[INFO] cloning repository https://github.com/ramses2099/leetlib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ramses2099/leetlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framses2099%2Fleetlib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framses2099%2Fleetlib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06213288538d79619018b949e4bcc26d66b18080 [INFO] checking ramses2099/leetlib against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framses2099%2Fleetlib" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ramses2099/leetlib [INFO] finished tweaking git repo https://github.com/ramses2099/leetlib [INFO] tweaked toml for git repo https://github.com/ramses2099/leetlib written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ramses2099/leetlib on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ramses2099/leetlib already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a84cf73cefc510407050b79066115108b6a6e1cbdf0535a35e5cfdaedf954a9 [INFO] running `Command { std: "docker" "start" "-a" "4a84cf73cefc510407050b79066115108b6a6e1cbdf0535a35e5cfdaedf954a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a84cf73cefc510407050b79066115108b6a6e1cbdf0535a35e5cfdaedf954a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a84cf73cefc510407050b79066115108b6a6e1cbdf0535a35e5cfdaedf954a9", kill_on_drop: false }` [INFO] [stdout] 4a84cf73cefc510407050b79066115108b6a6e1cbdf0535a35e5cfdaedf954a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4b88dcda98116f6729732a05ced6996b4d746765ae6a636e97eca0e63d21fb1 [INFO] running `Command { std: "docker" "start" "-a" "c4b88dcda98116f6729732a05ced6996b4d746765ae6a636e97eca0e63d21fb1", kill_on_drop: false }` [INFO] [stderr] Checking leetlib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lc_00206_reverse_linked_list.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | #[inline] [INFO] [stdout] 10 | 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: struct `Solution` is never constructed [INFO] [stdout] --> src/lc_00206_reverse_linked_list.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `reverse_list`, `from_vec`, and `to_vec` are never used [INFO] [stdout] --> src/lc_00206_reverse_linked_list.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 16 | pub fn reverse_list(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn from_vec(vec: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn to_vec(head: Option>) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "c4b88dcda98116f6729732a05ced6996b4d746765ae6a636e97eca0e63d21fb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4b88dcda98116f6729732a05ced6996b4d746765ae6a636e97eca0e63d21fb1", kill_on_drop: false }` [INFO] [stdout] c4b88dcda98116f6729732a05ced6996b4d746765ae6a636e97eca0e63d21fb1