Dec 19 05:30:49.009 INFO checking wisechengyi/rust_tar_repro against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:30:49.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:30:49.336 INFO [stdout] 85876c677e21c7907a1676ccb5b97134d78eb6ed516d5e76b73844487477367b
Dec 19 05:30:49.340 INFO running `"docker" "start" "-a" "85876c677e21c7907a1676ccb5b97134d78eb6ed516d5e76b73844487477367b"`
Dec 19 05:30:50.462 INFO [stderr]     Checking xattr v0.2.2
Dec 19 05:30:50.463 INFO [stderr]     Checking filetime v0.2.3
Dec 19 05:30:50.463 INFO [stderr]    Compiling miniz-sys v0.1.11
Dec 19 05:30:50.728 INFO [stderr]     Checking tar v0.4.19
Dec 19 05:30:51.017 INFO [stderr]     Checking flate2 v1.0.4
Dec 19 05:30:51.838 INFO [stderr]     Checking tar_api v0.0.1 (/opt/crater/workdir)
Dec 19 05:30:51.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:30:51.941 INFO [stderr]   --> src/tar_api.rs:29:3
Dec 19 05:30:51.941 INFO [stderr]    |
Dec 19 05:30:51.941 INFO [stderr] 29 |   tar.finish();
Dec 19 05:30:51.941 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 19 05:30:51.941 INFO [stderr]    |
Dec 19 05:30:51.941 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 05:30:51.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:30:51.941 INFO [stderr] 
Dec 19 05:30:51.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 05:30:51.964 INFO [stderr]   --> src/tar_api.rs:29:3
Dec 19 05:30:51.964 INFO [stderr]    |
Dec 19 05:30:51.964 INFO [stderr] 29 |   tar.finish();
Dec 19 05:30:51.964 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 19 05:30:51.964 INFO [stderr]    |
Dec 19 05:30:51.964 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 05:30:51.964 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 05:30:51.965 INFO [stderr] 
Dec 19 05:30:52.045 INFO [stderr] warning: unused import: `value_t`
Dec 19 05:30:52.045 INFO [stderr]  --> src/main.rs:5:34
Dec 19 05:30:52.045 INFO [stderr]   |
Dec 19 05:30:52.045 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, value_t};
Dec 19 05:30:52.045 INFO [stderr]   |                                  ^^^^^^^
Dec 19 05:30:52.045 INFO [stderr]   |
Dec 19 05:30:52.045 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:30:52.045 INFO [stderr] 
Dec 19 05:30:52.045 INFO [stderr] warning: unused import: `Path`
Dec 19 05:30:52.045 INFO [stderr]  --> src/main.rs:6:17
Dec 19 05:30:52.045 INFO [stderr]   |
Dec 19 05:30:52.045 INFO [stderr] 6 | use std::path::{Path, PathBuf};
Dec 19 05:30:52.045 INFO [stderr]   |                 ^^^^
Dec 19 05:30:52.045 INFO [stderr] 
Dec 19 05:30:52.047 INFO [stderr] warning: unused import: `value_t`
Dec 19 05:30:52.047 INFO [stderr]  --> src/main.rs:5:34
Dec 19 05:30:52.047 INFO [stderr]   |
Dec 19 05:30:52.047 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, value_t};
Dec 19 05:30:52.047 INFO [stderr]   |                                  ^^^^^^^
Dec 19 05:30:52.047 INFO [stderr]   |
Dec 19 05:30:52.047 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:30:52.047 INFO [stderr] 
Dec 19 05:30:52.047 INFO [stderr] warning: unused import: `Path`
Dec 19 05:30:52.047 INFO [stderr]  --> src/main.rs:6:17
Dec 19 05:30:52.047 INFO [stderr]   |
Dec 19 05:30:52.047 INFO [stderr] 6 | use std::path::{Path, PathBuf};
Dec 19 05:30:52.047 INFO [stderr]   |                 ^^^^
Dec 19 05:30:52.047 INFO [stderr] 
Dec 19 05:30:52.076 INFO [stderr] warning: unused variable: `sub_matches`
Dec 19 05:30:52.076 INFO [stderr]   --> src/main.rs:47:15
Dec 19 05:30:52.076 INFO [stderr]    |
Dec 19 05:30:52.076 INFO [stderr] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
Dec 19 05:30:52.076 INFO [stderr]    |               ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Dec 19 05:30:52.076 INFO [stderr]    |
Dec 19 05:30:52.076 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 05:30:52.076 INFO [stderr] 
Dec 19 05:30:52.118 INFO [stderr] warning: unused variable: `sub_matches`
Dec 19 05:30:52.118 INFO [stderr]   --> src/main.rs:47:15
Dec 19 05:30:52.118 INFO [stderr]    |
Dec 19 05:30:52.118 INFO [stderr] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
Dec 19 05:30:52.118 INFO [stderr]    |               ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Dec 19 05:30:52.118 INFO [stderr]    |
Dec 19 05:30:52.118 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 05:30:52.119 INFO [stderr] 
Dec 19 05:30:52.119 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
Dec 19 05:30:52.385 INFO running `"docker" "inspect" "85876c677e21c7907a1676ccb5b97134d78eb6ed516d5e76b73844487477367b"`
Dec 19 05:30:52.507 INFO running `"docker" "rm" "-f" "85876c677e21c7907a1676ccb5b97134d78eb6ed516d5e76b73844487477367b"`
Dec 19 05:30:52.597 INFO [stdout] 85876c677e21c7907a1676ccb5b97134d78eb6ed516d5e76b73844487477367b