Dec 12 17:06:30.798 INFO checking cargo-inspect-0.4.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 17:06:30.798 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 17:06:31.060 INFO [stdout] 02f18c5ceb2312b7433d0bfd475750e0b550d143d04da022223d525eda73174f
Dec 12 17:06:31.062 INFO running `"docker" "start" "-a" "02f18c5ceb2312b7433d0bfd475750e0b550d143d04da022223d525eda73174f"`
Dec 12 17:06:31.550 INFO [stderr] usermod: no changes
Dec 12 17:06:31.816 INFO [stderr]     Checking structopt v0.2.14
Dec 12 17:06:31.819 INFO [stderr]     Checking prettyprint v0.2.0
Dec 12 17:06:39.115 INFO [stderr]     Checking cargo-inspect v0.4.0 (/source)
Dec 12 17:06:54.567 INFO [stderr] warning: unused variable: `x`
Dec 12 17:06:54.567 INFO [stderr]  --> examples/if_let.rs:2:17
Dec 12 17:06:54.567 INFO [stderr]   |
Dec 12 17:06:54.567 INFO [stderr] 2 |     if let Some(x) = Some(1) {
Dec 12 17:06:54.567 INFO [stderr]   |                 ^ help: consider using `_x` instead
Dec 12 17:06:54.567 INFO [stderr]   |
Dec 12 17:06:54.567 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 17:06:54.567 INFO [stderr] 
Dec 12 17:06:54.672 INFO [stderr] error[E0282]: type annotations needed
Dec 12 17:06:54.672 INFO [stderr]  --> examples/sum.rs:2:9
Dec 12 17:06:54.673 INFO [stderr]   |
Dec 12 17:06:54.673 INFO [stderr] 2 |     let mut sum;
Dec 12 17:06:54.673 INFO [stderr]   |         ^^^^^^^
Dec 12 17:06:54.673 INFO [stderr]   |         |
Dec 12 17:06:54.673 INFO [stderr]   |         cannot infer type
Dec 12 17:06:54.673 INFO [stderr]   |         consider giving `sum` a type
Dec 12 17:06:54.673 INFO [stderr] 
Dec 12 17:06:54.674 INFO [stderr] error: aborting due to previous error
Dec 12 17:06:54.674 INFO [stderr] 
Dec 12 17:06:54.675 INFO [stderr] For more information about this error, try `rustc --explain E0282`.
Dec 12 17:06:54.701 INFO [stderr] error: Could not compile `cargo-inspect`.
Dec 12 17:06:54.701 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 17:06:54.758 INFO [stderr] warning: unused variable: `file`
Dec 12 17:06:54.758 INFO [stderr]  --> examples/file.rs:5:9
Dec 12 17:06:54.758 INFO [stderr]   |
Dec 12 17:06:54.758 INFO [stderr] 5 |     let file = File::open("file.txt")?;
Dec 12 17:06:54.758 INFO [stderr]   |         ^^^^ help: consider using `_file` instead
Dec 12 17:06:54.758 INFO [stderr]   |
Dec 12 17:06:54.758 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 17:06:54.758 INFO [stderr] 
Dec 12 17:07:07.300 INFO [stderr] error: build failed
Dec 12 17:07:07.309 INFO [stderr] su: No module specific data is present
Dec 12 17:07:07.932 INFO running `"docker" "inspect" "02f18c5ceb2312b7433d0bfd475750e0b550d143d04da022223d525eda73174f"`
Dec 12 17:07:08.206 INFO running `"docker" "rm" "-f" "02f18c5ceb2312b7433d0bfd475750e0b550d143d04da022223d525eda73174f"`
Dec 12 17:07:08.484 INFO [stdout] 02f18c5ceb2312b7433d0bfd475750e0b550d143d04da022223d525eda73174f