Dec 19 10:18:38.625 INFO checking remexre/cbor2json against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:18:38.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/remexre/cbor2json:/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 10:18:39.310 INFO [stdout] 1faf8c1dcb601118186bbe87bb9bb3e41224a4e350f61ef2c64dfa4182163dd4
Dec 19 10:18:39.312 INFO running `"docker" "start" "-a" "1faf8c1dcb601118186bbe87bb9bb3e41224a4e350f61ef2c64dfa4182163dd4"`
Dec 19 10:18:41.955 INFO [stderr]    Compiling proc-macro2 v0.4.8
Dec 19 10:18:41.955 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 19 10:18:41.965 INFO [stderr]     Checking backtrace v0.3.9
Dec 19 10:18:43.017 INFO [stderr]     Checking failure v0.1.1
Dec 19 10:18:45.320 INFO [stderr]    Compiling quote v0.6.3
Dec 19 10:18:45.934 INFO [stderr]    Compiling syn v0.14.4
Dec 19 10:18:51.747 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 19 10:18:54.291 INFO [stderr]     Checking structopt v0.2.10
Dec 19 10:18:54.508 INFO [stderr]     Checking cbor2json v0.1.0 (/opt/crater/workdir)
Dec 19 10:18:54.900 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 10:18:54.900 INFO [stderr]  --> src/main.rs:4:1
Dec 19 10:18:54.900 INFO [stderr]   |
Dec 19 10:18:54.900 INFO [stderr] 4 | #[macro_use]
Dec 19 10:18:54.900 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 10:18:54.900 INFO [stderr]   |
Dec 19 10:18:54.900 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:18:54.900 INFO [stderr] 
Dec 19 10:18:54.918 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 10:18:54.918 INFO [stderr]  --> src/main.rs:4:1
Dec 19 10:18:54.918 INFO [stderr]   |
Dec 19 10:18:54.918 INFO [stderr] 4 | #[macro_use]
Dec 19 10:18:54.918 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 10:18:54.918 INFO [stderr]   |
Dec 19 10:18:54.918 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:18:54.918 INFO [stderr] 
Dec 19 10:18:55.063 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.20s
Dec 19 10:18:55.766 INFO running `"docker" "inspect" "1faf8c1dcb601118186bbe87bb9bb3e41224a4e350f61ef2c64dfa4182163dd4"`
Dec 19 10:18:56.028 INFO running `"docker" "rm" "-f" "1faf8c1dcb601118186bbe87bb9bb3e41224a4e350f61ef2c64dfa4182163dd4"`
Dec 19 10:18:56.352 INFO [stdout] 1faf8c1dcb601118186bbe87bb9bb3e41224a4e350f61ef2c64dfa4182163dd4