Nov 29 17:38:12.253 INFO checking stan4cb/rust-tools against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 17:38:12.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 17:38:12.694 INFO [stdout] a0a1ae60850a932a7df2921940c7f99c0d8f5d1c05a456c8954da0cb83ec8928
Nov 29 17:38:12.698 INFO running `"docker" "start" "-a" "a0a1ae60850a932a7df2921940c7f99c0d8f5d1c05a456c8954da0cb83ec8928"`
Nov 29 17:38:13.681 INFO [stderr] usermod: no changes
Nov 29 17:38:13.735 INFO [stderr]     Checking rust-tools v0.1.0 (/source)
Nov 29 17:38:14.038 INFO [stderr] warning: unused import: `Write`
Nov 29 17:38:14.038 INFO [stderr]  --> src/main.rs:2:21
Nov 29 17:38:14.038 INFO [stderr]   |
Nov 29 17:38:14.038 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Nov 29 17:38:14.038 INFO [stderr]   |                     ^^^^^
Nov 29 17:38:14.038 INFO [stderr]   |
Nov 29 17:38:14.038 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 17:38:14.038 INFO [stderr] 
Nov 29 17:38:14.038 INFO [stderr] warning: unused import: `Read`
Nov 29 17:38:14.038 INFO [stderr]  --> src/tools.rs:3:15
Nov 29 17:38:14.038 INFO [stderr]   |
Nov 29 17:38:14.038 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 29 17:38:14.038 INFO [stderr]   |               ^^^^
Nov 29 17:38:14.038 INFO [stderr] 
Nov 29 17:38:14.060 INFO [stderr] warning: unused import: `Write`
Nov 29 17:38:14.060 INFO [stderr]  --> src/main.rs:2:21
Nov 29 17:38:14.060 INFO [stderr]   |
Nov 29 17:38:14.060 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Nov 29 17:38:14.060 INFO [stderr]   |                     ^^^^^
Nov 29 17:38:14.060 INFO [stderr]   |
Nov 29 17:38:14.060 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 17:38:14.060 INFO [stderr] 
Nov 29 17:38:14.060 INFO [stderr] warning: unused import: `Read`
Nov 29 17:38:14.060 INFO [stderr]  --> src/tools.rs:3:15
Nov 29 17:38:14.060 INFO [stderr]   |
Nov 29 17:38:14.060 INFO [stderr] 3 | use std::io::{Read, Write};
Nov 29 17:38:14.060 INFO [stderr]   |               ^^^^
Nov 29 17:38:14.060 INFO [stderr] 
Nov 29 17:38:14.160 INFO [stderr] warning: unused variable: `res`
Nov 29 17:38:14.160 INFO [stderr]    --> src/main.rs:135:24
Nov 29 17:38:14.160 INFO [stderr]     |
Nov 29 17:38:14.160 INFO [stderr] 135 |                     Ok(res) => {
Nov 29 17:38:14.160 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Nov 29 17:38:14.160 INFO [stderr]     |
Nov 29 17:38:14.160 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 17:38:14.160 INFO [stderr] 
Nov 29 17:38:14.229 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:38:14.230 INFO [stderr]    --> src/main.rs:131:17
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr] 131 |                 file.read_exact(&mut x);
Nov 29 17:38:14.230 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 17:38:14.230 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:38:14.230 INFO [stderr] 
Nov 29 17:38:14.230 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:38:14.230 INFO [stderr]    --> src/main.rs:138:25
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr] 138 |                         file.read_exact(&mut a);
Nov 29 17:38:14.230 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:38:14.230 INFO [stderr] 
Nov 29 17:38:14.230 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:38:14.230 INFO [stderr]    --> src/main.rs:141:25
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr] 141 |                         file.read_exact(&mut a);
Nov 29 17:38:14.230 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:38:14.230 INFO [stderr] 
Nov 29 17:38:14.230 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:38:14.230 INFO [stderr]    --> src/main.rs:144:25
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr] 144 |                         file.read_exact(&mut a);
Nov 29 17:38:14.230 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:38:14.230 INFO [stderr] 
Nov 29 17:38:14.230 INFO [stderr] warning: unused variable: `res`
Nov 29 17:38:14.230 INFO [stderr]    --> src/main.rs:135:24
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr] 135 |                     Ok(res) => {
Nov 29 17:38:14.230 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Nov 29 17:38:14.230 INFO [stderr]     |
Nov 29 17:38:14.230 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 17:38:14.230 INFO [stderr] 
Nov 29 17:38:14.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:38:14.304 INFO [stderr]    --> src/main.rs:131:17
Nov 29 17:38:14.304 INFO [stderr]     |
Nov 29 17:38:14.304 INFO [stderr] 131 |                 file.read_exact(&mut x);
Nov 29 17:38:14.304 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:38:14.304 INFO [stderr]     |
Nov 29 17:38:14.304 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 17:38:14.304 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:38:14.304 INFO [stderr] 
Nov 29 17:38:14.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:38:14.304 INFO [stderr]    --> src/main.rs:138:25
Nov 29 17:38:14.304 INFO [stderr]     |
Nov 29 17:38:14.304 INFO [stderr] 138 |                         file.read_exact(&mut a);
Nov 29 17:38:14.304 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:38:14.304 INFO [stderr]     |
Nov 29 17:38:14.304 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:38:14.304 INFO [stderr] 
Nov 29 17:38:14.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:38:14.304 INFO [stderr]    --> src/main.rs:141:25
Nov 29 17:38:14.304 INFO [stderr]     |
Nov 29 17:38:14.304 INFO [stderr] 141 |                         file.read_exact(&mut a);
Nov 29 17:38:14.304 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:38:14.304 INFO [stderr]     |
Nov 29 17:38:14.304 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:38:14.304 INFO [stderr] 
Nov 29 17:38:14.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:38:14.304 INFO [stderr]    --> src/main.rs:144:25
Nov 29 17:38:14.304 INFO [stderr]     |
Nov 29 17:38:14.304 INFO [stderr] 144 |                         file.read_exact(&mut a);
Nov 29 17:38:14.304 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:38:14.304 INFO [stderr]     |
Nov 29 17:38:14.304 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:38:14.304 INFO [stderr] 
Nov 29 17:38:14.340 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Nov 29 17:38:14.348 INFO [stderr] su: No module specific data is present
Nov 29 17:38:14.922 INFO running `"docker" "inspect" "a0a1ae60850a932a7df2921940c7f99c0d8f5d1c05a456c8954da0cb83ec8928"`
Nov 29 17:38:15.094 INFO running `"docker" "rm" "-f" "a0a1ae60850a932a7df2921940c7f99c0d8f5d1c05a456c8954da0cb83ec8928"`
Nov 29 17:38:15.392 INFO [stdout] a0a1ae60850a932a7df2921940c7f99c0d8f5d1c05a456c8954da0cb83ec8928