[INFO] cloning repository https://github.com/t56k/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t56k/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft56k%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft56k%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 378e36b757c6322144dc8d90b82953e2fbd08975 [INFO] testing t56k/leetcode against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft56k%2Fleetcode" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/t56k/leetcode on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/t56k/leetcode [INFO] finished tweaking git repo https://github.com/t56k/leetcode [INFO] tweaked toml for git repo https://github.com/t56k/leetcode written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/t56k/leetcode already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] e8e5141bcddf9a2e6cf7e9237479ae4f4d219dbe96ba8883fc6399c0fc07eefe [INFO] running `Command { std: "docker" "start" "-a" "e8e5141bcddf9a2e6cf7e9237479ae4f4d219dbe96ba8883fc6399c0fc07eefe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8e5141bcddf9a2e6cf7e9237479ae4f4d219dbe96ba8883fc6399c0fc07eefe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8e5141bcddf9a2e6cf7e9237479ae4f4d219dbe96ba8883fc6399c0fc07eefe", kill_on_drop: false }` [INFO] [stdout] e8e5141bcddf9a2e6cf7e9237479ae4f4d219dbe96ba8883fc6399c0fc07eefe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8095623bb54210e64dcb8f8fe963709102828f667dab889295a750c1c7813dcd [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" "8095623bb54210e64dcb8f8fe963709102828f667dab889295a750c1c7813dcd", kill_on_drop: false }` [INFO] [stderr] Compiling play v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `remove_nth_from_end` [INFO] [stdout] --> src/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn remove_nth_from_end(mut head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_two_lists` [INFO] [stdout] --> src/main.rs:165:4 [INFO] [stdout] | [INFO] [stdout] 165 | fn merge_two_lists(list1: Option>, list2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.00s [INFO] running `Command { std: "docker" "inspect" "8095623bb54210e64dcb8f8fe963709102828f667dab889295a750c1c7813dcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8095623bb54210e64dcb8f8fe963709102828f667dab889295a750c1c7813dcd", kill_on_drop: false }` [INFO] [stdout] 8095623bb54210e64dcb8f8fe963709102828f667dab889295a750c1c7813dcd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] d6159acf9adbdf7a116b7732bba910dd740e56e276a81ed3aa8db3fe0aa005c4 [INFO] running `Command { std: "docker" "start" "-a" "d6159acf9adbdf7a116b7732bba910dd740e56e276a81ed3aa8db3fe0aa005c4", kill_on_drop: false }` [INFO] [stderr] Compiling play v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `remove_nth_from_end` [INFO] [stdout] --> src/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn remove_nth_from_end(mut head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_two_lists` [INFO] [stdout] --> src/main.rs:165:4 [INFO] [stdout] | [INFO] [stdout] 165 | fn merge_two_lists(list1: Option>, list2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.24s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/play-5dc42754b557ce01) [INFO] running `Command { std: "docker" "inspect" "d6159acf9adbdf7a116b7732bba910dd740e56e276a81ed3aa8db3fe0aa005c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6159acf9adbdf7a116b7732bba910dd740e56e276a81ed3aa8db3fe0aa005c4", kill_on_drop: false }` [INFO] [stdout] d6159acf9adbdf7a116b7732bba910dd740e56e276a81ed3aa8db3fe0aa005c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b40a34f82129c2d6cc0b68c9c6ba1ca392e1d00daff09ed0fa55f4748d694064 [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" "b40a34f82129c2d6cc0b68c9c6ba1ca392e1d00daff09ed0fa55f4748d694064", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:20:7 [INFO] [stderr] | [INFO] [stderr] 20 | fn new(val: i32) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `remove_nth_from_end` [INFO] [stderr] --> src/main.rs:60:4 [INFO] [stderr] | [INFO] [stderr] 60 | fn remove_nth_from_end(mut head: Option>, n: i32) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_two_lists` [INFO] [stderr] --> src/main.rs:165:4 [INFO] [stderr] | [INFO] [stderr] 165 | fn merge_two_lists(list1: Option>, list2: Option>) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `play` (bin "play" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/play-5dc42754b557ce01) [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" "b40a34f82129c2d6cc0b68c9c6ba1ca392e1d00daff09ed0fa55f4748d694064", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b40a34f82129c2d6cc0b68c9c6ba1ca392e1d00daff09ed0fa55f4748d694064", kill_on_drop: false }` [INFO] [stdout] b40a34f82129c2d6cc0b68c9c6ba1ca392e1d00daff09ed0fa55f4748d694064