Dec 17 11:55:28.874 INFO checking wisechengyi/rust_tar_repro against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 11:55:28.874 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/wisechengyi/rust_tar_repro:/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 11:55:29.070 INFO [stdout] 11f3217ecff6de85150c81bca41acd79d0622bad23eb08985eaa5cf0b7ad226e
Dec 17 11:55:29.074 INFO running `"docker" "start" "-a" "11f3217ecff6de85150c81bca41acd79d0622bad23eb08985eaa5cf0b7ad226e"`
Dec 17 11:55:29.841 INFO [stderr]     Checking xattr v0.2.2
Dec 17 11:55:29.841 INFO [stderr]     Checking filetime v0.2.3
Dec 17 11:55:29.841 INFO [stderr]     Checking flate2 v1.0.4
Dec 17 11:55:30.104 INFO [stderr]     Checking tar v0.4.19
Dec 17 11:55:31.137 INFO [stderr]     Checking tar_api v0.0.1 (/opt/crater/workdir)
Dec 17 11:55:31.288 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:55:31.288 INFO [stderr]   --> src/tar_api.rs:29:3
Dec 17 11:55:31.288 INFO [stderr]    |
Dec 17 11:55:31.288 INFO [stderr] 29 |   tar.finish();
Dec 17 11:55:31.288 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 17 11:55:31.288 INFO [stderr]    |
Dec 17 11:55:31.288 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 11:55:31.288 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:55:31.288 INFO [stderr] 
Dec 17 11:55:31.313 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:55:31.314 INFO [stderr]   --> src/tar_api.rs:29:3
Dec 17 11:55:31.314 INFO [stderr]    |
Dec 17 11:55:31.314 INFO [stderr] 29 |   tar.finish();
Dec 17 11:55:31.314 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 17 11:55:31.314 INFO [stderr]    |
Dec 17 11:55:31.314 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 11:55:31.314 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:55:31.314 INFO [stderr] 
Dec 17 11:55:31.472 INFO [stderr] warning: unused import: `value_t`
Dec 17 11:55:31.472 INFO [stderr]  --> src/main.rs:5:34
Dec 17 11:55:31.472 INFO [stderr]   |
Dec 17 11:55:31.472 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, value_t};
Dec 17 11:55:31.472 INFO [stderr]   |                                  ^^^^^^^
Dec 17 11:55:31.472 INFO [stderr]   |
Dec 17 11:55:31.472 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:55:31.472 INFO [stderr] 
Dec 17 11:55:31.472 INFO [stderr] warning: unused import: `Path`
Dec 17 11:55:31.472 INFO [stderr]  --> src/main.rs:6:17
Dec 17 11:55:31.472 INFO [stderr]   |
Dec 17 11:55:31.472 INFO [stderr] 6 | use std::path::{Path, PathBuf};
Dec 17 11:55:31.472 INFO [stderr]   |                 ^^^^
Dec 17 11:55:31.472 INFO [stderr] 
Dec 17 11:55:31.484 INFO [stderr] warning: unused import: `value_t`
Dec 17 11:55:31.484 INFO [stderr]  --> src/main.rs:5:34
Dec 17 11:55:31.484 INFO [stderr]   |
Dec 17 11:55:31.484 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, value_t};
Dec 17 11:55:31.484 INFO [stderr]   |                                  ^^^^^^^
Dec 17 11:55:31.492 INFO [stderr]   |
Dec 17 11:55:31.492 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:55:31.492 INFO [stderr] 
Dec 17 11:55:31.492 INFO [stderr] warning: unused import: `Path`
Dec 17 11:55:31.492 INFO [stderr]  --> src/main.rs:6:17
Dec 17 11:55:31.492 INFO [stderr]   |
Dec 17 11:55:31.492 INFO [stderr] 6 | use std::path::{Path, PathBuf};
Dec 17 11:55:31.492 INFO [stderr]   |                 ^^^^
Dec 17 11:55:31.492 INFO [stderr] 
Dec 17 11:55:31.526 INFO [stderr] warning: unused variable: `sub_matches`
Dec 17 11:55:31.526 INFO [stderr]   --> src/main.rs:47:15
Dec 17 11:55:31.526 INFO [stderr]    |
Dec 17 11:55:31.526 INFO [stderr] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
Dec 17 11:55:31.526 INFO [stderr]    |               ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Dec 17 11:55:31.537 INFO [stderr]    |
Dec 17 11:55:31.537 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 11:55:31.537 INFO [stderr] 
Dec 17 11:55:31.552 INFO [stderr] warning: unused variable: `sub_matches`
Dec 17 11:55:31.552 INFO [stderr]   --> src/main.rs:47:15
Dec 17 11:55:31.552 INFO [stderr]    |
Dec 17 11:55:31.552 INFO [stderr] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
Dec 17 11:55:31.552 INFO [stderr]    |               ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Dec 17 11:55:31.552 INFO [stderr]    |
Dec 17 11:55:31.552 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 11:55:31.552 INFO [stderr] 
Dec 17 11:55:31.568 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
Dec 17 11:55:32.004 INFO running `"docker" "inspect" "11f3217ecff6de85150c81bca41acd79d0622bad23eb08985eaa5cf0b7ad226e"`
Dec 17 11:55:32.134 INFO running `"docker" "rm" "-f" "11f3217ecff6de85150c81bca41acd79d0622bad23eb08985eaa5cf0b7ad226e"`
Dec 17 11:55:32.308 INFO [stdout] 11f3217ecff6de85150c81bca41acd79d0622bad23eb08985eaa5cf0b7ad226e