[INFO] updating cached repository Ragnaroek/libmaze
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ragnaroek/libmaze
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ragnaroek/libmaze" "work/ex/beta-1.37-6/sources/1.36.0/gh/Ragnaroek/libmaze"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Ragnaroek/libmaze'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ragnaroek/libmaze" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Ragnaroek/libmaze"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Ragnaroek/libmaze'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5b8764b6549f242978cdccbc3c9810a148eb372d
[INFO] sha for GitHub repo Ragnaroek/libmaze: 5b8764b6549f242978cdccbc3c9810a148eb372d
[INFO] validating manifest of Ragnaroek/libmaze 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 Ragnaroek/libmaze 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 Ragnaroek/libmaze
[INFO] finished frobbing Ragnaroek/libmaze
[INFO] frobbed toml for Ragnaroek/libmaze written to work/ex/beta-1.37-6/sources/1.36.0/gh/Ragnaroek/libmaze/Cargo.toml
[INFO] started frobbing Ragnaroek/libmaze
[INFO] finished frobbing Ragnaroek/libmaze
[INFO] frobbed toml for Ragnaroek/libmaze written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Ragnaroek/libmaze/Cargo.toml
[INFO] crate Ragnaroek/libmaze 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Ragnaroek/libmaze against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Ragnaroek/libmaze:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8d2265533f1b39a950aa71903aaafecb301bc6c4170f9391cc7f51af5b3b080f
[INFO] running `"docker" "start" "-a" "8d2265533f1b39a950aa71903aaafecb301bc6c4170f9391cc7f51af5b3b080f"`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `"docker" "inspect" "8d2265533f1b39a950aa71903aaafecb301bc6c4170f9391cc7f51af5b3b080f"`
[INFO] running `"docker" "rm" "-f" "8d2265533f1b39a950aa71903aaafecb301bc6c4170f9391cc7f51af5b3b080f"`
[INFO] [stdout] 8d2265533f1b39a950aa71903aaafecb301bc6c4170f9391cc7f51af5b3b080f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Ragnaroek/libmaze:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f529d27de4b17fea990e29bc9bc2aeddc8bff0cd94b1c2121cbddd6934a14699
[INFO] running `"docker" "start" "-a" "f529d27de4b17fea990e29bc9bc2aeddc8bff0cd94b1c2121cbddd6934a14699"`
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "f529d27de4b17fea990e29bc9bc2aeddc8bff0cd94b1c2121cbddd6934a14699"`
[INFO] running `"docker" "rm" "-f" "f529d27de4b17fea990e29bc9bc2aeddc8bff0cd94b1c2121cbddd6934a14699"`
[INFO] [stdout] f529d27de4b17fea990e29bc9bc2aeddc8bff0cd94b1c2121cbddd6934a14699
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Ragnaroek/libmaze:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 91f23f73a49a6c8ea551fa2139e292d503a50f7ca7f999c2bd98331b93aa2d5d
[INFO] running `"docker" "start" "-a" "91f23f73a49a6c8ea551fa2139e292d503a50f7ca7f999c2bd98331b93aa2d5d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maze-ceeac3cd332ac2cd
[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]      Running /opt/crater/target/debug/deps/maze-4dd64c48d0be8b0a
[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]      Running /opt/crater/target/debug/deps/meta-e7523e34461f3956
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test should_be_dead_end_only_if_cell_has_three_walls ... ok
[INFO] [stdout] test should_set_distance ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/square_maze-bf565f4fd61e5714
[INFO] [stdout] test should_init_distance_struct_with_all_zeros ... ok
[INFO] [stdout] test should_convert_max_u32_to_all_f_hex ... ok
[INFO] [stdout] test should_convert_all_zero_array_to_hex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test should_have_all_cells_walled_after_init ... ok
[INFO] [stdout] test should_get_neighbours ... ok
[INFO] [stdout] test should_carve_some_walls ... ok
[INFO] [stdout] test should_panic_if_index_out_of_range_on_wall_access ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/visited-3e9bff996dd8168e
[INFO] [stdout] test should_panic_if_index_out_of_range_on_neighbours ... ok
[INFO] [stdout] test should_panic_if_index_out_of_range_on_wall_carving ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test should_get_visited_state_of_neighbour ... ok
[INFO] [stdout] test should_have_initial_visited_state_of_false ... ok
[INFO] [stdout] test should_maintain_visited_state ... ok
[INFO] [stdout] test should_panic_if_index_out_of_range_for_neighbours_unvisited ... ok
[INFO] [stderr]    Doc-tests maze
[INFO] [stdout] test should_panic_if_index_out_of_range_for_visited ... ok
[INFO] [stdout] test should_panic_if_neighbour_out_of_range_for_neighbours_unvisited ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "91f23f73a49a6c8ea551fa2139e292d503a50f7ca7f999c2bd98331b93aa2d5d"`
[INFO] running `"docker" "rm" "-f" "91f23f73a49a6c8ea551fa2139e292d503a50f7ca7f999c2bd98331b93aa2d5d"`
[INFO] [stdout] 91f23f73a49a6c8ea551fa2139e292d503a50f7ca7f999c2bd98331b93aa2d5d