Dec 18 11:37:22.057 INFO checking s3-concat-1.0.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:37:22.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/s3-concat/1.0.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:37:22.498 INFO [stdout] 60b4e9dfa612f8ebda218b7b54e12e32b48602ff7c27c1030ce545698b575f64
Dec 18 11:37:22.500 INFO running `"docker" "start" "-a" "60b4e9dfa612f8ebda218b7b54e12e32b48602ff7c27c1030ce545698b575f64"`
Dec 18 11:37:25.000 INFO [stderr]     Checking quick-xml v0.12.4
Dec 18 11:37:25.001 INFO [stderr]     Checking hyper v0.12.18
Dec 18 11:37:31.015 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 18 11:37:31.017 INFO [stderr]     Checking rusoto_credential v0.14.0
Dec 18 11:37:34.172 INFO [stderr]     Checking rusoto_core v0.35.0
Dec 18 11:37:37.056 INFO [stderr]     Checking rusoto_s3 v0.35.0
Dec 18 11:37:47.818 INFO [stderr]     Checking s3-concat v1.0.0 (/opt/crater/workdir)
Dec 18 11:37:51.348 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
Dec 18 11:37:51.348 INFO [stderr]   --> src/main.rs:38:10
Dec 18 11:37:51.348 INFO [stderr]    |
Dec 18 11:37:51.348 INFO [stderr] 38 |         .trim_left_matches("s3://")
Dec 18 11:37:51.348 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^
Dec 18 11:37:51.348 INFO [stderr]    |
Dec 18 11:37:51.348 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 11:37:51.348 INFO [stderr] 
Dec 18 11:37:51.352 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 18 11:37:51.352 INFO [stderr]   --> src/main.rs:47:14
Dec 18 11:37:51.352 INFO [stderr]    |
Dec 18 11:37:51.352 INFO [stderr] 47 |             .trim_right_matches('/')
Dec 18 11:37:51.352 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^
Dec 18 11:37:51.352 INFO [stderr] 
Dec 18 11:37:51.871 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
Dec 18 11:37:51.871 INFO [stderr]   --> src/main.rs:38:10
Dec 18 11:37:51.871 INFO [stderr]    |
Dec 18 11:37:51.871 INFO [stderr] 38 |         .trim_left_matches("s3://")
Dec 18 11:37:51.872 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^
Dec 18 11:37:51.872 INFO [stderr]    |
Dec 18 11:37:51.872 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 11:37:51.872 INFO [stderr] 
Dec 18 11:37:51.880 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 18 11:37:51.880 INFO [stderr]   --> src/main.rs:47:14
Dec 18 11:37:51.880 INFO [stderr]    |
Dec 18 11:37:51.880 INFO [stderr] 47 |             .trim_right_matches('/')
Dec 18 11:37:51.880 INFO [stderr]    |              ^^^^^^^^^^^^^^^^^^
Dec 18 11:37:51.880 INFO [stderr] 
Dec 18 11:37:52.182 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.62s
Dec 18 11:37:52.918 INFO running `"docker" "inspect" "60b4e9dfa612f8ebda218b7b54e12e32b48602ff7c27c1030ce545698b575f64"`
Dec 18 11:37:53.264 INFO running `"docker" "rm" "-f" "60b4e9dfa612f8ebda218b7b54e12e32b48602ff7c27c1030ce545698b575f64"`
Dec 18 11:37:53.520 INFO [stdout] 60b4e9dfa612f8ebda218b7b54e12e32b48602ff7c27c1030ce545698b575f64