[INFO] cloning repository https://github.com/Ragnaroek/libmaze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ragnaroek/libmaze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRagnaroek%2Flibmaze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRagnaroek%2Flibmaze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d55342d226d09f967a608c1782955dac6208bb9
[INFO] testing Ragnaroek/libmaze against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRagnaroek%2Flibmaze" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ragnaroek/libmaze on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ragnaroek/libmaze
[INFO] finished tweaking git repo https://github.com/Ragnaroek/libmaze
[INFO] tweaked toml for git repo https://github.com/Ragnaroek/libmaze written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Ragnaroek/libmaze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b31c4990a368ce66bdef91a1ed051109981e92ee8d59bbee6a03896f02fc2a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b31c4990a368ce66bdef91a1ed051109981e92ee8d59bbee6a03896f02fc2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b31c4990a368ce66bdef91a1ed051109981e92ee8d59bbee6a03896f02fc2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b31c4990a368ce66bdef91a1ed051109981e92ee8d59bbee6a03896f02fc2a6", kill_on_drop: false }`
[INFO] [stdout] 8b31c4990a368ce66bdef91a1ed051109981e92ee8d59bbee6a03896f02fc2a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f6d05c4fa10b23a8dc5e9faba8d37157a7e6610696cd65332153358d791cf99
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4f6d05c4fa10b23a8dc5e9faba8d37157a7e6610696cd65332153358d791cf99", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.39s
[INFO] running `Command { std: "docker" "inspect" "4f6d05c4fa10b23a8dc5e9faba8d37157a7e6610696cd65332153358d791cf99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6d05c4fa10b23a8dc5e9faba8d37157a7e6610696cd65332153358d791cf99", kill_on_drop: false }`
[INFO] [stdout] 4f6d05c4fa10b23a8dc5e9faba8d37157a7e6610696cd65332153358d791cf99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0e895b927227c3794dc889e2fac7e22a88a3815c0e29e73af0553032adebb7e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0e895b927227c3794dc889e2fac7e22a88a3815c0e29e73af0553032adebb7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "f0e895b927227c3794dc889e2fac7e22a88a3815c0e29e73af0553032adebb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e895b927227c3794dc889e2fac7e22a88a3815c0e29e73af0553032adebb7e", kill_on_drop: false }`
[INFO] [stdout] f0e895b927227c3794dc889e2fac7e22a88a3815c0e29e73af0553032adebb7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf587e0b7f68f34023464a05afbe356ce744e2628165369e70a10410296a570e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf587e0b7f68f34023464a05afbe356ce744e2628165369e70a10410296a570e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze-21c64313f352fc3d
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze-7873cc8d582ea065
[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] [stderr]      Running /opt/rustwide/target/debug/deps/meta-bec75044853ceb8d
[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_convert_all_zero_array_to_hex ... ok
[INFO] [stdout] test should_convert_max_u32_to_all_f_hex ... ok
[INFO] [stdout] test should_init_distance_struct_with_all_zeros ... ok
[INFO] [stdout] test should_set_distance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/plm-957861c92e1b3cb9
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_output_and_read_back_tiny_maze_non_cubic ... ok
[INFO] [stdout] test test_output_and_read_back_tiny_maze ... ok
[INFO] [stdout] test test_output_plm ... ok
[INFO] [stdout] test test_output_and_read_back_bigger_maze ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test should_get_neighbours ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/square_maze-b4f5496876cc6323
[INFO] [stdout] test should_have_all_cells_walled_after_init ... ok
[INFO] [stdout] test should_carve_some_walls ... ok
[INFO] [stdout] test minimal_maze_carving ... ok
[INFO] [stdout] test generated_maze_edge_invariants ... ok
[INFO] [stdout] test should_carve_edge_walls ... ok
[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_access ... ok
[INFO] [stdout] test should_panic_if_index_out_of_range_on_wall_carving ... 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/rustwide/target/debug/deps/visited-0421b7dd049196ba
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test should_have_initial_visited_state_of_false ... ok
[INFO] [stdout] test should_maintain_visited_state ... ok
[INFO] [stdout] test should_get_visited_state_of_neighbour ... ok
[INFO] [stdout] test should_panic_if_index_out_of_range_for_neighbours_unvisited ... ok
[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] [stderr]    Doc-tests maze
[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 `Command { std: "docker" "inspect" "bf587e0b7f68f34023464a05afbe356ce744e2628165369e70a10410296a570e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf587e0b7f68f34023464a05afbe356ce744e2628165369e70a10410296a570e", kill_on_drop: false }`
[INFO] [stdout] bf587e0b7f68f34023464a05afbe356ce744e2628165369e70a10410296a570e