7142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781f73ea277b526a666f8f18dc260b13285a5a79c8cd34fa7fa92fd1f91e7142", kill_on_drop: false }`
[INFO] [stdout] 781f73ea277b526a666f8f18dc260b13285a5a79c8cd34fa7fa92fd1f91e7142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] b9a99c5a6628cfef362746ffe3da4e395a644e09277df2d206df6ff804e8941f
[INFO] running `Command { std: "docker" "start" "-a" "b9a99c5a6628cfef362746ffe3da4e395a644e09277df2d206df6ff804e8941f", kill_on_drop: false }`
[INFO] [stderr]    Compiling octopus v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "b9a99c5a6628cfef362746ffe3da4e395a644e09277df2d206df6ff804e8941f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a99c5a6628cfef362746ffe3da4e395a644e09277df2d206df6ff804e8941f", kill_on_drop: false }`
[INFO] [stdout] b9a99c5a6628cfef362746ffe3da4e395a644e09277df2d206df6ff804e8941f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 4b64dcc8a42591b92792ef28160e69f29a624aef2605243fda8b5d8f8cbf7ce4
[INFO] running `Command { std: "docker" "start" "-a" "4b64dcc8a42591b92792ef28160e69f29a624aef2605243fda8b5d8f8cbf7ce4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/octopus-713fe8c09ac284d7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests octopus
[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" "4b64dcc8a42591b92792ef28160e69f29a624aef2605243fda8b5d8f8cbf7ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b64dcc8a42591b92792ef28160e69f29a624aef2605243fda8b5d8f8cbf7ce4", kill_on_drop: false }`
[INFO] [stdout] 4b64dcc8a42591b92792ef28160e69f29a624aef2605243fda8b5d8f8cbf7ce4