[INFO] cloning repository https://github.com/tsinghqs/Rust-Guessing-Game [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsinghqs/Rust-Guessing-Game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsinghqs%2FRust-Guessing-Game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsinghqs%2FRust-Guessing-Game'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] abe36a1c1daa9e2b75662765d57e8371e4a1f099 [INFO] testing tsinghqs/Rust-Guessing-Game against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsinghqs%2FRust-Guessing-Game" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tsinghqs/Rust-Guessing-Game 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/tsinghqs/Rust-Guessing-Game [INFO] finished tweaking git repo https://github.com/tsinghqs/Rust-Guessing-Game [INFO] tweaked toml for git repo https://github.com/tsinghqs/Rust-Guessing-Game written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/tsinghqs/Rust-Guessing-Game 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] bf23f334e1318d592b3deb9db950bf0a74a57b6dd921e0bd296a1f3c0ff2b58d [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" "bf23f334e1318d592b3deb9db950bf0a74a57b6dd921e0bd296a1f3c0ff2b58d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf23f334e1318d592b3deb9db950bf0a74a57b6dd921e0bd296a1f3c0ff2b58d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf23f334e1318d592b3deb9db950bf0a74a57b6dd921e0bd296a1f3c0ff2b58d", kill_on_drop: false }` [INFO] [stdout] bf23f334e1318d592b3deb9db950bf0a74a57b6dd921e0bd296a1f3c0ff2b58d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2a9d1f73746a356be59a918bb2d7c5a70699f10b2005a5b2d94cfc5d0ed17e1b [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" "2a9d1f73746a356be59a918bb2d7c5a70699f10b2005a5b2d94cfc5d0ed17e1b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling rand v0.5.1 [INFO] [stderr] Compiling RustPractice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: crate `RustPractice` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `rust_practice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.89s [INFO] running `Command { std: "docker" "inspect" "2a9d1f73746a356be59a918bb2d7c5a70699f10b2005a5b2d94cfc5d0ed17e1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a9d1f73746a356be59a918bb2d7c5a70699f10b2005a5b2d94cfc5d0ed17e1b", kill_on_drop: false }` [INFO] [stdout] 2a9d1f73746a356be59a918bb2d7c5a70699f10b2005a5b2d94cfc5d0ed17e1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e8208d34ec34142a230036aead91d0fc8d1193f1c89c56d43df0de889d30bb01 [INFO] running `Command { std: "docker" "start" "-a" "e8208d34ec34142a230036aead91d0fc8d1193f1c89c56d43df0de889d30bb01", kill_on_drop: false }` [INFO] [stderr] Compiling RustPractice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: crate `RustPractice` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `rust_practice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "e8208d34ec34142a230036aead91d0fc8d1193f1c89c56d43df0de889d30bb01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8208d34ec34142a230036aead91d0fc8d1193f1c89c56d43df0de889d30bb01", kill_on_drop: false }` [INFO] [stdout] e8208d34ec34142a230036aead91d0fc8d1193f1c89c56d43df0de889d30bb01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 23367a00b472be5a565b0bc5a327daa3bb01fbd9a5b19ac8a4e24850961d0471 [INFO] running `Command { std: "docker" "start" "-a" "23367a00b472be5a565b0bc5a327daa3bb01fbd9a5b19ac8a4e24850961d0471", kill_on_drop: false }` [INFO] [stderr] warning: crate `RustPractice` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `rust_practice` [INFO] [stderr] [INFO] [stderr] warning: `RustPractice` (bin "RustPractice" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/RustPractice-16877050c39e3682) [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" "23367a00b472be5a565b0bc5a327daa3bb01fbd9a5b19ac8a4e24850961d0471", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23367a00b472be5a565b0bc5a327daa3bb01fbd9a5b19ac8a4e24850961d0471", kill_on_drop: false }` [INFO] [stdout] 23367a00b472be5a565b0bc5a327daa3bb01fbd9a5b19ac8a4e24850961d0471