[INFO] cloning repository alexthemitchell/rust-algorithms [INFO] running `"git" "clone" "--bare" "git://github.com/alexthemitchell/rust-algorithms.git" "work/cache/sources/gh/alexthemitchell/rust-algorithms"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/alexthemitchell/rust-algorithms'... [INFO] running `"git" "clone" "work/cache/sources/gh/alexthemitchell/rust-algorithms" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/alexthemitchell/rust-algorithms"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/alexthemitchell/rust-algorithms'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/alexthemitchell/rust-algorithms" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/alexthemitchell/rust-algorithms"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/alexthemitchell/rust-algorithms'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a6727abb0f845617726532c96c69870bf0622231 [INFO] sha for GitHub repo alexthemitchell/rust-algorithms: a6727abb0f845617726532c96c69870bf0622231 [INFO] validating manifest of alexthemitchell/rust-algorithms on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of alexthemitchell/rust-algorithms on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing alexthemitchell/rust-algorithms [INFO] finished frobbing alexthemitchell/rust-algorithms [INFO] frobbed toml for alexthemitchell/rust-algorithms written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/alexthemitchell/rust-algorithms/Cargo.toml [INFO] started frobbing alexthemitchell/rust-algorithms [INFO] finished frobbing alexthemitchell/rust-algorithms [INFO] frobbed toml for alexthemitchell/rust-algorithms written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/alexthemitchell/rust-algorithms/Cargo.toml [INFO] crate alexthemitchell/rust-algorithms has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking alexthemitchell/rust-algorithms against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/alexthemitchell/rust-algorithms:/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" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6441469e9647a5b8727085f93d57eebc5b0a0b42d89b53a6fe3cbd50ee1c755e [INFO] running `"docker" "start" "-a" "6441469e9647a5b8727085f93d57eebc5b0a0b42d89b53a6fe3cbd50ee1c755e"` [INFO] [stderr] Checking mai v0.0.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `"docker" "inspect" "6441469e9647a5b8727085f93d57eebc5b0a0b42d89b53a6fe3cbd50ee1c755e"` [INFO] running `"docker" "rm" "-f" "6441469e9647a5b8727085f93d57eebc5b0a0b42d89b53a6fe3cbd50ee1c755e"` [INFO] [stdout] 6441469e9647a5b8727085f93d57eebc5b0a0b42d89b53a6fe3cbd50ee1c755e