[INFO] crate minotaur 0.3.0 is already in cache
[INFO] testing minotaur-0.3.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate minotaur 0.3.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate minotaur 0.3.0 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 crates.io crate minotaur 0.3.0
[INFO] finished tweaking crates.io crate minotaur 0.3.0
[INFO] tweaked toml for crates.io crate minotaur 0.3.0 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] f9ca030ae83c10337f68507ab4aa4c0bd4c330dcc3a04dec2363d7e7b53a27ed
[INFO] running `"docker" "start" "-a" "f9ca030ae83c10337f68507ab4aa4c0bd4c330dcc3a04dec2363d7e7b53a27ed"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling rand_pcg v0.2.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling minotaur v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.61s
[INFO] running `"docker" "inspect" "f9ca030ae83c10337f68507ab4aa4c0bd4c330dcc3a04dec2363d7e7b53a27ed"`
[INFO] running `"docker" "rm" "-f" "f9ca030ae83c10337f68507ab4aa4c0bd4c330dcc3a04dec2363d7e7b53a27ed"`
[INFO] [stdout] f9ca030ae83c10337f68507ab4aa4c0bd4c330dcc3a04dec2363d7e7b53a27ed
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 2d7dd02d967461c86aa3d5958062fa8da90816fbe8913fe3ecb8be314f0a44f7
[INFO] running `"docker" "start" "-a" "2d7dd02d967461c86aa3d5958062fa8da90816fbe8913fe3ecb8be314f0a44f7"`
[INFO] [stderr]    Compiling minotaur v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `"docker" "inspect" "2d7dd02d967461c86aa3d5958062fa8da90816fbe8913fe3ecb8be314f0a44f7"`
[INFO] running `"docker" "rm" "-f" "2d7dd02d967461c86aa3d5958062fa8da90816fbe8913fe3ecb8be314f0a44f7"`
[INFO] [stdout] 2d7dd02d967461c86aa3d5958062fa8da90816fbe8913fe3ecb8be314f0a44f7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] aa69f970f1cc18a4c22339ec9a2bd4cf512ee399d1795d34fd1807df77043182
[INFO] running `"docker" "start" "-a" "aa69f970f1cc18a4c22339ec9a2bd4cf512ee399d1795d34fd1807df77043182"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minotaur-92f168922857655d
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_hunt_and_kill ... ok
[INFO] [stdout] test tests::test_recursive_backtracker ... ok
[INFO] [stdout] test tests::test_aldous_broder_all_mazes ... ok
[INFO] [stdout] test tests::test_binary_tree ... ok
[INFO] [stdout] test tests::test_sidewinder ... ok
[INFO] [stdout] test tests::test_wilsons_all_mazes ... ok
[INFO] [stdout] test tests::test_aldous_broder ... ok
[INFO] [stdout] test tests::test_wilsons ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minotaur-f3a2580f1a470882
[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]    Doc-tests minotaur
[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" "aa69f970f1cc18a4c22339ec9a2bd4cf512ee399d1795d34fd1807df77043182"`
[INFO] running `"docker" "rm" "-f" "aa69f970f1cc18a4c22339ec9a2bd4cf512ee399d1795d34fd1807df77043182"`
[INFO] [stdout] aa69f970f1cc18a4c22339ec9a2bd4cf512ee399d1795d34fd1807df77043182