[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRagnaroek%2Flibmaze" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ragnaroek/libmaze on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-14/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f53308b703d51df053532a955a3a698e617e0663c4cac7e0e5e04a8daa258214
[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" "f53308b703d51df053532a955a3a698e617e0663c4cac7e0e5e04a8daa258214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f53308b703d51df053532a955a3a698e617e0663c4cac7e0e5e04a8daa258214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53308b703d51df053532a955a3a698e617e0663c4cac7e0e5e04a8daa258214", kill_on_drop: false }`
[INFO] [stdout] f53308b703d51df053532a955a3a698e617e0663c4cac7e0e5e04a8daa258214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b8bdd5bd53e2bbb7974b92a8591cb017620b067aacf4d9ebc4c7c33cb502d3e
[INFO] running `Command { std: "docker" "start" "-a" "4b8bdd5bd53e2bbb7974b92a8591cb017620b067aacf4d9ebc4c7c33cb502d3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.9
[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 8.01s
[INFO] running `Command { std: "docker" "inspect" "4b8bdd5bd53e2bbb7974b92a8591cb017620b067aacf4d9ebc4c7c33cb502d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8bdd5bd53e2bbb7974b92a8591cb017620b067aacf4d9ebc4c7c33cb502d3e", kill_on_drop: false }`
[INFO] [stdout] 4b8bdd5bd53e2bbb7974b92a8591cb017620b067aacf4d9ebc4c7c33cb502d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8059e0497edf152c83ff8d57f6c4d23bd7d2b8e73558b3614628345aeb635f6d
[INFO] running `Command { std: "docker" "start" "-a" "8059e0497edf152c83ff8d57f6c4d23bd7d2b8e73558b3614628345aeb635f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "8059e0497edf152c83ff8d57f6c4d23bd7d2b8e73558b3614628345aeb635f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8059e0497edf152c83ff8d57f6c4d23bd7d2b8e73558b3614628345aeb635f6d", kill_on_drop: false }`
[INFO] [stdout] 8059e0497edf152c83ff8d57f6c4d23bd7d2b8e73558b3614628345aeb635f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e4a9fff865dd72a2f8a8604f4d647285aaa7a6902382bdde4267cd106db31b4
[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" "6e4a9fff865dd72a2f8a8604f4d647285aaa7a6902382bdde4267cd106db31b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze-e8e668c5ef0594dd
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze-fcd366ecbef32c64
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/meta-b30be02d83c70fea
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test should_convert_all_zero_array_to_hex ... ok
[INFO] [stdout] test should_set_distance ... ok
[INFO] [stdout] test should_init_distance_struct_with_all_zeros ... ok
[INFO] [stdout] test should_convert_max_u32_to_all_f_hex ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/plm-558f1e35051a33a1
[INFO] [stdout] test should_be_dead_end_only_if_cell_has_three_walls ... 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/square_maze-4db9f2d358f4474e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_output_and_read_back_bigger_maze ... ok
[INFO] [stdout] test test_output_and_read_back_tiny_maze ... ok
[INFO] [stdout] test test_output_and_read_back_tiny_maze_non_cubic ... ok
[INFO] [stdout] test test_output_plm ... 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] [stdout] test should_have_all_cells_walled_after_init ... ok
[INFO] [stdout] test should_carve_some_walls ... ok
[INFO] [stdout] test should_carve_edge_walls ... ok
[INFO] [stdout] test minimal_maze_carving ... ok
[INFO] [stdout] test should_panic_if_index_out_of_range_on_wall_carving ... 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_neighbours ... ok
[INFO] [stdout] test generated_maze_edge_invariants ... 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-f0528cd58ed64eb4
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test should_get_visited_state_of_neighbour ... ok
[INFO] [stdout] test should_maintain_visited_state ... ok
[INFO] [stdout] test should_have_initial_visited_state_of_false ... 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 `Command { std: "docker" "inspect" "6e4a9fff865dd72a2f8a8604f4d647285aaa7a6902382bdde4267cd106db31b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4a9fff865dd72a2f8a8604f4d647285aaa7a6902382bdde4267cd106db31b4", kill_on_drop: false }`
[INFO] [stdout] 6e4a9fff865dd72a2f8a8604f4d647285aaa7a6902382bdde4267cd106db31b4