[INFO] cloning repository https://github.com/brson/piddle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/piddle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5084b2af9a79df63ec4a9be9e64d43e9cb607ba5
[INFO] testing brson/piddle against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brson/piddle 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/brson/piddle
[INFO] finished tweaking git repo https://github.com/brson/piddle
[INFO] tweaked toml for git repo https://github.com/brson/piddle written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/brson/piddle 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 82da2f9e640fab549e6544eaebf68e97ffe569b7a4bea4f83f163512272dd5ab
[INFO] running `Command { std: "docker" "start" "-a" "82da2f9e640fab549e6544eaebf68e97ffe569b7a4bea4f83f163512272dd5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82da2f9e640fab549e6544eaebf68e97ffe569b7a4bea4f83f163512272dd5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82da2f9e640fab549e6544eaebf68e97ffe569b7a4bea4f83f163512272dd5ab", kill_on_drop: false }`
[INFO] [stdout] 82da2f9e640fab549e6544eaebf68e97ffe569b7a4bea4f83f163512272dd5ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] eae3addf99a8e9650f65f548f6e895a619c2b2eeccc65ab93d113a1a72c6cded
[INFO] running `Command { std: "docker" "start" "-a" "eae3addf99a8e9650f65f548f6e895a619c2b2eeccc65ab93d113a1a72c6cded", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.22.1
[INFO] [stderr]    Compiling fd-lock v3.0.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling hecs v0.6.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling string-interner v0.13.0
[INFO] [stderr]    Compiling rustyline v9.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling piddle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.34s
[INFO] running `Command { std: "docker" "inspect" "eae3addf99a8e9650f65f548f6e895a619c2b2eeccc65ab93d113a1a72c6cded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae3addf99a8e9650f65f548f6e895a619c2b2eeccc65ab93d113a1a72c6cded", kill_on_drop: false }`
[INFO] [stdout] eae3addf99a8e9650f65f548f6e895a619c2b2eeccc65ab93d113a1a72c6cded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 417a6e2ab4261b1699f2cb50959b13cbb512eb338b4e258453d1fd891ff4cc5a
[INFO] running `Command { std: "docker" "start" "-a" "417a6e2ab4261b1699f2cb50959b13cbb512eb338b4e258453d1fd891ff4cc5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling piddle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "417a6e2ab4261b1699f2cb50959b13cbb512eb338b4e258453d1fd891ff4cc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417a6e2ab4261b1699f2cb50959b13cbb512eb338b4e258453d1fd891ff4cc5a", kill_on_drop: false }`
[INFO] [stdout] 417a6e2ab4261b1699f2cb50959b13cbb512eb338b4e258453d1fd891ff4cc5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] bce2ba8c5bb674546e21c0e64cde5bf2d9b6b5f6ac49a30969672f1fc6ee83b4
[INFO] running `Command { std: "docker" "start" "-a" "bce2ba8c5bb674546e21c0e64cde5bf2d9b6b5f6ac49a30969672f1fc6ee83b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/piddle-747c78bebf260917)
[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" "bce2ba8c5bb674546e21c0e64cde5bf2d9b6b5f6ac49a30969672f1fc6ee83b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce2ba8c5bb674546e21c0e64cde5bf2d9b6b5f6ac49a30969672f1fc6ee83b4", kill_on_drop: false }`
[INFO] [stdout] bce2ba8c5bb674546e21c0e64cde5bf2d9b6b5f6ac49a30969672f1fc6ee83b4