Dec 17 16:31:51.613 INFO checking rust-gjk/rim against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:31:51.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/rust-gjk/rim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:31:52.003 INFO [stdout] 1c1d9968bc75e922d80cf87e68218b5dc8678fd5bd67fe6c5b22c3915db12d85
Dec 17 16:31:52.007 INFO running `"docker" "start" "-a" "1c1d9968bc75e922d80cf87e68218b5dc8678fd5bd67fe6c5b22c3915db12d85"`
Dec 17 16:31:53.523 INFO [stderr]     Checking rim v0.1.0 (/opt/crater/workdir)
Dec 17 16:31:53.720 INFO [stderr] warning: unused import: `Read`
Dec 17 16:31:53.720 INFO [stderr]  --> src/main.rs:1:21
Dec 17 16:31:53.720 INFO [stderr]   |
Dec 17 16:31:53.720 INFO [stderr] 1 | use std::io::{self, Read, Write};
Dec 17 16:31:53.720 INFO [stderr]   |                     ^^^^
Dec 17 16:31:53.720 INFO [stderr]   |
Dec 17 16:31:53.720 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:31:53.720 INFO [stderr] 
Dec 17 16:31:53.776 INFO [stderr] warning: variable does not need to be mutable
Dec 17 16:31:53.776 INFO [stderr]  --> src/main.rs:6:6
Dec 17 16:31:53.776 INFO [stderr]   |
Dec 17 16:31:53.776 INFO [stderr] 6 |     let mut stdin = io::stdin();
Dec 17 16:31:53.776 INFO [stderr]   |         ----^^^^^
Dec 17 16:31:53.776 INFO [stderr]   |         |
Dec 17 16:31:53.776 INFO [stderr]   |         help: remove this `mut`
Dec 17 16:31:53.776 INFO [stderr]   |
Dec 17 16:31:53.776 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 16:31:53.776 INFO [stderr] 
Dec 17 16:31:53.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:31:53.792 INFO [stderr]  --> src/main.rs:8:2
Dec 17 16:31:53.792 INFO [stderr]   |
Dec 17 16:31:53.792 INFO [stderr] 8 |     stdin.read_line(&mut buf);
Dec 17 16:31:53.792 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:31:53.792 INFO [stderr]   |
Dec 17 16:31:53.792 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 17 16:31:53.792 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:31:53.792 INFO [stderr] 
Dec 17 16:31:53.872 INFO [stderr] warning: unused import: `Read`
Dec 17 16:31:53.872 INFO [stderr]  --> src/main.rs:1:21
Dec 17 16:31:53.872 INFO [stderr]   |
Dec 17 16:31:53.872 INFO [stderr] 1 | use std::io::{self, Read, Write};
Dec 17 16:31:53.872 INFO [stderr]   |                     ^^^^
Dec 17 16:31:53.872 INFO [stderr]   |
Dec 17 16:31:53.872 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:31:53.872 INFO [stderr] 
Dec 17 16:31:53.932 INFO [stderr] warning: variable does not need to be mutable
Dec 17 16:31:53.932 INFO [stderr]  --> src/main.rs:6:6
Dec 17 16:31:53.932 INFO [stderr]   |
Dec 17 16:31:53.932 INFO [stderr] 6 |     let mut stdin = io::stdin();
Dec 17 16:31:53.932 INFO [stderr]   |         ----^^^^^
Dec 17 16:31:53.932 INFO [stderr]   |         |
Dec 17 16:31:53.932 INFO [stderr]   |         help: remove this `mut`
Dec 17 16:31:53.932 INFO [stderr]   |
Dec 17 16:31:53.932 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 16:31:53.932 INFO [stderr] 
Dec 17 16:31:53.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:31:53.944 INFO [stderr]  --> src/main.rs:8:2
Dec 17 16:31:53.944 INFO [stderr]   |
Dec 17 16:31:53.944 INFO [stderr] 8 |     stdin.read_line(&mut buf);
Dec 17 16:31:53.944 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:31:53.944 INFO [stderr]   |
Dec 17 16:31:53.944 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 17 16:31:53.944 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:31:53.944 INFO [stderr] 
Dec 17 16:31:54.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 17 16:31:55.064 INFO running `"docker" "inspect" "1c1d9968bc75e922d80cf87e68218b5dc8678fd5bd67fe6c5b22c3915db12d85"`
Dec 17 16:31:55.432 INFO running `"docker" "rm" "-f" "1c1d9968bc75e922d80cf87e68218b5dc8678fd5bd67fe6c5b22c3915db12d85"`
Dec 17 16:31:55.740 INFO [stdout] 1c1d9968bc75e922d80cf87e68218b5dc8678fd5bd67fe6c5b22c3915db12d85