Nov 29 03:57:08.916 INFO checking btree-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 03:57:08.916 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 29 03:57:09.162 INFO [stdout] b6d02a1cb6b121f1a0462fabb86bbe42263d93714655d436b86dc245a5c1dedc
Nov 29 03:57:09.176 INFO running `"docker" "start" "-a" "b6d02a1cb6b121f1a0462fabb86bbe42263d93714655d436b86dc245a5c1dedc"`
Nov 29 03:57:10.035 INFO [stderr] usermod: no changes
Nov 29 03:57:10.061 INFO [stderr] warning: `panic` setting is ignored for `test` profile
Nov 29 03:57:10.070 INFO [stderr]     Checking raw_serde v0.1.4
Nov 29 03:57:15.934 INFO [stderr]     Checking btree v0.1.0 (/source)
Nov 29 03:57:18.095 INFO [stderr] warning: unused variable: `x`
Nov 29 03:57:18.095 INFO [stderr]   --> src/lib.rs:26:13
Nov 29 03:57:18.095 INFO [stderr]    |
Nov 29 03:57:18.095 INFO [stderr] 26 |         let x = t.search(&i.to_string()).unwrap().unwrap();
Nov 29 03:57:18.096 INFO [stderr]    |             ^ help: consider using `_x` instead
Nov 29 03:57:18.096 INFO [stderr]    |
Nov 29 03:57:18.096 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 03:57:18.096 INFO [stderr] 
Nov 29 03:57:18.208 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.15s
Nov 29 03:57:18.211 INFO [stderr] su: No module specific data is present
Nov 29 03:57:18.910 INFO running `"docker" "inspect" "b6d02a1cb6b121f1a0462fabb86bbe42263d93714655d436b86dc245a5c1dedc"`
Nov 29 03:57:19.238 INFO running `"docker" "rm" "-f" "b6d02a1cb6b121f1a0462fabb86bbe42263d93714655d436b86dc245a5c1dedc"`
Nov 29 03:57:19.389 INFO [stdout] b6d02a1cb6b121f1a0462fabb86bbe42263d93714655d436b86dc245a5c1dedc