[INFO] cloning repository Kobzol/rust-tutorial [INFO] running `"git" "clone" "--bare" "git://github.com/Kobzol/rust-tutorial.git" "work/cache/sources/gh/Kobzol/rust-tutorial"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Kobzol/rust-tutorial'... [INFO] running `"git" "clone" "work/cache/sources/gh/Kobzol/rust-tutorial" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Kobzol/rust-tutorial"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Kobzol/rust-tutorial'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Kobzol/rust-tutorial" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Kobzol/rust-tutorial"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Kobzol/rust-tutorial'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 154bee3f85afeec6838651b488f21a837350a132 [INFO] sha for GitHub repo Kobzol/rust-tutorial: 154bee3f85afeec6838651b488f21a837350a132 [INFO] validating manifest of Kobzol/rust-tutorial 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 Kobzol/rust-tutorial 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 Kobzol/rust-tutorial [INFO] finished frobbing Kobzol/rust-tutorial [INFO] frobbed toml for Kobzol/rust-tutorial written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Kobzol/rust-tutorial/Cargo.toml [INFO] started frobbing Kobzol/rust-tutorial [INFO] finished frobbing Kobzol/rust-tutorial [INFO] frobbed toml for Kobzol/rust-tutorial written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Kobzol/rust-tutorial/Cargo.toml [INFO] crate Kobzol/rust-tutorial 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 Kobzol/rust-tutorial against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Kobzol/rust-tutorial:/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] 9cf45378fc464625e898965075d4fbf5746edf8b12ab816fe8924a87624f8b5e [INFO] running `"docker" "start" "-a" "9cf45378fc464625e898965075d4fbf5746edf8b12ab816fe8924a87624f8b5e"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking book v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `"docker" "inspect" "9cf45378fc464625e898965075d4fbf5746edf8b12ab816fe8924a87624f8b5e"` [INFO] running `"docker" "rm" "-f" "9cf45378fc464625e898965075d4fbf5746edf8b12ab816fe8924a87624f8b5e"` [INFO] [stdout] 9cf45378fc464625e898965075d4fbf5746edf8b12ab816fe8924a87624f8b5e