[INFO] cloning repository https://github.com/vs-123/rust-spam-detector
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vs-123/rust-spam-detector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Frust-spam-detector", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Frust-spam-detector'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfe835c6f0abdb6cb84eaa250e96a3163b94173c
[INFO] testing vs-123/rust-spam-detector against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Frust-spam-detector" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vs-123/rust-spam-detector on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vs-123/rust-spam-detector
[INFO] finished tweaking git repo https://github.com/vs-123/rust-spam-detector
[INFO] tweaked toml for git repo https://github.com/vs-123/rust-spam-detector written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/vs-123/rust-spam-detector already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb30ac30811336eab3c01f9327ef3d4ab1e9cf20d3ee0fccdaab04a6c69baaee
[INFO] running `Command { std: "docker" "start" "-a" "cb30ac30811336eab3c01f9327ef3d4ab1e9cf20d3ee0fccdaab04a6c69baaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb30ac30811336eab3c01f9327ef3d4ab1e9cf20d3ee0fccdaab04a6c69baaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb30ac30811336eab3c01f9327ef3d4ab1e9cf20d3ee0fccdaab04a6c69baaee", kill_on_drop: false }`
[INFO] [stdout] cb30ac30811336eab3c01f9327ef3d4ab1e9cf20d3ee0fccdaab04a6c69baaee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3585addff9b467341b225fc89ab9cc03db27a4848cb23395cdd0f1034e3c37e
[INFO] running `Command { std: "docker" "start" "-a" "b3585addff9b467341b225fc89ab9cc03db27a4848cb23395cdd0f1034e3c37e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 regex v1.5.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling smartcore v0.2.0
[INFO] [stderr]    Compiling rust-spam-detection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.92s
[INFO] running `Command { std: "docker" "inspect" "b3585addff9b467341b225fc89ab9cc03db27a4848cb23395cdd0f1034e3c37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3585addff9b467341b225fc89ab9cc03db27a4848cb23395cdd0f1034e3c37e", kill_on_drop: false }`
[INFO] [stdout] b3585addff9b467341b225fc89ab9cc03db27a4848cb23395cdd0f1034e3c37e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1d8a63d250d6b180a99b2271265347cc313982ff41b15107c23e1b8734d2904
[INFO] running `Command { std: "docker" "start" "-a" "d1d8a63d250d6b180a99b2271265347cc313982ff41b15107c23e1b8734d2904", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-spam-detection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "d1d8a63d250d6b180a99b2271265347cc313982ff41b15107c23e1b8734d2904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d8a63d250d6b180a99b2271265347cc313982ff41b15107c23e1b8734d2904", kill_on_drop: false }`
[INFO] [stdout] d1d8a63d250d6b180a99b2271265347cc313982ff41b15107c23e1b8734d2904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fda1a6f5b5bf8390478d60f04d336b98048d3f77a0e7a9e31ab7a26b35919be3
[INFO] running `Command { std: "docker" "start" "-a" "fda1a6f5b5bf8390478d60f04d336b98048d3f77a0e7a9e31ab7a26b35919be3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_spam_detection-3e76adffc5e47048)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fda1a6f5b5bf8390478d60f04d336b98048d3f77a0e7a9e31ab7a26b35919be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda1a6f5b5bf8390478d60f04d336b98048d3f77a0e7a9e31ab7a26b35919be3", kill_on_drop: false }`
[INFO] [stdout] fda1a6f5b5bf8390478d60f04d336b98048d3f77a0e7a9e31ab7a26b35919be3