[INFO] cloning repository https://github.com/AllanJRY/data_structures_algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AllanJRY/data_structures_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllanJRY%2Fdata_structures_algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllanJRY%2Fdata_structures_algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56b3cbe12e4f10593aa0fc6a56381a053471d5c1 [INFO] checking AllanJRY/data_structures_algorithms against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllanJRY%2Fdata_structures_algorithms" "/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/AllanJRY/data_structures_algorithms on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AllanJRY/data_structures_algorithms [INFO] finished tweaking git repo https://github.com/AllanJRY/data_structures_algorithms [INFO] tweaked toml for git repo https://github.com/AllanJRY/data_structures_algorithms written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AllanJRY/data_structures_algorithms 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 54d279b28bd3210b674fff5a36b9d71dc7025325ae1d20db04f31dd96bbac092 [INFO] running `Command { std: "docker" "start" "-a" "54d279b28bd3210b674fff5a36b9d71dc7025325ae1d20db04f31dd96bbac092", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54d279b28bd3210b674fff5a36b9d71dc7025325ae1d20db04f31dd96bbac092", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54d279b28bd3210b674fff5a36b9d71dc7025325ae1d20db04f31dd96bbac092", kill_on_drop: false }` [INFO] [stdout] 54d279b28bd3210b674fff5a36b9d71dc7025325ae1d20db04f31dd96bbac092 [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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e80d6626a6d1bb386c372cbd5f51a8a2f820266ee593b79e7e92e9ff835385eb [INFO] running `Command { std: "docker" "start" "-a" "e80d6626a6d1bb386c372cbd5f51a8a2f820266ee593b79e7e92e9ff835385eb", kill_on_drop: false }` [INFO] [stderr] Checking data_structures_algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `push`, `pop`, `peek`, `peek_mut`, and `reverse` are never used [INFO] [stdout] --> src/structures/physical/linked_list/mod.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub trait LinkedList { [INFO] [stdout] | ---------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 12 | fn push(&mut self, val: T); [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn pop(&mut self) -> Option; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn peek(&self) -> Option<&T>; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn peek_mut(&mut self) -> Option<&mut T>; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | fn reverse(&mut self); [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: method `reverse` is never used [INFO] [stdout] --> src/structures/physical/linked_list/mod.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub trait LinkedList { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 26 | fn reverse(&mut self); [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 0.31s [INFO] running `Command { std: "docker" "inspect" "e80d6626a6d1bb386c372cbd5f51a8a2f820266ee593b79e7e92e9ff835385eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e80d6626a6d1bb386c372cbd5f51a8a2f820266ee593b79e7e92e9ff835385eb", kill_on_drop: false }` [INFO] [stdout] e80d6626a6d1bb386c372cbd5f51a8a2f820266ee593b79e7e92e9ff835385eb