[INFO] cloning repository nicmr/rustycells
[INFO] running `"git" "clone" "--bare" "git://github.com/nicmr/rustycells.git" "work/cache/sources/gh/nicmr/rustycells"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/nicmr/rustycells'...
[INFO] running `"git" "clone" "work/cache/sources/gh/nicmr/rustycells" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/nicmr/rustycells"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/nicmr/rustycells'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nicmr/rustycells" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/nicmr/rustycells"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/nicmr/rustycells'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a9b25fc5e68d13f09859de54323cbc3f339240b
[INFO] sha for GitHub repo nicmr/rustycells: 9a9b25fc5e68d13f09859de54323cbc3f339240b
[INFO] validating manifest of nicmr/rustycells 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 nicmr/rustycells 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 nicmr/rustycells
[INFO] finished frobbing nicmr/rustycells
[INFO] frobbed toml for nicmr/rustycells written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/nicmr/rustycells/Cargo.toml
[INFO] started frobbing nicmr/rustycells
[INFO] finished frobbing nicmr/rustycells
[INFO] frobbed toml for nicmr/rustycells written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/nicmr/rustycells/Cargo.toml
[INFO] crate nicmr/rustycells 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 nicmr/rustycells against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/nicmr/rustycells:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7b08ac54396c615e486cbb8dd28f490bb511c25967231d32ec94554e47ba399e
[INFO] running `"docker" "start" "-a" "7b08ac54396c615e486cbb8dd28f490bb511c25967231d32ec94554e47ba399e"`
[INFO] [stderr]     Checking rustycells v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "7b08ac54396c615e486cbb8dd28f490bb511c25967231d32ec94554e47ba399e"`
[INFO] running `"docker" "rm" "-f" "7b08ac54396c615e486cbb8dd28f490bb511c25967231d32ec94554e47ba399e"`
[INFO] [stdout] 7b08ac54396c615e486cbb8dd28f490bb511c25967231d32ec94554e47ba399e