Dec 12 14:47:58.249 INFO checking funfun-0.2.4 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:47:58.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 14:47:58.748 INFO [stdout] ae7f5647bfc07f19df85e90d3872cfdaea3ec5ee3a30d918dbd002623d90601a
Dec 12 14:47:58.750 INFO running `"docker" "start" "-a" "ae7f5647bfc07f19df85e90d3872cfdaea3ec5ee3a30d918dbd002623d90601a"`
Dec 12 14:47:59.878 INFO [stderr] usermod: no changes
Dec 12 14:47:59.928 INFO [stderr]     Checking funfun v0.2.4 (/source)
Dec 12 14:48:00.434 INFO [stderr] warning: unused import: `std::fmt`
Dec 12 14:48:00.434 INFO [stderr]  --> src/lib.rs:2:5
Dec 12 14:48:00.434 INFO [stderr]   |
Dec 12 14:48:00.434 INFO [stderr] 2 | use std::fmt;
Dec 12 14:48:00.434 INFO [stderr]   |     ^^^^^^^^
Dec 12 14:48:00.434 INFO [stderr]   |
Dec 12 14:48:00.434 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:48:00.434 INFO [stderr] 
Dec 12 14:48:00.678 INFO [stderr] warning: unused import: `std::fmt`
Dec 12 14:48:00.678 INFO [stderr]  --> src/lib.rs:2:5
Dec 12 14:48:00.678 INFO [stderr]   |
Dec 12 14:48:00.678 INFO [stderr] 2 | use std::fmt;
Dec 12 14:48:00.678 INFO [stderr]   |     ^^^^^^^^
Dec 12 14:48:00.678 INFO [stderr]   |
Dec 12 14:48:00.678 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:48:00.678 INFO [stderr] 
Dec 12 14:48:00.748 INFO [stderr] warning: unused variable: `d`
Dec 12 14:48:00.748 INFO [stderr]    --> src/lib.rs:104:14
Dec 12 14:48:00.748 INFO [stderr]     |
Dec 12 14:48:00.748 INFO [stderr] 104 |             |d: &str| -> String {"reassign once".to_string()}
Dec 12 14:48:00.748 INFO [stderr]     |              ^ help: consider using `_d` instead
Dec 12 14:48:00.748 INFO [stderr]     |
Dec 12 14:48:00.748 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 14:48:00.748 INFO [stderr] 
Dec 12 14:48:00.748 INFO [stderr] warning: unused variable: `d`
Dec 12 14:48:00.748 INFO [stderr]    --> src/lib.rs:127:14
Dec 12 14:48:00.748 INFO [stderr]     |
Dec 12 14:48:00.748 INFO [stderr] 127 |             |d: &str| -> String {"reassign once".to_string()}
Dec 12 14:48:00.748 INFO [stderr]     |              ^ help: consider using `_d` instead
Dec 12 14:48:00.748 INFO [stderr] 
Dec 12 14:48:00.770 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:48:00.770 INFO [stderr]    --> src/lib.rs:147:13
Dec 12 14:48:00.770 INFO [stderr]     |
Dec 12 14:48:00.770 INFO [stderr] 147 |             res.join();
Dec 12 14:48:00.770 INFO [stderr]     |             ^^^^^^^^^^^
Dec 12 14:48:00.770 INFO [stderr]     |
Dec 12 14:48:00.770 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 14:48:00.770 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:48:00.770 INFO [stderr] 
Dec 12 14:48:00.770 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:48:00.770 INFO [stderr]    --> src/lib.rs:165:13
Dec 12 14:48:00.770 INFO [stderr]     |
Dec 12 14:48:00.770 INFO [stderr] 165 |             res.join();
Dec 12 14:48:00.770 INFO [stderr]     |             ^^^^^^^^^^^
Dec 12 14:48:00.770 INFO [stderr]     |
Dec 12 14:48:00.771 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:48:00.771 INFO [stderr] 
Dec 12 14:48:00.813 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 12 14:48:00.815 INFO [stderr] su: No module specific data is present
Dec 12 14:48:01.831 INFO running `"docker" "inspect" "ae7f5647bfc07f19df85e90d3872cfdaea3ec5ee3a30d918dbd002623d90601a"`
Dec 12 14:48:02.294 INFO running `"docker" "rm" "-f" "ae7f5647bfc07f19df85e90d3872cfdaea3ec5ee3a30d918dbd002623d90601a"`
Dec 12 14:48:02.671 INFO [stdout] ae7f5647bfc07f19df85e90d3872cfdaea3ec5ee3a30d918dbd002623d90601a