Dec 18 02:08:08.673 INFO checking cramertj/link-error-repro against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 02:08:08.673 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/cramertj/link-error-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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:08:09.164 INFO [stdout] 031f976d423b32316abfa1277524a16ea73f70765925ffb7ff7fcc2276d53ed3
Dec 18 02:08:09.167 INFO running `"docker" "start" "-a" "031f976d423b32316abfa1277524a16ea73f70765925ffb7ff7fcc2276d53ed3"`
Dec 18 02:08:11.352 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 18 02:08:11.428 INFO [stderr]     Checking clap v2.31.2
Dec 18 02:08:16.052 INFO [stderr]     Checking structopt v0.2.8
Dec 18 02:08:16.474 INFO [stderr]     Checking rolldice v0.1.0 (/opt/crater/workdir)
Dec 18 02:08:17.517 INFO [stderr] warning: unused imports: `Rng`, `thread_rng`
Dec 18 02:08:17.517 INFO [stderr]  --> src/main.rs:5:12
Dec 18 02:08:17.517 INFO [stderr]   |
Dec 18 02:08:17.517 INFO [stderr] 5 | use rand::{thread_rng, Rng};
Dec 18 02:08:17.517 INFO [stderr]   |            ^^^^^^^^^^  ^^^
Dec 18 02:08:17.517 INFO [stderr]   |
Dec 18 02:08:17.517 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:08:17.517 INFO [stderr] 
Dec 18 02:08:17.558 INFO [stderr] warning: unused imports: `Rng`, `thread_rng`
Dec 18 02:08:17.558 INFO [stderr]  --> src/main.rs:5:12
Dec 18 02:08:17.558 INFO [stderr]   |
Dec 18 02:08:17.558 INFO [stderr] 5 | use rand::{thread_rng, Rng};
Dec 18 02:08:17.558 INFO [stderr]   |            ^^^^^^^^^^  ^^^
Dec 18 02:08:17.558 INFO [stderr]   |
Dec 18 02:08:17.558 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:08:17.558 INFO [stderr] 
Dec 18 02:08:17.570 INFO [stderr] warning: unused variable: `config`
Dec 18 02:08:17.570 INFO [stderr]   --> src/main.rs:19:9
Dec 18 02:08:17.570 INFO [stderr]    |
Dec 18 02:08:17.570 INFO [stderr] 19 |     let config = Config::from_args();
Dec 18 02:08:17.570 INFO [stderr]    |         ^^^^^^ help: consider using `_config` instead
Dec 18 02:08:17.576 INFO [stderr]    |
Dec 18 02:08:17.576 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:08:17.576 INFO [stderr] 
Dec 18 02:08:17.629 INFO [stderr] warning: unused variable: `config`
Dec 18 02:08:17.629 INFO [stderr]   --> src/main.rs:19:9
Dec 18 02:08:17.629 INFO [stderr]    |
Dec 18 02:08:17.629 INFO [stderr] 19 |     let config = Config::from_args();
Dec 18 02:08:17.629 INFO [stderr]    |         ^^^^^^ help: consider using `_config` instead
Dec 18 02:08:17.629 INFO [stderr]    |
Dec 18 02:08:17.629 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:08:17.629 INFO [stderr] 
Dec 18 02:08:17.682 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.35s
Dec 18 02:08:18.898 INFO running `"docker" "inspect" "031f976d423b32316abfa1277524a16ea73f70765925ffb7ff7fcc2276d53ed3"`
Dec 18 02:08:19.342 INFO running `"docker" "rm" "-f" "031f976d423b32316abfa1277524a16ea73f70765925ffb7ff7fcc2276d53ed3"`
Dec 18 02:08:19.692 INFO [stdout] 031f976d423b32316abfa1277524a16ea73f70765925ffb7ff7fcc2276d53ed3