Dec 13 02:16:42.077 INFO testing stan4cb/rust-tools against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 02:16:42.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 02:16:42.635 INFO [stdout] e5a44f453502194fede87c83cbdec2f4d018d4eee36465e6db294efeec56f182
Dec 13 02:16:42.643 INFO running `"docker" "start" "-a" "e5a44f453502194fede87c83cbdec2f4d018d4eee36465e6db294efeec56f182"`
Dec 13 02:16:43.654 INFO [stderr] usermod: no changes
Dec 13 02:16:43.695 INFO [stderr]    Compiling rust-tools v0.1.0 (/source)
Dec 13 02:16:43.886 INFO [stderr] warning: unused import: `Write`
Dec 13 02:16:43.886 INFO [stderr]  --> src/main.rs:2:21
Dec 13 02:16:43.886 INFO [stderr]   |
Dec 13 02:16:43.886 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Dec 13 02:16:43.886 INFO [stderr]   |                     ^^^^^
Dec 13 02:16:43.886 INFO [stderr]   |
Dec 13 02:16:43.886 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 02:16:43.886 INFO [stderr] 
Dec 13 02:16:43.891 INFO [stderr] warning: unused import: `Read`
Dec 13 02:16:43.892 INFO [stderr]  --> src/tools.rs:3:15
Dec 13 02:16:43.892 INFO [stderr]   |
Dec 13 02:16:43.892 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 13 02:16:43.892 INFO [stderr]   |               ^^^^
Dec 13 02:16:43.892 INFO [stderr] 
Dec 13 02:16:43.993 INFO [stderr] warning: unused variable: `res`
Dec 13 02:16:43.993 INFO [stderr]    --> src/main.rs:135:24
Dec 13 02:16:43.993 INFO [stderr]     |
Dec 13 02:16:43.993 INFO [stderr] 135 |                     Ok(res) => {
Dec 13 02:16:43.993 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Dec 13 02:16:43.993 INFO [stderr]     |
Dec 13 02:16:43.993 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 02:16:43.993 INFO [stderr] 
Dec 13 02:16:44.035 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:16:44.035 INFO [stderr]    --> src/main.rs:131:17
Dec 13 02:16:44.035 INFO [stderr]     |
Dec 13 02:16:44.035 INFO [stderr] 131 |                 file.read_exact(&mut x);
Dec 13 02:16:44.035 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:16:44.035 INFO [stderr]     |
Dec 13 02:16:44.035 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 02:16:44.035 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:16:44.035 INFO [stderr] 
Dec 13 02:16:44.035 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:16:44.035 INFO [stderr]    --> src/main.rs:138:25
Dec 13 02:16:44.035 INFO [stderr]     |
Dec 13 02:16:44.035 INFO [stderr] 138 |                         file.read_exact(&mut a);
Dec 13 02:16:44.035 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:16:44.035 INFO [stderr]     |
Dec 13 02:16:44.035 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:16:44.035 INFO [stderr] 
Dec 13 02:16:44.035 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:16:44.035 INFO [stderr]    --> src/main.rs:141:25
Dec 13 02:16:44.035 INFO [stderr]     |
Dec 13 02:16:44.035 INFO [stderr] 141 |                         file.read_exact(&mut a);
Dec 13 02:16:44.035 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:16:44.035 INFO [stderr]     |
Dec 13 02:16:44.035 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:16:44.035 INFO [stderr] 
Dec 13 02:16:44.035 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:16:44.035 INFO [stderr]    --> src/main.rs:144:25
Dec 13 02:16:44.035 INFO [stderr]     |
Dec 13 02:16:44.035 INFO [stderr] 144 |                         file.read_exact(&mut a);
Dec 13 02:16:44.035 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:16:44.035 INFO [stderr]     |
Dec 13 02:16:44.035 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:16:44.035 INFO [stderr] 
Dec 13 02:16:45.009 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Dec 13 02:16:45.010 INFO [stderr] su: No module specific data is present
Dec 13 02:16:45.667 INFO running `"docker" "inspect" "e5a44f453502194fede87c83cbdec2f4d018d4eee36465e6db294efeec56f182"`
Dec 13 02:16:46.079 INFO running `"docker" "rm" "-f" "e5a44f453502194fede87c83cbdec2f4d018d4eee36465e6db294efeec56f182"`
Dec 13 02:16:46.305 INFO [stdout] e5a44f453502194fede87c83cbdec2f4d018d4eee36465e6db294efeec56f182
Dec 13 02:16:46.309 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 02:16:46.707 INFO [stdout] 591626f887dc1a99e47af93b6da38c325c5a6f83970638e350834b3c5c5d8843
Dec 13 02:16:46.715 INFO running `"docker" "start" "-a" "591626f887dc1a99e47af93b6da38c325c5a6f83970638e350834b3c5c5d8843"`
Dec 13 02:16:48.346 INFO [stderr] usermod: no changes
Dec 13 02:16:48.414 INFO [stderr]    Compiling rust-tools v0.1.0 (/source)
Dec 13 02:16:48.719 INFO [stderr] warning: unused import: `Write`
Dec 13 02:16:48.719 INFO [stderr]  --> src/main.rs:2:21
Dec 13 02:16:48.719 INFO [stderr]   |
Dec 13 02:16:48.719 INFO [stderr] 2 | use std::io::{Read, Write, Seek, SeekFrom};
Dec 13 02:16:48.719 INFO [stderr]   |                     ^^^^^
Dec 13 02:16:48.719 INFO [stderr]   |
Dec 13 02:16:48.719 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 02:16:48.719 INFO [stderr] 
Dec 13 02:16:48.719 INFO [stderr] warning: unused import: `Read`
Dec 13 02:16:48.719 INFO [stderr]  --> src/tools.rs:3:15
Dec 13 02:16:48.719 INFO [stderr]   |
Dec 13 02:16:48.719 INFO [stderr] 3 | use std::io::{Read, Write};
Dec 13 02:16:48.719 INFO [stderr]   |               ^^^^
Dec 13 02:16:48.719 INFO [stderr] 
Dec 13 02:16:48.846 INFO [stderr] warning: unused variable: `res`
Dec 13 02:16:48.846 INFO [stderr]    --> src/main.rs:135:24
Dec 13 02:16:48.846 INFO [stderr]     |
Dec 13 02:16:48.846 INFO [stderr] 135 |                     Ok(res) => {
Dec 13 02:16:48.846 INFO [stderr]     |                        ^^^ help: consider using `_res` instead
Dec 13 02:16:48.846 INFO [stderr]     |
Dec 13 02:16:48.867 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 02:16:48.867 INFO [stderr] 
Dec 13 02:16:48.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:16:48.895 INFO [stderr]    --> src/main.rs:131:17
Dec 13 02:16:48.895 INFO [stderr]     |
Dec 13 02:16:48.895 INFO [stderr] 131 |                 file.read_exact(&mut x);
Dec 13 02:16:48.895 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:16:48.895 INFO [stderr]     |
Dec 13 02:16:48.895 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 02:16:48.895 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:16:48.895 INFO [stderr] 
Dec 13 02:16:48.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:16:48.895 INFO [stderr]    --> src/main.rs:138:25
Dec 13 02:16:48.895 INFO [stderr]     |
Dec 13 02:16:48.895 INFO [stderr] 138 |                         file.read_exact(&mut a);
Dec 13 02:16:48.895 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:16:48.895 INFO [stderr]     |
Dec 13 02:16:48.895 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:16:48.895 INFO [stderr] 
Dec 13 02:16:48.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:16:48.895 INFO [stderr]    --> src/main.rs:141:25
Dec 13 02:16:48.895 INFO [stderr]     |
Dec 13 02:16:48.895 INFO [stderr] 141 |                         file.read_exact(&mut a);
Dec 13 02:16:48.895 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:16:48.895 INFO [stderr]     |
Dec 13 02:16:48.895 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:16:48.895 INFO [stderr] 
Dec 13 02:16:48.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:16:48.895 INFO [stderr]    --> src/main.rs:144:25
Dec 13 02:16:48.895 INFO [stderr]     |
Dec 13 02:16:48.895 INFO [stderr] 144 |                         file.read_exact(&mut a);
Dec 13 02:16:48.895 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:16:48.895 INFO [stderr]     |
Dec 13 02:16:48.895 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:16:48.895 INFO [stderr] 
Dec 13 02:16:49.351 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 13 02:16:49.351 INFO [stderr] su: No module specific data is present
Dec 13 02:16:50.051 INFO running `"docker" "inspect" "591626f887dc1a99e47af93b6da38c325c5a6f83970638e350834b3c5c5d8843"`
Dec 13 02:16:50.267 INFO running `"docker" "rm" "-f" "591626f887dc1a99e47af93b6da38c325c5a6f83970638e350834b3c5c5d8843"`
Dec 13 02:16:50.527 INFO [stdout] 591626f887dc1a99e47af93b6da38c325c5a6f83970638e350834b3c5c5d8843
Dec 13 02:16:50.533 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 02:16:51.022 INFO [stdout] 2932a8930048bf1b096f9f72d35a5e0526c6d452864d95b1bcbe2468400dadae
Dec 13 02:16:51.024 INFO running `"docker" "start" "-a" "2932a8930048bf1b096f9f72d35a5e0526c6d452864d95b1bcbe2468400dadae"`
Dec 13 02:16:51.858 INFO [stderr] usermod: no changes
Dec 13 02:16:51.907 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 02:16:51.907 INFO [stdout] 
Dec 13 02:16:51.907 INFO [stderr]      Running /target/debug/deps/rust_tools-abda9135f355903b
Dec 13 02:16:51.907 INFO [stdout] running 0 tests
Dec 13 02:16:51.907 INFO [stdout] 
Dec 13 02:16:51.907 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 02:16:51.907 INFO [stdout] 
Dec 13 02:16:51.911 INFO [stderr] su: No module specific data is present
Dec 13 02:16:52.471 INFO running `"docker" "inspect" "2932a8930048bf1b096f9f72d35a5e0526c6d452864d95b1bcbe2468400dadae"`
Dec 13 02:16:52.784 INFO running `"docker" "rm" "-f" "2932a8930048bf1b096f9f72d35a5e0526c6d452864d95b1bcbe2468400dadae"`
Dec 13 02:16:53.011 INFO [stdout] 2932a8930048bf1b096f9f72d35a5e0526c6d452864d95b1bcbe2468400dadae