[INFO] fetching crate tuple-transpose 0.1.0...
[INFO] testing tuple-transpose-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tuple-transpose 0.1.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate tuple-transpose 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 tuple-transpose 0.1.0
[INFO] finished tweaking crates.io crate tuple-transpose 0.1.0
[INFO] tweaked toml for crates.io crate tuple-transpose 0.1.0 written to /workspace/builds/worker-82/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 99a3b1dd8c8fe334a73f54cc47d7cd888e735e9df8b47b17e0256c59ccf5f08c
[INFO] running `Command { std: "docker" "start" "-a" "99a3b1dd8c8fe334a73f54cc47d7cd888e735e9df8b47b17e0256c59ccf5f08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a3b1dd8c8fe334a73f54cc47d7cd888e735e9df8b47b17e0256c59ccf5f08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a3b1dd8c8fe334a73f54cc47d7cd888e735e9df8b47b17e0256c59ccf5f08c", kill_on_drop: false }`
[INFO] [stdout] 99a3b1dd8c8fe334a73f54cc47d7cd888e735e9df8b47b17e0256c59ccf5f08c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 5103f527e981c2bc8593f093b46a139de9f01e0e26f73b7fc582b26e123962cd
[INFO] running `Command { std: "docker" "start" "-a" "5103f527e981c2bc8593f093b46a139de9f01e0e26f73b7fc582b26e123962cd", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tuple-transpose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "5103f527e981c2bc8593f093b46a139de9f01e0e26f73b7fc582b26e123962cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5103f527e981c2bc8593f093b46a139de9f01e0e26f73b7fc582b26e123962cd", kill_on_drop: false }`
[INFO] [stdout] 5103f527e981c2bc8593f093b46a139de9f01e0e26f73b7fc582b26e123962cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 9d97e522d3c3918719bc05e14d9340ab89db8cb55904c53c20407c56a722d80b
[INFO] running `Command { std: "docker" "start" "-a" "9d97e522d3c3918719bc05e14d9340ab89db8cb55904c53c20407c56a722d80b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuple-transpose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "9d97e522d3c3918719bc05e14d9340ab89db8cb55904c53c20407c56a722d80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d97e522d3c3918719bc05e14d9340ab89db8cb55904c53c20407c56a722d80b", kill_on_drop: false }`
[INFO] [stdout] 9d97e522d3c3918719bc05e14d9340ab89db8cb55904c53c20407c56a722d80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 43abfbf7f2c9b3579241222b20de7d364a6220a7ab62e4303106f6a44a8114b2
[INFO] running `Command { std: "docker" "start" "-a" "43abfbf7f2c9b3579241222b20de7d364a6220a7ab62e4303106f6a44a8114b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tuple_transpose-8760838c64227ee0)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_err_ok ... ok
[INFO] [stdout] test tests::test_none_some ... ok
[INFO] [stdout] test tests::test_ok_err ... ok
[INFO] [stdout] test tests::test_ok_ok ... ok
[INFO] [stdout] test tests::test_some_none ... ok
[INFO] [stdout] test tests::test_some_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tuple-transpose
[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" "43abfbf7f2c9b3579241222b20de7d364a6220a7ab62e4303106f6a44a8114b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43abfbf7f2c9b3579241222b20de7d364a6220a7ab62e4303106f6a44a8114b2", kill_on_drop: false }`
[INFO] [stdout] 43abfbf7f2c9b3579241222b20de7d364a6220a7ab62e4303106f6a44a8114b2