[INFO] updating cached repository https://github.com/axel-kaliff/hw14
[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] b1b5db79dee162c5b852f187e6833d7d8fe8e054
[INFO] checking axel-kaliff/hw14 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fhw14" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axel-kaliff/hw14 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/axel-kaliff/hw14
[INFO] finished tweaking git repo https://github.com/axel-kaliff/hw14
[INFO] tweaked toml for git repo https://github.com/axel-kaliff/hw14 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/axel-kaliff/hw14 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] c6c5f9b6270a88a8e9809ee6598784ce7e00eb235e106e1d90b33b51cd37e884
[INFO] running `"docker" "start" "-a" "c6c5f9b6270a88a8e9809ee6598784ce7e00eb235e106e1d90b33b51cd37e884"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking hw14 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `number_of_cases` is assigned to, but never used
[INFO] [stderr]  --> src/wd.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut number_of_cases = 0;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]   = note: consider using `_number_of_cases` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `number_of_cases` is never read
[INFO] [stderr]   --> src/wd.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             number_of_cases = nums[0] as u32;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `number_of_cases` is assigned to, but never used
[INFO] [stderr]  --> src/wd.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut number_of_cases = 0;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]   = note: consider using `_number_of_cases` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `number_of_cases` is never read
[INFO] [stderr]   --> src/wd.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             number_of_cases = nums[0] as u32;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/wd.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 | ...                   let mut max = cmp::min(cmp::min(x, s - x), cmp::min(y, s - y));
[INFO] [stderr]    |                           ----^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/wd.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 | ...                   let mut max = cmp::min(cmp::min(x, s - x), cmp::min(y, s - y));
[INFO] [stderr]    |                           ----^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hw14::trojke::trojke`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hw14::trojke::trojke;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hw14::trojke::trojke`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hw14::trojke::trojke;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "c6c5f9b6270a88a8e9809ee6598784ce7e00eb235e106e1d90b33b51cd37e884"`
[INFO] running `"docker" "rm" "-f" "c6c5f9b6270a88a8e9809ee6598784ce7e00eb235e106e1d90b33b51cd37e884"`
[INFO] [stdout] c6c5f9b6270a88a8e9809ee6598784ce7e00eb235e106e1d90b33b51cd37e884