Dec 04 14:02:42.845 INFO checking mitchhentges/lcov-rs against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:02:42.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 14:02:43.311 INFO [stdout] c1154f4b53a6c8cc81c4df171f7256763e6d1cfaea4bb52e991ef72eec11b14c
Dec 04 14:02:43.316 INFO running `"docker" "start" "-a" "c1154f4b53a6c8cc81c4df171f7256763e6d1cfaea4bb52e991ef72eec11b14c"`
Dec 04 14:02:44.451 INFO [stderr] usermod: no changes
Dec 04 14:02:44.535 INFO [stderr]     Checking either v1.1.0
Dec 04 14:02:44.839 INFO [stderr]     Checking itertools v0.5.10
Dec 04 14:02:46.592 INFO [stderr]     Checking lcov-rs v0.1.0 (/source)
Dec 04 14:02:47.115 INFO [stderr] warning: unused variable: `tmp_output_path`
Dec 04 14:02:47.115 INFO [stderr]    --> src/main.rs:148:31
Dec 04 14:02:47.115 INFO [stderr]     |
Dec 04 14:02:47.115 INFO [stderr] 148 | fn read_gcda(gcda_path: &str, tmp_output_path: &str) {
Dec 04 14:02:47.115 INFO [stderr]     |                               ^^^^^^^^^^^^^^^ help: consider using `_tmp_output_path` instead
Dec 04 14:02:47.115 INFO [stderr]     |
Dec 04 14:02:47.115 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 14:02:47.115 INFO [stderr] 
Dec 04 14:02:47.170 INFO [stderr] warning: constant item is never used: `ARC_ON_TREE`
Dec 04 14:02:47.170 INFO [stderr]   --> src/main.rs:23:1
Dec 04 14:02:47.170 INFO [stderr]    |
Dec 04 14:02:47.170 INFO [stderr] 23 | const ARC_ON_TREE: u32 = 1 << 0;
Dec 04 14:02:47.170 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:02:47.170 INFO [stderr]    |
Dec 04 14:02:47.170 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 14:02:47.170 INFO [stderr] 
Dec 04 14:02:47.177 INFO [stderr] warning: method is never used: `is_on_tree`
Dec 04 14:02:47.177 INFO [stderr]    --> src/main.rs:412:5
Dec 04 14:02:47.177 INFO [stderr]     |
Dec 04 14:02:47.177 INFO [stderr] 412 |     fn is_on_tree(&self) -> bool {
Dec 04 14:02:47.177 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:02:47.177 INFO [stderr] 
Dec 04 14:02:47.299 INFO [stderr] warning: unused variable: `tmp_output_path`
Dec 04 14:02:47.299 INFO [stderr]    --> src/main.rs:148:31
Dec 04 14:02:47.299 INFO [stderr]     |
Dec 04 14:02:47.299 INFO [stderr] 148 | fn read_gcda(gcda_path: &str, tmp_output_path: &str) {
Dec 04 14:02:47.299 INFO [stderr]     |                               ^^^^^^^^^^^^^^^ help: consider using `_tmp_output_path` instead
Dec 04 14:02:47.299 INFO [stderr]     |
Dec 04 14:02:47.299 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 14:02:47.299 INFO [stderr] 
Dec 04 14:02:47.423 INFO [stderr] warning: constant item is never used: `ARC_ON_TREE`
Dec 04 14:02:47.423 INFO [stderr]   --> src/main.rs:23:1
Dec 04 14:02:47.423 INFO [stderr]    |
Dec 04 14:02:47.423 INFO [stderr] 23 | const ARC_ON_TREE: u32 = 1 << 0;
Dec 04 14:02:47.423 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:02:47.423 INFO [stderr]    |
Dec 04 14:02:47.423 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 14:02:47.423 INFO [stderr] 
Dec 04 14:02:47.423 INFO [stderr] warning: method is never used: `is_on_tree`
Dec 04 14:02:47.423 INFO [stderr]    --> src/main.rs:412:5
Dec 04 14:02:47.423 INFO [stderr]     |
Dec 04 14:02:47.423 INFO [stderr] 412 |     fn is_on_tree(&self) -> bool {
Dec 04 14:02:47.423 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:02:47.423 INFO [stderr] 
Dec 04 14:02:47.451 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
Dec 04 14:02:47.459 INFO [stderr] su: No module specific data is present
Dec 04 14:02:48.251 INFO running `"docker" "inspect" "c1154f4b53a6c8cc81c4df171f7256763e6d1cfaea4bb52e991ef72eec11b14c"`
Dec 04 14:02:48.553 INFO running `"docker" "rm" "-f" "c1154f4b53a6c8cc81c4df171f7256763e6d1cfaea4bb52e991ef72eec11b14c"`
Dec 04 14:02:48.768 INFO [stdout] c1154f4b53a6c8cc81c4df171f7256763e6d1cfaea4bb52e991ef72eec11b14c