[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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/connors2015/rust-tutorial-chapter3"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/connors2015/rust-tutorial-chapter3'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/connors2015/rust-tutorial-chapter3" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/connors2015/rust-tutorial-chapter3"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of connors2015/rust-tutorial-chapter3 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing connors2015/rust-tutorial-chapter3 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/connors2015/rust-tutorial-chapter3:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] b93e8822a8d2025db2af0e5993e3ccdbd2effe0385ff016738c8169b3233576e
[INFO] running `"docker" "start" "-a" "b93e8822a8d2025db2af0e5993e3ccdbd2effe0385ff016738c8169b3233576e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling rust-tutorial-chapter3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `"docker" "inspect" "b93e8822a8d2025db2af0e5993e3ccdbd2effe0385ff016738c8169b3233576e"`
[INFO] running `"docker" "rm" "-f" "b93e8822a8d2025db2af0e5993e3ccdbd2effe0385ff016738c8169b3233576e"`
[INFO] [stdout] b93e8822a8d2025db2af0e5993e3ccdbd2effe0385ff016738c8169b3233576e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/connors2015/rust-tutorial-chapter3:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0ebd9ee717136cf1d45f1ce8a4c1526b273dd0050b41398008b5167169f9ad21
[INFO] running `"docker" "start" "-a" "0ebd9ee717136cf1d45f1ce8a4c1526b273dd0050b41398008b5167169f9ad21"`
[INFO] [stderr]    Compiling rust-tutorial-chapter3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "0ebd9ee717136cf1d45f1ce8a4c1526b273dd0050b41398008b5167169f9ad21"`
[INFO] running `"docker" "rm" "-f" "0ebd9ee717136cf1d45f1ce8a4c1526b273dd0050b41398008b5167169f9ad21"`
[INFO] [stdout] 0ebd9ee717136cf1d45f1ce8a4c1526b273dd0050b41398008b5167169f9ad21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/connors2015/rust-tutorial-chapter3:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 1f4b42a579530da568255f1dcb33866b5459bccd7abd176c79ddaa33fb4e4065
[INFO] running `"docker" "start" "-a" "1f4b42a579530da568255f1dcb33866b5459bccd7abd176c79ddaa33fb4e4065"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tutorial_chapter3-c564eebf484325db
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1f4b42a579530da568255f1dcb33866b5459bccd7abd176c79ddaa33fb4e4065"`
[INFO] running `"docker" "rm" "-f" "1f4b42a579530da568255f1dcb33866b5459bccd7abd176c79ddaa33fb4e4065"`
[INFO] [stdout] 1f4b42a579530da568255f1dcb33866b5459bccd7abd176c79ddaa33fb4e4065