Dec 11 22:02:17.167 INFO checking balta2ar/brotab against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:02:17.167 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 22:02:17.353 INFO [stdout] dc947f9c5e5541746b89deeebc0d3b9642c1bca0f4cc723937332dad92e60f8b
Dec 11 22:02:17.354 INFO running `"docker" "start" "-a" "dc947f9c5e5541746b89deeebc0d3b9642c1bca0f4cc723937332dad92e60f8b"`
Dec 11 22:02:17.775 INFO [stderr] usermod: no changes
Dec 11 22:02:18.019 INFO [stderr]     Checking net2 v0.2.33
Dec 11 22:02:18.043 INFO [stderr]     Checking want v0.0.4
Dec 11 22:02:18.049 INFO [stderr]     Checking uuid v0.6.5
Dec 11 22:02:18.052 INFO [stderr]     Checking tokio-io v0.1.7
Dec 11 22:02:18.054 INFO [stderr]     Checking crossbeam-epoch v0.4.3
Dec 11 22:02:18.069 INFO [stderr]     Checking mime_guess v2.0.0-alpha.6
Dec 11 22:02:20.849 INFO [stderr]     Checking mio v0.6.15
Dec 11 22:02:21.084 INFO [stderr]     Checking crossbeam-deque v0.3.1
Dec 11 22:02:21.965 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 11 22:02:22.856 INFO [stderr]     Checking tokio-threadpool v0.1.5
Dec 11 22:02:23.560 INFO [stderr]     Checking tokio-reactor v0.1.3
Dec 11 22:02:24.815 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 11 22:02:24.816 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 11 22:02:25.488 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 11 22:02:27.479 INFO [stderr]     Checking tokio v0.1.7
Dec 11 22:02:29.196 INFO [stderr]     Checking tokio-core v0.1.17
Dec 11 22:02:31.654 INFO [stderr]     Checking hyper v0.11.27
Dec 11 22:02:31.656 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 11 22:02:39.120 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 11 22:02:41.737 INFO [stderr]     Checking reqwest v0.8.7
Dec 11 22:02:45.756 INFO [stderr]     Checking brotab v0.1.0 (/source)
Dec 11 22:02:50.169 INFO [stderr] warning: unused import: `std::thread`
Dec 11 22:02:50.169 INFO [stderr]   --> src/main.rs:10:5
Dec 11 22:02:50.169 INFO [stderr]    |
Dec 11 22:02:50.169 INFO [stderr] 10 | use std::thread;
Dec 11 22:02:50.169 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 22:02:50.169 INFO [stderr]    |
Dec 11 22:02:50.169 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 22:02:50.169 INFO [stderr] 
Dec 11 22:02:50.169 INFO [stderr] warning: unused import: `Arg`
Dec 11 22:02:50.169 INFO [stderr]   --> src/main.rs:16:17
Dec 11 22:02:50.169 INFO [stderr]    |
Dec 11 22:02:50.169 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Dec 11 22:02:50.169 INFO [stderr]    |                 ^^^
Dec 11 22:02:50.169 INFO [stderr] 
Dec 11 22:02:50.232 INFO [stderr] warning: unused import: `std::thread`
Dec 11 22:02:50.232 INFO [stderr]   --> src/main.rs:10:5
Dec 11 22:02:50.232 INFO [stderr]    |
Dec 11 22:02:50.232 INFO [stderr] 10 | use std::thread;
Dec 11 22:02:50.232 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 22:02:50.232 INFO [stderr]    |
Dec 11 22:02:50.232 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 22:02:50.233 INFO [stderr] 
Dec 11 22:02:50.233 INFO [stderr] warning: unused import: `Arg`
Dec 11 22:02:50.233 INFO [stderr]   --> src/main.rs:16:17
Dec 11 22:02:50.233 INFO [stderr]    |
Dec 11 22:02:50.233 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Dec 11 22:02:50.233 INFO [stderr]    |                 ^^^
Dec 11 22:02:50.233 INFO [stderr] 
Dec 11 22:02:50.384 INFO [stderr] warning: unused variable: `text`
Dec 11 22:02:50.384 INFO [stderr]   --> src/main.rs:54:24
Dec 11 22:02:50.384 INFO [stderr]    |
Dec 11 22:02:50.384 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Dec 11 22:02:50.384 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Dec 11 22:02:50.384 INFO [stderr]    |
Dec 11 22:02:50.384 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 22:02:50.385 INFO [stderr] 
Dec 11 22:02:50.385 INFO [stderr] warning: unused variable: `text`
Dec 11 22:02:50.385 INFO [stderr]   --> src/main.rs:54:24
Dec 11 22:02:50.385 INFO [stderr]    |
Dec 11 22:02:50.385 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Dec 11 22:02:50.385 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Dec 11 22:02:50.385 INFO [stderr]    |
Dec 11 22:02:50.385 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 22:02:50.385 INFO [stderr] 
Dec 11 22:02:50.421 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:02:50.421 INFO [stderr]   --> src/main.rs:58:5
Dec 11 22:02:50.421 INFO [stderr]    |
Dec 11 22:02:50.421 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Dec 11 22:02:50.422 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:02:50.422 INFO [stderr]    |
Dec 11 22:02:50.422 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:02:50.422 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:02:50.422 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 11 22:02:50.423 INFO [stderr] 
Dec 11 22:02:50.423 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:02:50.423 INFO [stderr]   --> src/main.rs:67:9
Dec 11 22:02:50.423 INFO [stderr]    |
Dec 11 22:02:50.423 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Dec 11 22:02:50.424 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:02:50.424 INFO [stderr]    |
Dec 11 22:02:50.424 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:02:50.424 INFO [stderr] 
Dec 11 22:02:50.436 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:02:50.436 INFO [stderr]   --> src/main.rs:58:5
Dec 11 22:02:50.436 INFO [stderr]    |
Dec 11 22:02:50.436 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Dec 11 22:02:50.437 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:02:50.437 INFO [stderr]    |
Dec 11 22:02:50.437 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:02:50.437 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:02:50.438 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 11 22:02:50.438 INFO [stderr] 
Dec 11 22:02:50.438 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:02:50.438 INFO [stderr]   --> src/main.rs:67:9
Dec 11 22:02:50.438 INFO [stderr]    |
Dec 11 22:02:50.439 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Dec 11 22:02:50.439 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:02:50.439 INFO [stderr]    |
Dec 11 22:02:50.439 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:02:50.439 INFO [stderr] 
Dec 11 22:02:50.497 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.70s
Dec 11 22:02:50.517 INFO [stderr] su: No module specific data is present
Dec 11 22:02:51.588 INFO running `"docker" "inspect" "dc947f9c5e5541746b89deeebc0d3b9642c1bca0f4cc723937332dad92e60f8b"`
Dec 11 22:02:51.819 INFO running `"docker" "rm" "-f" "dc947f9c5e5541746b89deeebc0d3b9642c1bca0f4cc723937332dad92e60f8b"`
Dec 11 22:02:51.966 INFO [stdout] dc947f9c5e5541746b89deeebc0d3b9642c1bca0f4cc723937332dad92e60f8b