[INFO] updating cached repository dckc/snakes-ladders
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dckc/snakes-ladders
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dckc/snakes-ladders" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/dckc/snakes-ladders"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/dckc/snakes-ladders'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dckc/snakes-ladders" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dckc/snakes-ladders"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dckc/snakes-ladders'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fea15b696ffd3eabcea308a679d6f857a29588f7
[INFO] sha for GitHub repo dckc/snakes-ladders: fea15b696ffd3eabcea308a679d6f857a29588f7
[INFO] validating manifest of dckc/snakes-ladders on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dckc/snakes-ladders on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dckc/snakes-ladders
[INFO] finished frobbing dckc/snakes-ladders
[INFO] frobbed toml for dckc/snakes-ladders written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/dckc/snakes-ladders/Cargo.toml
[INFO] started frobbing dckc/snakes-ladders
[INFO] finished frobbing dckc/snakes-ladders
[INFO] frobbed toml for dckc/snakes-ladders written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dckc/snakes-ladders/Cargo.toml
[INFO] crate dckc/snakes-ladders has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dckc/snakes-ladders against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dckc/snakes-ladders:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 444a9baedf231840631a9eb0651e84611b85fcfc3b72f043ff4fa553aefda423
[INFO] running `"docker" "start" "-a" "444a9baedf231840631a9eb0651e84611b85fcfc3b72f043ff4fa553aefda423"`
[INFO] [stderr]    Compiling assign4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "444a9baedf231840631a9eb0651e84611b85fcfc3b72f043ff4fa553aefda423"`
[INFO] running `"docker" "rm" "-f" "444a9baedf231840631a9eb0651e84611b85fcfc3b72f043ff4fa553aefda423"`
[INFO] [stdout] 444a9baedf231840631a9eb0651e84611b85fcfc3b72f043ff4fa553aefda423
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dckc/snakes-ladders:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7e6528df97f0bef551673208bf9be6f906d63546dcdee2d969ef8e0e843141f9
[INFO] running `"docker" "start" "-a" "7e6528df97f0bef551673208bf9be6f906d63546dcdee2d969ef8e0e843141f9"`
[INFO] [stderr]    Compiling assign4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "7e6528df97f0bef551673208bf9be6f906d63546dcdee2d969ef8e0e843141f9"`
[INFO] running `"docker" "rm" "-f" "7e6528df97f0bef551673208bf9be6f906d63546dcdee2d969ef8e0e843141f9"`
[INFO] [stdout] 7e6528df97f0bef551673208bf9be6f906d63546dcdee2d969ef8e0e843141f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dckc/snakes-ladders:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 13b5026aa727b278c83aae2c5eb576574b93a3e7a514247fa94b61dbd9bafb7d
[INFO] running `"docker" "start" "-a" "13b5026aa727b278c83aae2c5eb576574b93a3e7a514247fa94b61dbd9bafb7d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/assign4-1ffc55f6ac82dac8
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::command_parse1 ... ok
[INFO] [stdout] test test::parse_sample_input ... ok
[INFO] [stdout] test test::make_sample_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "13b5026aa727b278c83aae2c5eb576574b93a3e7a514247fa94b61dbd9bafb7d"`
[INFO] running `"docker" "rm" "-f" "13b5026aa727b278c83aae2c5eb576574b93a3e7a514247fa94b61dbd9bafb7d"`
[INFO] [stdout] 13b5026aa727b278c83aae2c5eb576574b93a3e7a514247fa94b61dbd9bafb7d