[INFO] cloning repository https://github.com/wfraser/lcd-pcf8574
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wfraser/lcd-pcf8574" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Flcd-pcf8574", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Flcd-pcf8574'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f6abea6350845fa80258c8cb03c60bdd79c3ea
[INFO] testing wfraser/lcd-pcf8574 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Flcd-pcf8574" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/lcd-pcf8574 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 git repo https://github.com/wfraser/lcd-pcf8574
[INFO] finished tweaking git repo https://github.com/wfraser/lcd-pcf8574
[INFO] tweaked toml for git repo https://github.com/wfraser/lcd-pcf8574 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wfraser/lcd-pcf8574 already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0489a1f6d01fe652bcc060b117cbab06766e0db1b5c770d0b3294fd875c3a1b0
[INFO] running `Command { std: "docker" "start" "-a" "0489a1f6d01fe652bcc060b117cbab06766e0db1b5c770d0b3294fd875c3a1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0489a1f6d01fe652bcc060b117cbab06766e0db1b5c770d0b3294fd875c3a1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0489a1f6d01fe652bcc060b117cbab06766e0db1b5c770d0b3294fd875c3a1b0", kill_on_drop: false }`
[INFO] [stdout] 0489a1f6d01fe652bcc060b117cbab06766e0db1b5c770d0b3294fd875c3a1b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3f91bd3d47372e73e52e20d83defa1e0eef1b933f64c9ac74bd2382cd3934f18
[INFO] running `Command { std: "docker" "start" "-a" "3f91bd3d47372e73e52e20d83defa1e0eef1b933f64c9ac74bd2382cd3934f18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lcd v0.4.0-alpha.0 (https://github.com/wfraser/lcd#76fdfc4a)
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling lcd-pcf8574 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.17s
[INFO] running `Command { std: "docker" "inspect" "3f91bd3d47372e73e52e20d83defa1e0eef1b933f64c9ac74bd2382cd3934f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f91bd3d47372e73e52e20d83defa1e0eef1b933f64c9ac74bd2382cd3934f18", kill_on_drop: false }`
[INFO] [stdout] 3f91bd3d47372e73e52e20d83defa1e0eef1b933f64c9ac74bd2382cd3934f18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3891413e36382197e5c4989caf8e7c6e3a810e308634397b65f7cb8f6cd1db07
[INFO] running `Command { std: "docker" "start" "-a" "3891413e36382197e5c4989caf8e7c6e3a810e308634397b65f7cb8f6cd1db07", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcd-pcf8574 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "3891413e36382197e5c4989caf8e7c6e3a810e308634397b65f7cb8f6cd1db07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3891413e36382197e5c4989caf8e7c6e3a810e308634397b65f7cb8f6cd1db07", kill_on_drop: false }`
[INFO] [stdout] 3891413e36382197e5c4989caf8e7c6e3a810e308634397b65f7cb8f6cd1db07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 952c75f6eed4a47cee431d07decf2c74df8ea8cce174cbf98e2edcd15a93aac4
[INFO] running `Command { std: "docker" "start" "-a" "952c75f6eed4a47cee431d07decf2c74df8ea8cce174cbf98e2edcd15a93aac4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lcd_pcf8574-4afd9eb82b87b0be)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lcd-pcf8574
[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] [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" "952c75f6eed4a47cee431d07decf2c74df8ea8cce174cbf98e2edcd15a93aac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952c75f6eed4a47cee431d07decf2c74df8ea8cce174cbf98e2edcd15a93aac4", kill_on_drop: false }`
[INFO] [stdout] 952c75f6eed4a47cee431d07decf2c74df8ea8cce174cbf98e2edcd15a93aac4