[INFO] fetching crate imp 0.1.0...
[INFO] testing imp-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate imp 0.1.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate imp 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 imp 0.1.0
[INFO] finished tweaking crates.io crate imp 0.1.0
[INFO] tweaked toml for crates.io crate imp 0.1.0 written to /workspace/builds/worker-108/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bigint v4.4.3
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] b6fe207330395495fe3de93f644b178099ab2f944f880a100069fa543571b554
[INFO] running `Command { std: "docker" "start" "-a" "b6fe207330395495fe3de93f644b178099ab2f944f880a100069fa543571b554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6fe207330395495fe3de93f644b178099ab2f944f880a100069fa543571b554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6fe207330395495fe3de93f644b178099ab2f944f880a100069fa543571b554", kill_on_drop: false }`
[INFO] [stdout] b6fe207330395495fe3de93f644b178099ab2f944f880a100069fa543571b554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] c82d14dfb75272d3f74321e01590f19c3fcdd95fd746cec5d9ac5413d936318a
[INFO] running `Command { std: "docker" "start" "-a" "c82d14dfb75272d3f74321e01590f19c3fcdd95fd746cec5d9ac5413d936318a", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling imp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "c82d14dfb75272d3f74321e01590f19c3fcdd95fd746cec5d9ac5413d936318a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82d14dfb75272d3f74321e01590f19c3fcdd95fd746cec5d9ac5413d936318a", kill_on_drop: false }`
[INFO] [stdout] c82d14dfb75272d3f74321e01590f19c3fcdd95fd746cec5d9ac5413d936318a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] b6721855990233823c7defa76e82fa65693994cfd52b0ae927fd0c662dfe552f
[INFO] running `Command { std: "docker" "start" "-a" "b6721855990233823c7defa76e82fa65693994cfd52b0ae927fd0c662dfe552f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling bigint v4.4.3
[INFO] [stderr]    Compiling imp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "b6721855990233823c7defa76e82fa65693994cfd52b0ae927fd0c662dfe552f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6721855990233823c7defa76e82fa65693994cfd52b0ae927fd0c662dfe552f", kill_on_drop: false }`
[INFO] [stdout] b6721855990233823c7defa76e82fa65693994cfd52b0ae927fd0c662dfe552f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] e24b62b3eef482744967422fcd6b27172f5fe0a0510f61e2b6007884080fd2e5
[INFO] running `Command { std: "docker" "start" "-a" "e24b62b3eef482744967422fcd6b27172f5fe0a0510f61e2b6007884080fd2e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imp-1fedc4a7104aab1f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::lookup_colored_account ... ok
[INFO] [stdout] test tests::lookup_single_account ... ok
[INFO] [stdout] test tests::root_full_tree ... ok
[INFO] [stdout] test tests::root_simple_branch ... ok
[INFO] [stdout] test tests::lookup_full_tree ... ok
[INFO] [stdout] test tests::root_large_branch ... ok
[INFO] [stdout] test tests::lookup_small_branch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imp
[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" "e24b62b3eef482744967422fcd6b27172f5fe0a0510f61e2b6007884080fd2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24b62b3eef482744967422fcd6b27172f5fe0a0510f61e2b6007884080fd2e5", kill_on_drop: false }`
[INFO] [stdout] e24b62b3eef482744967422fcd6b27172f5fe0a0510f61e2b6007884080fd2e5