[INFO] updating cached repository https://github.com/schulke-214/algorithms [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c7e0d019f8b94ab94b2bd8b5e92beccace89a89a [INFO] checking schulke-214/algorithms against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschulke-214%2Falgorithms" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/schulke-214/algorithms on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/schulke-214/algorithms [INFO] finished tweaking git repo https://github.com/schulke-214/algorithms [INFO] tweaked toml for git repo https://github.com/schulke-214/algorithms written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/schulke-214/algorithms already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] db72c56add5cc5e1cc8cd376d8a359ba2ae518b20d6d0d3862df4d53b5fddfa0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "db72c56add5cc5e1cc8cd376d8a359ba2ae518b20d6d0d3862df4d53b5fddfa0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking rand_jitter v0.1.2 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Checking getrandom v0.1.1 [INFO] [stderr] Checking rand_os v0.1.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking algorithms v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Sub` [INFO] [stderr] --> src/data_structures/graph.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::{Add, Sub}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sub` [INFO] [stderr] --> src/data_structures/graph.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::{Add, Sub}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/data_structures/graph.rs:12:25 [INFO] [stderr] | [INFO] [stderr] 12 | fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/data_structures/graph.rs:12:36 [INFO] [stderr] | [INFO] [stderr] 12 | fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/data_structures/graph.rs:12:25 [INFO] [stderr] | [INFO] [stderr] 12 | fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/data_structures/graph.rs:12:36 [INFO] [stderr] | [INFO] [stderr] 12 | fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `are_adjacent` [INFO] [stderr] --> src/data_structures/graph.rs:12:2 [INFO] [stderr] | [INFO] [stderr] 12 | fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/data_structures/graph.rs:32:2 [INFO] [stderr] | [INFO] [stderr] 32 | fn new(name: String) -> Vertex { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/data_structures/graph.rs:50:2 [INFO] [stderr] | [INFO] [stderr] 50 | fn new(from: Uuid, to: Uuid, name: Option, weight: Option) -> Edge { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `are_adjacent` [INFO] [stderr] --> src/data_structures/graph.rs:12:2 [INFO] [stderr] | [INFO] [stderr] 12 | fn are_adjacent(&self, n: Vertex, m: Vertex) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/data_structures/graph.rs:32:2 [INFO] [stderr] | [INFO] [stderr] 32 | fn new(name: String) -> Vertex { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/data_structures/graph.rs:50:2 [INFO] [stderr] | [INFO] [stderr] 50 | fn new(from: Uuid, to: Uuid, name: Option, weight: Option) -> Edge { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.39s [INFO] running `"docker" "inspect" "db72c56add5cc5e1cc8cd376d8a359ba2ae518b20d6d0d3862df4d53b5fddfa0"` [INFO] running `"docker" "rm" "-f" "db72c56add5cc5e1cc8cd376d8a359ba2ae518b20d6d0d3862df4d53b5fddfa0"` [INFO] [stdout] db72c56add5cc5e1cc8cd376d8a359ba2ae518b20d6d0d3862df4d53b5fddfa0