Dec 17 20:13:29.216 INFO checking manfredlotz/jsonlint against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:13:29.216 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/manfredlotz/jsonlint:/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 20:13:29.684 INFO [stdout] ef5bb677fe365335f65acd247f8d7a20304738a4e6e11231989689cbfc07fede
Dec 17 20:13:29.686 INFO running `"docker" "start" "-a" "ef5bb677fe365335f65acd247f8d7a20304738a4e6e11231989689cbfc07fede"`
Dec 17 20:13:31.252 INFO [stderr]    Compiling syn v0.14.9
Dec 17 20:13:40.229 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 17 20:13:43.671 INFO [stderr]     Checking structopt v0.2.10
Dec 17 20:13:44.023 INFO [stderr]     Checking jsonlint v0.1.0 (/opt/crater/workdir)
Dec 17 20:13:44.492 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 20:13:44.493 INFO [stderr]  --> src/main.rs:1:1
Dec 17 20:13:44.493 INFO [stderr]   |
Dec 17 20:13:44.493 INFO [stderr] 1 | #[macro_use]
Dec 17 20:13:44.493 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 20:13:44.494 INFO [stderr]   |
Dec 17 20:13:44.494 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:13:44.494 INFO [stderr] 
Dec 17 20:13:44.528 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 20:13:44.529 INFO [stderr]  --> src/main.rs:1:1
Dec 17 20:13:44.529 INFO [stderr]   |
Dec 17 20:13:44.529 INFO [stderr] 1 | #[macro_use]
Dec 17 20:13:44.529 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 20:13:44.530 INFO [stderr]   |
Dec 17 20:13:44.530 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:13:44.530 INFO [stderr] 
Dec 17 20:13:44.705 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.54s
Dec 17 20:13:46.176 INFO running `"docker" "inspect" "ef5bb677fe365335f65acd247f8d7a20304738a4e6e11231989689cbfc07fede"`
Dec 17 20:13:46.418 INFO running `"docker" "rm" "-f" "ef5bb677fe365335f65acd247f8d7a20304738a4e6e11231989689cbfc07fede"`
Dec 17 20:13:46.708 INFO [stdout] ef5bb677fe365335f65acd247f8d7a20304738a4e6e11231989689cbfc07fede