Dec 19 07:19:58.544 INFO checking thara/tkzip against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:19:58.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:19:59.074 INFO [stdout] 583162f03b643cd6e573e6b03445c09b6464a74be7d885a0401f746ab8133fce
Dec 19 07:19:59.074 INFO running `"docker" "start" "-a" "583162f03b643cd6e573e6b03445c09b6464a74be7d885a0401f746ab8133fce"`
Dec 19 07:20:00.854 INFO [stderr]    Compiling cc v1.0.2
Dec 19 07:20:00.854 INFO [stderr]     Checking podio v0.1.5
Dec 19 07:20:00.895 INFO [stderr]     Checking msdos_time v0.1.5
Dec 19 07:20:04.340 INFO [stderr]    Compiling bzip2-sys v0.1.6
Dec 19 07:20:04.345 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 19 07:20:06.836 INFO [stderr]     Checking flate2 v0.2.20
Dec 19 07:20:07.306 INFO [stderr]     Checking bzip2 v0.3.2
Dec 19 07:20:08.212 INFO [stderr]     Checking zip v0.2.6
Dec 19 07:20:09.040 INFO [stderr]     Checking tkzip v0.1.0 (/opt/crater/workdir)
Dec 19 07:20:09.316 INFO [stderr] warning: unused import: `std::fs::OpenOptions`
Dec 19 07:20:09.317 INFO [stderr]  --> src/main.rs:4:5
Dec 19 07:20:09.317 INFO [stderr]   |
Dec 19 07:20:09.317 INFO [stderr] 4 | use std::fs::OpenOptions;
Dec 19 07:20:09.317 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 07:20:09.317 INFO [stderr]   |
Dec 19 07:20:09.317 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:20:09.317 INFO [stderr] 
Dec 19 07:20:09.317 INFO [stderr] warning: unused import: `BufReader`
Dec 19 07:20:09.317 INFO [stderr]  --> src/main.rs:6:15
Dec 19 07:20:09.317 INFO [stderr]   |
Dec 19 07:20:09.317 INFO [stderr] 6 | use std::io::{BufReader, BufWriter};
Dec 19 07:20:09.317 INFO [stderr]   |               ^^^^^^^^^
Dec 19 07:20:09.317 INFO [stderr] 
Dec 19 07:20:09.336 INFO [stderr] warning: unused import: `std::fs::OpenOptions`
Dec 19 07:20:09.336 INFO [stderr]  --> src/main.rs:4:5
Dec 19 07:20:09.336 INFO [stderr]   |
Dec 19 07:20:09.336 INFO [stderr] 4 | use std::fs::OpenOptions;
Dec 19 07:20:09.336 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 07:20:09.336 INFO [stderr]   |
Dec 19 07:20:09.336 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:20:09.336 INFO [stderr] 
Dec 19 07:20:09.336 INFO [stderr] warning: unused import: `BufReader`
Dec 19 07:20:09.336 INFO [stderr]  --> src/main.rs:6:15
Dec 19 07:20:09.336 INFO [stderr]   |
Dec 19 07:20:09.336 INFO [stderr] 6 | use std::io::{BufReader, BufWriter};
Dec 19 07:20:09.336 INFO [stderr]   |               ^^^^^^^^^
Dec 19 07:20:09.336 INFO [stderr] 
Dec 19 07:20:09.368 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:20:09.368 INFO [stderr]   --> src/main.rs:20:9
Dec 19 07:20:09.368 INFO [stderr]    |
Dec 19 07:20:09.368 INFO [stderr] 20 |     let mut f = File::open(path).ok().expect("File open failed");
Dec 19 07:20:09.368 INFO [stderr]    |         ----^
Dec 19 07:20:09.368 INFO [stderr]    |         |
Dec 19 07:20:09.368 INFO [stderr]    |         help: remove this `mut`
Dec 19 07:20:09.368 INFO [stderr]    |
Dec 19 07:20:09.368 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 07:20:09.368 INFO [stderr] 
Dec 19 07:20:09.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:20:09.378 INFO [stderr]   --> src/main.rs:18:5
Dec 19 07:20:09.378 INFO [stderr]    |
Dec 19 07:20:09.378 INFO [stderr] 18 |     fs::create_dir_all(dest);
Dec 19 07:20:09.378 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:20:09.378 INFO [stderr]    |
Dec 19 07:20:09.378 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 07:20:09.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:20:09.378 INFO [stderr] 
Dec 19 07:20:09.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:20:09.378 INFO [stderr]   --> src/main.rs:44:21
Dec 19 07:20:09.378 INFO [stderr]    |
Dec 19 07:20:09.378 INFO [stderr] 44 |                     fs::create_dir_all(dir);
Dec 19 07:20:09.378 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:20:09.378 INFO [stderr]    |
Dec 19 07:20:09.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:20:09.378 INFO [stderr] 
Dec 19 07:20:09.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:20:09.378 INFO [stderr]   --> src/main.rs:51:29
Dec 19 07:20:09.378 INFO [stderr]    |
Dec 19 07:20:09.378 INFO [stderr] 51 |                             w.write(&[byte]);
Dec 19 07:20:09.378 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^
Dec 19 07:20:09.378 INFO [stderr]    |
Dec 19 07:20:09.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:20:09.378 INFO [stderr] 
Dec 19 07:20:09.378 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:20:09.378 INFO [stderr]   --> src/main.rs:54:21
Dec 19 07:20:09.378 INFO [stderr]    |
Dec 19 07:20:09.378 INFO [stderr] 54 |                     w.flush();
Dec 19 07:20:09.378 INFO [stderr]    |                     ^^^^^^^^^^
Dec 19 07:20:09.378 INFO [stderr]    |
Dec 19 07:20:09.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:20:09.378 INFO [stderr] 
Dec 19 07:20:09.476 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:20:09.476 INFO [stderr]   --> src/main.rs:20:9
Dec 19 07:20:09.476 INFO [stderr]    |
Dec 19 07:20:09.476 INFO [stderr] 20 |     let mut f = File::open(path).ok().expect("File open failed");
Dec 19 07:20:09.476 INFO [stderr]    |         ----^
Dec 19 07:20:09.476 INFO [stderr]    |         |
Dec 19 07:20:09.476 INFO [stderr]    |         help: remove this `mut`
Dec 19 07:20:09.476 INFO [stderr]    |
Dec 19 07:20:09.476 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 07:20:09.476 INFO [stderr] 
Dec 19 07:20:09.485 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:20:09.485 INFO [stderr]   --> src/main.rs:18:5
Dec 19 07:20:09.485 INFO [stderr]    |
Dec 19 07:20:09.485 INFO [stderr] 18 |     fs::create_dir_all(dest);
Dec 19 07:20:09.485 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:20:09.485 INFO [stderr]    |
Dec 19 07:20:09.485 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 07:20:09.485 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:20:09.485 INFO [stderr] 
Dec 19 07:20:09.488 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:20:09.488 INFO [stderr]   --> src/main.rs:44:21
Dec 19 07:20:09.488 INFO [stderr]    |
Dec 19 07:20:09.488 INFO [stderr] 44 |                     fs::create_dir_all(dir);
Dec 19 07:20:09.488 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:20:09.488 INFO [stderr]    |
Dec 19 07:20:09.488 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:20:09.488 INFO [stderr] 
Dec 19 07:20:09.488 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:20:09.488 INFO [stderr]   --> src/main.rs:51:29
Dec 19 07:20:09.488 INFO [stderr]    |
Dec 19 07:20:09.488 INFO [stderr] 51 |                             w.write(&[byte]);
Dec 19 07:20:09.488 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^
Dec 19 07:20:09.488 INFO [stderr]    |
Dec 19 07:20:09.488 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:20:09.488 INFO [stderr] 
Dec 19 07:20:09.488 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:20:09.488 INFO [stderr]   --> src/main.rs:54:21
Dec 19 07:20:09.488 INFO [stderr]    |
Dec 19 07:20:09.488 INFO [stderr] 54 |                     w.flush();
Dec 19 07:20:09.488 INFO [stderr]    |                     ^^^^^^^^^^
Dec 19 07:20:09.488 INFO [stderr]    |
Dec 19 07:20:09.488 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:20:09.488 INFO [stderr] 
Dec 19 07:20:09.527 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.73s
Dec 19 07:20:11.184 INFO running `"docker" "inspect" "583162f03b643cd6e573e6b03445c09b6464a74be7d885a0401f746ab8133fce"`
Dec 19 07:20:11.587 INFO running `"docker" "rm" "-f" "583162f03b643cd6e573e6b03445c09b6464a74be7d885a0401f746ab8133fce"`
Dec 19 07:20:11.984 INFO [stdout] 583162f03b643cd6e573e6b03445c09b6464a74be7d885a0401f746ab8133fce