[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/beta-1.37-6/sources/1.36.0/gh/dckc/snakes-ladders"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dckc/snakes-ladders'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dckc/snakes-ladders" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dckc/snakes-ladders"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dckc/snakes-ladders on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/dckc/snakes-ladders/Cargo.toml
[INFO] crate dckc/snakes-ladders already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dckc/snakes-ladders against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0a974dbbc0b3879ce4b28f208716f866f6542af8968eaa874d8588f3ac487482
[INFO] running `"docker" "start" "-a" "0a974dbbc0b3879ce4b28f208716f866f6542af8968eaa874d8588f3ac487482"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling assign4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "0a974dbbc0b3879ce4b28f208716f866f6542af8968eaa874d8588f3ac487482"`
[INFO] running `"docker" "rm" "-f" "0a974dbbc0b3879ce4b28f208716f866f6542af8968eaa874d8588f3ac487482"`
[INFO] [stdout] 0a974dbbc0b3879ce4b28f208716f866f6542af8968eaa874d8588f3ac487482
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] afbf20ef063f3799240e766964cde6e864ed2c7e8f652278e65bd50a7ed19a9a
[INFO] running `"docker" "start" "-a" "afbf20ef063f3799240e766964cde6e864ed2c7e8f652278e65bd50a7ed19a9a"`
[INFO] [stderr]    Compiling assign4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "afbf20ef063f3799240e766964cde6e864ed2c7e8f652278e65bd50a7ed19a9a"`
[INFO] running `"docker" "rm" "-f" "afbf20ef063f3799240e766964cde6e864ed2c7e8f652278e65bd50a7ed19a9a"`
[INFO] [stdout] afbf20ef063f3799240e766964cde6e864ed2c7e8f652278e65bd50a7ed19a9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9ecbd6d597477e08870ffc354d2100a3a4f0820ac3b7b8c842063488c38f789c
[INFO] running `"docker" "start" "-a" "9ecbd6d597477e08870ffc354d2100a3a4f0820ac3b7b8c842063488c38f789c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/assign4-ca342d21189401b8
[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" "9ecbd6d597477e08870ffc354d2100a3a4f0820ac3b7b8c842063488c38f789c"`
[INFO] running `"docker" "rm" "-f" "9ecbd6d597477e08870ffc354d2100a3a4f0820ac3b7b8c842063488c38f789c"`
[INFO] [stdout] 9ecbd6d597477e08870ffc354d2100a3a4f0820ac3b7b8c842063488c38f789c