[INFO] cloning repository https://github.com/morka17/linkedList [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/morka17/linkedList" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2FlinkedList", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2FlinkedList'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6e0fad0cb5e2e73251c61de2a7f580e70e8f6d37 [INFO] checking morka17/linkedList against master#0c478fdfe138a8b09744798c85fe2be657768b00 for pr-139419 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2FlinkedList" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/morka17/linkedList on toolchain 0c478fdfe138a8b09744798c85fe2be657768b00 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/morka17/linkedList [INFO] finished tweaking git repo https://github.com/morka17/linkedList [INFO] tweaked toml for git repo https://github.com/morka17/linkedList written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/morka17/linkedList 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" "+0c478fdfe138a8b09744798c85fe2be657768b00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f66538461c90edbe5271bfb8242552f564b93f23c2ebc75bfee2218d5f9a824 [INFO] running `Command { std: "docker" "start" "-a" "0f66538461c90edbe5271bfb8242552f564b93f23c2ebc75bfee2218d5f9a824", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f66538461c90edbe5271bfb8242552f564b93f23c2ebc75bfee2218d5f9a824", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f66538461c90edbe5271bfb8242552f564b93f23c2ebc75bfee2218d5f9a824", kill_on_drop: false }` [INFO] [stdout] 0f66538461c90edbe5271bfb8242552f564b93f23c2ebc75bfee2218d5f9a824 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85f50fd59246c73736839ba388da259331e876b6118206c5046b1587dfd9dda6 [INFO] running `Command { std: "docker" "start" "-a" "85f50fd59246c73736839ba388da259331e876b6118206c5046b1587dfd9dda6", kill_on_drop: false }` [INFO] [stderr] Checking linkedList v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/doubly_linked_list.rs:145:28 [INFO] [stdout] | [INFO] [stdout] 145 | pub fn contains(&self, x: &T) -> bool [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `head` and `tail` are never read [INFO] [stdout] --> src/doubly_linked_list.rs:200:5 [INFO] [stdout] | [INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 200 | head: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 201 | tail: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/stack.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl Stack { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn peek(&self) -> Option<&T>{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn peek_mut(&mut self) -> Option<&mut T>{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn into_iter_for_stack(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `linkedList` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `linked_list` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaDxO4ET/full.rmeta`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/doubly_linked_list.rs:145:28 [INFO] [stdout] | [INFO] [stdout] 145 | pub fn contains(&self, x: &T) -> bool [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `linkedList` (lib) due to 1 previous error; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `add_it_works` is never used [INFO] [stdout] --> src/single_linked_list.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | fn add_it_works() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `head` and `tail` are never read [INFO] [stdout] --> src/doubly_linked_list.rs:200:5 [INFO] [stdout] | [INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 200 | head: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 201 | tail: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "85f50fd59246c73736839ba388da259331e876b6118206c5046b1587dfd9dda6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85f50fd59246c73736839ba388da259331e876b6118206c5046b1587dfd9dda6", kill_on_drop: false }` [INFO] [stdout] 85f50fd59246c73736839ba388da259331e876b6118206c5046b1587dfd9dda6