[INFO] cloning repository f-jost/rust-experiment
[INFO] running `"git" "clone" "--bare" "git://github.com/f-jost/rust-experiment.git" "work/cache/sources/gh/f-jost/rust-experiment"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/f-jost/rust-experiment'...
[INFO] running `"git" "clone" "work/cache/sources/gh/f-jost/rust-experiment" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/f-jost/rust-experiment"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/f-jost/rust-experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/f-jost/rust-experiment" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/f-jost/rust-experiment"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/f-jost/rust-experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b732834d5231048f3f4e9babd8c514672477c41
[INFO] sha for GitHub repo f-jost/rust-experiment: 8b732834d5231048f3f4e9babd8c514672477c41
[INFO] validating manifest of f-jost/rust-experiment 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 f-jost/rust-experiment 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 f-jost/rust-experiment
[INFO] finished frobbing f-jost/rust-experiment
[INFO] frobbed toml for f-jost/rust-experiment written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/f-jost/rust-experiment/Cargo.toml
[INFO] started frobbing f-jost/rust-experiment
[INFO] finished frobbing f-jost/rust-experiment
[INFO] frobbed toml for f-jost/rust-experiment written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/f-jost/rust-experiment/Cargo.toml
[INFO] crate f-jost/rust-experiment 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 f-jost/rust-experiment against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/f-jost/rust-experiment:/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] 0686592af32fc13e8cafa8219edcecbc4a28d4e7862b20885bf6c3674e5d5a0a
[INFO] running `"docker" "start" "-a" "0686592af32fc13e8cafa8219edcecbc4a28d4e7862b20885bf6c3674e5d5a0a"`
[INFO] [stderr]     Checking rust_experiment v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "0686592af32fc13e8cafa8219edcecbc4a28d4e7862b20885bf6c3674e5d5a0a"`
[INFO] running `"docker" "rm" "-f" "0686592af32fc13e8cafa8219edcecbc4a28d4e7862b20885bf6c3674e5d5a0a"`
[INFO] [stdout] 0686592af32fc13e8cafa8219edcecbc4a28d4e7862b20885bf6c3674e5d5a0a