[INFO] updating cached repository https://github.com/CianLR/mazegen-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c45d2180582696b40e400ba72e2e54971048dc1f
[INFO] testing CianLR/mazegen-rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCianLR%2Fmazegen-rs" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CianLR/mazegen-rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CianLR/mazegen-rs
[INFO] finished tweaking git repo https://github.com/CianLR/mazegen-rs
[INFO] tweaked toml for git repo https://github.com/CianLR/mazegen-rs written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/CianLR/mazegen-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 816b4cc0feb387d1f22fdab8b8beb2ca92ce509e5f139f75bceec0bec5f7e811
[INFO] running `"docker" "start" "-a" "816b4cc0feb387d1f22fdab8b8beb2ca92ce509e5f139f75bceec0bec5f7e811"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling mazegen-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/algos/algo.rs:18:62
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn get_algorithm(algo: &String, ani: bool) -> Result<Box<MazeAlgo>, String> {
[INFO] [stderr]    |                                                              ^^^^^^^^ help: use `dyn`: `dyn MazeAlgo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/maze.rs:54:43
[INFO] [stderr]    |
[INFO] [stderr] 54 |                            algo: &mut Box<MazeAlgo>) -> Result<(), String> {
[INFO] [stderr]    |                                           ^^^^^^^^ help: use `dyn`: `dyn MazeAlgo`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
[INFO] running `"docker" "inspect" "816b4cc0feb387d1f22fdab8b8beb2ca92ce509e5f139f75bceec0bec5f7e811"`
[INFO] running `"docker" "rm" "-f" "816b4cc0feb387d1f22fdab8b8beb2ca92ce509e5f139f75bceec0bec5f7e811"`
[INFO] [stdout] 816b4cc0feb387d1f22fdab8b8beb2ca92ce509e5f139f75bceec0bec5f7e811
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0337f4104b9b63ebd0e59f9cb303db896ca71bf52464cac234d8fae027e5af81
[INFO] running `"docker" "start" "-a" "0337f4104b9b63ebd0e59f9cb303db896ca71bf52464cac234d8fae027e5af81"`
[INFO] [stderr]    Compiling mazegen-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/algos/algo.rs:18:62
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn get_algorithm(algo: &String, ani: bool) -> Result<Box<MazeAlgo>, String> {
[INFO] [stderr]    |                                                              ^^^^^^^^ help: use `dyn`: `dyn MazeAlgo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/maze.rs:54:43
[INFO] [stderr]    |
[INFO] [stderr] 54 |                            algo: &mut Box<MazeAlgo>) -> Result<(), String> {
[INFO] [stderr]    |                                           ^^^^^^^^ help: use `dyn`: `dyn MazeAlgo`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `"docker" "inspect" "0337f4104b9b63ebd0e59f9cb303db896ca71bf52464cac234d8fae027e5af81"`
[INFO] running `"docker" "rm" "-f" "0337f4104b9b63ebd0e59f9cb303db896ca71bf52464cac234d8fae027e5af81"`
[INFO] [stdout] 0337f4104b9b63ebd0e59f9cb303db896ca71bf52464cac234d8fae027e5af81
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 92aaf60269902919875d8b1c6c93eee6c0773d5a70e6f6946fbf2b108b39fa9a
[INFO] running `"docker" "start" "-a" "92aaf60269902919875d8b1c6c93eee6c0773d5a70e6f6946fbf2b108b39fa9a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mazegen_rs-18472342284965f4
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test algos::ellers::test::test_is_perfect ... ok
[INFO] [stdout] test algos::prims::test::test_is_perfect ... ok
[INFO] [stdout] test algos::dfs::test::test_is_perfect ... ok
[INFO] [stdout] test algos::wilsons::test::test_is_perfect ... ok
[INFO] [stdout] test algos::kruskals::test::test_is_perfect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "92aaf60269902919875d8b1c6c93eee6c0773d5a70e6f6946fbf2b108b39fa9a"`
[INFO] running `"docker" "rm" "-f" "92aaf60269902919875d8b1c6c93eee6c0773d5a70e6f6946fbf2b108b39fa9a"`
[INFO] [stdout] 92aaf60269902919875d8b1c6c93eee6c0773d5a70e6f6946fbf2b108b39fa9a