[INFO] fetching crate ducci 1.2.0...
[INFO] testing ducci-1.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ducci 1.2.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate ducci 1.2.0 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 ducci 1.2.0
[INFO] finished tweaking crates.io crate ducci 1.2.0
[INFO] tweaked toml for crates.io crate ducci 1.2.0 written to /workspace/builds/worker-81/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 7b7829aaf4444c0182729bb9fd4d6ee999f8596cc4974299a2a1ff5fb61a3407
[INFO] running `Command { std: "docker" "start" "-a" "7b7829aaf4444c0182729bb9fd4d6ee999f8596cc4974299a2a1ff5fb61a3407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b7829aaf4444c0182729bb9fd4d6ee999f8596cc4974299a2a1ff5fb61a3407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7829aaf4444c0182729bb9fd4d6ee999f8596cc4974299a2a1ff5fb61a3407", kill_on_drop: false }`
[INFO] [stdout] 7b7829aaf4444c0182729bb9fd4d6ee999f8596cc4974299a2a1ff5fb61a3407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 9d01fcc5b60414b692986c69ee5286972ce5a16f5fd7cf7ad2c7e4487bf4a761
[INFO] running `Command { std: "docker" "start" "-a" "9d01fcc5b60414b692986c69ee5286972ce5a16f5fd7cf7ad2c7e4487bf4a761", kill_on_drop: false }`
[INFO] [stderr]    Compiling ducci v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "9d01fcc5b60414b692986c69ee5286972ce5a16f5fd7cf7ad2c7e4487bf4a761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d01fcc5b60414b692986c69ee5286972ce5a16f5fd7cf7ad2c7e4487bf4a761", kill_on_drop: false }`
[INFO] [stdout] 9d01fcc5b60414b692986c69ee5286972ce5a16f5fd7cf7ad2c7e4487bf4a761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 3f70a1fe94338e13f4d93d04fa505db26dbf7c9e4473c4fed70d56f662475dfa
[INFO] running `Command { std: "docker" "start" "-a" "3f70a1fe94338e13f4d93d04fa505db26dbf7c9e4473c4fed70d56f662475dfa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ducci v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "3f70a1fe94338e13f4d93d04fa505db26dbf7c9e4473c4fed70d56f662475dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f70a1fe94338e13f4d93d04fa505db26dbf7c9e4473c4fed70d56f662475dfa", kill_on_drop: false }`
[INFO] [stdout] 3f70a1fe94338e13f4d93d04fa505db26dbf7c9e4473c4fed70d56f662475dfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 0c710f175f17981b47436c03b6c34056ddbd1b829306ea2deb90c710e664f563
[INFO] running `Command { std: "docker" "start" "-a" "0c710f175f17981b47436c03b6c34056ddbd1b829306ea2deb90c710e664f563", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ducci-17b7bf864c9e49cc)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_create_ducci_sequence ... ok
[INFO] [stderr]    Doc-tests ducci
[INFO] [stdout] test tests::test_create_following_ducci ... ok
[INFO] [stdout] test tests::test_sub_abs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "0c710f175f17981b47436c03b6c34056ddbd1b829306ea2deb90c710e664f563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c710f175f17981b47436c03b6c34056ddbd1b829306ea2deb90c710e664f563", kill_on_drop: false }`
[INFO] [stdout] 0c710f175f17981b47436c03b6c34056ddbd1b829306ea2deb90c710e664f563