Dec 17 13:50:31.645 INFO checking thara/tkzip against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:50:31.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/thara/tkzip:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:50:32.142 INFO [stdout] 78f514885ac6d4453a14ea1b111ebfcff412bc404caa439c56564c79d0063892
Dec 17 13:50:32.144 INFO running `"docker" "start" "-a" "78f514885ac6d4453a14ea1b111ebfcff412bc404caa439c56564c79d0063892"`
Dec 17 13:50:34.144 INFO [stderr]    Compiling cc v1.0.2
Dec 17 13:50:34.144 INFO [stderr]     Checking podio v0.1.5
Dec 17 13:50:34.152 INFO [stderr]     Checking msdos_time v0.1.5
Dec 17 13:50:38.177 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 17 13:50:38.177 INFO [stderr]    Compiling bzip2-sys v0.1.6
Dec 17 13:50:41.307 INFO [stderr]     Checking flate2 v0.2.20
Dec 17 13:50:41.704 INFO [stderr]     Checking bzip2 v0.3.2
Dec 17 13:50:42.710 INFO [stderr]     Checking zip v0.2.6
Dec 17 13:50:43.398 INFO [stderr]     Checking tkzip v0.1.0 (/opt/crater/workdir)
Dec 17 13:50:43.628 INFO [stderr] warning: unused import: `std::fs::OpenOptions`
Dec 17 13:50:43.628 INFO [stderr]  --> src/main.rs:4:5
Dec 17 13:50:43.628 INFO [stderr]   |
Dec 17 13:50:43.628 INFO [stderr] 4 | use std::fs::OpenOptions;
Dec 17 13:50:43.628 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 13:50:43.628 INFO [stderr]   |
Dec 17 13:50:43.629 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:50:43.629 INFO [stderr] 
Dec 17 13:50:43.629 INFO [stderr] warning: unused import: `BufReader`
Dec 17 13:50:43.629 INFO [stderr]  --> src/main.rs:6:15
Dec 17 13:50:43.630 INFO [stderr]   |
Dec 17 13:50:43.630 INFO [stderr] 6 | use std::io::{BufReader, BufWriter};
Dec 17 13:50:43.630 INFO [stderr]   |               ^^^^^^^^^
Dec 17 13:50:43.630 INFO [stderr] 
Dec 17 13:50:43.681 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:50:43.681 INFO [stderr]   --> src/main.rs:20:9
Dec 17 13:50:43.681 INFO [stderr]    |
Dec 17 13:50:43.682 INFO [stderr] 20 |     let mut f = File::open(path).ok().expect("File open failed");
Dec 17 13:50:43.682 INFO [stderr]    |         ----^
Dec 17 13:50:43.682 INFO [stderr]    |         |
Dec 17 13:50:43.682 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:50:43.683 INFO [stderr]    |
Dec 17 13:50:43.683 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:50:43.683 INFO [stderr] 
Dec 17 13:50:43.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:50:43.705 INFO [stderr]   --> src/main.rs:18:5
Dec 17 13:50:43.705 INFO [stderr]    |
Dec 17 13:50:43.705 INFO [stderr] 18 |     fs::create_dir_all(dest);
Dec 17 13:50:43.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:50:43.705 INFO [stderr] warning: unused import: `std::fs::OpenOptions`
Dec 17 13:50:43.706 INFO [stderr]  --> src/main.rs:4:5
Dec 17 13:50:43.706 INFO [stderr]   |
Dec 17 13:50:43.706 INFO [stderr] 4 | use std::fs::OpenOptions;
Dec 17 13:50:43.706 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 13:50:43.707 INFO [stderr]   |
Dec 17 13:50:43.707 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:50:43.707 INFO [stderr] 
Dec 17 13:50:43.707 INFO [stderr] warning: unused import: `BufReader`
Dec 17 13:50:43.707 INFO [stderr]  --> src/main.rs:6:15
Dec 17 13:50:43.708 INFO [stderr]   |
Dec 17 13:50:43.708 INFO [stderr] 6 | use std::io::{BufReader, BufWriter};
Dec 17 13:50:43.708 INFO [stderr]   |               ^^^^^^^^^
Dec 17 13:50:43.708 INFO [stderr] 
Dec 17 13:50:43.709 INFO [stderr]    |
Dec 17 13:50:43.709 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:50:43.709 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:50:43.709 INFO [stderr] 
Dec 17 13:50:43.710 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:50:43.710 INFO [stderr]   --> src/main.rs:44:21
Dec 17 13:50:43.710 INFO [stderr]    |
Dec 17 13:50:43.710 INFO [stderr] 44 |                     fs::create_dir_all(dir);
Dec 17 13:50:43.711 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:50:43.711 INFO [stderr]    |
Dec 17 13:50:43.711 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:50:43.711 INFO [stderr] 
Dec 17 13:50:43.712 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:50:43.712 INFO [stderr]   --> src/main.rs:51:29
Dec 17 13:50:43.712 INFO [stderr]    |
Dec 17 13:50:43.713 INFO [stderr] 51 |                             w.write(&[byte]);
Dec 17 13:50:43.713 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^
Dec 17 13:50:43.713 INFO [stderr]    |
Dec 17 13:50:43.713 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:50:43.714 INFO [stderr] 
Dec 17 13:50:43.714 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:50:43.714 INFO [stderr]   --> src/main.rs:54:21
Dec 17 13:50:43.715 INFO [stderr]    |
Dec 17 13:50:43.715 INFO [stderr] 54 |                     w.flush();
Dec 17 13:50:43.715 INFO [stderr]    |                     ^^^^^^^^^^
Dec 17 13:50:43.715 INFO [stderr]    |
Dec 17 13:50:43.716 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:50:43.716 INFO [stderr] 
Dec 17 13:50:43.832 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:50:43.833 INFO [stderr]   --> src/main.rs:20:9
Dec 17 13:50:43.833 INFO [stderr]    |
Dec 17 13:50:43.833 INFO [stderr] 20 |     let mut f = File::open(path).ok().expect("File open failed");
Dec 17 13:50:43.833 INFO [stderr]    |         ----^
Dec 17 13:50:43.834 INFO [stderr]    |         |
Dec 17 13:50:43.834 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:50:43.834 INFO [stderr]    |
Dec 17 13:50:43.834 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:50:43.834 INFO [stderr] 
Dec 17 13:50:43.849 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:50:43.849 INFO [stderr]   --> src/main.rs:18:5
Dec 17 13:50:43.849 INFO [stderr]    |
Dec 17 13:50:43.849 INFO [stderr] 18 |     fs::create_dir_all(dest);
Dec 17 13:50:43.850 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:50:43.850 INFO [stderr]    |
Dec 17 13:50:43.850 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:50:43.851 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:50:43.851 INFO [stderr] 
Dec 17 13:50:43.851 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:50:43.851 INFO [stderr]   --> src/main.rs:44:21
Dec 17 13:50:43.852 INFO [stderr]    |
Dec 17 13:50:43.852 INFO [stderr] 44 |                     fs::create_dir_all(dir);
Dec 17 13:50:43.852 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:50:43.852 INFO [stderr]    |
Dec 17 13:50:43.853 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:50:43.853 INFO [stderr] 
Dec 17 13:50:43.853 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:50:43.853 INFO [stderr]   --> src/main.rs:51:29
Dec 17 13:50:43.853 INFO [stderr]    |
Dec 17 13:50:43.854 INFO [stderr] 51 |                             w.write(&[byte]);
Dec 17 13:50:43.854 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^
Dec 17 13:50:43.854 INFO [stderr]    |
Dec 17 13:50:43.854 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:50:43.854 INFO [stderr] 
Dec 17 13:50:43.855 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:50:43.855 INFO [stderr]   --> src/main.rs:54:21
Dec 17 13:50:43.855 INFO [stderr]    |
Dec 17 13:50:43.855 INFO [stderr] 54 |                     w.flush();
Dec 17 13:50:43.856 INFO [stderr]    |                     ^^^^^^^^^^
Dec 17 13:50:43.856 INFO [stderr]    |
Dec 17 13:50:43.856 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:50:43.856 INFO [stderr] 
Dec 17 13:50:43.893 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.83s
Dec 17 13:50:45.424 INFO running `"docker" "inspect" "78f514885ac6d4453a14ea1b111ebfcff412bc404caa439c56564c79d0063892"`
Dec 17 13:50:45.662 INFO running `"docker" "rm" "-f" "78f514885ac6d4453a14ea1b111ebfcff412bc404caa439c56564c79d0063892"`
Dec 17 13:50:45.940 INFO [stdout] 78f514885ac6d4453a14ea1b111ebfcff412bc404caa439c56564c79d0063892