[INFO] updating cached repository stevedonovan/cargo-docgen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stevedonovan/cargo-docgen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stevedonovan/cargo-docgen" "work/ex/beta-1.38-1/sources/1.37.0/gh/stevedonovan/cargo-docgen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stevedonovan/cargo-docgen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stevedonovan/cargo-docgen" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stevedonovan/cargo-docgen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stevedonovan/cargo-docgen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3598d7173046cb4f4eabd780361d7acdd9126daf
[INFO] sha for GitHub repo stevedonovan/cargo-docgen: 3598d7173046cb4f4eabd780361d7acdd9126daf
[INFO] validating manifest of stevedonovan/cargo-docgen on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stevedonovan/cargo-docgen on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stevedonovan/cargo-docgen
[INFO] finished frobbing stevedonovan/cargo-docgen
[INFO] frobbed toml for stevedonovan/cargo-docgen written to work/ex/beta-1.38-1/sources/1.37.0/gh/stevedonovan/cargo-docgen/Cargo.toml
[INFO] started frobbing stevedonovan/cargo-docgen
[INFO] finished frobbing stevedonovan/cargo-docgen
[INFO] frobbed toml for stevedonovan/cargo-docgen written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stevedonovan/cargo-docgen/Cargo.toml
[INFO] crate stevedonovan/cargo-docgen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing stevedonovan/cargo-docgen against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stevedonovan/cargo-docgen:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ad1ad25fe5cbd109959f5a08dcf36e327d2e8af00cf914e862b7d5c648ab8944
[INFO] running `"docker" "start" "-a" "ad1ad25fe5cbd109959f5a08dcf36e327d2e8af00cf914e862b7d5c648ab8944"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lapp v0.3.0
[INFO] [stderr]    Compiling easy-shortcuts v0.2.0
[INFO] [stderr]    Compiling cargo-docgen v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `"docker" "inspect" "ad1ad25fe5cbd109959f5a08dcf36e327d2e8af00cf914e862b7d5c648ab8944"`
[INFO] running `"docker" "rm" "-f" "ad1ad25fe5cbd109959f5a08dcf36e327d2e8af00cf914e862b7d5c648ab8944"`
[INFO] [stdout] ad1ad25fe5cbd109959f5a08dcf36e327d2e8af00cf914e862b7d5c648ab8944
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stevedonovan/cargo-docgen:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e556c885d10161ebd8438e14e0c26ca05b75ac7158704fb91ebef456ea8f701e
[INFO] running `"docker" "start" "-a" "e556c885d10161ebd8438e14e0c26ca05b75ac7158704fb91ebef456ea8f701e"`
[INFO] [stderr]    Compiling cargo-docgen v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "e556c885d10161ebd8438e14e0c26ca05b75ac7158704fb91ebef456ea8f701e"`
[INFO] running `"docker" "rm" "-f" "e556c885d10161ebd8438e14e0c26ca05b75ac7158704fb91ebef456ea8f701e"`
[INFO] [stdout] e556c885d10161ebd8438e14e0c26ca05b75ac7158704fb91ebef456ea8f701e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stevedonovan/cargo-docgen:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c9863141f584956370861700f45fca3ed79e3462ad15bf710656125b86318cf8
[INFO] running `"docker" "start" "-a" "c9863141f584956370861700f45fca3ed79e3462ad15bf710656125b86318cf8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_docgen-10f32d30382d1efd
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c9863141f584956370861700f45fca3ed79e3462ad15bf710656125b86318cf8"`
[INFO] running `"docker" "rm" "-f" "c9863141f584956370861700f45fca3ed79e3462ad15bf710656125b86318cf8"`
[INFO] [stdout] c9863141f584956370861700f45fca3ed79e3462ad15bf710656125b86318cf8