Dec 19 15:05:15.272 INFO checking jmatraszek/jrtr against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:05:15.272 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:05:15.442 INFO [stdout] 830c4a01f8b218b07fda3a415884d402dd3c1f234f20becc37747b7745e43a3e
Dec 19 15:05:15.444 INFO running `"docker" "start" "-a" "830c4a01f8b218b07fda3a415884d402dd3c1f234f20becc37747b7745e43a3e"`
Dec 19 15:05:16.605 INFO [stderr]    Compiling syn v0.14.4
Dec 19 15:05:16.605 INFO [stderr]    Compiling pest_derive v1.0.7
Dec 19 15:05:21.826 INFO [stderr]     Checking handlebars v0.32.4
Dec 19 15:05:22.913 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 19 15:05:25.458 INFO [stderr]     Checking structopt v0.2.10
Dec 19 15:05:25.661 INFO [stderr]     Checking jrtr v0.1.0 (/opt/crater/workdir)
Dec 19 15:05:26.200 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 15:05:26.200 INFO [stderr]  --> src/main.rs:3:1
Dec 19 15:05:26.200 INFO [stderr]   |
Dec 19 15:05:26.200 INFO [stderr] 3 | #[macro_use]
Dec 19 15:05:26.200 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 15:05:26.200 INFO [stderr]   |
Dec 19 15:05:26.200 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:05:26.200 INFO [stderr] 
Dec 19 15:05:26.220 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 15:05:26.220 INFO [stderr]  --> src/main.rs:3:1
Dec 19 15:05:26.220 INFO [stderr]   |
Dec 19 15:05:26.220 INFO [stderr] 3 | #[macro_use]
Dec 19 15:05:26.220 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 15:05:26.220 INFO [stderr]   |
Dec 19 15:05:26.220 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:05:26.220 INFO [stderr] 
Dec 19 15:05:26.260 INFO [stderr] warning: unused variable: `output`
Dec 19 15:05:26.260 INFO [stderr]   --> src/main.rs:35:14
Dec 19 15:05:26.260 INFO [stderr]    |
Dec 19 15:05:26.260 INFO [stderr] 35 |         Some(output) => {
Dec 19 15:05:26.260 INFO [stderr]    |              ^^^^^^ help: consider using `_output` instead
Dec 19 15:05:26.260 INFO [stderr]    |
Dec 19 15:05:26.260 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:05:26.260 INFO [stderr] 
Dec 19 15:05:26.289 INFO [stderr] warning: unused variable: `output`
Dec 19 15:05:26.290 INFO [stderr]   --> src/main.rs:35:14
Dec 19 15:05:26.290 INFO [stderr]    |
Dec 19 15:05:26.290 INFO [stderr] 35 |         Some(output) => {
Dec 19 15:05:26.290 INFO [stderr]    |              ^^^^^^ help: consider using `_output` instead
Dec 19 15:05:26.290 INFO [stderr]    |
Dec 19 15:05:26.290 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:05:26.290 INFO [stderr] 
Dec 19 15:05:26.321 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.81s
Dec 19 15:05:26.726 INFO running `"docker" "inspect" "830c4a01f8b218b07fda3a415884d402dd3c1f234f20becc37747b7745e43a3e"`
Dec 19 15:05:26.951 INFO running `"docker" "rm" "-f" "830c4a01f8b218b07fda3a415884d402dd3c1f234f20becc37747b7745e43a3e"`
Dec 19 15:05:27.172 INFO [stdout] 830c4a01f8b218b07fda3a415884d402dd3c1f234f20becc37747b7745e43a3e