[INFO] fetching crate guessing_game_c4rls 0.1.0... [INFO] testing guessing_game_c4rls-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate guessing_game_c4rls 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate guessing_game_c4rls 0.1.0 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 crates.io crate guessing_game_c4rls 0.1.0 [INFO] finished tweaking crates.io crate guessing_game_c4rls 0.1.0 [INFO] tweaked toml for crates.io crate guessing_game_c4rls 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate guessing_game_c4rls 0.1.0 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a2885bb8c767c2acd1acfd8ff7ce17de97430f6006073074f3c4bd46d9aeaa6e [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" "a2885bb8c767c2acd1acfd8ff7ce17de97430f6006073074f3c4bd46d9aeaa6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2885bb8c767c2acd1acfd8ff7ce17de97430f6006073074f3c4bd46d9aeaa6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2885bb8c767c2acd1acfd8ff7ce17de97430f6006073074f3c4bd46d9aeaa6e", kill_on_drop: false }` [INFO] [stdout] a2885bb8c767c2acd1acfd8ff7ce17de97430f6006073074f3c4bd46d9aeaa6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 122411bb9d7848181abc30cdf8b3175b5e1d3c2059a7baaf4e5c1591e2fecf88 [INFO] running `Command { std: "docker" "start" "-a" "122411bb9d7848181abc30cdf8b3175b5e1d3c2059a7baaf4e5c1591e2fecf88", kill_on_drop: false }` [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling guessing_game_c4rls v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.63s [INFO] running `Command { std: "docker" "inspect" "122411bb9d7848181abc30cdf8b3175b5e1d3c2059a7baaf4e5c1591e2fecf88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "122411bb9d7848181abc30cdf8b3175b5e1d3c2059a7baaf4e5c1591e2fecf88", kill_on_drop: false }` [INFO] [stdout] 122411bb9d7848181abc30cdf8b3175b5e1d3c2059a7baaf4e5c1591e2fecf88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 991bfb7f68949fde4e7d5e19179fd7d79b159119be663d557324efd1981afe9a [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" "991bfb7f68949fde4e7d5e19179fd7d79b159119be663d557324efd1981afe9a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling guessing_game_c4rls v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "991bfb7f68949fde4e7d5e19179fd7d79b159119be663d557324efd1981afe9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "991bfb7f68949fde4e7d5e19179fd7d79b159119be663d557324efd1981afe9a", kill_on_drop: false }` [INFO] [stdout] 991bfb7f68949fde4e7d5e19179fd7d79b159119be663d557324efd1981afe9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 61d7c763a34494d747f173e2f30a7fc1b3d5f326b1d6d388e559bcb64f655d4d [INFO] running `Command { std: "docker" "start" "-a" "61d7c763a34494d747f173e2f30a7fc1b3d5f326b1d6d388e559bcb64f655d4d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/guessing_game_c4rls-695f52c25a8e225f) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "61d7c763a34494d747f173e2f30a7fc1b3d5f326b1d6d388e559bcb64f655d4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61d7c763a34494d747f173e2f30a7fc1b3d5f326b1d6d388e559bcb64f655d4d", kill_on_drop: false }` [INFO] [stdout] 61d7c763a34494d747f173e2f30a7fc1b3d5f326b1d6d388e559bcb64f655d4d