[INFO] cloning repository https://github.com/creativcoder/cargo-docco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/creativcoder/cargo-docco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreativcoder%2Fcargo-docco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreativcoder%2Fcargo-docco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4533d0fec601467d5c7ddecf4c8a96adf26cce2
[INFO] testing creativcoder/cargo-docco against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreativcoder%2Fcargo-docco" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/creativcoder/cargo-docco 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/creativcoder/cargo-docco
[INFO] finished tweaking git repo https://github.com/creativcoder/cargo-docco
[INFO] tweaked toml for git repo https://github.com/creativcoder/cargo-docco written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/creativcoder/cargo-docco 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d9e61a328f44c5b084f456ad98b98f1cbed6af79df4a675107cd8bc93e1994bf
[INFO] running `Command { std: "docker" "start" "-a" "d9e61a328f44c5b084f456ad98b98f1cbed6af79df4a675107cd8bc93e1994bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9e61a328f44c5b084f456ad98b98f1cbed6af79df4a675107cd8bc93e1994bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e61a328f44c5b084f456ad98b98f1cbed6af79df4a675107cd8bc93e1994bf", kill_on_drop: false }`
[INFO] [stdout] d9e61a328f44c5b084f456ad98b98f1cbed6af79df4a675107cd8bc93e1994bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f0f4c8572104c97978750cbc1f3fd4f4cd876028ea1845ed69f9229cf099c0fd
[INFO] running `Command { std: "docker" "start" "-a" "f0f4c8572104c97978750cbc1f3fd4f4cd876028ea1845ed69f9229cf099c0fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]    Compiling const-random v0.1.11
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling ramhorns-derive v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling comrak v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling ramhorns v0.10.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling rocco v0.1.0
[INFO] [stderr]    Compiling cargo-docco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.09s
[INFO] running `Command { std: "docker" "inspect" "f0f4c8572104c97978750cbc1f3fd4f4cd876028ea1845ed69f9229cf099c0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f4c8572104c97978750cbc1f3fd4f4cd876028ea1845ed69f9229cf099c0fd", kill_on_drop: false }`
[INFO] [stdout] f0f4c8572104c97978750cbc1f3fd4f4cd876028ea1845ed69f9229cf099c0fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a13c217f8e445d8c10f219eebe8f9c49ef7146ab65877cdc2feeaa916cdbfd06
[INFO] running `Command { std: "docker" "start" "-a" "a13c217f8e445d8c10f219eebe8f9c49ef7146ab65877cdc2feeaa916cdbfd06", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-docco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a13c217f8e445d8c10f219eebe8f9c49ef7146ab65877cdc2feeaa916cdbfd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13c217f8e445d8c10f219eebe8f9c49ef7146ab65877cdc2feeaa916cdbfd06", kill_on_drop: false }`
[INFO] [stdout] a13c217f8e445d8c10f219eebe8f9c49ef7146ab65877cdc2feeaa916cdbfd06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] fe6180b36e3e6a49cb486c49ff3fbba5270a2d4dfd8f519cfc8f2d0b6a0bbcf2
[INFO] running `Command { std: "docker" "start" "-a" "fe6180b36e3e6a49cb486c49ff3fbba5270a2d4dfd8f519cfc8f2d0b6a0bbcf2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_docco-62e61dc7708b6afc)
[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" "fe6180b36e3e6a49cb486c49ff3fbba5270a2d4dfd8f519cfc8f2d0b6a0bbcf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6180b36e3e6a49cb486c49ff3fbba5270a2d4dfd8f519cfc8f2d0b6a0bbcf2", kill_on_drop: false }`
[INFO] [stdout] fe6180b36e3e6a49cb486c49ff3fbba5270a2d4dfd8f519cfc8f2d0b6a0bbcf2