[INFO] updating cached repository mlevesquedion/stack_set
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mlevesquedion/stack_set
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mlevesquedion/stack_set" "work/ex/beta-1.38-1/sources/1.37.0/gh/mlevesquedion/stack_set"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mlevesquedion/stack_set'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mlevesquedion/stack_set" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlevesquedion/stack_set"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlevesquedion/stack_set'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13f767956d0fdb26ca60097bd4aa54a779356e85
[INFO] sha for GitHub repo mlevesquedion/stack_set: 13f767956d0fdb26ca60097bd4aa54a779356e85
[INFO] validating manifest of mlevesquedion/stack_set on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mlevesquedion/stack_set on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mlevesquedion/stack_set
[INFO] finished frobbing mlevesquedion/stack_set
[INFO] frobbed toml for mlevesquedion/stack_set written to work/ex/beta-1.38-1/sources/1.37.0/gh/mlevesquedion/stack_set/Cargo.toml
[INFO] started frobbing mlevesquedion/stack_set
[INFO] finished frobbing mlevesquedion/stack_set
[INFO] frobbed toml for mlevesquedion/stack_set written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlevesquedion/stack_set/Cargo.toml
[INFO] crate mlevesquedion/stack_set already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mlevesquedion/stack_set against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlevesquedion/stack_set:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4d27514e1e1676472695e4914a921458b15de171f05ea2368335f403d581f42b
[INFO] running `"docker" "start" "-a" "4d27514e1e1676472695e4914a921458b15de171f05ea2368335f403d581f42b"`
[INFO] [stderr]    Compiling next_prime v0.1.1
[INFO] [stderr]    Compiling stack_set v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "4d27514e1e1676472695e4914a921458b15de171f05ea2368335f403d581f42b"`
[INFO] running `"docker" "rm" "-f" "4d27514e1e1676472695e4914a921458b15de171f05ea2368335f403d581f42b"`
[INFO] [stdout] 4d27514e1e1676472695e4914a921458b15de171f05ea2368335f403d581f42b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlevesquedion/stack_set:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5fcb6de9ea9a497f17cbd17f8fd1a2917007741fc1d347379fda4faf7df5443e
[INFO] running `"docker" "start" "-a" "5fcb6de9ea9a497f17cbd17f8fd1a2917007741fc1d347379fda4faf7df5443e"`
[INFO] [stderr]    Compiling stack_set v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "5fcb6de9ea9a497f17cbd17f8fd1a2917007741fc1d347379fda4faf7df5443e"`
[INFO] running `"docker" "rm" "-f" "5fcb6de9ea9a497f17cbd17f8fd1a2917007741fc1d347379fda4faf7df5443e"`
[INFO] [stdout] 5fcb6de9ea9a497f17cbd17f8fd1a2917007741fc1d347379fda4faf7df5443e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlevesquedion/stack_set:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 83044ec6e024a2e6870e586bfa1240b48bb15c7dca65b9407e35371c2f1d7001
[INFO] running `"docker" "start" "-a" "83044ec6e024a2e6870e586bfa1240b48bb15c7dca65b9407e35371c2f1d7001"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stack_set-5023f926e0156dd3
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::stack_has_no_top_when_empty ... ok
[INFO] [stdout] test tests::stack_does_not_contain_element_that_was_popped ... ok
[INFO] [stdout] test tests::stack_contains_element_that_was_added ... ok
[INFO] [stdout] test tests::pop_returns_and_removes_top_element ... ok
[INFO] [stdout] test tests::new_stack_is_empty ... ok
[INFO] [stdout] test tests::empty_stack_contains_nothing ... ok
[INFO] [stdout] test tests::stack_is_not_empty_after_push ... ok
[INFO] [stdout] test tests::top_returns_last_element_that_was_added ... ok
[INFO] [stdout] test tests::cannot_pop_from_empty_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stack_set-269e129932b897dd
[INFO] [stderr]    Doc-tests stack_set
[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] [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" "83044ec6e024a2e6870e586bfa1240b48bb15c7dca65b9407e35371c2f1d7001"`
[INFO] running `"docker" "rm" "-f" "83044ec6e024a2e6870e586bfa1240b48bb15c7dca65b9407e35371c2f1d7001"`
[INFO] [stdout] 83044ec6e024a2e6870e586bfa1240b48bb15c7dca65b9407e35371c2f1d7001