[INFO] fetching crate random_utils 0.2.1...
[INFO] testing random_utils-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate random_utils 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate random_utils 0.2.1 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 random_utils 0.2.1
[INFO] finished tweaking crates.io crate random_utils 0.2.1
[INFO] tweaked toml for crates.io crate random_utils 0.2.1 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 66bad118438d135f4e0427bf735dcc2fd042c80151f56c83e9e60f752601334d
[INFO] running `Command { std: "docker" "start" "-a" "66bad118438d135f4e0427bf735dcc2fd042c80151f56c83e9e60f752601334d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66bad118438d135f4e0427bf735dcc2fd042c80151f56c83e9e60f752601334d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bad118438d135f4e0427bf735dcc2fd042c80151f56c83e9e60f752601334d", kill_on_drop: false }`
[INFO] [stdout] 66bad118438d135f4e0427bf735dcc2fd042c80151f56c83e9e60f752601334d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3719f4e6a1a05a06d43e78285b1922614afad146e56cc3d16d165131f13ec8d3
[INFO] running `Command { std: "docker" "start" "-a" "3719f4e6a1a05a06d43e78285b1922614afad146e56cc3d16d165131f13ec8d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling random_utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "3719f4e6a1a05a06d43e78285b1922614afad146e56cc3d16d165131f13ec8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3719f4e6a1a05a06d43e78285b1922614afad146e56cc3d16d165131f13ec8d3", kill_on_drop: false }`
[INFO] [stdout] 3719f4e6a1a05a06d43e78285b1922614afad146e56cc3d16d165131f13ec8d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1b733e36d5daa38d8bc873b71acf7394ecb70aa109d27c67fd29b5090f2d7ac1
[INFO] running `Command { std: "docker" "start" "-a" "1b733e36d5daa38d8bc873b71acf7394ecb70aa109d27c67fd29b5090f2d7ac1", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_utils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "1b733e36d5daa38d8bc873b71acf7394ecb70aa109d27c67fd29b5090f2d7ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b733e36d5daa38d8bc873b71acf7394ecb70aa109d27c67fd29b5090f2d7ac1", kill_on_drop: false }`
[INFO] [stdout] 1b733e36d5daa38d8bc873b71acf7394ecb70aa109d27c67fd29b5090f2d7ac1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ddf88d0bf33d2789ff0e76517a3cf59c0ddf77420466defd9a1116de078382e2
[INFO] running `Command { std: "docker" "start" "-a" "ddf88d0bf33d2789ff0e76517a3cf59c0ddf77420466defd9a1116de078382e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_utils-39ffb8b603f7feff)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::random_range_equal_arguments ... ok
[INFO] [stdout] test tests::random_range_bad_arguments - should panic ... ok
[INFO] [stdout] test tests::random_range_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.48s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests random_utils
[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" "ddf88d0bf33d2789ff0e76517a3cf59c0ddf77420466defd9a1116de078382e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf88d0bf33d2789ff0e76517a3cf59c0ddf77420466defd9a1116de078382e2", kill_on_drop: false }`
[INFO] [stdout] ddf88d0bf33d2789ff0e76517a3cf59c0ddf77420466defd9a1116de078382e2