[INFO] cloning repository https://github.com/xudifsd/rust_leet [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xudifsd/rust_leet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxudifsd%2Frust_leet", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxudifsd%2Frust_leet'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e00a584e28efb1d38fcd92ba490e402f8e1b6b2f [INFO] testing xudifsd/rust_leet against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxudifsd%2Frust_leet" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xudifsd/rust_leet on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xudifsd/rust_leet [INFO] finished tweaking git repo https://github.com/xudifsd/rust_leet [INFO] tweaked toml for git repo https://github.com/xudifsd/rust_leet written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/xudifsd/rust_leet already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded leetcode_prelude v0.2.2 [INFO] [stderr] Downloaded leetcode_test v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd48df93f05c997167d105c21a01beb33982710ea25993d4bc7ad7e99ec601ec [INFO] running `Command { std: "docker" "start" "-a" "fd48df93f05c997167d105c21a01beb33982710ea25993d4bc7ad7e99ec601ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd48df93f05c997167d105c21a01beb33982710ea25993d4bc7ad7e99ec601ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd48df93f05c997167d105c21a01beb33982710ea25993d4bc7ad7e99ec601ec", kill_on_drop: false }` [INFO] [stdout] fd48df93f05c997167d105c21a01beb33982710ea25993d4bc7ad7e99ec601ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e8035c0df5ad0a13d758339e1f81e8b4b5c9c265ba012c9e1137ced62fa7c5d [INFO] running `Command { std: "docker" "start" "-a" "7e8035c0df5ad0a13d758339e1f81e8b4b5c9c265ba012c9e1137ced62fa7c5d", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling leetcode_test v0.1.1 [INFO] [stderr] Compiling leetcode_prelude v0.2.2 [INFO] [stderr] Compiling rust_leet v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `tail` [INFO] [stdout] --> src/design_linked_list.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | tail: Rc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MyLinkedList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/design_linked_list.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.07s [INFO] running `Command { std: "docker" "inspect" "7e8035c0df5ad0a13d758339e1f81e8b4b5c9c265ba012c9e1137ced62fa7c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e8035c0df5ad0a13d758339e1f81e8b4b5c9c265ba012c9e1137ced62fa7c5d", kill_on_drop: false }` [INFO] [stdout] 7e8035c0df5ad0a13d758339e1f81e8b4b5c9c265ba012c9e1137ced62fa7c5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56f38f46c6dda94025704b11a749f8341424efa7a3d72ae71173c59a0500df6f [INFO] running `Command { std: "docker" "start" "-a" "56f38f46c6dda94025704b11a749f8341424efa7a3d72ae71173c59a0500df6f", kill_on_drop: false }` [INFO] [stderr] Compiling rust_leet v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `tail` [INFO] [stdout] --> src/design_linked_list.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | tail: Rc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MyLinkedList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/design_linked_list.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "56f38f46c6dda94025704b11a749f8341424efa7a3d72ae71173c59a0500df6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56f38f46c6dda94025704b11a749f8341424efa7a3d72ae71173c59a0500df6f", kill_on_drop: false }` [INFO] [stdout] 56f38f46c6dda94025704b11a749f8341424efa7a3d72ae71173c59a0500df6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1415824d6b515e76a68987060eb8a3a2870071083c1d71483470f78cdd758b14 [INFO] running `Command { std: "docker" "start" "-a" "1415824d6b515e76a68987060eb8a3a2870071083c1d71483470f78cdd758b14", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `tail` [INFO] [stderr] --> src/design_linked_list.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | tail: Rc>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `MyLinkedList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/design_linked_list.rs:44:10 [INFO] [stderr] | [INFO] [stderr] 44 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `rust_leet` (bin "rust_leet" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_leet-1103b93d73490176) [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" "1415824d6b515e76a68987060eb8a3a2870071083c1d71483470f78cdd758b14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1415824d6b515e76a68987060eb8a3a2870071083c1d71483470f78cdd758b14", kill_on_drop: false }` [INFO] [stdout] 1415824d6b515e76a68987060eb8a3a2870071083c1d71483470f78cdd758b14