Nov 29 14:57:27.161 INFO checking wisechengyi/rust_tar_repro against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 14:57:27.161 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 14:57:27.588 INFO [stdout] 455276800df8d7424bf661b289fedaa801c28748d2295b0e7a0fa6052e70f9dc
Nov 29 14:57:27.594 INFO running `"docker" "start" "-a" "455276800df8d7424bf661b289fedaa801c28748d2295b0e7a0fa6052e70f9dc"`
Nov 29 14:57:28.497 INFO [stderr] usermod: no changes
Nov 29 14:57:28.576 INFO [stderr]     Checking xattr v0.2.2
Nov 29 14:57:28.593 INFO [stderr]     Checking filetime v0.2.3
Nov 29 14:57:28.604 INFO [stderr]     Checking flate2 v1.0.4
Nov 29 14:57:29.182 INFO [stderr]     Checking tar v0.4.19
Nov 29 14:57:30.363 INFO [stderr]     Checking tar_api v0.0.1 (/source)
Nov 29 14:57:30.514 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:57:30.514 INFO [stderr]   --> src/tar_api.rs:29:3
Nov 29 14:57:30.514 INFO [stderr]    |
Nov 29 14:57:30.514 INFO [stderr] 29 |   tar.finish();
Nov 29 14:57:30.514 INFO [stderr]    |   ^^^^^^^^^^^^^
Nov 29 14:57:30.514 INFO [stderr]    |
Nov 29 14:57:30.514 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 14:57:30.514 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:57:30.514 INFO [stderr] 
Nov 29 14:57:30.561 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:57:30.561 INFO [stderr]   --> src/tar_api.rs:29:3
Nov 29 14:57:30.561 INFO [stderr]    |
Nov 29 14:57:30.561 INFO [stderr] 29 |   tar.finish();
Nov 29 14:57:30.561 INFO [stderr]    |   ^^^^^^^^^^^^^
Nov 29 14:57:30.561 INFO [stderr]    |
Nov 29 14:57:30.561 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 14:57:30.561 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:57:30.561 INFO [stderr] 
Nov 29 14:57:30.708 INFO [stderr] warning: unused import: `value_t`
Nov 29 14:57:30.708 INFO [stderr]  --> src/main.rs:5:34
Nov 29 14:57:30.708 INFO [stderr]   |
Nov 29 14:57:30.708 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, value_t};
Nov 29 14:57:30.708 INFO [stderr]   |                                  ^^^^^^^
Nov 29 14:57:30.708 INFO [stderr]   |
Nov 29 14:57:30.708 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 14:57:30.708 INFO [stderr] 
Nov 29 14:57:30.708 INFO [stderr] warning: unused import: `Path`
Nov 29 14:57:30.708 INFO [stderr]  --> src/main.rs:6:17
Nov 29 14:57:30.708 INFO [stderr]   |
Nov 29 14:57:30.708 INFO [stderr] 6 | use std::path::{Path, PathBuf};
Nov 29 14:57:30.708 INFO [stderr]   |                 ^^^^
Nov 29 14:57:30.708 INFO [stderr] 
Nov 29 14:57:30.736 INFO [stderr] warning: unused import: `value_t`
Nov 29 14:57:30.736 INFO [stderr]  --> src/main.rs:5:34
Nov 29 14:57:30.736 INFO [stderr]   |
Nov 29 14:57:30.736 INFO [stderr] 5 | use clap::{App, Arg, SubCommand, value_t};
Nov 29 14:57:30.736 INFO [stderr]   |                                  ^^^^^^^
Nov 29 14:57:30.736 INFO [stderr]   |
Nov 29 14:57:30.736 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 14:57:30.736 INFO [stderr] 
Nov 29 14:57:30.736 INFO [stderr] warning: unused import: `Path`
Nov 29 14:57:30.736 INFO [stderr]  --> src/main.rs:6:17
Nov 29 14:57:30.736 INFO [stderr]   |
Nov 29 14:57:30.736 INFO [stderr] 6 | use std::path::{Path, PathBuf};
Nov 29 14:57:30.736 INFO [stderr]   |                 ^^^^
Nov 29 14:57:30.736 INFO [stderr] 
Nov 29 14:57:30.745 INFO [stderr] warning: unused variable: `sub_matches`
Nov 29 14:57:30.745 INFO [stderr]   --> src/main.rs:47:15
Nov 29 14:57:30.745 INFO [stderr]    |
Nov 29 14:57:30.745 INFO [stderr] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
Nov 29 14:57:30.745 INFO [stderr]    |               ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 29 14:57:30.745 INFO [stderr]    |
Nov 29 14:57:30.745 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:57:30.745 INFO [stderr] 
Nov 29 14:57:30.767 INFO [stderr] warning: unused variable: `sub_matches`
Nov 29 14:57:30.767 INFO [stderr]   --> src/main.rs:47:15
Nov 29 14:57:30.767 INFO [stderr]    |
Nov 29 14:57:30.767 INFO [stderr] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
Nov 29 14:57:30.767 INFO [stderr]    |               ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 29 14:57:30.767 INFO [stderr]    |
Nov 29 14:57:30.768 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:57:30.768 INFO [stderr] 
Nov 29 14:57:30.781 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
Nov 29 14:57:30.785 INFO [stderr] su: No module specific data is present
Nov 29 14:57:31.086 INFO running `"docker" "inspect" "455276800df8d7424bf661b289fedaa801c28748d2295b0e7a0fa6052e70f9dc"`
Nov 29 14:57:31.228 INFO running `"docker" "rm" "-f" "455276800df8d7424bf661b289fedaa801c28748d2295b0e7a0fa6052e70f9dc"`
Nov 29 14:57:31.392 INFO [stdout] 455276800df8d7424bf661b289fedaa801c28748d2295b0e7a0fa6052e70f9dc