Dec 19 05:30:49.448 INFO checking wisechengyi/rust_tar_repro against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:30:49.448 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:30:49.844 INFO [stdout] 3fc9ecd0cadbbd3654b7f507e9ab6a7045efd8aac8ffc59b403271ccee7bba4d
Dec 19 05:30:49.852 INFO running `"docker" "start" "-a" "3fc9ecd0cadbbd3654b7f507e9ab6a7045efd8aac8ffc59b403271ccee7bba4d"`
Dec 19 05:30:50.658 INFO [stderr]     Checking xattr v0.2.2
Dec 19 05:30:50.658 INFO [stderr]     Checking filetime v0.2.3
Dec 19 05:30:50.658 INFO [stderr]     Checking miniz-sys v0.1.11
Dec 19 05:30:50.924 INFO [stderr]     Checking flate2 v1.0.4
Dec 19 05:30:51.000 INFO [stderr]     Checking tar v0.4.19
Dec 19 05:30:51.944 INFO [stderr]     Checking tar_api v0.0.1 (/opt/crater/workdir)
Dec 19 05:30:52.064 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:30:52.064 INFO [stderr]   --> src/tar_api.rs:29:3
Dec 19 05:30:52.064 INFO [stderr]    |
Dec 19 05:30:52.064 INFO [stderr] 29 |   tar.finish();
Dec 19 05:30:52.064 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 19 05:30:52.064 INFO [stderr]    |
Dec 19 05:30:52.064 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 05:30:52.064 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:30:52.064 INFO [stderr] 
Dec 19 05:30:52.117 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:30:52.117 INFO [stderr]   --> src/tar_api.rs:29:3
Dec 19 05:30:52.117 INFO [stderr]    |
Dec 19 05:30:52.117 INFO [stderr] 29 |   tar.finish();
Dec 19 05:30:52.117 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 19 05:30:52.117 INFO [stderr]    |
Dec 19 05:30:52.117 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 05:30:52.117 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:30:52.119 INFO [stderr] 
Dec 19 05:30:52.160 INFO [stderr] warning: unused import: `value_t`
Dec 19 05:30:52.160 INFO [stderr]  --> src/main.rs:5:34
Dec 19 05:30:52.160 INFO [stderr]   |
Dec 19 05:30:52.160 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, value_t};
Dec 19 05:30:52.161 INFO [stderr]   |                                  ^^^^^^^
Dec 19 05:30:52.161 INFO [stderr]   |
Dec 19 05:30:52.161 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:30:52.161 INFO [stderr] 
Dec 19 05:30:52.161 INFO [stderr] warning: unused import: `Path`
Dec 19 05:30:52.161 INFO [stderr]  --> src/main.rs:6:17
Dec 19 05:30:52.161 INFO [stderr]   |
Dec 19 05:30:52.161 INFO [stderr] 6 | use std::path::{Path, PathBuf};
Dec 19 05:30:52.161 INFO [stderr]   |                 ^^^^
Dec 19 05:30:52.161 INFO [stderr] 
Dec 19 05:30:52.173 INFO [stderr] warning: unused import: `value_t`
Dec 19 05:30:52.173 INFO [stderr]  --> src/main.rs:5:34
Dec 19 05:30:52.173 INFO [stderr]   |
Dec 19 05:30:52.173 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, value_t};
Dec 19 05:30:52.173 INFO [stderr]   |                                  ^^^^^^^
Dec 19 05:30:52.173 INFO [stderr]   |
Dec 19 05:30:52.173 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:30:52.173 INFO [stderr] 
Dec 19 05:30:52.173 INFO [stderr] warning: unused import: `Path`
Dec 19 05:30:52.173 INFO [stderr]  --> src/main.rs:6:17
Dec 19 05:30:52.173 INFO [stderr]   |
Dec 19 05:30:52.173 INFO [stderr] 6 | use std::path::{Path, PathBuf};
Dec 19 05:30:52.173 INFO [stderr]   |                 ^^^^
Dec 19 05:30:52.173 INFO [stderr] 
Dec 19 05:30:52.185 INFO [stderr] warning: unused variable: `sub_matches`
Dec 19 05:30:52.185 INFO [stderr]   --> src/main.rs:47:15
Dec 19 05:30:52.185 INFO [stderr]    |
Dec 19 05:30:52.185 INFO [stderr] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
Dec 19 05:30:52.185 INFO [stderr]    |               ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Dec 19 05:30:52.185 INFO [stderr]    |
Dec 19 05:30:52.185 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 05:30:52.185 INFO [stderr] 
Dec 19 05:30:52.198 INFO [stderr] warning: unused variable: `sub_matches`
Dec 19 05:30:52.198 INFO [stderr]   --> src/main.rs:47:15
Dec 19 05:30:52.198 INFO [stderr]    |
Dec 19 05:30:52.198 INFO [stderr] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
Dec 19 05:30:52.198 INFO [stderr]    |               ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Dec 19 05:30:52.198 INFO [stderr]    |
Dec 19 05:30:52.198 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 05:30:52.198 INFO [stderr] 
Dec 19 05:30:52.220 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Dec 19 05:30:52.448 INFO running `"docker" "inspect" "3fc9ecd0cadbbd3654b7f507e9ab6a7045efd8aac8ffc59b403271ccee7bba4d"`
Dec 19 05:30:52.507 INFO running `"docker" "rm" "-f" "3fc9ecd0cadbbd3654b7f507e9ab6a7045efd8aac8ffc59b403271ccee7bba4d"`
Dec 19 05:30:52.603 INFO [stdout] 3fc9ecd0cadbbd3654b7f507e9ab6a7045efd8aac8ffc59b403271ccee7bba4d