[INFO] crate tar 0.4.22 is already in cache
[INFO] extracting crate tar 0.4.22 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/tar/0.4.22
[INFO] extracting crate tar 0.4.22 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/tar/0.4.22
[INFO] validating manifest of tar-0.4.22 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tar-0.4.22 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tar-0.4.22
[INFO] finished frobbing tar-0.4.22
[INFO] frobbed toml for tar-0.4.22 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/tar/0.4.22/Cargo.toml
[INFO] started frobbing tar-0.4.22
[INFO] finished frobbing tar-0.4.22
[INFO] frobbed toml for tar-0.4.22 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/tar/0.4.22/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tar-0.4.22 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/tar/0.4.22:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 50ad4f9376aeb697f6abb7f2983897d1cc59105685fe0eb33c1e54c2c9e993ed
[INFO] running `"docker" "start" "-a" "50ad4f9376aeb697f6abb7f2983897d1cc59105685fe0eb33c1e54c2c9e993ed"`
[INFO] [stderr]     Checking tar v0.4.22 (/opt/crater/workdir)
[INFO] [stderr] error: the item `xattr` is imported redundantly
[INFO] [stderr]    --> src/entry.rs:602:17
[INFO] [stderr]     |
[INFO] [stderr] 602 |             use xattr;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:30:1
[INFO] [stderr]     |
[INFO] [stderr] 30  | extern crate xattr;
[INFO] [stderr]     | ------------------- the item `xattr` is already imported here
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:22:24
[INFO] [stderr]     |
[INFO] [stderr] 22  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: #[deny(unused_imports)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/header.rs:753:17
[INFO] [stderr]     |
[INFO] [stderr] 753 |             use libc;
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:26:1
[INFO] [stderr]     |
[INFO] [stderr] 26  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `xattr` is imported redundantly
[INFO] [stderr]    --> src/entry.rs:602:17
[INFO] [stderr]     |
[INFO] [stderr] 602 |             use xattr;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:30:1
[INFO] [stderr]     |
[INFO] [stderr] 30  | extern crate xattr;
[INFO] [stderr]     | ------------------- the item `xattr` is already imported here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/header.rs:753:17
[INFO] [stderr]     |
[INFO] [stderr] 753 |             use libc;
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:26:1
[INFO] [stderr]     |
[INFO] [stderr] 26  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tar`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/builder.rs:436:13
[INFO] [stderr]     |
[INFO] [stderr] 436 |         let mut header2 = prepare_header(data.len() as u64, b'L');
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/builder.rs:455:13
[INFO] [stderr]     |
[INFO] [stderr] 455 |         let mut header2 = prepare_header(data.len() as u64, b'K');
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "50ad4f9376aeb697f6abb7f2983897d1cc59105685fe0eb33c1e54c2c9e993ed"`
[INFO] running `"docker" "rm" "-f" "50ad4f9376aeb697f6abb7f2983897d1cc59105685fe0eb33c1e54c2c9e993ed"`
[INFO] [stdout] 50ad4f9376aeb697f6abb7f2983897d1cc59105685fe0eb33c1e54c2c9e993ed