Dec 17 22:13:17.453 INFO checking jmatraszek/jrtr against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:13:17.453 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:13:17.829 INFO [stdout] a2e4f91dbe4493c356d5c1072ffad4e4ffa1211e19c36faefc4b96fa4335dba0
Dec 17 22:13:17.831 INFO running `"docker" "start" "-a" "a2e4f91dbe4493c356d5c1072ffad4e4ffa1211e19c36faefc4b96fa4335dba0"`
Dec 17 22:13:18.900 INFO [stderr]    Compiling syn v0.14.4
Dec 17 22:13:18.904 INFO [stderr]     Checking handlebars v0.32.4
Dec 17 22:13:25.709 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 17 22:13:28.323 INFO [stderr]     Checking structopt v0.2.10
Dec 17 22:13:28.674 INFO [stderr]     Checking jrtr v0.1.0 (/opt/crater/workdir)
Dec 17 22:13:29.181 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 22:13:29.181 INFO [stderr]  --> src/main.rs:3:1
Dec 17 22:13:29.181 INFO [stderr]   |
Dec 17 22:13:29.181 INFO [stderr] 3 | #[macro_use]
Dec 17 22:13:29.181 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 22:13:29.181 INFO [stderr]   |
Dec 17 22:13:29.181 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:13:29.181 INFO [stderr] 
Dec 17 22:13:29.232 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 22:13:29.232 INFO [stderr]  --> src/main.rs:3:1
Dec 17 22:13:29.232 INFO [stderr]   |
Dec 17 22:13:29.232 INFO [stderr] 3 | #[macro_use]
Dec 17 22:13:29.232 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 22:13:29.232 INFO [stderr]   |
Dec 17 22:13:29.232 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:13:29.232 INFO [stderr] 
Dec 17 22:13:29.272 INFO [stderr] warning: unused variable: `output`
Dec 17 22:13:29.272 INFO [stderr]   --> src/main.rs:35:14
Dec 17 22:13:29.272 INFO [stderr]    |
Dec 17 22:13:29.272 INFO [stderr] 35 |         Some(output) => {
Dec 17 22:13:29.272 INFO [stderr]    |              ^^^^^^ help: consider using `_output` instead
Dec 17 22:13:29.272 INFO [stderr]    |
Dec 17 22:13:29.272 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:13:29.272 INFO [stderr] 
Dec 17 22:13:29.317 INFO [stderr] warning: unused variable: `output`
Dec 17 22:13:29.317 INFO [stderr]   --> src/main.rs:35:14
Dec 17 22:13:29.317 INFO [stderr]    |
Dec 17 22:13:29.317 INFO [stderr] 35 |         Some(output) => {
Dec 17 22:13:29.317 INFO [stderr]    |              ^^^^^^ help: consider using `_output` instead
Dec 17 22:13:29.317 INFO [stderr]    |
Dec 17 22:13:29.317 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:13:29.317 INFO [stderr] 
Dec 17 22:13:29.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
Dec 17 22:13:29.940 INFO running `"docker" "inspect" "a2e4f91dbe4493c356d5c1072ffad4e4ffa1211e19c36faefc4b96fa4335dba0"`
Dec 17 22:13:30.148 INFO running `"docker" "rm" "-f" "a2e4f91dbe4493c356d5c1072ffad4e4ffa1211e19c36faefc4b96fa4335dba0"`
Dec 17 22:13:30.329 INFO [stdout] a2e4f91dbe4493c356d5c1072ffad4e4ffa1211e19c36faefc4b96fa4335dba0