Dec 17 18:09:42.808 INFO checking panoptix-za/tag-helper against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:09:42.808 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/panoptix-za/tag-helper:/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 18:09:43.300 INFO [stdout] e2896cf446d6b96ea328f0827b986c0e4c661d4599dfa435fcaa8e3a137b0c20
Dec 17 18:09:43.302 INFO running `"docker" "start" "-a" "e2896cf446d6b96ea328f0827b986c0e4c661d4599dfa435fcaa8e3a137b0c20"`
Dec 17 18:09:44.956 INFO [stderr]    Compiling syn v0.14.4
Dec 17 18:09:51.152 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 17 18:09:54.057 INFO [stderr]     Checking structopt v0.2.10
Dec 17 18:09:54.425 INFO [stderr]     Checking tag-helper v0.3.1 (/opt/crater/workdir)
Dec 17 18:09:54.955 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 18:09:54.956 INFO [stderr]  --> src/main.rs:3:1
Dec 17 18:09:54.956 INFO [stderr]   |
Dec 17 18:09:54.956 INFO [stderr] 3 | #[macro_use]
Dec 17 18:09:54.957 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 18:09:54.957 INFO [stderr]   |
Dec 17 18:09:54.958 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:09:54.958 INFO [stderr] 
Dec 17 18:09:55.014 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
Dec 17 18:09:55.014 INFO [stderr]   --> src/main.rs:22:31
Dec 17 18:09:55.015 INFO [stderr]    |
Dec 17 18:09:55.015 INFO [stderr] 22 |                 let tag = tag.trim_left_matches('v');
Dec 17 18:09:55.015 INFO [stderr]    |                               ^^^^^^^^^^^^^^^^^
Dec 17 18:09:55.016 INFO [stderr]    |
Dec 17 18:09:55.016 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 18:09:55.016 INFO [stderr] 
Dec 17 18:09:55.062 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 18:09:55.062 INFO [stderr]  --> src/main.rs:3:1
Dec 17 18:09:55.063 INFO [stderr]   |
Dec 17 18:09:55.063 INFO [stderr] 3 | #[macro_use]
Dec 17 18:09:55.063 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 18:09:55.063 INFO [stderr]   |
Dec 17 18:09:55.063 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:09:55.063 INFO [stderr] 
Dec 17 18:09:55.155 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
Dec 17 18:09:55.155 INFO [stderr]   --> src/main.rs:22:31
Dec 17 18:09:55.155 INFO [stderr]    |
Dec 17 18:09:55.155 INFO [stderr] 22 |                 let tag = tag.trim_left_matches('v');
Dec 17 18:09:55.155 INFO [stderr]    |                               ^^^^^^^^^^^^^^^^^
Dec 17 18:09:55.155 INFO [stderr]    |
Dec 17 18:09:55.160 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 18:09:55.160 INFO [stderr] 
Dec 17 18:09:55.273 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.49s
Dec 17 18:09:56.496 INFO running `"docker" "inspect" "e2896cf446d6b96ea328f0827b986c0e4c661d4599dfa435fcaa8e3a137b0c20"`
Dec 17 18:09:56.732 INFO running `"docker" "rm" "-f" "e2896cf446d6b96ea328f0827b986c0e4c661d4599dfa435fcaa8e3a137b0c20"`
Dec 17 18:09:57.024 INFO [stdout] e2896cf446d6b96ea328f0827b986c0e4c661d4599dfa435fcaa8e3a137b0c20