[INFO] fetching crate traitsequence 0.4.0...
[INFO] testing traitsequence-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate traitsequence 0.4.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate traitsequence 0.4.0 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 traitsequence 0.4.0
[INFO] finished tweaking crates.io crate traitsequence 0.4.0
[INFO] tweaked toml for crates.io crate traitsequence 0.4.0 written to /workspace/builds/worker-49/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 3ee916e511a5b4337df494f17593d84a2dd0be4d8bd0324ca44c247b86cc83c6
[INFO] running `Command { std: "docker" "start" "-a" "3ee916e511a5b4337df494f17593d84a2dd0be4d8bd0324ca44c247b86cc83c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee916e511a5b4337df494f17593d84a2dd0be4d8bd0324ca44c247b86cc83c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee916e511a5b4337df494f17593d84a2dd0be4d8bd0324ca44c247b86cc83c6", kill_on_drop: false }`
[INFO] [stdout] 3ee916e511a5b4337df494f17593d84a2dd0be4d8bd0324ca44c247b86cc83c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] db6f10aecd3f2d14b824f58ec4de39c71a3956b039b3ab881b41c14171a8b1de
[INFO] running `Command { std: "docker" "start" "-a" "db6f10aecd3f2d14b824f58ec4de39c71a3956b039b3ab881b41c14171a8b1de", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitsequence v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "db6f10aecd3f2d14b824f58ec4de39c71a3956b039b3ab881b41c14171a8b1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6f10aecd3f2d14b824f58ec4de39c71a3956b039b3ab881b41c14171a8b1de", kill_on_drop: false }`
[INFO] [stdout] db6f10aecd3f2d14b824f58ec4de39c71a3956b039b3ab881b41c14171a8b1de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] a6ea87f3258a3ad0c863bf6d66bf5a14f57c7b1c0e0d0f3b40fc53adaa42b9e9
[INFO] running `Command { std: "docker" "start" "-a" "a6ea87f3258a3ad0c863bf6d66bf5a14f57c7b1c0e0d0f3b40fc53adaa42b9e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitsequence v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "a6ea87f3258a3ad0c863bf6d66bf5a14f57c7b1c0e0d0f3b40fc53adaa42b9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ea87f3258a3ad0c863bf6d66bf5a14f57c7b1c0e0d0f3b40fc53adaa42b9e9", kill_on_drop: false }`
[INFO] [stdout] a6ea87f3258a3ad0c863bf6d66bf5a14f57c7b1c0e0d0f3b40fc53adaa42b9e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 2cc3d0968064f912da08f76b695e1d1afe9b7e01a0f527289be5a99a51e49e92
[INFO] running `Command { std: "docker" "start" "-a" "2cc3d0968064f912da08f76b695e1d1afe9b7e01a0f527289be5a99a51e49e92", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/traitsequence-f82a741a37a57a6f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test implementation::slice::tests::test_len ... ok
[INFO] [stdout] test interface::tests::test_merge_sequences_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests traitsequence
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/interface.rs - interface::Sequence::to_debug_string (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cc3d0968064f912da08f76b695e1d1afe9b7e01a0f527289be5a99a51e49e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc3d0968064f912da08f76b695e1d1afe9b7e01a0f527289be5a99a51e49e92", kill_on_drop: false }`
[INFO] [stdout] 2cc3d0968064f912da08f76b695e1d1afe9b7e01a0f527289be5a99a51e49e92