[INFO] cloning repository xithiox/collatz
[INFO] running `"git" "clone" "--bare" "git://github.com/xithiox/collatz.git" "work/cache/sources/gh/xithiox/collatz"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/xithiox/collatz'...
[INFO] running `"git" "clone" "work/cache/sources/gh/xithiox/collatz" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/xithiox/collatz"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/xithiox/collatz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xithiox/collatz" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/xithiox/collatz"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/xithiox/collatz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b26b8f2c51584e7827136eb02d5380b8de48d35
[INFO] sha for GitHub repo xithiox/collatz: 3b26b8f2c51584e7827136eb02d5380b8de48d35
[INFO] validating manifest of xithiox/collatz 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 xithiox/collatz 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 xithiox/collatz
[INFO] finished frobbing xithiox/collatz
[INFO] frobbed toml for xithiox/collatz written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/xithiox/collatz/Cargo.toml
[INFO] started frobbing xithiox/collatz
[INFO] finished frobbing xithiox/collatz
[INFO] frobbed toml for xithiox/collatz written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/xithiox/collatz/Cargo.toml
[INFO] crate xithiox/collatz 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] testing xithiox/collatz against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/xithiox/collatz:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] ba668f214612f86b69309f25e08af412ee534ef6824c6c0ac9fef9301a215b57
[INFO] running `"docker" "start" "-a" "ba668f214612f86b69309f25e08af412ee534ef6824c6c0ac9fef9301a215b57"`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "ba668f214612f86b69309f25e08af412ee534ef6824c6c0ac9fef9301a215b57"`
[INFO] running `"docker" "rm" "-f" "ba668f214612f86b69309f25e08af412ee534ef6824c6c0ac9fef9301a215b57"`
[INFO] [stdout] ba668f214612f86b69309f25e08af412ee534ef6824c6c0ac9fef9301a215b57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/xithiox/collatz:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 80d6d7d56babedb7bf8d0a18d90749e3e0e181efc6012f8d8bd2a1c254c24579
[INFO] running `"docker" "start" "-a" "80d6d7d56babedb7bf8d0a18d90749e3e0e181efc6012f8d8bd2a1c254c24579"`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "80d6d7d56babedb7bf8d0a18d90749e3e0e181efc6012f8d8bd2a1c254c24579"`
[INFO] running `"docker" "rm" "-f" "80d6d7d56babedb7bf8d0a18d90749e3e0e181efc6012f8d8bd2a1c254c24579"`
[INFO] [stdout] 80d6d7d56babedb7bf8d0a18d90749e3e0e181efc6012f8d8bd2a1c254c24579
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/xithiox/collatz:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 4cd1319a23421f038506665ae808bb3216d2844387a6ea83ecdd42a474ecfd2a
[INFO] running `"docker" "start" "-a" "4cd1319a23421f038506665ae808bb3216d2844387a6ea83ecdd42a474ecfd2a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collatz-33b00728e31b2064
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::run_zero ... ok
[INFO] [stdout] test tests::run_number ... ok
[INFO] [stdout] test tests::process_odd ... ok
[INFO] [stdout] test tests::process_even ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collatz-095303f3edc4f162
[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 collatz
[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" "4cd1319a23421f038506665ae808bb3216d2844387a6ea83ecdd42a474ecfd2a"`
[INFO] running `"docker" "rm" "-f" "4cd1319a23421f038506665ae808bb3216d2844387a6ea83ecdd42a474ecfd2a"`
[INFO] [stdout] 4cd1319a23421f038506665ae808bb3216d2844387a6ea83ecdd42a474ecfd2a