[INFO] cloning repository https://github.com/changlinli/rust-blackjack [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/changlinli/rust-blackjack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanglinli%2Frust-blackjack", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanglinli%2Frust-blackjack'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9efa169dddfc244b1288029c93fb408e028a1a8a [INFO] testing changlinli/rust-blackjack against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanglinli%2Frust-blackjack" "/workspace/builds/worker-38/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/changlinli/rust-blackjack 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/changlinli/rust-blackjack [INFO] finished tweaking git repo https://github.com/changlinli/rust-blackjack [INFO] tweaked toml for git repo https://github.com/changlinli/rust-blackjack written to /workspace/builds/worker-38/source/Cargo.toml [INFO] crate git repo https://github.com/changlinli/rust-blackjack 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 1c748edec3fab7b642bf418b327b3a38210112f684c9c3cf5ff2bbcd63526465 [INFO] running `Command { std: "docker" "start" "-a" "1c748edec3fab7b642bf418b327b3a38210112f684c9c3cf5ff2bbcd63526465", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c748edec3fab7b642bf418b327b3a38210112f684c9c3cf5ff2bbcd63526465", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c748edec3fab7b642bf418b327b3a38210112f684c9c3cf5ff2bbcd63526465", kill_on_drop: false }` [INFO] [stdout] 1c748edec3fab7b642bf418b327b3a38210112f684c9c3cf5ff2bbcd63526465 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 27dc6263dfc4bd17975d4f3e6717a77ed5dec8a4ad5d600a12a5e827627e43e5 [INFO] running `Command { std: "docker" "start" "-a" "27dc6263dfc4bd17975d4f3e6717a77ed5dec8a4ad5d600a12a5e827627e43e5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rust-blackjack v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.48s [INFO] running `Command { std: "docker" "inspect" "27dc6263dfc4bd17975d4f3e6717a77ed5dec8a4ad5d600a12a5e827627e43e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27dc6263dfc4bd17975d4f3e6717a77ed5dec8a4ad5d600a12a5e827627e43e5", kill_on_drop: false }` [INFO] [stdout] 27dc6263dfc4bd17975d4f3e6717a77ed5dec8a4ad5d600a12a5e827627e43e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] f7bc46a51e8ab61c47077cba936befc5c8fb49c2a1cf33d0fdd8b5fc4b13d7ee [INFO] running `Command { std: "docker" "start" "-a" "f7bc46a51e8ab61c47077cba936befc5c8fb49c2a1cf33d0fdd8b5fc4b13d7ee", kill_on_drop: false }` [INFO] [stderr] Compiling rust-blackjack v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "f7bc46a51e8ab61c47077cba936befc5c8fb49c2a1cf33d0fdd8b5fc4b13d7ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7bc46a51e8ab61c47077cba936befc5c8fb49c2a1cf33d0fdd8b5fc4b13d7ee", kill_on_drop: false }` [INFO] [stdout] f7bc46a51e8ab61c47077cba936befc5c8fb49c2a1cf33d0fdd8b5fc4b13d7ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 7dc5c38f48c2528a7c0dd954f0fc2071e70d08b34a3a291bf7b07240262071d3 [INFO] running `Command { std: "docker" "start" "-a" "7dc5c38f48c2528a7c0dd954f0fc2071e70d08b34a3a291bf7b07240262071d3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.83s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_blackjack-43a9208dc30d5e87) [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" "7dc5c38f48c2528a7c0dd954f0fc2071e70d08b34a3a291bf7b07240262071d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dc5c38f48c2528a7c0dd954f0fc2071e70d08b34a3a291bf7b07240262071d3", kill_on_drop: false }` [INFO] [stdout] 7dc5c38f48c2528a7c0dd954f0fc2071e70d08b34a3a291bf7b07240262071d3