[INFO] fetching crate serde_skip 0.1.0...
[INFO] testing serde_skip-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde_skip 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serde_skip 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 serde_skip 0.1.0
[INFO] finished tweaking crates.io crate serde_skip 0.1.0
[INFO] tweaked toml for crates.io crate serde_skip 0.1.0 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 124a9ae3ee18d057878a0c907398dc17e54f921660068889ef3455d9fcd6d484
[INFO] running `Command { std: "docker" "start" "-a" "124a9ae3ee18d057878a0c907398dc17e54f921660068889ef3455d9fcd6d484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "124a9ae3ee18d057878a0c907398dc17e54f921660068889ef3455d9fcd6d484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124a9ae3ee18d057878a0c907398dc17e54f921660068889ef3455d9fcd6d484", kill_on_drop: false }`
[INFO] [stdout] 124a9ae3ee18d057878a0c907398dc17e54f921660068889ef3455d9fcd6d484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f4f5592cf98b6885d4474a40be2a1f67d03887c6099a665b410117b1a1765800
[INFO] running `Command { std: "docker" "start" "-a" "f4f5592cf98b6885d4474a40be2a1f67d03887c6099a665b410117b1a1765800", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_skip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "f4f5592cf98b6885d4474a40be2a1f67d03887c6099a665b410117b1a1765800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f5592cf98b6885d4474a40be2a1f67d03887c6099a665b410117b1a1765800", kill_on_drop: false }`
[INFO] [stdout] f4f5592cf98b6885d4474a40be2a1f67d03887c6099a665b410117b1a1765800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] be2d5c65c89799576f0e957554117d69f1f59574336b676dcdff489785d3e153
[INFO] running `Command { std: "docker" "start" "-a" "be2d5c65c89799576f0e957554117d69f1f59574336b676dcdff489785d3e153", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_skip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "be2d5c65c89799576f0e957554117d69f1f59574336b676dcdff489785d3e153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2d5c65c89799576f0e957554117d69f1f59574336b676dcdff489785d3e153", kill_on_drop: false }`
[INFO] [stdout] be2d5c65c89799576f0e957554117d69f1f59574336b676dcdff489785d3e153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] cb8c3ed45a457d8a6edf75f302217ad5f09e898e720d533ecde41741f93e6c40
[INFO] running `Command { std: "docker" "start" "-a" "cb8c3ed45a457d8a6edf75f302217ad5f09e898e720d533ecde41741f93e6c40", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_skip-1a0426b6db784fce)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-cbeff20c33a2ad53)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests serde_skip
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::is_default_on_numbers ... 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] [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" "cb8c3ed45a457d8a6edf75f302217ad5f09e898e720d533ecde41741f93e6c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8c3ed45a457d8a6edf75f302217ad5f09e898e720d533ecde41741f93e6c40", kill_on_drop: false }`
[INFO] [stdout] cb8c3ed45a457d8a6edf75f302217ad5f09e898e720d533ecde41741f93e6c40