[INFO] updating cached repository https://github.com/dyens/sorters [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] abe31d78dbf7e53f21a0d9165318f694f3ea5127 [INFO] checking dyens/sorters against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyens%2Fsorters" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dyens/sorters on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dyens/sorters [INFO] finished tweaking git repo https://github.com/dyens/sorters [INFO] tweaked toml for git repo https://github.com/dyens/sorters written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/dyens/sorters already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 82bbf784c3d0a03f77169b2be470df3a110903e36736d129f5eebde52e87dd79 [INFO] running `"docker" "start" "-a" "82bbf784c3d0a03f77169b2be470df3a110903e36736d129f5eebde52e87dd79"` [INFO] [stderr] Checking rand v0.5.1 [INFO] [stderr] Checking sorters v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: constant item is never used: `N` [INFO] [stderr] --> src/main.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | const N: usize = 1000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_vector` [INFO] [stderr] --> src/main.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn gen_vector(len: usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `rust_sort` [INFO] [stderr] --> src/main.rs:20:4 [INFO] [stderr] | [INFO] [stderr] 20 | fn rust_sort(v: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bubble_sort` [INFO] [stderr] --> src/main.rs:24:4 [INFO] [stderr] | [INFO] [stderr] 24 | fn bubble_sort(v: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `insert_sort` [INFO] [stderr] --> src/main.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn insert_sort(v: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gnome_sort` [INFO] [stderr] --> src/main.rs:56:4 [INFO] [stderr] | [INFO] [stderr] 56 | fn gnome_sort(v: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_sort` [INFO] [stderr] --> src/main.rs:104:4 [INFO] [stderr] | [INFO] [stderr] 104 | fn merge_sort(v: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Node` [INFO] [stderr] --> src/main.rs:110:8 [INFO] [stderr] | [INFO] [stderr] 110 | struct Node where T: Ord + Clone { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | fn new(new_val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/main.rs:128:5 [INFO] [stderr] | [INFO] [stderr] 128 | fn insert(&mut self, new_val: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `travel` [INFO] [stderr] --> src/main.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 141 | fn travel(&self, to: &mut Vec ) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tree_sort` [INFO] [stderr] --> src/main.rs:158:4 [INFO] [stderr] | [INFO] [stderr] 158 | fn tree_sort(v: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bench_sort` [INFO] [stderr] --> src/main.rs:205:4 [INFO] [stderr] | [INFO] [stderr] 205 | fn bench_sort(f: F) where [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.13s [INFO] running `"docker" "inspect" "82bbf784c3d0a03f77169b2be470df3a110903e36736d129f5eebde52e87dd79"` [INFO] running `"docker" "rm" "-f" "82bbf784c3d0a03f77169b2be470df3a110903e36736d129f5eebde52e87dd79"` [INFO] [stdout] 82bbf784c3d0a03f77169b2be470df3a110903e36736d129f5eebde52e87dd79