[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 try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFCoder2021%2FLinkedTable-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FCoder2021/LinkedTable-rust on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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-4-tc2/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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f6acc5abef9204ac126d596b8ff3d90d67ed817f7c8d069e9f86b9ff95084a00 [INFO] running `Command { std: "docker" "start" "-a" "f6acc5abef9204ac126d596b8ff3d90d67ed817f7c8d069e9f86b9ff95084a00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6acc5abef9204ac126d596b8ff3d90d67ed817f7c8d069e9f86b9ff95084a00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6acc5abef9204ac126d596b8ff3d90d67ed817f7c8d069e9f86b9ff95084a00", kill_on_drop: false }` [INFO] [stdout] f6acc5abef9204ac126d596b8ff3d90d67ed817f7c8d069e9f86b9ff95084a00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce7512e4027afef8fb9e4766707c61752902ccda852cf4bf99bd3cd58eca495f [INFO] running `Command { std: "docker" "start" "-a" "ce7512e4027afef8fb9e4766707c61752902ccda852cf4bf99bd3cd58eca495f", 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 0.21s [INFO] running `Command { std: "docker" "inspect" "ce7512e4027afef8fb9e4766707c61752902ccda852cf4bf99bd3cd58eca495f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce7512e4027afef8fb9e4766707c61752902ccda852cf4bf99bd3cd58eca495f", kill_on_drop: false }` [INFO] [stdout] ce7512e4027afef8fb9e4766707c61752902ccda852cf4bf99bd3cd58eca495f