[INFO] cloning repository iddar/rust_experiments
[INFO] running `"git" "clone" "--bare" "git://github.com/iddar/rust_experiments.git" "work/cache/sources/gh/iddar/rust_experiments"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/iddar/rust_experiments'...
[INFO] running `"git" "clone" "work/cache/sources/gh/iddar/rust_experiments" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/iddar/rust_experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/iddar/rust_experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iddar/rust_experiments" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/iddar/rust_experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/iddar/rust_experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9db2d7a8ebfb63d08ed4ae99b3143a7241b82265
[INFO] sha for GitHub repo iddar/rust_experiments: 9db2d7a8ebfb63d08ed4ae99b3143a7241b82265
[INFO] validating manifest of iddar/rust_experiments on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iddar/rust_experiments on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iddar/rust_experiments
[INFO] finished frobbing iddar/rust_experiments
[INFO] frobbed toml for iddar/rust_experiments written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/iddar/rust_experiments/Cargo.toml
[INFO] started frobbing iddar/rust_experiments
[INFO] finished frobbing iddar/rust_experiments
[INFO] frobbed toml for iddar/rust_experiments written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/iddar/rust_experiments/Cargo.toml
[INFO] crate iddar/rust_experiments already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking iddar/rust_experiments against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/iddar/rust_experiments:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 06380900d6cc59b0fdf698208de0d6379e4ca6635340c125c5529c9e4af54e18
[INFO] running `"docker" "start" "-a" "06380900d6cc59b0fdf698208de0d6379e4ca6635340c125c5529c9e4af54e18"`
[INFO] [stderr]     Checking first v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "06380900d6cc59b0fdf698208de0d6379e4ca6635340c125c5529c9e4af54e18"`
[INFO] running `"docker" "rm" "-f" "06380900d6cc59b0fdf698208de0d6379e4ca6635340c125c5529c9e4af54e18"`
[INFO] [stdout] 06380900d6cc59b0fdf698208de0d6379e4ca6635340c125c5529c9e4af54e18