Dec 04 22:02:58.386 INFO checking balta2ar/brotab against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:02:58.386 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 22:02:58.871 INFO [stdout] c7c39c2a91dd85c13f818728ceaecd6538a02d720ac06ecde87b7211651cdd45
Dec 04 22:02:58.873 INFO running `"docker" "start" "-a" "c7c39c2a91dd85c13f818728ceaecd6538a02d720ac06ecde87b7211651cdd45"`
Dec 04 22:03:00.171 INFO [stderr] usermod: no changes
Dec 04 22:03:00.475 INFO [stderr]     Checking net2 v0.2.33
Dec 04 22:03:00.483 INFO [stderr]     Checking uuid v0.6.5
Dec 04 22:03:00.483 INFO [stderr]     Checking want v0.0.4
Dec 04 22:03:00.483 INFO [stderr]     Checking tokio-io v0.1.7
Dec 04 22:03:00.519 INFO [stderr]     Checking crossbeam-epoch v0.4.3
Dec 04 22:03:00.519 INFO [stderr]     Checking serde_urlencoded v0.5.2
Dec 04 22:03:00.531 INFO [stderr]     Checking mime_guess v2.0.0-alpha.6
Dec 04 22:03:02.860 INFO [stderr]     Checking crossbeam-deque v0.3.1
Dec 04 22:03:03.179 INFO [stderr]     Checking mio v0.6.15
Dec 04 22:03:04.156 INFO [stderr]     Checking tokio-threadpool v0.1.5
Dec 04 22:03:05.357 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 04 22:03:07.662 INFO [stderr]     Checking tokio-reactor v0.1.3
Dec 04 22:03:08.349 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 04 22:03:09.654 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 04 22:03:09.655 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 04 22:03:11.431 INFO [stderr]     Checking tokio v0.1.7
Dec 04 22:03:13.193 INFO [stderr]     Checking tokio-core v0.1.17
Dec 04 22:03:15.562 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 04 22:03:15.565 INFO [stderr]     Checking hyper v0.11.27
Dec 04 22:03:21.853 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 04 22:03:24.089 INFO [stderr]     Checking reqwest v0.8.7
Dec 04 22:03:27.682 INFO [stderr]     Checking brotab v0.1.0 (/source)
Dec 04 22:03:31.255 INFO [stderr] warning: unused import: `std::thread`
Dec 04 22:03:31.255 INFO [stderr]   --> src/main.rs:10:5
Dec 04 22:03:31.255 INFO [stderr]    |
Dec 04 22:03:31.255 INFO [stderr] 10 | use std::thread;
Dec 04 22:03:31.255 INFO [stderr]    |     ^^^^^^^^^^^
Dec 04 22:03:31.255 INFO [stderr]    |
Dec 04 22:03:31.255 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 22:03:31.255 INFO [stderr] 
Dec 04 22:03:31.259 INFO [stderr] warning: unused import: `Arg`
Dec 04 22:03:31.259 INFO [stderr]   --> src/main.rs:16:17
Dec 04 22:03:31.259 INFO [stderr]    |
Dec 04 22:03:31.259 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Dec 04 22:03:31.259 INFO [stderr]    |                 ^^^
Dec 04 22:03:31.259 INFO [stderr] 
Dec 04 22:03:31.319 INFO [stderr] warning: unused import: `std::thread`
Dec 04 22:03:31.319 INFO [stderr]   --> src/main.rs:10:5
Dec 04 22:03:31.319 INFO [stderr]    |
Dec 04 22:03:31.319 INFO [stderr] 10 | use std::thread;
Dec 04 22:03:31.319 INFO [stderr]    |     ^^^^^^^^^^^
Dec 04 22:03:31.319 INFO [stderr]    |
Dec 04 22:03:31.319 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 22:03:31.319 INFO [stderr] 
Dec 04 22:03:31.319 INFO [stderr] warning: unused import: `Arg`
Dec 04 22:03:31.319 INFO [stderr]   --> src/main.rs:16:17
Dec 04 22:03:31.319 INFO [stderr]    |
Dec 04 22:03:31.319 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Dec 04 22:03:31.319 INFO [stderr]    |                 ^^^
Dec 04 22:03:31.319 INFO [stderr] 
Dec 04 22:03:31.419 INFO [stderr] warning: unused variable: `text`
Dec 04 22:03:31.419 INFO [stderr]   --> src/main.rs:54:24
Dec 04 22:03:31.419 INFO [stderr]    |
Dec 04 22:03:31.419 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Dec 04 22:03:31.419 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Dec 04 22:03:31.419 INFO [stderr]    |
Dec 04 22:03:31.419 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:03:31.419 INFO [stderr] 
Dec 04 22:03:31.427 INFO [stderr] warning: unused variable: `text`
Dec 04 22:03:31.427 INFO [stderr]   --> src/main.rs:54:24
Dec 04 22:03:31.427 INFO [stderr]    |
Dec 04 22:03:31.427 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Dec 04 22:03:31.427 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Dec 04 22:03:31.427 INFO [stderr]    |
Dec 04 22:03:31.428 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:03:31.428 INFO [stderr] 
Dec 04 22:03:31.452 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:03:31.452 INFO [stderr]   --> src/main.rs:58:5
Dec 04 22:03:31.452 INFO [stderr]    |
Dec 04 22:03:31.452 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Dec 04 22:03:31.452 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:03:31.452 INFO [stderr]    |
Dec 04 22:03:31.452 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:03:31.452 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:03:31.452 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 04 22:03:31.452 INFO [stderr] 
Dec 04 22:03:31.452 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:03:31.452 INFO [stderr]   --> src/main.rs:67:9
Dec 04 22:03:31.452 INFO [stderr]    |
Dec 04 22:03:31.452 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Dec 04 22:03:31.452 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:03:31.452 INFO [stderr]    |
Dec 04 22:03:31.452 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:03:31.452 INFO [stderr] 
Dec 04 22:03:31.459 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:03:31.459 INFO [stderr]   --> src/main.rs:58:5
Dec 04 22:03:31.459 INFO [stderr]    |
Dec 04 22:03:31.459 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Dec 04 22:03:31.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:03:31.459 INFO [stderr]    |
Dec 04 22:03:31.459 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:03:31.459 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:03:31.459 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 04 22:03:31.459 INFO [stderr] 
Dec 04 22:03:31.459 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:03:31.459 INFO [stderr]   --> src/main.rs:67:9
Dec 04 22:03:31.459 INFO [stderr]    |
Dec 04 22:03:31.459 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Dec 04 22:03:31.459 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:03:31.459 INFO [stderr]    |
Dec 04 22:03:31.459 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:03:31.459 INFO [stderr] 
Dec 04 22:03:31.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.29s
Dec 04 22:03:31.499 INFO [stderr] su: No module specific data is present
Dec 04 22:03:32.155 INFO running `"docker" "inspect" "c7c39c2a91dd85c13f818728ceaecd6538a02d720ac06ecde87b7211651cdd45"`
Dec 04 22:03:32.408 INFO running `"docker" "rm" "-f" "c7c39c2a91dd85c13f818728ceaecd6538a02d720ac06ecde87b7211651cdd45"`
Dec 04 22:03:32.548 INFO [stdout] c7c39c2a91dd85c13f818728ceaecd6538a02d720ac06ecde87b7211651cdd45