Dec 11 10:32:20.142 INFO checking rust-gjk/rim against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 10:32:20.142 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 10:32:20.565 INFO [stdout] bd4e3ff64bb11dcfec51d45f4d7e3279d02722674f2898903bf22f76cb990477
Dec 11 10:32:20.570 INFO running `"docker" "start" "-a" "bd4e3ff64bb11dcfec51d45f4d7e3279d02722674f2898903bf22f76cb990477"`
Dec 11 10:32:21.760 INFO [stderr] usermod: no changes
Dec 11 10:32:21.849 INFO [stderr]     Checking rim v0.1.0 (/source)
Dec 11 10:32:22.044 INFO [stderr] warning: unused import: `Read`
Dec 11 10:32:22.044 INFO [stderr]  --> src/main.rs:1:21
Dec 11 10:32:22.044 INFO [stderr]   |
Dec 11 10:32:22.044 INFO [stderr] 1 | use std::io::{self, Read, Write};
Dec 11 10:32:22.044 INFO [stderr]   |                     ^^^^
Dec 11 10:32:22.044 INFO [stderr]   |
Dec 11 10:32:22.052 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:32:22.052 INFO [stderr] 
Dec 11 10:32:22.100 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:32:22.100 INFO [stderr]  --> src/main.rs:6:6
Dec 11 10:32:22.100 INFO [stderr]   |
Dec 11 10:32:22.100 INFO [stderr] 6 |     let mut stdin = io::stdin();
Dec 11 10:32:22.100 INFO [stderr]   |         ----^^^^^
Dec 11 10:32:22.100 INFO [stderr]   |         |
Dec 11 10:32:22.100 INFO [stderr]   |         help: remove this `mut`
Dec 11 10:32:22.100 INFO [stderr]   |
Dec 11 10:32:22.100 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 10:32:22.100 INFO [stderr] 
Dec 11 10:32:22.103 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:32:22.103 INFO [stderr]  --> src/main.rs:8:2
Dec 11 10:32:22.103 INFO [stderr]   |
Dec 11 10:32:22.103 INFO [stderr] 8 |     stdin.read_line(&mut buf);
Dec 11 10:32:22.103 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:32:22.103 INFO [stderr]   |
Dec 11 10:32:22.103 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 11 10:32:22.103 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:32:22.103 INFO [stderr] 
Dec 11 10:32:22.324 INFO [stderr] warning: unused import: `Read`
Dec 11 10:32:22.324 INFO [stderr]  --> src/main.rs:1:21
Dec 11 10:32:22.324 INFO [stderr]   |
Dec 11 10:32:22.324 INFO [stderr] 1 | use std::io::{self, Read, Write};
Dec 11 10:32:22.324 INFO [stderr]   |                     ^^^^
Dec 11 10:32:22.324 INFO [stderr]   |
Dec 11 10:32:22.324 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:32:22.324 INFO [stderr] 
Dec 11 10:32:22.368 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:32:22.368 INFO [stderr]  --> src/main.rs:6:6
Dec 11 10:32:22.368 INFO [stderr]   |
Dec 11 10:32:22.368 INFO [stderr] 6 |     let mut stdin = io::stdin();
Dec 11 10:32:22.368 INFO [stderr]   |         ----^^^^^
Dec 11 10:32:22.368 INFO [stderr]   |         |
Dec 11 10:32:22.368 INFO [stderr]   |         help: remove this `mut`
Dec 11 10:32:22.368 INFO [stderr]   |
Dec 11 10:32:22.368 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 10:32:22.368 INFO [stderr] 
Dec 11 10:32:22.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:32:22.377 INFO [stderr]  --> src/main.rs:8:2
Dec 11 10:32:22.377 INFO [stderr]   |
Dec 11 10:32:22.377 INFO [stderr] 8 |     stdin.read_line(&mut buf);
Dec 11 10:32:22.378 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:32:22.378 INFO [stderr]   |
Dec 11 10:32:22.378 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 11 10:32:22.378 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:32:22.378 INFO [stderr] 
Dec 11 10:32:22.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 11 10:32:22.414 INFO [stderr] su: No module specific data is present
Dec 11 10:32:23.436 INFO running `"docker" "inspect" "bd4e3ff64bb11dcfec51d45f4d7e3279d02722674f2898903bf22f76cb990477"`
Dec 11 10:32:23.756 INFO running `"docker" "rm" "-f" "bd4e3ff64bb11dcfec51d45f4d7e3279d02722674f2898903bf22f76cb990477"`
Dec 11 10:32:24.002 INFO [stdout] bd4e3ff64bb11dcfec51d45f4d7e3279d02722674f2898903bf22f76cb990477