Dec 19 20:03:20.314 INFO checking balta2ar/brotab against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:03:20.314 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/balta2ar/brotab:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:03:20.524 INFO [stdout] 5a5688806fbb80897e88999c4ad31de17f1674017cf26dc459aa9f851863be54
Dec 19 20:03:20.527 INFO running `"docker" "start" "-a" "5a5688806fbb80897e88999c4ad31de17f1674017cf26dc459aa9f851863be54"`
Dec 19 20:03:21.524 INFO [stderr]     Checking serde_urlencoded v0.5.2
Dec 19 20:03:21.544 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 20:03:21.544 INFO [stderr]     Checking mime_guess v2.0.0-alpha.6
Dec 19 20:03:23.708 INFO [stderr]     Checking hyper v0.11.27
Dec 19 20:03:23.708 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 19 20:03:28.624 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 19 20:03:29.544 INFO [stderr]     Checking reqwest v0.8.7
Dec 19 20:03:31.416 INFO [stderr]     Checking brotab v0.1.0 (/opt/crater/workdir)
Dec 19 20:03:32.980 INFO [stderr] warning: unused import: `std::thread`
Dec 19 20:03:32.981 INFO [stderr]   --> src/main.rs:10:5
Dec 19 20:03:32.981 INFO [stderr]    |
Dec 19 20:03:32.981 INFO [stderr] 10 | use std::thread;
Dec 19 20:03:32.981 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 20:03:32.982 INFO [stderr]    |
Dec 19 20:03:32.982 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:03:32.982 INFO [stderr] 
Dec 19 20:03:32.982 INFO [stderr] warning: unused import: `Arg`
Dec 19 20:03:32.983 INFO [stderr]   --> src/main.rs:16:17
Dec 19 20:03:32.983 INFO [stderr]    |
Dec 19 20:03:32.983 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Dec 19 20:03:32.983 INFO [stderr]    |                 ^^^
Dec 19 20:03:32.984 INFO [stderr] 
Dec 19 20:03:33.208 INFO [stderr] warning: unused variable: `text`
Dec 19 20:03:33.209 INFO [stderr]   --> src/main.rs:54:24
Dec 19 20:03:33.209 INFO [stderr]    |
Dec 19 20:03:33.209 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Dec 19 20:03:33.209 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Dec 19 20:03:33.210 INFO [stderr]    |
Dec 19 20:03:33.210 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:03:33.210 INFO [stderr] 
Dec 19 20:03:33.286 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:03:33.286 INFO [stderr]   --> src/main.rs:58:5
Dec 19 20:03:33.286 INFO [stderr]    |
Dec 19 20:03:33.286 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Dec 19 20:03:33.286 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:03:33.286 INFO [stderr]    |
Dec 19 20:03:33.286 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:03:33.286 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:03:33.286 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 19 20:03:33.286 INFO [stderr] 
Dec 19 20:03:33.286 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:03:33.286 INFO [stderr]   --> src/main.rs:67:9
Dec 19 20:03:33.286 INFO [stderr]    |
Dec 19 20:03:33.286 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Dec 19 20:03:33.286 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:03:33.287 INFO [stderr]    |
Dec 19 20:03:33.287 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:03:33.287 INFO [stderr] 
Dec 19 20:03:33.443 INFO [stderr] warning: unused import: `std::thread`
Dec 19 20:03:33.443 INFO [stderr]   --> src/main.rs:10:5
Dec 19 20:03:33.443 INFO [stderr]    |
Dec 19 20:03:33.443 INFO [stderr] 10 | use std::thread;
Dec 19 20:03:33.444 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 20:03:33.444 INFO [stderr]    |
Dec 19 20:03:33.444 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:03:33.444 INFO [stderr] 
Dec 19 20:03:33.444 INFO [stderr] warning: unused import: `Arg`
Dec 19 20:03:33.444 INFO [stderr]   --> src/main.rs:16:17
Dec 19 20:03:33.444 INFO [stderr]    |
Dec 19 20:03:33.444 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Dec 19 20:03:33.444 INFO [stderr]    |                 ^^^
Dec 19 20:03:33.444 INFO [stderr] 
Dec 19 20:03:33.558 INFO [stderr] warning: unused variable: `text`
Dec 19 20:03:33.558 INFO [stderr]   --> src/main.rs:54:24
Dec 19 20:03:33.558 INFO [stderr]    |
Dec 19 20:03:33.558 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Dec 19 20:03:33.558 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Dec 19 20:03:33.558 INFO [stderr]    |
Dec 19 20:03:33.558 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:03:33.558 INFO [stderr] 
Dec 19 20:03:33.594 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:03:33.594 INFO [stderr]   --> src/main.rs:58:5
Dec 19 20:03:33.594 INFO [stderr]    |
Dec 19 20:03:33.594 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Dec 19 20:03:33.594 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:03:33.594 INFO [stderr]    |
Dec 19 20:03:33.594 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:03:33.594 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:03:33.594 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 19 20:03:33.594 INFO [stderr] 
Dec 19 20:03:33.594 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:03:33.594 INFO [stderr]   --> src/main.rs:67:9
Dec 19 20:03:33.594 INFO [stderr]    |
Dec 19 20:03:33.594 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Dec 19 20:03:33.594 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:03:33.594 INFO [stderr]    |
Dec 19 20:03:33.594 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:03:33.594 INFO [stderr] 
Dec 19 20:03:33.618 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.33s
Dec 19 20:03:34.014 INFO running `"docker" "inspect" "5a5688806fbb80897e88999c4ad31de17f1674017cf26dc459aa9f851863be54"`
Dec 19 20:03:34.095 INFO running `"docker" "rm" "-f" "5a5688806fbb80897e88999c4ad31de17f1674017cf26dc459aa9f851863be54"`
Dec 19 20:03:34.188 INFO [stdout] 5a5688806fbb80897e88999c4ad31de17f1674017cf26dc459aa9f851863be54