[INFO] updating cached repository volks73/groom
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/volks73/groom
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/volks73/groom" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/volks73/groom"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/volks73/groom'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/volks73/groom" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/volks73/groom"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/volks73/groom'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f495906323a9804f4d37e06abb43745c3b0547d3
[INFO] sha for GitHub repo volks73/groom: f495906323a9804f4d37e06abb43745c3b0547d3
[INFO] validating manifest of volks73/groom on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of volks73/groom on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing volks73/groom
[INFO] finished frobbing volks73/groom
[INFO] frobbed toml for volks73/groom written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/volks73/groom/Cargo.toml
[INFO] started frobbing volks73/groom
[INFO] finished frobbing volks73/groom
[INFO] frobbed toml for volks73/groom written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/volks73/groom/Cargo.toml
[INFO] crate volks73/groom has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building volks73/groom against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/volks73/groom:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] acc63d779b837f0e66371cea8ded9b8cf53e7a157b8d2040638bdf2939897f36
[INFO] running `"docker" "start" "-a" "acc63d779b837f0e66371cea8ded9b8cf53e7a157b8d2040638bdf2939897f36"`
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling Groom v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling clap v2.29.4
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling loggerv v0.6.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.67s
[INFO] running `"docker" "inspect" "acc63d779b837f0e66371cea8ded9b8cf53e7a157b8d2040638bdf2939897f36"`
[INFO] running `"docker" "rm" "-f" "acc63d779b837f0e66371cea8ded9b8cf53e7a157b8d2040638bdf2939897f36"`
[INFO] [stdout] acc63d779b837f0e66371cea8ded9b8cf53e7a157b8d2040638bdf2939897f36
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/volks73/groom:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 385dd8a3c93292f14046728035b08d4ff545876339b955f95b7fe9986e36a4e7
[INFO] running `"docker" "start" "-a" "385dd8a3c93292f14046728035b08d4ff545876339b955f95b7fe9986e36a4e7"`
[INFO] [stderr]    Compiling Groom v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "385dd8a3c93292f14046728035b08d4ff545876339b955f95b7fe9986e36a4e7"`
[INFO] running `"docker" "rm" "-f" "385dd8a3c93292f14046728035b08d4ff545876339b955f95b7fe9986e36a4e7"`
[INFO] [stdout] 385dd8a3c93292f14046728035b08d4ff545876339b955f95b7fe9986e36a4e7