Dec 17 22:13:16.420 INFO checking jmatraszek/jrtr against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:13:16.420 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jmatraszek/jrtr:/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 22:13:16.652 INFO [stdout] d7cc94f2306f4e40c310cf1abc74023d432b03c7fe08d4e84020eda284c29d05
Dec 17 22:13:16.654 INFO running `"docker" "start" "-a" "d7cc94f2306f4e40c310cf1abc74023d432b03c7fe08d4e84020eda284c29d05"`
Dec 17 22:13:17.676 INFO [stderr]    Compiling serde v1.0.69
Dec 17 22:13:17.678 INFO [stderr]    Compiling syn v0.14.4
Dec 17 22:13:24.776 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 17 22:13:27.692 INFO [stderr]     Checking structopt v0.2.10
Dec 17 22:13:30.273 INFO [stderr]     Checking serde_json v1.0.22
Dec 17 22:13:32.120 INFO [stderr]     Checking handlebars v0.32.4
Dec 17 22:13:33.969 INFO [stderr]     Checking jrtr v0.1.0 (/opt/crater/workdir)
Dec 17 22:13:34.383 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 22:13:34.383 INFO [stderr]  --> src/main.rs:3:1
Dec 17 22:13:34.383 INFO [stderr]   |
Dec 17 22:13:34.383 INFO [stderr] 3 | #[macro_use]
Dec 17 22:13:34.383 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 22:13:34.383 INFO [stderr]   |
Dec 17 22:13:34.383 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:13:34.383 INFO [stderr] 
Dec 17 22:13:34.406 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 22:13:34.406 INFO [stderr]  --> src/main.rs:3:1
Dec 17 22:13:34.406 INFO [stderr]   |
Dec 17 22:13:34.406 INFO [stderr] 3 | #[macro_use]
Dec 17 22:13:34.406 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 22:13:34.406 INFO [stderr]   |
Dec 17 22:13:34.406 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:13:34.406 INFO [stderr] 
Dec 17 22:13:34.447 INFO [stderr] warning: unused variable: `output`
Dec 17 22:13:34.447 INFO [stderr]   --> src/main.rs:35:14
Dec 17 22:13:34.447 INFO [stderr]    |
Dec 17 22:13:34.447 INFO [stderr] 35 |         Some(output) => {
Dec 17 22:13:34.447 INFO [stderr]    |              ^^^^^^ help: consider using `_output` instead
Dec 17 22:13:34.447 INFO [stderr]    |
Dec 17 22:13:34.447 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:13:34.447 INFO [stderr] 
Dec 17 22:13:34.465 INFO [stderr] warning: unused variable: `output`
Dec 17 22:13:34.465 INFO [stderr]   --> src/main.rs:35:14
Dec 17 22:13:34.465 INFO [stderr]    |
Dec 17 22:13:34.465 INFO [stderr] 35 |         Some(output) => {
Dec 17 22:13:34.465 INFO [stderr]    |              ^^^^^^ help: consider using `_output` instead
Dec 17 22:13:34.465 INFO [stderr]    |
Dec 17 22:13:34.465 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:13:34.465 INFO [stderr] 
Dec 17 22:13:34.485 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.90s
Dec 17 22:13:34.717 INFO running `"docker" "inspect" "d7cc94f2306f4e40c310cf1abc74023d432b03c7fe08d4e84020eda284c29d05"`
Dec 17 22:13:34.780 INFO running `"docker" "rm" "-f" "d7cc94f2306f4e40c310cf1abc74023d432b03c7fe08d4e84020eda284c29d05"`
Dec 17 22:13:34.860 INFO [stdout] d7cc94f2306f4e40c310cf1abc74023d432b03c7fe08d4e84020eda284c29d05