Dec 04 23:10:49.256 INFO checking adambrenecki/yorick against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:10:49.256 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 23:10:49.767 INFO [stdout] 8d30ec6c2521fe3456a55a72029cf924c97c946aaae84584c2505a360a38b4db
Dec 04 23:10:49.772 INFO running `"docker" "start" "-a" "8d30ec6c2521fe3456a55a72029cf924c97c946aaae84584c2505a360a38b4db"`
Dec 04 23:10:51.269 INFO [stderr] usermod: no changes
Dec 04 23:10:51.387 INFO [stderr]     Checking tempdir v0.3.5
Dec 04 23:10:51.847 INFO [stderr]     Checking yorick v0.1.0 (/source)
Dec 04 23:10:52.519 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 23:10:52.519 INFO [stderr]  --> src/main.rs:3:1
Dec 04 23:10:52.519 INFO [stderr]   |
Dec 04 23:10:52.519 INFO [stderr] 3 | #[macro_use]
Dec 04 23:10:52.519 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 23:10:52.519 INFO [stderr]   |
Dec 04 23:10:52.519 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 23:10:52.519 INFO [stderr] 
Dec 04 23:10:52.519 INFO [stderr] warning: unused import: `Write`
Dec 04 23:10:52.519 INFO [stderr]  --> src/skeleton.rs:3:40
Dec 04 23:10:52.519 INFO [stderr]   |
Dec 04 23:10:52.519 INFO [stderr] 3 | use std::io::{BufReader, Read, Result, Write};
Dec 04 23:10:52.519 INFO [stderr]   |                                        ^^^^^
Dec 04 23:10:52.519 INFO [stderr] 
Dec 04 23:10:52.519 INFO [stderr] warning: unused import: `create_dir`
Dec 04 23:10:52.519 INFO [stderr]  --> src/skeleton.rs:4:21
Dec 04 23:10:52.519 INFO [stderr]   |
Dec 04 23:10:52.519 INFO [stderr] 4 | use std::fs::{File, create_dir};
Dec 04 23:10:52.519 INFO [stderr]   |                     ^^^^^^^^^^
Dec 04 23:10:52.519 INFO [stderr] 
Dec 04 23:10:52.519 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 23:10:52.519 INFO [stderr]  --> src/skeleton.rs:6:5
Dec 04 23:10:52.519 INFO [stderr]   |
Dec 04 23:10:52.519 INFO [stderr] 6 | use std::collections::HashMap;
Dec 04 23:10:52.519 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:10:52.519 INFO [stderr] 
Dec 04 23:10:52.519 INFO [stderr] warning: unused import: `tempdir::TempDir`
Dec 04 23:10:52.519 INFO [stderr]  --> src/skeleton.rs:7:5
Dec 04 23:10:52.519 INFO [stderr]   |
Dec 04 23:10:52.519 INFO [stderr] 7 | use tempdir::TempDir;
Dec 04 23:10:52.519 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 23:10:52.519 INFO [stderr] 
Dec 04 23:10:52.519 INFO [stderr] warning: unused import: `Read`
Dec 04 23:10:52.519 INFO [stderr]  --> src/output.rs:2:30
Dec 04 23:10:52.519 INFO [stderr]   |
Dec 04 23:10:52.519 INFO [stderr] 2 | use std::io::{Result, Write, Read};
Dec 04 23:10:52.519 INFO [stderr]   |                              ^^^^
Dec 04 23:10:52.519 INFO [stderr] 
Dec 04 23:10:52.519 INFO [stderr] warning: unused import: `tempdir::TempDir`
Dec 04 23:10:52.519 INFO [stderr]  --> src/output.rs:4:5
Dec 04 23:10:52.519 INFO [stderr]   |
Dec 04 23:10:52.519 INFO [stderr] 4 | use tempdir::TempDir;
Dec 04 23:10:52.519 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 23:10:52.519 INFO [stderr] 
Dec 04 23:10:52.519 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `self`
Dec 04 23:10:52.519 INFO [stderr]  --> src/config.rs:1:17
Dec 04 23:10:52.519 INFO [stderr]   |
Dec 04 23:10:52.519 INFO [stderr] 1 | use serde::de::{self, Deserialize, Deserializer};
Dec 04 23:10:52.519 INFO [stderr]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 04 23:10:52.519 INFO [stderr] 
Dec 04 23:10:52.520 INFO [stderr] warning: unused import: `toml`
Dec 04 23:10:52.520 INFO [stderr]  --> src/config.rs:2:5
Dec 04 23:10:52.520 INFO [stderr]   |
Dec 04 23:10:52.520 INFO [stderr] 2 | use toml;
Dec 04 23:10:52.520 INFO [stderr]   |     ^^^^
Dec 04 23:10:52.520 INFO [stderr] 
Dec 04 23:10:52.609 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `self`
Dec 04 23:10:52.609 INFO [stderr]  --> src/config.rs:1:17
Dec 04 23:10:52.609 INFO [stderr]   |
Dec 04 23:10:52.609 INFO [stderr] 1 | use serde::de::{self, Deserialize, Deserializer};
Dec 04 23:10:52.609 INFO [stderr]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 04 23:10:52.609 INFO [stderr]   |
Dec 04 23:10:52.609 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 23:10:52.609 INFO [stderr] 
Dec 04 23:10:52.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:10:52.735 INFO [stderr]   --> src/main.rs:24:9
Dec 04 23:10:52.735 INFO [stderr]    |
Dec 04 23:10:52.735 INFO [stderr] 24 |         file.contents().unwrap().read(contents);
Dec 04 23:10:52.735 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:10:52.735 INFO [stderr]    |
Dec 04 23:10:52.735 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 23:10:52.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:10:52.735 INFO [stderr] 
Dec 04 23:10:52.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:10:52.735 INFO [stderr]   --> src/main.rs:30:5
Dec 04 23:10:52.735 INFO [stderr]    |
Dec 04 23:10:52.735 INFO [stderr] 30 |     writer.write(b"Hello!");
Dec 04 23:10:52.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:10:52.735 INFO [stderr]    |
Dec 04 23:10:52.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:10:52.735 INFO [stderr] 
Dec 04 23:10:52.931 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:10:52.931 INFO [stderr]   --> src/main.rs:24:9
Dec 04 23:10:52.931 INFO [stderr]    |
Dec 04 23:10:52.931 INFO [stderr] 24 |         file.contents().unwrap().read(contents);
Dec 04 23:10:52.931 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:10:52.931 INFO [stderr]    |
Dec 04 23:10:52.931 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 23:10:52.931 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:10:52.931 INFO [stderr] 
Dec 04 23:10:52.931 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:10:52.931 INFO [stderr]   --> src/main.rs:30:5
Dec 04 23:10:52.931 INFO [stderr]    |
Dec 04 23:10:52.931 INFO [stderr] 30 |     writer.write(b"Hello!");
Dec 04 23:10:52.931 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:10:52.931 INFO [stderr]    |
Dec 04 23:10:52.931 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:10:52.931 INFO [stderr] 
Dec 04 23:10:52.987 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
Dec 04 23:10:52.992 INFO [stderr] su: No module specific data is present
Dec 04 23:10:53.911 INFO running `"docker" "inspect" "8d30ec6c2521fe3456a55a72029cf924c97c946aaae84584c2505a360a38b4db"`
Dec 04 23:10:54.247 INFO running `"docker" "rm" "-f" "8d30ec6c2521fe3456a55a72029cf924c97c946aaae84584c2505a360a38b4db"`
Dec 04 23:10:54.518 INFO [stdout] 8d30ec6c2521fe3456a55a72029cf924c97c946aaae84584c2505a360a38b4db