Dec 04 09:36:57.418 INFO checking stan4cb/rust-tools against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 09:36:57.418 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 09:36:57.614 INFO [stdout] a517f24aaef67b1d6828404fa637350586e8a0b6a0fda8366c28f189fd9f1157
Dec 04 09:36:57.617 INFO running `"docker" "start" "-a" "a517f24aaef67b1d6828404fa637350586e8a0b6a0fda8366c28f189fd9f1157"`
Dec 04 09:36:58.642 INFO [stderr] usermod: no changes
Dec 04 09:36:58.731 INFO [stderr]     Checking rust-tools v0.1.0 (/source)
Dec 04 09:36:58.975 INFO [stderr] warning: unused import: `Write`
Dec 04 09:36:58.975 INFO [stderr]  --> src/main.rs:2:21
Dec 04 09:36:58.975 INFO [stderr]   |
Dec 04 09:36:58.975 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Dec 04 09:36:58.976 INFO [stderr]   |                     ^^^^^
Dec 04 09:36:58.976 INFO [stderr]   |
Dec 04 09:36:58.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 09:36:58.976 INFO [stderr] 
Dec 04 09:36:58.976 INFO [stderr] warning: unused import: `Read`
Dec 04 09:36:58.976 INFO [stderr]  --> src/tools.rs:3:15
Dec 04 09:36:58.976 INFO [stderr]   |
Dec 04 09:36:58.976 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 04 09:36:58.976 INFO [stderr]   |               ^^^^
Dec 04 09:36:58.976 INFO [stderr] 
Dec 04 09:36:59.089 INFO [stderr] warning: unused import: `Write`
Dec 04 09:36:59.089 INFO [stderr]  --> src/main.rs:2:21
Dec 04 09:36:59.089 INFO [stderr]   |
Dec 04 09:36:59.089 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Dec 04 09:36:59.089 INFO [stderr]   |                     ^^^^^
Dec 04 09:36:59.089 INFO [stderr]   |
Dec 04 09:36:59.089 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 09:36:59.090 INFO [stderr] 
Dec 04 09:36:59.090 INFO [stderr] warning: unused import: `Read`
Dec 04 09:36:59.090 INFO [stderr]  --> src/tools.rs:3:15
Dec 04 09:36:59.090 INFO [stderr]   |
Dec 04 09:36:59.090 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 04 09:36:59.091 INFO [stderr]   |               ^^^^
Dec 04 09:36:59.091 INFO [stderr] 
Dec 04 09:36:59.191 INFO [stderr] warning: unused variable: `res`
Dec 04 09:36:59.191 INFO [stderr]    --> src/main.rs:135:24
Dec 04 09:36:59.191 INFO [stderr]     |
Dec 04 09:36:59.191 INFO [stderr] 135 |                     Ok(res) => {
Dec 04 09:36:59.192 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Dec 04 09:36:59.192 INFO [stderr]     |
Dec 04 09:36:59.192 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 09:36:59.192 INFO [stderr] 
Dec 04 09:36:59.224 INFO [stderr] warning: unused variable: `res`
Dec 04 09:36:59.224 INFO [stderr]    --> src/main.rs:135:24
Dec 04 09:36:59.224 INFO [stderr]     |
Dec 04 09:36:59.224 INFO [stderr] 135 |                     Ok(res) => {
Dec 04 09:36:59.224 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Dec 04 09:36:59.224 INFO [stderr]     |
Dec 04 09:36:59.224 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 09:36:59.224 INFO [stderr] 
Dec 04 09:36:59.268 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:36:59.268 INFO [stderr]    --> src/main.rs:131:17
Dec 04 09:36:59.268 INFO [stderr]     |
Dec 04 09:36:59.268 INFO [stderr] 131 |                 file.read_exact(&mut x);
Dec 04 09:36:59.268 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:36:59.268 INFO [stderr]     |
Dec 04 09:36:59.268 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 09:36:59.268 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:36:59.268 INFO [stderr] 
Dec 04 09:36:59.269 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:36:59.269 INFO [stderr]    --> src/main.rs:138:25
Dec 04 09:36:59.269 INFO [stderr]     |
Dec 04 09:36:59.269 INFO [stderr] 138 |                         file.read_exact(&mut a);
Dec 04 09:36:59.269 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:36:59.269 INFO [stderr]     |
Dec 04 09:36:59.269 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:36:59.269 INFO [stderr] 
Dec 04 09:36:59.269 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:36:59.269 INFO [stderr]    --> src/main.rs:141:25
Dec 04 09:36:59.269 INFO [stderr]     |
Dec 04 09:36:59.269 INFO [stderr] 141 |                         file.read_exact(&mut a);
Dec 04 09:36:59.269 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:36:59.269 INFO [stderr]     |
Dec 04 09:36:59.269 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:36:59.269 INFO [stderr] 
Dec 04 09:36:59.269 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:36:59.269 INFO [stderr]    --> src/main.rs:144:25
Dec 04 09:36:59.269 INFO [stderr]     |
Dec 04 09:36:59.269 INFO [stderr] 144 |                         file.read_exact(&mut a);
Dec 04 09:36:59.269 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:36:59.269 INFO [stderr]     |
Dec 04 09:36:59.270 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:36:59.270 INFO [stderr] 
Dec 04 09:36:59.314 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:36:59.315 INFO [stderr]    --> src/main.rs:131:17
Dec 04 09:36:59.315 INFO [stderr]     |
Dec 04 09:36:59.315 INFO [stderr] 131 |                 file.read_exact(&mut x);
Dec 04 09:36:59.316 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:36:59.316 INFO [stderr]     |
Dec 04 09:36:59.316 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 09:36:59.317 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:36:59.317 INFO [stderr] 
Dec 04 09:36:59.317 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:36:59.317 INFO [stderr]    --> src/main.rs:138:25
Dec 04 09:36:59.317 INFO [stderr]     |
Dec 04 09:36:59.318 INFO [stderr] 138 |                         file.read_exact(&mut a);
Dec 04 09:36:59.318 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:36:59.318 INFO [stderr]     |
Dec 04 09:36:59.318 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:36:59.318 INFO [stderr] 
Dec 04 09:36:59.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:36:59.319 INFO [stderr]    --> src/main.rs:141:25
Dec 04 09:36:59.319 INFO [stderr]     |
Dec 04 09:36:59.319 INFO [stderr] 141 |                         file.read_exact(&mut a);
Dec 04 09:36:59.320 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:36:59.320 INFO [stderr]     |
Dec 04 09:36:59.320 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:36:59.320 INFO [stderr] 
Dec 04 09:36:59.321 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:36:59.321 INFO [stderr]    --> src/main.rs:144:25
Dec 04 09:36:59.321 INFO [stderr]     |
Dec 04 09:36:59.321 INFO [stderr] 144 |                         file.read_exact(&mut a);
Dec 04 09:36:59.321 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:36:59.322 INFO [stderr]     |
Dec 04 09:36:59.322 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:36:59.322 INFO [stderr] 
Dec 04 09:36:59.347 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 04 09:36:59.350 INFO [stderr] su: No module specific data is present
Dec 04 09:36:59.983 INFO running `"docker" "inspect" "a517f24aaef67b1d6828404fa637350586e8a0b6a0fda8366c28f189fd9f1157"`
Dec 04 09:37:00.233 INFO running `"docker" "rm" "-f" "a517f24aaef67b1d6828404fa637350586e8a0b6a0fda8366c28f189fd9f1157"`
Dec 04 09:37:00.431 INFO [stdout] a517f24aaef67b1d6828404fa637350586e8a0b6a0fda8366c28f189fd9f1157