[INFO] cloning repository https://github.com/ThomWright/maze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomWright/maze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomWright%2Fmaze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomWright%2Fmaze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3196aef5f79e258ea928413cc1e4004571e2e01
[INFO] testing ThomWright/maze against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomWright%2Fmaze" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThomWright/maze 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/ThomWright/maze
[INFO] finished tweaking git repo https://github.com/ThomWright/maze
[INFO] tweaked toml for git repo https://github.com/ThomWright/maze written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ThomWright/maze 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] f8ba3ae4e22d1e968ea367e0fd9fd466afa5f4330943ae19a893791e30842605
[INFO] running `Command { std: "docker" "start" "-a" "f8ba3ae4e22d1e968ea367e0fd9fd466afa5f4330943ae19a893791e30842605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8ba3ae4e22d1e968ea367e0fd9fd466afa5f4330943ae19a893791e30842605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ba3ae4e22d1e968ea367e0fd9fd466afa5f4330943ae19a893791e30842605", kill_on_drop: false }`
[INFO] [stdout] f8ba3ae4e22d1e968ea367e0fd9fd466afa5f4330943ae19a893791e30842605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d4c12db70729f582a5db6d2edcbb03ff1857ed63b02caad873d5bdbac5913c8
[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" "6d4c12db70729f582a5db6d2edcbb03ff1857ed63b02caad873d5bdbac5913c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "6d4c12db70729f582a5db6d2edcbb03ff1857ed63b02caad873d5bdbac5913c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4c12db70729f582a5db6d2edcbb03ff1857ed63b02caad873d5bdbac5913c8", kill_on_drop: false }`
[INFO] [stdout] 6d4c12db70729f582a5db6d2edcbb03ff1857ed63b02caad873d5bdbac5913c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 970e886da7cc658cc56481aff9d7369a69c11694ddc004f1c66a4da7a22033f7
[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" "970e886da7cc658cc56481aff9d7369a69c11694ddc004f1c66a4da7a22033f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "970e886da7cc658cc56481aff9d7369a69c11694ddc004f1c66a4da7a22033f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970e886da7cc658cc56481aff9d7369a69c11694ddc004f1c66a4da7a22033f7", kill_on_drop: false }`
[INFO] [stdout] 970e886da7cc658cc56481aff9d7369a69c11694ddc004f1c66a4da7a22033f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4866010e4aad994bcfa42742b4adc285937e40ec13aba7dea9db7fcec480812
[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" "b4866010e4aad994bcfa42742b4adc285937e40ec13aba7dea9db7fcec480812", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze-25189044a76143d4
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::cell_to_char_1x1 ... ok
[INFO] [stdout] test test::char_to_cell_5x4 ... ok
[INFO] [stdout] test test::char_to_cell_7x5 ... ok
[INFO] [stdout] test test::maze_buffer_1x1 ... ok
[INFO] [stdout] test test::maze_buffer_2x2 ... ok
[INFO] [stdout] test test::on_screen_area_off_screen_to_left ... ok
[INFO] [stdout] test test::on_screen_area_off_screen_to_right ... ok
[INFO] [stdout] test test::on_screen_same_size ... ok
[INFO] [stdout] test test::on_screen_area_fits_inside ... ok
[INFO] [stdout] test test::char_to_cell_6x4 ... ok
[INFO] [stdout] test test::char_to_cell_4x3 ... ok
[INFO] [stdout] test test::cell_to_char_2x2 ... ok
[INFO] [stdout] test test::maze_size_chars_to_chars ... ok
[INFO] [stdout] test test::on_screen_area_completely_off_screen_to_right ... ok
[INFO] [stdout] test test::on_screen_area_completely_off_screen_to_left ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4866010e4aad994bcfa42742b4adc285937e40ec13aba7dea9db7fcec480812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4866010e4aad994bcfa42742b4adc285937e40ec13aba7dea9db7fcec480812", kill_on_drop: false }`
[INFO] [stdout] b4866010e4aad994bcfa42742b4adc285937e40ec13aba7dea9db7fcec480812