[INFO] fetching crate tupletools 0.3.0...
[INFO] testing tupletools-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tupletools 0.3.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate tupletools 0.3.0 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 tupletools 0.3.0
[INFO] finished tweaking crates.io crate tupletools 0.3.0
[INFO] tweaked toml for crates.io crate tupletools 0.3.0 written to /workspace/builds/worker-76/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 74a299d320b3448afdaf0afc3a56d856c61e09379f41ead706d429d7ee629080
[INFO] running `Command { std: "docker" "start" "-a" "74a299d320b3448afdaf0afc3a56d856c61e09379f41ead706d429d7ee629080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a299d320b3448afdaf0afc3a56d856c61e09379f41ead706d429d7ee629080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a299d320b3448afdaf0afc3a56d856c61e09379f41ead706d429d7ee629080", kill_on_drop: false }`
[INFO] [stdout] 74a299d320b3448afdaf0afc3a56d856c61e09379f41ead706d429d7ee629080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] f4a4f961b6a66cfc481cacc0c9d7b8c383e4402ef9f8fab350217a4310768d67
[INFO] running `Command { std: "docker" "start" "-a" "f4a4f961b6a66cfc481cacc0c9d7b8c383e4402ef9f8fab350217a4310768d67", kill_on_drop: false }`
[INFO] [stderr]    Compiling tupletools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "f4a4f961b6a66cfc481cacc0c9d7b8c383e4402ef9f8fab350217a4310768d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a4f961b6a66cfc481cacc0c9d7b8c383e4402ef9f8fab350217a4310768d67", kill_on_drop: false }`
[INFO] [stdout] f4a4f961b6a66cfc481cacc0c9d7b8c383e4402ef9f8fab350217a4310768d67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] eb54154bc38d1fd60b9f94c605e9197f34672b8ededcca6158ce950d1cd2bf97
[INFO] running `Command { std: "docker" "start" "-a" "eb54154bc38d1fd60b9f94c605e9197f34672b8ededcca6158ce950d1cd2bf97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tupletools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "eb54154bc38d1fd60b9f94c605e9197f34672b8ededcca6158ce950d1cd2bf97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb54154bc38d1fd60b9f94c605e9197f34672b8ededcca6158ce950d1cd2bf97", kill_on_drop: false }`
[INFO] [stdout] eb54154bc38d1fd60b9f94c605e9197f34672b8ededcca6158ce950d1cd2bf97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 733da01a1f73d0444796daeb3af25ca74c785809787f645ad90d0cf44cf16a77
[INFO] running `Command { std: "docker" "start" "-a" "733da01a1f73d0444796daeb3af25ca74c785809787f645ad90d0cf44cf16a77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tupletools-b36978c2bfdc460a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::add ... ok
[INFO] [stdout] test tests::sub ... ok
[INFO] [stdout] test tests::cast_one_to_one ... ok
[INFO] [stdout] test tests::div ... ok
[INFO] [stdout] test tests::fst_test ... ok
[INFO] [stdout] test tests::snd_test ... ok
[INFO] [stdout] test tests::trd_test ... ok
[INFO] [stdout] test tests::mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tupletools
[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" "733da01a1f73d0444796daeb3af25ca74c785809787f645ad90d0cf44cf16a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733da01a1f73d0444796daeb3af25ca74c785809787f645ad90d0cf44cf16a77", kill_on_drop: false }`
[INFO] [stdout] 733da01a1f73d0444796daeb3af25ca74c785809787f645ad90d0cf44cf16a77