Nov 27 19:50:01.326 INFO checking stan4cb/rust-tools against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 19:50:01.326 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 27 19:50:01.880 INFO [stdout] 9aa34ee441131fef741f85891387b58cf3fd465bb0ec472f5fa4b3bbd44e542d
Nov 27 19:50:01.884 INFO running `"docker" "start" "-a" "9aa34ee441131fef741f85891387b58cf3fd465bb0ec472f5fa4b3bbd44e542d"`
Nov 27 19:50:02.976 INFO [stderr] usermod: no changes
Nov 27 19:50:03.010 INFO [stderr]     Checking rust-tools v0.1.0 (/source)
Nov 27 19:50:03.166 INFO [stderr] warning: unused import: `Write`
Nov 27 19:50:03.166 INFO [stderr]  --> src/main.rs:2:21
Nov 27 19:50:03.166 INFO [stderr]   |
Nov 27 19:50:03.166 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Nov 27 19:50:03.166 INFO [stderr]   |                     ^^^^^
Nov 27 19:50:03.166 INFO [stderr]   |
Nov 27 19:50:03.166 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 19:50:03.166 INFO [stderr] 
Nov 27 19:50:03.180 INFO [stderr] warning: unused import: `Read`
Nov 27 19:50:03.180 INFO [stderr]  --> src/tools.rs:3:15
Nov 27 19:50:03.180 INFO [stderr]   |
Nov 27 19:50:03.180 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 27 19:50:03.180 INFO [stderr]   |               ^^^^
Nov 27 19:50:03.180 INFO [stderr] 
Nov 27 19:50:03.214 INFO [stderr] warning: unused import: `Write`
Nov 27 19:50:03.214 INFO [stderr]  --> src/main.rs:2:21
Nov 27 19:50:03.214 INFO [stderr]   |
Nov 27 19:50:03.214 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Nov 27 19:50:03.214 INFO [stderr]   |                     ^^^^^
Nov 27 19:50:03.214 INFO [stderr]   |
Nov 27 19:50:03.214 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 19:50:03.215 INFO [stderr] 
Nov 27 19:50:03.215 INFO [stderr] warning: unused import: `Read`
Nov 27 19:50:03.215 INFO [stderr]  --> src/tools.rs:3:15
Nov 27 19:50:03.215 INFO [stderr]   |
Nov 27 19:50:03.215 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 27 19:50:03.215 INFO [stderr]   |               ^^^^
Nov 27 19:50:03.215 INFO [stderr] 
Nov 27 19:50:03.320 INFO [stderr] warning: unused variable: `res`
Nov 27 19:50:03.320 INFO [stderr]    --> src/main.rs:135:24
Nov 27 19:50:03.320 INFO [stderr]     |
Nov 27 19:50:03.320 INFO [stderr] 135 |                     Ok(res) => {
Nov 27 19:50:03.320 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Nov 27 19:50:03.320 INFO [stderr]     |
Nov 27 19:50:03.320 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 19:50:03.320 INFO [stderr] 
Nov 27 19:50:03.360 INFO [stderr] warning: unused variable: `res`
Nov 27 19:50:03.360 INFO [stderr]    --> src/main.rs:135:24
Nov 27 19:50:03.360 INFO [stderr]     |
Nov 27 19:50:03.360 INFO [stderr] 135 |                     Ok(res) => {
Nov 27 19:50:03.360 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Nov 27 19:50:03.360 INFO [stderr]     |
Nov 27 19:50:03.360 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 27 19:50:03.360 INFO [stderr] 
Nov 27 19:50:03.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 19:50:03.360 INFO [stderr]    --> src/main.rs:131:17
Nov 27 19:50:03.360 INFO [stderr]     |
Nov 27 19:50:03.360 INFO [stderr] 131 |                 file.read_exact(&mut x);
Nov 27 19:50:03.360 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:50:03.360 INFO [stderr]     |
Nov 27 19:50:03.360 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 19:50:03.360 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 19:50:03.361 INFO [stderr] 
Nov 27 19:50:03.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 19:50:03.361 INFO [stderr]    --> src/main.rs:138:25
Nov 27 19:50:03.361 INFO [stderr]     |
Nov 27 19:50:03.361 INFO [stderr] 138 |                         file.read_exact(&mut a);
Nov 27 19:50:03.361 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:50:03.361 INFO [stderr]     |
Nov 27 19:50:03.361 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 19:50:03.361 INFO [stderr] 
Nov 27 19:50:03.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 19:50:03.361 INFO [stderr]    --> src/main.rs:141:25
Nov 27 19:50:03.361 INFO [stderr]     |
Nov 27 19:50:03.361 INFO [stderr] 141 |                         file.read_exact(&mut a);
Nov 27 19:50:03.361 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:50:03.361 INFO [stderr]     |
Nov 27 19:50:03.361 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 19:50:03.361 INFO [stderr] 
Nov 27 19:50:03.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 19:50:03.361 INFO [stderr]    --> src/main.rs:144:25
Nov 27 19:50:03.361 INFO [stderr]     |
Nov 27 19:50:03.361 INFO [stderr] 144 |                         file.read_exact(&mut a);
Nov 27 19:50:03.361 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:50:03.392 INFO [stderr]     |
Nov 27 19:50:03.392 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 19:50:03.392 INFO [stderr] 
Nov 27 19:50:03.396 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 19:50:03.396 INFO [stderr]    --> src/main.rs:131:17
Nov 27 19:50:03.396 INFO [stderr]     |
Nov 27 19:50:03.396 INFO [stderr] 131 |                 file.read_exact(&mut x);
Nov 27 19:50:03.396 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:50:03.396 INFO [stderr]     |
Nov 27 19:50:03.396 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 19:50:03.396 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 19:50:03.396 INFO [stderr] 
Nov 27 19:50:03.396 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 19:50:03.396 INFO [stderr]    --> src/main.rs:138:25
Nov 27 19:50:03.396 INFO [stderr]     |
Nov 27 19:50:03.396 INFO [stderr] 138 |                         file.read_exact(&mut a);
Nov 27 19:50:03.396 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:50:03.396 INFO [stderr]     |
Nov 27 19:50:03.396 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 19:50:03.396 INFO [stderr] 
Nov 27 19:50:03.396 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 19:50:03.396 INFO [stderr]    --> src/main.rs:141:25
Nov 27 19:50:03.396 INFO [stderr]     |
Nov 27 19:50:03.396 INFO [stderr] 141 |                         file.read_exact(&mut a);
Nov 27 19:50:03.396 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:50:03.396 INFO [stderr]     |
Nov 27 19:50:03.396 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 19:50:03.396 INFO [stderr] 
Nov 27 19:50:03.396 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 19:50:03.396 INFO [stderr]    --> src/main.rs:144:25
Nov 27 19:50:03.396 INFO [stderr]     |
Nov 27 19:50:03.396 INFO [stderr] 144 |                         file.read_exact(&mut a);
Nov 27 19:50:03.396 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:50:03.396 INFO [stderr]     |
Nov 27 19:50:03.396 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 19:50:03.396 INFO [stderr] 
Nov 27 19:50:03.406 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Nov 27 19:50:03.408 INFO [stderr] su: No module specific data is present
Nov 27 19:50:03.878 INFO running `"docker" "inspect" "9aa34ee441131fef741f85891387b58cf3fd465bb0ec472f5fa4b3bbd44e542d"`
Nov 27 19:50:04.046 INFO running `"docker" "rm" "-f" "9aa34ee441131fef741f85891387b58cf3fd465bb0ec472f5fa4b3bbd44e542d"`
Nov 27 19:50:04.262 INFO [stdout] 9aa34ee441131fef741f85891387b58cf3fd465bb0ec472f5fa4b3bbd44e542d