[INFO] cloning repository https://github.com/FCoder2021/LinkedTable-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FCoder2021/LinkedTable-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFCoder2021%2FLinkedTable-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFCoder2021%2FLinkedTable-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 330ebf9f4a06a6dc7065279a3f4b361d04665ebf [INFO] checking FCoder2021/LinkedTable-rust/330ebf9f4a06a6dc7065279a3f4b361d04665ebf against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFCoder2021%2FLinkedTable-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FCoder2021/LinkedTable-rust on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FCoder2021/LinkedTable-rust [INFO] finished tweaking git repo https://github.com/FCoder2021/LinkedTable-rust [INFO] tweaked toml for git repo https://github.com/FCoder2021/LinkedTable-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/FCoder2021/LinkedTable-rust 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b8420805a57de46454ca72fcb6d1a4ef2ca47ffaaf6904786c6be17e390e820d [INFO] running `Command { std: "docker" "start" "-a" "b8420805a57de46454ca72fcb6d1a4ef2ca47ffaaf6904786c6be17e390e820d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8420805a57de46454ca72fcb6d1a4ef2ca47ffaaf6904786c6be17e390e820d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8420805a57de46454ca72fcb6d1a4ef2ca47ffaaf6904786c6be17e390e820d", kill_on_drop: false }` [INFO] [stdout] b8420805a57de46454ca72fcb6d1a4ef2ca47ffaaf6904786c6be17e390e820d [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3258a7f2b3e0f5e7455081f89b6249988d46883fc66e8c83cfcbb0bfde339b80 [INFO] running `Command { std: "docker" "start" "-a" "3258a7f2b3e0f5e7455081f89b6249988d46883fc66e8c83cfcbb0bfde339b80", kill_on_drop: false }` [INFO] [stderr] Checking LinkTable v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `pop_link` and `peek_node` are never used [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 18 | impl LinkedList { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 37 | fn pop_link(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn peek_node(&self) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop_link` and `peek_node` are never used [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 18 | impl LinkedList { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 37 | fn pop_link(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn peek_node(&self) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "3258a7f2b3e0f5e7455081f89b6249988d46883fc66e8c83cfcbb0bfde339b80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3258a7f2b3e0f5e7455081f89b6249988d46883fc66e8c83cfcbb0bfde339b80", kill_on_drop: false }` [INFO] [stdout] 3258a7f2b3e0f5e7455081f89b6249988d46883fc66e8c83cfcbb0bfde339b80