[INFO] cloning repository https://github.com/exercism/rust-analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exercism/rust-analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c1bd7e7504a01077dabc4291ddcc4237ec72185
[INFO] testing exercism/rust-analyzer against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exercism/rust-analyzer 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/exercism/rust-analyzer
[INFO] finished tweaking git repo https://github.com/exercism/rust-analyzer
[INFO] tweaked toml for git repo https://github.com/exercism/rust-analyzer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/exercism/rust-analyzer 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 18fa8846db28d608c6345afecd5ed080ac005d60610cbeef8a9c81360e436501
[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" "18fa8846db28d608c6345afecd5ed080ac005d60610cbeef8a9c81360e436501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18fa8846db28d608c6345afecd5ed080ac005d60610cbeef8a9c81360e436501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fa8846db28d608c6345afecd5ed080ac005d60610cbeef8a9c81360e436501", kill_on_drop: false }`
[INFO] [stdout] 18fa8846db28d608c6345afecd5ed080ac005d60610cbeef8a9c81360e436501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 378f6358beada814c7839114b6d299da2b734bc655a8f86fc8868391b978d0d2
[INFO] running `Command { std: "docker" "start" "-a" "378f6358beada814c7839114b6d299da2b734bc655a8f86fc8868391b978d0d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling rust-analyzer v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.35s
[INFO] running `Command { std: "docker" "inspect" "378f6358beada814c7839114b6d299da2b734bc655a8f86fc8868391b978d0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378f6358beada814c7839114b6d299da2b734bc655a8f86fc8868391b978d0d2", kill_on_drop: false }`
[INFO] [stdout] 378f6358beada814c7839114b6d299da2b734bc655a8f86fc8868391b978d0d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 6a6a81d35dae7219dcdb6aa2d4159c686db0f7bc43b5da9ed15c1efbb1f3437a
[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" "6a6a81d35dae7219dcdb6aa2d4159c686db0f7bc43b5da9ed15c1efbb1f3437a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling rust-analyzer v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.44s
[INFO] running `Command { std: "docker" "inspect" "6a6a81d35dae7219dcdb6aa2d4159c686db0f7bc43b5da9ed15c1efbb1f3437a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6a81d35dae7219dcdb6aa2d4159c686db0f7bc43b5da9ed15c1efbb1f3437a", kill_on_drop: false }`
[INFO] [stdout] 6a6a81d35dae7219dcdb6aa2d4159c686db0f7bc43b5da9ed15c1efbb1f3437a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d25938730bc217075725e4a0ee593434064cf724ffae7bd5899b462e1f2c42c1
[INFO] running `Command { std: "docker" "start" "-a" "d25938730bc217075725e4a0ee593434064cf724ffae7bd5899b462e1f2c42c1", 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/rust_analyzer-9e26814ae2af6b76
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::analyze_exercise_returns_error_for_the_invalid_solution_dir ... ok
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_disapprove_if_reverse_function_does_not_return_string ... ok
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_2 ... ok
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_suggest_remove_extern_crate_1 ... ok
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_suggest_remove_extern_crate_2 ... ok
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_suggest_bonus_2 ... ok
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_suggest_bonus_1 ... ok
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_disapprove_if_no_reverse_function_is_present ... ok
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_1 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_analyzer-8197aa162bff525b
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_disapprove_if_reverse_function_does_not_accept_str ... ok
[INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_disapprove_if_reverse_function_is_not_public ... ok
[INFO] [stdout] test test::analyze_exercise_returns_error_for_the_unknown_slug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 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] [stderr]      Running /opt/rustwide/target/debug/deps/analyzer-c6ed5dc7ae9852e9
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr] error: test failed, to rerun pass '--test analyzer'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/analyzer-c6ed5dc7ae9852e9` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "d25938730bc217075725e4a0ee593434064cf724ffae7bd5899b462e1f2c42c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25938730bc217075725e4a0ee593434064cf724ffae7bd5899b462e1f2c42c1", kill_on_drop: false }`
[INFO] [stdout] d25938730bc217075725e4a0ee593434064cf724ffae7bd5899b462e1f2c42c1