[INFO] cloning repository https://github.com/naoketa/leetcode-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naoketa/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaoketa%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaoketa%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0460878921ce4d7f0ccdfbb2632770c597d85932 [INFO] testing naoketa/leetcode-rust 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%2Fnaoketa%2Fleetcode-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/naoketa/leetcode-rust 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/naoketa/leetcode-rust [INFO] finished tweaking git repo https://github.com/naoketa/leetcode-rust [INFO] tweaked toml for git repo https://github.com/naoketa/leetcode-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/naoketa/leetcode-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c0cfcc66cfedb747f3df5844640be493ccad5e709d4a2969ecc649fbd537d2b9 [INFO] running `Command { std: "docker" "start" "-a" "c0cfcc66cfedb747f3df5844640be493ccad5e709d4a2969ecc649fbd537d2b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0cfcc66cfedb747f3df5844640be493ccad5e709d4a2969ecc649fbd537d2b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0cfcc66cfedb747f3df5844640be493ccad5e709d4a2969ecc649fbd537d2b9", kill_on_drop: false }` [INFO] [stdout] c0cfcc66cfedb747f3df5844640be493ccad5e709d4a2969ecc649fbd537d2b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 76437cf20f17b0e8783eb65b65bc0ce3fa5b6ffaad235871c50e7ef321cf4709 [INFO] running `Command { std: "docker" "start" "-a" "76437cf20f17b0e8783eb65b65bc0ce3fa5b6ffaad235871c50e7ef321cf4709", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/two_sum.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `two_sum` [INFO] [stdout] --> src/two_sum.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.68s [INFO] running `Command { std: "docker" "inspect" "76437cf20f17b0e8783eb65b65bc0ce3fa5b6ffaad235871c50e7ef321cf4709", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76437cf20f17b0e8783eb65b65bc0ce3fa5b6ffaad235871c50e7ef321cf4709", kill_on_drop: false }` [INFO] [stdout] 76437cf20f17b0e8783eb65b65bc0ce3fa5b6ffaad235871c50e7ef321cf4709 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f620c9ebda3fc0a4514188d78090935f0372a2fc2d27179fef646a4b1287fcf2 [INFO] running `Command { std: "docker" "start" "-a" "f620c9ebda3fc0a4514188d78090935f0372a2fc2d27179fef646a4b1287fcf2", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.33s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode_rust-10f0677b39af5ce2) [INFO] running `Command { std: "docker" "inspect" "f620c9ebda3fc0a4514188d78090935f0372a2fc2d27179fef646a4b1287fcf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f620c9ebda3fc0a4514188d78090935f0372a2fc2d27179fef646a4b1287fcf2", kill_on_drop: false }` [INFO] [stdout] f620c9ebda3fc0a4514188d78090935f0372a2fc2d27179fef646a4b1287fcf2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 46693e0692431dd69e4583fc81a147843fba0348e50dfc56d3f2f3e5b7d48b2c [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" "46693e0692431dd69e4583fc81a147843fba0348e50dfc56d3f2f3e5b7d48b2c", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode_rust-10f0677b39af5ce2) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test two_sum::case2 ... ok [INFO] [stdout] test two_sum::case1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "46693e0692431dd69e4583fc81a147843fba0348e50dfc56d3f2f3e5b7d48b2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46693e0692431dd69e4583fc81a147843fba0348e50dfc56d3f2f3e5b7d48b2c", kill_on_drop: false }` [INFO] [stdout] 46693e0692431dd69e4583fc81a147843fba0348e50dfc56d3f2f3e5b7d48b2c