[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 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f3ce4bd168f5bbc8f1fd3dbca42d4a69becb520944fa741a3864911859c24b0f
[INFO] running `"docker" "start" "-a" "f3ce4bd168f5bbc8f1fd3dbca42d4a69becb520944fa741a3864911859c24b0f"`
[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 2.11s
[INFO] running `"docker" "inspect" "f3ce4bd168f5bbc8f1fd3dbca42d4a69becb520944fa741a3864911859c24b0f"`
[INFO] running `"docker" "rm" "-f" "f3ce4bd168f5bbc8f1fd3dbca42d4a69becb520944fa741a3864911859c24b0f"`
[INFO] [stdout] f3ce4bd168f5bbc8f1fd3dbca42d4a69becb520944fa741a3864911859c24b0f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa8cc8ae867e54d5f06109e57d58c1591af0971033e801bfbf9e42b776b6b298
[INFO] running `"docker" "start" "-a" "aa8cc8ae867e54d5f06109e57d58c1591af0971033e801bfbf9e42b776b6b298"`
[INFO] [stderr]    Compiling stack_set v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "aa8cc8ae867e54d5f06109e57d58c1591af0971033e801bfbf9e42b776b6b298"`
[INFO] running `"docker" "rm" "-f" "aa8cc8ae867e54d5f06109e57d58c1591af0971033e801bfbf9e42b776b6b298"`
[INFO] [stdout] aa8cc8ae867e54d5f06109e57d58c1591af0971033e801bfbf9e42b776b6b298
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f5aad0451ff2f77cf39ec14d8a55d5d8800f8bd3cec7a42510cfd8abbf08e3e5
[INFO] running `"docker" "start" "-a" "f5aad0451ff2f77cf39ec14d8a55d5d8800f8bd3cec7a42510cfd8abbf08e3e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stack_set-ad046a81e4820a2f
[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::top_returns_last_element_that_was_added ... ok
[INFO] [stdout] test tests::empty_stack_contains_nothing ... ok
[INFO] [stdout] test tests::new_stack_is_empty ... ok
[INFO] [stdout] test tests::pop_returns_and_removes_top_element ... ok
[INFO] [stdout] test tests::stack_is_not_empty_after_push ... 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-072ab1771a9fe296
[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 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] running `"docker" "inspect" "f5aad0451ff2f77cf39ec14d8a55d5d8800f8bd3cec7a42510cfd8abbf08e3e5"`
[INFO] running `"docker" "rm" "-f" "f5aad0451ff2f77cf39ec14d8a55d5d8800f8bd3cec7a42510cfd8abbf08e3e5"`
[INFO] [stdout] f5aad0451ff2f77cf39ec14d8a55d5d8800f8bd3cec7a42510cfd8abbf08e3e5