Dec 01 01:19:26.800 INFO checking btree-0.1.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Dec 01 01:19:26.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 01 01:19:26.960 INFO [stdout] fd2d950e4f9ba2832225307db67374273e4e365fa9a5bc054677a08ecc1ff2b4
Dec 01 01:19:26.962 INFO running `"docker" "start" "-a" "fd2d950e4f9ba2832225307db67374273e4e365fa9a5bc054677a08ecc1ff2b4"`
Dec 01 01:19:27.340 INFO [stderr] usermod: no changes
Dec 01 01:19:27.374 INFO [stderr] warning: `panic` setting is ignored for `test` profile
Dec 01 01:19:27.387 INFO [stderr]     Checking raw_serde v0.1.4
Dec 01 01:19:32.784 INFO [stderr]     Checking btree v0.1.0 (/source)
Dec 01 01:19:34.748 INFO [stderr] warning: unused variable: `x`
Dec 01 01:19:34.748 INFO [stderr]   --> src/lib.rs:26:13
Dec 01 01:19:34.748 INFO [stderr]    |
Dec 01 01:19:34.748 INFO [stderr] 26 |         let x = t.search(&i.to_string()).unwrap().unwrap();
Dec 01 01:19:34.748 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 01 01:19:34.748 INFO [stderr]    |
Dec 01 01:19:34.748 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 01:19:34.748 INFO [stderr] 
Dec 01 01:19:34.824 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.46s
Dec 01 01:19:34.831 INFO [stderr] su: No module specific data is present
Dec 01 01:19:35.322 INFO running `"docker" "inspect" "fd2d950e4f9ba2832225307db67374273e4e365fa9a5bc054677a08ecc1ff2b4"`
Dec 01 01:19:35.522 INFO running `"docker" "rm" "-f" "fd2d950e4f9ba2832225307db67374273e4e365fa9a5bc054677a08ecc1ff2b4"`
Dec 01 01:19:35.716 INFO [stdout] fd2d950e4f9ba2832225307db67374273e4e365fa9a5bc054677a08ecc1ff2b4