[INFO] cloning repository connors2015/rust-tutorial-chapter3
[INFO] running `"git" "clone" "--bare" "git://github.com/connors2015/rust-tutorial-chapter3.git" "work/cache/sources/gh/connors2015/rust-tutorial-chapter3"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/connors2015/rust-tutorial-chapter3'...
[INFO] running `"git" "clone" "work/cache/sources/gh/connors2015/rust-tutorial-chapter3" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/connors2015/rust-tutorial-chapter3"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/connors2015/rust-tutorial-chapter3'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/connors2015/rust-tutorial-chapter3" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/connors2015/rust-tutorial-chapter3"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/connors2015/rust-tutorial-chapter3'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 559cac244fd777fdd17dedbf8211fa4cd769bcd2
[INFO] sha for GitHub repo connors2015/rust-tutorial-chapter3: 559cac244fd777fdd17dedbf8211fa4cd769bcd2
[INFO] validating manifest of connors2015/rust-tutorial-chapter3 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 connors2015/rust-tutorial-chapter3 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 connors2015/rust-tutorial-chapter3
[INFO] finished frobbing connors2015/rust-tutorial-chapter3
[INFO] frobbed toml for connors2015/rust-tutorial-chapter3 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/connors2015/rust-tutorial-chapter3/Cargo.toml
[INFO] started frobbing connors2015/rust-tutorial-chapter3
[INFO] finished frobbing connors2015/rust-tutorial-chapter3
[INFO] frobbed toml for connors2015/rust-tutorial-chapter3 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/connors2015/rust-tutorial-chapter3/Cargo.toml
[INFO] crate connors2015/rust-tutorial-chapter3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking connors2015/rust-tutorial-chapter3 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/connors2015/rust-tutorial-chapter3:/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] 79f9a95015bc1c8110e2b963f8a96a48b565d64a8fa2ba376fc8a5ccc5dcae67
[INFO] running `"docker" "start" "-a" "79f9a95015bc1c8110e2b963f8a96a48b565d64a8fa2ba376fc8a5ccc5dcae67"`
[INFO] [stderr]     Checking rust-tutorial-chapter3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "79f9a95015bc1c8110e2b963f8a96a48b565d64a8fa2ba376fc8a5ccc5dcae67"`
[INFO] running `"docker" "rm" "-f" "79f9a95015bc1c8110e2b963f8a96a48b565d64a8fa2ba376fc8a5ccc5dcae67"`
[INFO] [stdout] 79f9a95015bc1c8110e2b963f8a96a48b565d64a8fa2ba376fc8a5ccc5dcae67