[INFO] cloning repository cstroe/grrs-example
[INFO] running `"git" "clone" "--bare" "git://github.com/cstroe/grrs-example.git" "work/cache/sources/gh/cstroe/grrs-example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cstroe/grrs-example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/cstroe/grrs-example" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cstroe/grrs-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cstroe/grrs-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cstroe/grrs-example" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/cstroe/grrs-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/cstroe/grrs-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b784a08efb971e7f1836537058b719bad0a6b94
[INFO] sha for GitHub repo cstroe/grrs-example: 3b784a08efb971e7f1836537058b719bad0a6b94
[INFO] validating manifest of cstroe/grrs-example on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cstroe/grrs-example on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cstroe/grrs-example
[INFO] finished frobbing cstroe/grrs-example
[INFO] frobbed toml for cstroe/grrs-example written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cstroe/grrs-example/Cargo.toml
[INFO] started frobbing cstroe/grrs-example
[INFO] finished frobbing cstroe/grrs-example
[INFO] frobbed toml for cstroe/grrs-example written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/cstroe/grrs-example/Cargo.toml
[INFO] crate cstroe/grrs-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cstroe/grrs-example against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/cstroe/grrs-example:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 50d401414e406751fe11ba55969526ab996caad0f2c81ec9a99240c0f045bf35
[INFO] running `"docker" "start" "-a" "50d401414e406751fe11ba55969526ab996caad0f2c81ec9a99240c0f045bf35"`
[INFO] [stderr]     Checking backtrace v0.3.20
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking grrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `"docker" "inspect" "50d401414e406751fe11ba55969526ab996caad0f2c81ec9a99240c0f045bf35"`
[INFO] running `"docker" "rm" "-f" "50d401414e406751fe11ba55969526ab996caad0f2c81ec9a99240c0f045bf35"`
[INFO] [stdout] 50d401414e406751fe11ba55969526ab996caad0f2c81ec9a99240c0f045bf35