Dec 06 05:53:57.921 INFO testing balta2ar/brotab against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 05:53:57.921 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 05:53:58.284 INFO [stdout] 0818c81169e1891dec9c723158fe6d53b1cd2ac919ae74272c641d095342edcb
Dec 06 05:53:58.292 INFO running `"docker" "start" "-a" "0818c81169e1891dec9c723158fe6d53b1cd2ac919ae74272c641d095342edcb"`
Dec 06 05:54:00.161 INFO [stderr] usermod: no changes
Dec 06 05:54:00.429 INFO [stderr]    Compiling brotab v0.1.0 (/source)
Dec 06 05:54:05.493 INFO [stderr] warning: unused import: `std::thread`
Dec 06 05:54:05.493 INFO [stderr]   --> src/main.rs:10:5
Dec 06 05:54:05.493 INFO [stderr]    |
Dec 06 05:54:05.494 INFO [stderr] 10 | use std::thread;
Dec 06 05:54:05.494 INFO [stderr]    |     ^^^^^^^^^^^
Dec 06 05:54:05.494 INFO [stderr]    |
Dec 06 05:54:05.494 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 05:54:05.494 INFO [stderr] 
Dec 06 05:54:05.495 INFO [stderr] warning: unused import: `Arg`
Dec 06 05:54:05.495 INFO [stderr]   --> src/main.rs:16:17
Dec 06 05:54:05.495 INFO [stderr]    |
Dec 06 05:54:05.495 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Dec 06 05:54:05.496 INFO [stderr]    |                 ^^^
Dec 06 05:54:05.496 INFO [stderr] 
Dec 06 05:54:05.774 INFO [stderr] warning: unused variable: `text`
Dec 06 05:54:05.774 INFO [stderr]   --> src/main.rs:54:24
Dec 06 05:54:05.775 INFO [stderr]    |
Dec 06 05:54:05.775 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Dec 06 05:54:05.775 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Dec 06 05:54:05.776 INFO [stderr]    |
Dec 06 05:54:05.776 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 05:54:05.780 INFO [stderr] 
Dec 06 05:54:05.808 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 05:54:05.809 INFO [stderr]   --> src/main.rs:58:5
Dec 06 05:54:05.809 INFO [stderr]    |
Dec 06 05:54:05.810 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Dec 06 05:54:05.810 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 05:54:05.810 INFO [stderr]    |
Dec 06 05:54:05.810 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 05:54:05.810 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 05:54:05.810 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 06 05:54:05.810 INFO [stderr] 
Dec 06 05:54:05.810 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 05:54:05.810 INFO [stderr]   --> src/main.rs:67:9
Dec 06 05:54:05.810 INFO [stderr]    |
Dec 06 05:54:05.810 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Dec 06 05:54:05.810 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 05:54:05.810 INFO [stderr]    |
Dec 06 05:54:05.810 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 05:54:05.810 INFO [stderr] 
Dec 06 05:54:11.103 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.92s
Dec 06 05:54:11.115 INFO [stderr] su: No module specific data is present
Dec 06 05:54:11.394 INFO running `"docker" "inspect" "0818c81169e1891dec9c723158fe6d53b1cd2ac919ae74272c641d095342edcb"`
Dec 06 05:54:11.495 INFO running `"docker" "rm" "-f" "0818c81169e1891dec9c723158fe6d53b1cd2ac919ae74272c641d095342edcb"`
Dec 06 05:54:11.704 INFO [stdout] 0818c81169e1891dec9c723158fe6d53b1cd2ac919ae74272c641d095342edcb
Dec 06 05:54:11.706 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 05:54:11.937 INFO [stdout] c38cb67957c89d122756133b97c3033208f1ddd48d01ea879bdfe23214fa40e7
Dec 06 05:54:11.942 INFO running `"docker" "start" "-a" "c38cb67957c89d122756133b97c3033208f1ddd48d01ea879bdfe23214fa40e7"`
Dec 06 05:54:12.436 INFO [stderr] usermod: no changes
Dec 06 05:54:12.612 INFO [stderr]    Compiling brotab v0.1.0 (/source)
Dec 06 05:54:16.145 INFO [stderr] warning: unused import: `std::thread`
Dec 06 05:54:16.145 INFO [stderr]   --> src/main.rs:10:5
Dec 06 05:54:16.145 INFO [stderr]    |
Dec 06 05:54:16.145 INFO [stderr] 10 | use std::thread;
Dec 06 05:54:16.145 INFO [stderr]    |     ^^^^^^^^^^^
Dec 06 05:54:16.145 INFO [stderr]    |
Dec 06 05:54:16.145 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 05:54:16.145 INFO [stderr] 
Dec 06 05:54:16.145 INFO [stderr] warning: unused import: `Arg`
Dec 06 05:54:16.145 INFO [stderr]   --> src/main.rs:16:17
Dec 06 05:54:16.145 INFO [stderr]    |
Dec 06 05:54:16.145 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Dec 06 05:54:16.145 INFO [stderr]    |                 ^^^
Dec 06 05:54:16.145 INFO [stderr] 
Dec 06 05:54:16.248 INFO [stderr] warning: unused variable: `text`
Dec 06 05:54:16.248 INFO [stderr]   --> src/main.rs:54:24
Dec 06 05:54:16.248 INFO [stderr]    |
Dec 06 05:54:16.248 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Dec 06 05:54:16.248 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Dec 06 05:54:16.248 INFO [stderr]    |
Dec 06 05:54:16.248 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 05:54:16.248 INFO [stderr] 
Dec 06 05:54:16.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 05:54:16.280 INFO [stderr]   --> src/main.rs:58:5
Dec 06 05:54:16.280 INFO [stderr]    |
Dec 06 05:54:16.280 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Dec 06 05:54:16.280 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 05:54:16.280 INFO [stderr]    |
Dec 06 05:54:16.280 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 05:54:16.280 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 05:54:16.280 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 06 05:54:16.280 INFO [stderr] 
Dec 06 05:54:16.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 05:54:16.280 INFO [stderr]   --> src/main.rs:67:9
Dec 06 05:54:16.280 INFO [stderr]    |
Dec 06 05:54:16.280 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Dec 06 05:54:16.280 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 05:54:16.280 INFO [stderr]    |
Dec 06 05:54:16.280 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 05:54:16.280 INFO [stderr] 
Dec 06 05:54:16.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
Dec 06 05:54:16.666 INFO [stderr] su: No module specific data is present
Dec 06 05:54:17.214 INFO running `"docker" "inspect" "c38cb67957c89d122756133b97c3033208f1ddd48d01ea879bdfe23214fa40e7"`
Dec 06 05:54:17.391 INFO running `"docker" "rm" "-f" "c38cb67957c89d122756133b97c3033208f1ddd48d01ea879bdfe23214fa40e7"`
Dec 06 05:54:17.508 INFO [stdout] c38cb67957c89d122756133b97c3033208f1ddd48d01ea879bdfe23214fa40e7
Dec 06 05:54:17.510 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 05:54:17.748 INFO [stdout] 1a8f345ccd853dd2e43d97b762a4f3789cd18caf23f997a2a74d64d687c4fa43
Dec 06 05:54:17.750 INFO running `"docker" "start" "-a" "1a8f345ccd853dd2e43d97b762a4f3789cd18caf23f997a2a74d64d687c4fa43"`
Dec 06 05:54:18.244 INFO [stderr] usermod: no changes
Dec 06 05:54:18.425 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Dec 06 05:54:18.431 INFO [stderr]      Running /target/debug/deps/brotab-922b91ee75b1d403
Dec 06 05:54:18.434 INFO [stdout] 
Dec 06 05:54:18.434 INFO [stdout] running 0 tests
Dec 06 05:54:18.434 INFO [stdout] 
Dec 06 05:54:18.434 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 05:54:18.434 INFO [stdout] 
Dec 06 05:54:18.438 INFO [stderr] su: No module specific data is present
Dec 06 05:54:18.698 INFO running `"docker" "inspect" "1a8f345ccd853dd2e43d97b762a4f3789cd18caf23f997a2a74d64d687c4fa43"`
Dec 06 05:54:18.815 INFO running `"docker" "rm" "-f" "1a8f345ccd853dd2e43d97b762a4f3789cd18caf23f997a2a74d64d687c4fa43"`
Dec 06 05:54:18.928 INFO [stdout] 1a8f345ccd853dd2e43d97b762a4f3789cd18caf23f997a2a74d64d687c4fa43