[INFO] cloning repository VentGrey/rust-practices-2
[INFO] running `"git" "clone" "--bare" "git://github.com/VentGrey/rust-practices-2.git" "work/cache/sources/gh/VentGrey/rust-practices-2"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/VentGrey/rust-practices-2'...
[INFO] running `"git" "clone" "work/cache/sources/gh/VentGrey/rust-practices-2" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/VentGrey/rust-practices-2"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/VentGrey/rust-practices-2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VentGrey/rust-practices-2" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/VentGrey/rust-practices-2"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/VentGrey/rust-practices-2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae271b50448a15b4e5e86023cf317e274903429f
[INFO] sha for GitHub repo VentGrey/rust-practices-2: ae271b50448a15b4e5e86023cf317e274903429f
[INFO] validating manifest of VentGrey/rust-practices-2 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 VentGrey/rust-practices-2 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 VentGrey/rust-practices-2
[INFO] finished frobbing VentGrey/rust-practices-2
[INFO] frobbed toml for VentGrey/rust-practices-2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/VentGrey/rust-practices-2/Cargo.toml
[INFO] started frobbing VentGrey/rust-practices-2
[INFO] finished frobbing VentGrey/rust-practices-2
[INFO] frobbed toml for VentGrey/rust-practices-2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/VentGrey/rust-practices-2/Cargo.toml
[INFO] crate VentGrey/rust-practices-2 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] 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 VentGrey/rust-practices-2 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/VentGrey/rust-practices-2:/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] e2ac616b21a726d8b01f862032c5ed1866b47851b4995700ba6f2617916059f6
[INFO] running `"docker" "start" "-a" "e2ac616b21a726d8b01f862032c5ed1866b47851b4995700ba6f2617916059f6"`
[INFO] [stderr]    Compiling easy-rust-2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "e2ac616b21a726d8b01f862032c5ed1866b47851b4995700ba6f2617916059f6"`
[INFO] running `"docker" "rm" "-f" "e2ac616b21a726d8b01f862032c5ed1866b47851b4995700ba6f2617916059f6"`
[INFO] [stdout] e2ac616b21a726d8b01f862032c5ed1866b47851b4995700ba6f2617916059f6
[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/VentGrey/rust-practices-2:/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] 68226169d22e9f61823dbaff35f406f28f79918cf91b1f5e385198dc4dc326ee
[INFO] running `"docker" "start" "-a" "68226169d22e9f61823dbaff35f406f28f79918cf91b1f5e385198dc4dc326ee"`
[INFO] [stderr]    Compiling easy-rust-2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "68226169d22e9f61823dbaff35f406f28f79918cf91b1f5e385198dc4dc326ee"`
[INFO] running `"docker" "rm" "-f" "68226169d22e9f61823dbaff35f406f28f79918cf91b1f5e385198dc4dc326ee"`
[INFO] [stdout] 68226169d22e9f61823dbaff35f406f28f79918cf91b1f5e385198dc4dc326ee
[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/VentGrey/rust-practices-2:/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] 6fce1bf7bea833c6143eba7fb3ccd4bf86ac8c959f4cfbed02c825488c1bc6ec
[INFO] running `"docker" "start" "-a" "6fce1bf7bea833c6143eba7fb3ccd4bf86ac8c959f4cfbed02c825488c1bc6ec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[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] [stderr]      Running /opt/crater/target/debug/deps/easy_rust_2-3be858d08e5f7b41
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-ca288c8db52efea3
[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] [stderr]    Doc-tests easy-rust-2
[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" "6fce1bf7bea833c6143eba7fb3ccd4bf86ac8c959f4cfbed02c825488c1bc6ec"`
[INFO] running `"docker" "rm" "-f" "6fce1bf7bea833c6143eba7fb3ccd4bf86ac8c959f4cfbed02c825488c1bc6ec"`
[INFO] [stdout] 6fce1bf7bea833c6143eba7fb3ccd4bf86ac8c959f4cfbed02c825488c1bc6ec