[INFO] cloning repository https://github.com/tkyk0317/Algorithm_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tkyk0317/Algorithm_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkyk0317%2FAlgorithm_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkyk0317%2FAlgorithm_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25a3f4436d899e1fe1dd93de8968e79664edb743 [INFO] checking tkyk0317/Algorithm_Rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkyk0317%2FAlgorithm_Rust" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tkyk0317/Algorithm_Rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tkyk0317/Algorithm_Rust [INFO] finished tweaking git repo https://github.com/tkyk0317/Algorithm_Rust [INFO] tweaked toml for git repo https://github.com/tkyk0317/Algorithm_Rust written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/tkyk0317/Algorithm_Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81f7747abc32ff330934b37a8a5b1dc2c2e994d55c16620b0561a795bee51cf6 [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" "81f7747abc32ff330934b37a8a5b1dc2c2e994d55c16620b0561a795bee51cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81f7747abc32ff330934b37a8a5b1dc2c2e994d55c16620b0561a795bee51cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81f7747abc32ff330934b37a8a5b1dc2c2e994d55c16620b0561a795bee51cf6", kill_on_drop: false }` [INFO] [stdout] 81f7747abc32ff330934b37a8a5b1dc2c2e994d55c16620b0561a795bee51cf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f3626686309477d24873df36ab7022976a5da74be2d96951dbf4ae3cd16aa86 [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" "8f3626686309477d24873df36ab7022976a5da74be2d96951dbf4ae3cd16aa86", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.28 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:33:57 [INFO] [stdout] | [INFO] [stdout] 33 | = unsafe { std::mem::transmute(_compare:: as (extern fn(*const T, *const T) -> c_int)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:33:57 [INFO] [stdout] | [INFO] [stdout] 33 | = unsafe { std::mem::transmute(_compare:: as (extern fn(*const T, *const T) -> c_int)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.33s [INFO] running `Command { std: "docker" "inspect" "8f3626686309477d24873df36ab7022976a5da74be2d96951dbf4ae3cd16aa86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f3626686309477d24873df36ab7022976a5da74be2d96951dbf4ae3cd16aa86", kill_on_drop: false }` [INFO] [stdout] 8f3626686309477d24873df36ab7022976a5da74be2d96951dbf4ae3cd16aa86