[INFO] cloning repository https://github.com/aliaxy/Data_Structure_by_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aliaxy/Data_Structure_by_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliaxy%2FData_Structure_by_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliaxy%2FData_Structure_by_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef8dba5101ab06b5b40fae0d6c54d472506863d8 [INFO] checking aliaxy/Data_Structure_by_Rust/ef8dba5101ab06b5b40fae0d6c54d472506863d8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliaxy%2FData_Structure_by_Rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aliaxy/Data_Structure_by_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/aliaxy/Data_Structure_by_Rust [INFO] finished tweaking git repo https://github.com/aliaxy/Data_Structure_by_Rust [INFO] tweaked toml for git repo https://github.com/aliaxy/Data_Structure_by_Rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/aliaxy/Data_Structure_by_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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6a3f3fee788b1aa8a142bf30e989828fee4eb2cc4db061c19ab389f49463f206 [INFO] running `Command { std: "docker" "start" "-a" "6a3f3fee788b1aa8a142bf30e989828fee4eb2cc4db061c19ab389f49463f206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a3f3fee788b1aa8a142bf30e989828fee4eb2cc4db061c19ab389f49463f206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a3f3fee788b1aa8a142bf30e989828fee4eb2cc4db061c19ab389f49463f206", kill_on_drop: false }` [INFO] [stdout] 6a3f3fee788b1aa8a142bf30e989828fee4eb2cc4db061c19ab389f49463f206 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e70456e76095d3b120c6af23575c3527cf61caa1a60e0171d81535062b39e29b [INFO] running `Command { std: "docker" "start" "-a" "e70456e76095d3b120c6af23575c3527cf61caa1a60e0171d81535062b39e29b", kill_on_drop: false }` [INFO] [stderr] Checking data_structure v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/lvec.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/lvec.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type Link = Option>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lvec.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Node { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 13 | fn new(elem: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LVec` is never constructed [INFO] [stdout] --> src/lvec.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct LVec { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/lvec.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl LVec { [INFO] [stdout] | ----------------------------- associated items in this implementation [INFO] [stdout] 25 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn append(&mut self, other: &mut Self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | fn insert(&mut self, mut index: usize, elem: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | fn remove(&mut self, index: usize) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 124 | fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "e70456e76095d3b120c6af23575c3527cf61caa1a60e0171d81535062b39e29b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e70456e76095d3b120c6af23575c3527cf61caa1a60e0171d81535062b39e29b", kill_on_drop: false }` [INFO] [stdout] e70456e76095d3b120c6af23575c3527cf61caa1a60e0171d81535062b39e29b