[INFO] cloning repository https://github.com/torsten-ostgard/color-bruteforcer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/torsten-ostgard/color-bruteforcer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorsten-ostgard%2Fcolor-bruteforcer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorsten-ostgard%2Fcolor-bruteforcer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c911ddb54a22b54571bd28732f1c4bbcbe63107
[INFO] testing torsten-ostgard/color-bruteforcer against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorsten-ostgard%2Fcolor-bruteforcer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/torsten-ostgard/color-bruteforcer on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/torsten-ostgard/color-bruteforcer
[INFO] finished tweaking git repo https://github.com/torsten-ostgard/color-bruteforcer
[INFO] tweaked toml for git repo https://github.com/torsten-ostgard/color-bruteforcer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/torsten-ostgard/color-bruteforcer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded rustyline v6.0.0
[INFO] [stderr]   Downloaded pbr v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe6abbb0cec2b0e47150804740491d607c3398ce4077e4a79fee4f19e73469db
[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" "fe6abbb0cec2b0e47150804740491d607c3398ce4077e4a79fee4f19e73469db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe6abbb0cec2b0e47150804740491d607c3398ce4077e4a79fee4f19e73469db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6abbb0cec2b0e47150804740491d607c3398ce4077e4a79fee4f19e73469db", kill_on_drop: false }`
[INFO] [stdout] fe6abbb0cec2b0e47150804740491d607c3398ce4077e4a79fee4f19e73469db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] cf68eec4aefc17af1a381ba27a26a3e1a0cacbcdfa5c12ef1bc17fb526db9275
[INFO] running `Command { std: "docker" "start" "-a" "cf68eec4aefc17af1a381ba27a26a3e1a0cacbcdfa5c12ef1bc17fb526db9275", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling pbr v1.0.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling rustyline v6.0.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling promptly v0.3.0
[INFO] [stderr]    Compiling color_bruteforcer v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.53s
[INFO] running `Command { std: "docker" "inspect" "cf68eec4aefc17af1a381ba27a26a3e1a0cacbcdfa5c12ef1bc17fb526db9275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf68eec4aefc17af1a381ba27a26a3e1a0cacbcdfa5c12ef1bc17fb526db9275", kill_on_drop: false }`
[INFO] [stdout] cf68eec4aefc17af1a381ba27a26a3e1a0cacbcdfa5c12ef1bc17fb526db9275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1cbf092972396fb76a7620d138cc355ac6adf52365a84b76fed79995b3a3e1e
[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" "a1cbf092972396fb76a7620d138cc355ac6adf52365a84b76fed79995b3a3e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling color_bruteforcer v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "a1cbf092972396fb76a7620d138cc355ac6adf52365a84b76fed79995b3a3e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1cbf092972396fb76a7620d138cc355ac6adf52365a84b76fed79995b3a3e1e", kill_on_drop: false }`
[INFO] [stdout] a1cbf092972396fb76a7620d138cc355ac6adf52365a84b76fed79995b3a3e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 588683bc8316ac355c73912368ffd757b43d8e6f5322e3566b5f310dd8c445b9
[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" "588683bc8316ac355c73912368ffd757b43d8e6f5322e3566b5f310dd8c445b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/color_bruteforcer-d5e52ad214754a95
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test lib::alpha_generator::tests::test_full_range_results_found ... ok
[INFO] [stdout] test lib::tests::test_instantiate_colors_empty ... ok
[INFO] [stdout] test lib::tests::test_instantiate_colors ... ok
[INFO] [stdout] test lib::tests::test_get_colors_from_stdin ... ok
[INFO] [stdout] test lib::alpha_generator::tests::test_matches_exist_outside_of_alpha_range ... ok
[INFO] [stdout] test lib::alpha_generator::tests::test_full_range_no_results_found ... ok
[INFO] [stdout] test lib::alpha_generator::tests::test_short_range_even_diff_no_results_found ... ok
[INFO] [stdout] test lib::tests::test_color_result_formatter ... ok
[INFO] [stdout] test lib::alpha_generator::tests::test_short_range_odd_diff_no_results_found ... ok
[INFO] [stdout] test lib::tests::test_get_colors_from_args ... ok
[INFO] [stdout] test lib::tests::test_get_colors_from_args_mismatched_number_of_colors ... ok
[INFO] [stdout] test lib::tests::test_validate_alpha ... ok
[INFO] [stdout] test lib::tests::test_validate_color ... ok
[INFO] [stdout] test tests::test_get_prefix_n_results ... ok
[INFO] [stdout] test tests::test_get_prefix_one_result ... ok
[INFO] [stdout] test tests::test_get_prefix_unlimited_results ... ok
[INFO] [stdout] test tests::test_get_prefix_fewer_than_limit ... ok
[INFO] [stderr] error: test failed, to rerun pass '--bin color_bruteforcer'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/color_bruteforcer-d5e52ad214754a95` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "588683bc8316ac355c73912368ffd757b43d8e6f5322e3566b5f310dd8c445b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588683bc8316ac355c73912368ffd757b43d8e6f5322e3566b5f310dd8c445b9", kill_on_drop: false }`
[INFO] [stdout] 588683bc8316ac355c73912368ffd757b43d8e6f5322e3566b5f310dd8c445b9