Dec 06 14:37:01.577 INFO testing DeltaManiac/kilo-rs against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 14:37:01.577 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 14:37:02.088 INFO [stdout] 39b06731869596101ebc5b1011fb4b56daab554a95ff09e568099eeff5fb1bcd
Dec 06 14:37:02.094 INFO running `"docker" "start" "-a" "39b06731869596101ebc5b1011fb4b56daab554a95ff09e568099eeff5fb1bcd"`
Dec 06 14:37:03.815 INFO [stderr] usermod: no changes
Dec 06 14:37:03.907 INFO [stderr]    Compiling kilo-rs v0.1.0 (/source)
Dec 06 14:37:04.617 INFO [stderr] warning: unused import: `std::fmt`
Dec 06 14:37:04.617 INFO [stderr]  --> src/main.rs:9:5
Dec 06 14:37:04.617 INFO [stderr]   |
Dec 06 14:37:04.617 INFO [stderr] 9 | use std::fmt;
Dec 06 14:37:04.617 INFO [stderr]   |     ^^^^^^^^
Dec 06 14:37:04.617 INFO [stderr]   |
Dec 06 14:37:04.617 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:37:04.617 INFO [stderr] 
Dec 06 14:37:04.854 INFO [stderr] warning: variable `tab` is assigned to, but never used
Dec 06 14:37:04.854 INFO [stderr]   --> src/main.rs:83:17
Dec 06 14:37:04.854 INFO [stderr]    |
Dec 06 14:37:04.854 INFO [stderr] 83 |         let mut tab = 0;
Dec 06 14:37:04.854 INFO [stderr]    |                 ^^^
Dec 06 14:37:04.854 INFO [stderr]    |
Dec 06 14:37:04.854 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:37:04.854 INFO [stderr]    = note: consider using `_tab` instead
Dec 06 14:37:04.854 INFO [stderr] 
Dec 06 14:37:04.854 INFO [stderr] warning: unused variable: `nonprint`
Dec 06 14:37:04.854 INFO [stderr]   --> src/main.rs:84:17
Dec 06 14:37:04.854 INFO [stderr]    |
Dec 06 14:37:04.854 INFO [stderr] 84 |         let mut nonprint = 0;
Dec 06 14:37:04.854 INFO [stderr]    |                 ^^^^^^^^ help: consider using `_nonprint` instead
Dec 06 14:37:04.854 INFO [stderr] 
Dec 06 14:37:04.854 INFO [stderr] warning: unused variable: `j`
Dec 06 14:37:04.854 INFO [stderr]   --> src/main.rs:85:17
Dec 06 14:37:04.854 INFO [stderr]    |
Dec 06 14:37:04.854 INFO [stderr] 85 |         let mut j = 0;
Dec 06 14:37:04.854 INFO [stderr]    |                 ^ help: consider using `_j` instead
Dec 06 14:37:04.854 INFO [stderr] 
Dec 06 14:37:04.862 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:37:04.862 INFO [stderr]   --> src/main.rs:84:13
Dec 06 14:37:04.862 INFO [stderr]    |
Dec 06 14:37:04.862 INFO [stderr] 84 |         let mut nonprint = 0;
Dec 06 14:37:04.862 INFO [stderr]    |             ----^^^^^^^^
Dec 06 14:37:04.862 INFO [stderr]    |             |
Dec 06 14:37:04.862 INFO [stderr]    |             help: remove this `mut`
Dec 06 14:37:04.862 INFO [stderr]    |
Dec 06 14:37:04.862 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 14:37:04.862 INFO [stderr] 
Dec 06 14:37:04.862 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:37:04.863 INFO [stderr]   --> src/main.rs:85:13
Dec 06 14:37:04.863 INFO [stderr]    |
Dec 06 14:37:04.863 INFO [stderr] 85 |         let mut j = 0;
Dec 06 14:37:04.863 INFO [stderr]    |             ----^
Dec 06 14:37:04.863 INFO [stderr]    |             |
Dec 06 14:37:04.863 INFO [stderr]    |             help: remove this `mut`
Dec 06 14:37:04.863 INFO [stderr] 
Dec 06 14:37:04.871 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:37:04.871 INFO [stderr]    --> src/main.rs:121:17
Dec 06 14:37:04.872 INFO [stderr]     |
Dec 06 14:37:04.872 INFO [stderr] 121 |             let mut rendered_content = self.update_row(contents.clone());
Dec 06 14:37:04.872 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^^
Dec 06 14:37:04.872 INFO [stderr]     |                 |
Dec 06 14:37:04.872 INFO [stderr]     |                 help: remove this `mut`
Dec 06 14:37:04.872 INFO [stderr] 
Dec 06 14:37:04.885 INFO [stderr] warning: variant is never constructed: `Null`
Dec 06 14:37:04.885 INFO [stderr]   --> src/main.rs:18:5
Dec 06 14:37:04.885 INFO [stderr]    |
Dec 06 14:37:04.885 INFO [stderr] 18 |     Null,
Dec 06 14:37:04.885 INFO [stderr]    |     ^^^^
Dec 06 14:37:04.885 INFO [stderr]    |
Dec 06 14:37:04.885 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 14:37:04.885 INFO [stderr] 
Dec 06 14:37:04.885 INFO [stderr] warning: variant is never constructed: `CtrlC`
Dec 06 14:37:04.885 INFO [stderr]   --> src/main.rs:19:5
Dec 06 14:37:04.885 INFO [stderr]    |
Dec 06 14:37:04.885 INFO [stderr] 19 |     CtrlC,
Dec 06 14:37:04.885 INFO [stderr]    |     ^^^^^
Dec 06 14:37:04.885 INFO [stderr] 
Dec 06 14:37:04.885 INFO [stderr] warning: variant is never constructed: `CtrlD`
Dec 06 14:37:04.885 INFO [stderr]   --> src/main.rs:20:5
Dec 06 14:37:04.885 INFO [stderr]    |
Dec 06 14:37:04.885 INFO [stderr] 20 |     CtrlD,
Dec 06 14:37:04.885 INFO [stderr]    |     ^^^^^
Dec 06 14:37:04.885 INFO [stderr] 
Dec 06 14:37:04.886 INFO [stderr] warning: variant is never constructed: `CtrlF`
Dec 06 14:37:04.886 INFO [stderr]   --> src/main.rs:21:5
Dec 06 14:37:04.886 INFO [stderr]    |
Dec 06 14:37:04.886 INFO [stderr] 21 |     CtrlF,
Dec 06 14:37:04.886 INFO [stderr]    |     ^^^^^
Dec 06 14:37:04.886 INFO [stderr] 
Dec 06 14:37:04.886 INFO [stderr] warning: variant is never constructed: `CtrlH`
Dec 06 14:37:04.886 INFO [stderr]   --> src/main.rs:22:5
Dec 06 14:37:04.886 INFO [stderr]    |
Dec 06 14:37:04.886 INFO [stderr] 22 |     CtrlH,
Dec 06 14:37:04.886 INFO [stderr]    |     ^^^^^
Dec 06 14:37:04.886 INFO [stderr] 
Dec 06 14:37:04.886 INFO [stderr] warning: variant is never constructed: `ArrowLeft`
Dec 06 14:37:04.886 INFO [stderr]   --> src/main.rs:24:5
Dec 06 14:37:04.886 INFO [stderr]    |
Dec 06 14:37:04.886 INFO [stderr] 24 |     ArrowLeft,
Dec 06 14:37:04.886 INFO [stderr]    |     ^^^^^^^^^
Dec 06 14:37:04.886 INFO [stderr] 
Dec 06 14:37:04.886 INFO [stderr] warning: variant is never constructed: `ArrowRight`
Dec 06 14:37:04.886 INFO [stderr]   --> src/main.rs:25:5
Dec 06 14:37:04.886 INFO [stderr]    |
Dec 06 14:37:04.886 INFO [stderr] 25 |     ArrowRight,
Dec 06 14:37:04.886 INFO [stderr]    |     ^^^^^^^^^^
Dec 06 14:37:04.886 INFO [stderr] 
Dec 06 14:37:04.886 INFO [stderr] warning: variant is never constructed: `ArrowUp`
Dec 06 14:37:04.886 INFO [stderr]   --> src/main.rs:26:5
Dec 06 14:37:04.886 INFO [stderr]    |
Dec 06 14:37:04.886 INFO [stderr] 26 |     ArrowUp,
Dec 06 14:37:04.886 INFO [stderr]    |     ^^^^^^^
Dec 06 14:37:04.886 INFO [stderr] 
Dec 06 14:37:04.886 INFO [stderr] warning: variant is never constructed: `ArrowDown`
Dec 06 14:37:04.886 INFO [stderr]   --> src/main.rs:27:5
Dec 06 14:37:04.886 INFO [stderr]    |
Dec 06 14:37:04.886 INFO [stderr] 27 |     ArrowDown,
Dec 06 14:37:04.886 INFO [stderr]    |     ^^^^^^^^^
Dec 06 14:37:04.886 INFO [stderr] 
Dec 06 14:37:04.886 INFO [stderr] warning: method is never used: `enable_raw_mode`
Dec 06 14:37:04.886 INFO [stderr]    --> src/main.rs:137:5
Dec 06 14:37:04.886 INFO [stderr]     |
Dec 06 14:37:04.886 INFO [stderr] 137 |     fn enable_raw_mode(&mut self, fd: RawFd) -> io::Result<()> {
Dec 06 14:37:04.886 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:37:04.886 INFO [stderr] 
Dec 06 14:37:04.886 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 14:37:04.886 INFO [stderr]    --> src/main.rs:267:9
Dec 06 14:37:04.886 INFO [stderr]     |
Dec 06 14:37:04.886 INFO [stderr] 267 |         write(std::io::stdout().as_raw_fd(), &output.into_bytes()[..]);
Dec 06 14:37:04.886 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:37:04.886 INFO [stderr]     |
Dec 06 14:37:04.886 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 14:37:04.886 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 14:37:04.886 INFO [stderr] 
Dec 06 14:37:04.887 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 14:37:04.887 INFO [stderr]    --> src/main.rs:294:5
Dec 06 14:37:04.887 INFO [stderr]     |
Dec 06 14:37:04.887 INFO [stderr] 294 |     c.open(args[1].to_owned());
Dec 06 14:37:04.887 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:37:04.887 INFO [stderr]     |
Dec 06 14:37:04.887 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 14:37:04.887 INFO [stderr] 
Dec 06 14:37:05.914 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Dec 06 14:37:05.935 INFO [stderr] su: No module specific data is present
Dec 06 14:37:07.472 INFO running `"docker" "inspect" "39b06731869596101ebc5b1011fb4b56daab554a95ff09e568099eeff5fb1bcd"`
Dec 06 14:37:07.782 INFO running `"docker" "rm" "-f" "39b06731869596101ebc5b1011fb4b56daab554a95ff09e568099eeff5fb1bcd"`
Dec 06 14:37:08.030 INFO [stdout] 39b06731869596101ebc5b1011fb4b56daab554a95ff09e568099eeff5fb1bcd
Dec 06 14:37:08.040 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 14:37:08.554 INFO [stdout] 25780a891e3a8ead21570fbf72f729573425cda769384dfa3e36b143186d1722
Dec 06 14:37:08.554 INFO running `"docker" "start" "-a" "25780a891e3a8ead21570fbf72f729573425cda769384dfa3e36b143186d1722"`
Dec 06 14:37:10.380 INFO [stderr] usermod: no changes
Dec 06 14:37:10.502 INFO [stderr]    Compiling kilo-rs v0.1.0 (/source)
Dec 06 14:37:11.300 INFO [stderr] warning: unused import: `std::fmt`
Dec 06 14:37:11.300 INFO [stderr]  --> src/main.rs:9:5
Dec 06 14:37:11.300 INFO [stderr]   |
Dec 06 14:37:11.300 INFO [stderr] 9 | use std::fmt;
Dec 06 14:37:11.300 INFO [stderr]   |     ^^^^^^^^
Dec 06 14:37:11.300 INFO [stderr]   |
Dec 06 14:37:11.300 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:37:11.300 INFO [stderr] 
Dec 06 14:37:11.436 INFO [stderr] warning: variable `tab` is assigned to, but never used
Dec 06 14:37:11.436 INFO [stderr]   --> src/main.rs:83:17
Dec 06 14:37:11.436 INFO [stderr]    |
Dec 06 14:37:11.436 INFO [stderr] 83 |         let mut tab = 0;
Dec 06 14:37:11.436 INFO [stderr]    |                 ^^^
Dec 06 14:37:11.436 INFO [stderr]    |
Dec 06 14:37:11.436 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:37:11.436 INFO [stderr]    = note: consider using `_tab` instead
Dec 06 14:37:11.436 INFO [stderr] 
Dec 06 14:37:11.436 INFO [stderr] warning: unused variable: `nonprint`
Dec 06 14:37:11.436 INFO [stderr]   --> src/main.rs:84:17
Dec 06 14:37:11.436 INFO [stderr]    |
Dec 06 14:37:11.436 INFO [stderr] 84 |         let mut nonprint = 0;
Dec 06 14:37:11.436 INFO [stderr]    |                 ^^^^^^^^ help: consider using `_nonprint` instead
Dec 06 14:37:11.436 INFO [stderr] 
Dec 06 14:37:11.436 INFO [stderr] warning: unused variable: `j`
Dec 06 14:37:11.436 INFO [stderr]   --> src/main.rs:85:17
Dec 06 14:37:11.436 INFO [stderr]    |
Dec 06 14:37:11.436 INFO [stderr] 85 |         let mut j = 0;
Dec 06 14:37:11.436 INFO [stderr]    |                 ^ help: consider using `_j` instead
Dec 06 14:37:11.436 INFO [stderr] 
Dec 06 14:37:11.440 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:37:11.440 INFO [stderr]   --> src/main.rs:84:13
Dec 06 14:37:11.440 INFO [stderr]    |
Dec 06 14:37:11.440 INFO [stderr] 84 |         let mut nonprint = 0;
Dec 06 14:37:11.440 INFO [stderr]    |             ----^^^^^^^^
Dec 06 14:37:11.440 INFO [stderr]    |             |
Dec 06 14:37:11.440 INFO [stderr]    |             help: remove this `mut`
Dec 06 14:37:11.440 INFO [stderr]    |
Dec 06 14:37:11.440 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 14:37:11.440 INFO [stderr] 
Dec 06 14:37:11.440 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:37:11.440 INFO [stderr]   --> src/main.rs:85:13
Dec 06 14:37:11.440 INFO [stderr]    |
Dec 06 14:37:11.440 INFO [stderr] 85 |         let mut j = 0;
Dec 06 14:37:11.440 INFO [stderr]    |             ----^
Dec 06 14:37:11.440 INFO [stderr]    |             |
Dec 06 14:37:11.440 INFO [stderr]    |             help: remove this `mut`
Dec 06 14:37:11.440 INFO [stderr] 
Dec 06 14:37:11.445 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:37:11.445 INFO [stderr]    --> src/main.rs:121:17
Dec 06 14:37:11.445 INFO [stderr]     |
Dec 06 14:37:11.445 INFO [stderr] 121 |             let mut rendered_content = self.update_row(contents.clone());
Dec 06 14:37:11.445 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^^
Dec 06 14:37:11.445 INFO [stderr]     |                 |
Dec 06 14:37:11.445 INFO [stderr]     |                 help: remove this `mut`
Dec 06 14:37:11.445 INFO [stderr] 
Dec 06 14:37:11.460 INFO [stderr] warning: variant is never constructed: `Null`
Dec 06 14:37:11.460 INFO [stderr]   --> src/main.rs:18:5
Dec 06 14:37:11.460 INFO [stderr]    |
Dec 06 14:37:11.460 INFO [stderr] 18 |     Null,
Dec 06 14:37:11.460 INFO [stderr]    |     ^^^^
Dec 06 14:37:11.460 INFO [stderr]    |
Dec 06 14:37:11.461 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 14:37:11.461 INFO [stderr] 
Dec 06 14:37:11.461 INFO [stderr] warning: variant is never constructed: `CtrlC`
Dec 06 14:37:11.461 INFO [stderr]   --> src/main.rs:19:5
Dec 06 14:37:11.461 INFO [stderr]    |
Dec 06 14:37:11.461 INFO [stderr] 19 |     CtrlC,
Dec 06 14:37:11.461 INFO [stderr]    |     ^^^^^
Dec 06 14:37:11.461 INFO [stderr] 
Dec 06 14:37:11.461 INFO [stderr] warning: variant is never constructed: `CtrlD`
Dec 06 14:37:11.461 INFO [stderr]   --> src/main.rs:20:5
Dec 06 14:37:11.461 INFO [stderr]    |
Dec 06 14:37:11.461 INFO [stderr] 20 |     CtrlD,
Dec 06 14:37:11.461 INFO [stderr]    |     ^^^^^
Dec 06 14:37:11.461 INFO [stderr] 
Dec 06 14:37:11.461 INFO [stderr] warning: variant is never constructed: `CtrlF`
Dec 06 14:37:11.461 INFO [stderr]   --> src/main.rs:21:5
Dec 06 14:37:11.461 INFO [stderr]    |
Dec 06 14:37:11.461 INFO [stderr] 21 |     CtrlF,
Dec 06 14:37:11.461 INFO [stderr]    |     ^^^^^
Dec 06 14:37:11.461 INFO [stderr] 
Dec 06 14:37:11.461 INFO [stderr] warning: variant is never constructed: `CtrlH`
Dec 06 14:37:11.461 INFO [stderr]   --> src/main.rs:22:5
Dec 06 14:37:11.461 INFO [stderr]    |
Dec 06 14:37:11.461 INFO [stderr] 22 |     CtrlH,
Dec 06 14:37:11.461 INFO [stderr]    |     ^^^^^
Dec 06 14:37:11.461 INFO [stderr] 
Dec 06 14:37:11.461 INFO [stderr] warning: variant is never constructed: `ArrowLeft`
Dec 06 14:37:11.461 INFO [stderr]   --> src/main.rs:24:5
Dec 06 14:37:11.461 INFO [stderr]    |
Dec 06 14:37:11.461 INFO [stderr] 24 |     ArrowLeft,
Dec 06 14:37:11.461 INFO [stderr]    |     ^^^^^^^^^
Dec 06 14:37:11.461 INFO [stderr] 
Dec 06 14:37:11.461 INFO [stderr] warning: variant is never constructed: `ArrowRight`
Dec 06 14:37:11.461 INFO [stderr]   --> src/main.rs:25:5
Dec 06 14:37:11.461 INFO [stderr]    |
Dec 06 14:37:11.461 INFO [stderr] 25 |     ArrowRight,
Dec 06 14:37:11.461 INFO [stderr]    |     ^^^^^^^^^^
Dec 06 14:37:11.461 INFO [stderr] 
Dec 06 14:37:11.461 INFO [stderr] warning: variant is never constructed: `ArrowUp`
Dec 06 14:37:11.461 INFO [stderr]   --> src/main.rs:26:5
Dec 06 14:37:11.461 INFO [stderr]    |
Dec 06 14:37:11.461 INFO [stderr] 26 |     ArrowUp,
Dec 06 14:37:11.461 INFO [stderr]    |     ^^^^^^^
Dec 06 14:37:11.461 INFO [stderr] 
Dec 06 14:37:11.461 INFO [stderr] warning: variant is never constructed: `ArrowDown`
Dec 06 14:37:11.461 INFO [stderr]   --> src/main.rs:27:5
Dec 06 14:37:11.461 INFO [stderr]    |
Dec 06 14:37:11.461 INFO [stderr] 27 |     ArrowDown,
Dec 06 14:37:11.461 INFO [stderr]    |     ^^^^^^^^^
Dec 06 14:37:11.461 INFO [stderr] 
Dec 06 14:37:11.462 INFO [stderr] warning: method is never used: `enable_raw_mode`
Dec 06 14:37:11.462 INFO [stderr]    --> src/main.rs:137:5
Dec 06 14:37:11.462 INFO [stderr]     |
Dec 06 14:37:11.462 INFO [stderr] 137 |     fn enable_raw_mode(&mut self, fd: RawFd) -> io::Result<()> {
Dec 06 14:37:11.462 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:37:11.462 INFO [stderr] 
Dec 06 14:37:11.462 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 14:37:11.462 INFO [stderr]    --> src/main.rs:267:9
Dec 06 14:37:11.462 INFO [stderr]     |
Dec 06 14:37:11.462 INFO [stderr] 267 |         write(std::io::stdout().as_raw_fd(), &output.into_bytes()[..]);
Dec 06 14:37:11.462 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:37:11.462 INFO [stderr]     |
Dec 06 14:37:11.462 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 14:37:11.462 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 14:37:11.462 INFO [stderr] 
Dec 06 14:37:11.462 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 14:37:11.462 INFO [stderr]    --> src/main.rs:294:5
Dec 06 14:37:11.462 INFO [stderr]     |
Dec 06 14:37:11.462 INFO [stderr] 294 |     c.open(args[1].to_owned());
Dec 06 14:37:11.462 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:37:11.462 INFO [stderr]     |
Dec 06 14:37:11.462 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 14:37:11.462 INFO [stderr] 
Dec 06 14:37:11.829 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Dec 06 14:37:11.831 INFO [stderr] su: No module specific data is present
Dec 06 14:37:12.591 INFO running `"docker" "inspect" "25780a891e3a8ead21570fbf72f729573425cda769384dfa3e36b143186d1722"`
Dec 06 14:37:12.856 INFO running `"docker" "rm" "-f" "25780a891e3a8ead21570fbf72f729573425cda769384dfa3e36b143186d1722"`
Dec 06 14:37:13.188 INFO [stdout] 25780a891e3a8ead21570fbf72f729573425cda769384dfa3e36b143186d1722
Dec 06 14:37:13.196 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 14:37:13.849 INFO [stdout] 7919f04d082b7fc04766b9642d2f179ef5b64c7e122df25c71e9d90704eb0dd0
Dec 06 14:37:13.851 INFO running `"docker" "start" "-a" "7919f04d082b7fc04766b9642d2f179ef5b64c7e122df25c71e9d90704eb0dd0"`
Dec 06 14:37:14.799 INFO [stderr] usermod: no changes
Dec 06 14:37:14.888 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 06 14:37:14.904 INFO [stderr]      Running /target/debug/deps/kilo_rs-745f284cee03c08c
Dec 06 14:37:14.908 INFO [stdout] 
Dec 06 14:37:14.908 INFO [stdout] running 0 tests
Dec 06 14:37:14.908 INFO [stdout] 
Dec 06 14:37:14.908 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:37:14.908 INFO [stdout] 
Dec 06 14:37:14.911 INFO [stderr] su: No module specific data is present
Dec 06 14:37:15.555 INFO running `"docker" "inspect" "7919f04d082b7fc04766b9642d2f179ef5b64c7e122df25c71e9d90704eb0dd0"`
Dec 06 14:37:15.846 INFO running `"docker" "rm" "-f" "7919f04d082b7fc04766b9642d2f179ef5b64c7e122df25c71e9d90704eb0dd0"`
Dec 06 14:37:16.136 INFO [stdout] 7919f04d082b7fc04766b9642d2f179ef5b64c7e122df25c71e9d90704eb0dd0