Dec 19 13:12:14.447 INFO checking maniflames/time-frame-json-generator against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:12:14.447 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/maniflames/time-frame-json-generator:/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 13:12:15.016 INFO [stdout] 3aa7d2aa91ca02aa794d7d92bb7c897bd6618ab1e3ceb028e6783a271c321c15
Dec 19 13:12:15.020 INFO running `"docker" "start" "-a" "3aa7d2aa91ca02aa794d7d92bb7c897bd6618ab1e3ceb028e6783a271c321c15"`
Dec 19 13:12:16.320 INFO [stderr]     Checking timeframe v0.0.1 (/opt/crater/workdir)
Dec 19 13:12:16.612 INFO [stderr] warning: unused import: `self`
Dec 19 13:12:16.612 INFO [stderr]  --> src/main.rs:7:29
Dec 19 13:12:16.612 INFO [stderr]   |
Dec 19 13:12:16.612 INFO [stderr] 7 | use rustc_serialize::json::{self, Encoder};
Dec 19 13:12:16.612 INFO [stderr]   |                             ^^^^
Dec 19 13:12:16.612 INFO [stderr]   |
Dec 19 13:12:16.612 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:12:16.612 INFO [stderr] 
Dec 19 13:12:16.648 INFO [stderr] warning: unused import: `self`
Dec 19 13:12:16.648 INFO [stderr]  --> src/main.rs:7:29
Dec 19 13:12:16.648 INFO [stderr]   |
Dec 19 13:12:16.648 INFO [stderr] 7 | use rustc_serialize::json::{self, Encoder};
Dec 19 13:12:16.648 INFO [stderr]   |                             ^^^^
Dec 19 13:12:16.648 INFO [stderr]   |
Dec 19 13:12:16.648 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:12:16.648 INFO [stderr] 
Dec 19 13:12:16.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:12:16.926 INFO [stderr]   --> src/utils.rs:55:5
Dec 19 13:12:16.926 INFO [stderr]    |
Dec 19 13:12:16.926 INFO [stderr] 55 |     f.read_to_string(&mut json);
Dec 19 13:12:16.927 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:12:16.927 INFO [stderr]    |
Dec 19 13:12:16.927 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:12:16.927 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:12:16.927 INFO [stderr] 
Dec 19 13:12:16.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:12:16.944 INFO [stderr]   --> src/utils.rs:55:5
Dec 19 13:12:16.944 INFO [stderr]    |
Dec 19 13:12:16.944 INFO [stderr] 55 |     f.read_to_string(&mut json);
Dec 19 13:12:16.944 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:12:16.945 INFO [stderr]    |
Dec 19 13:12:16.945 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:12:16.945 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:12:16.945 INFO [stderr] 
Dec 19 13:12:17.020 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 19 13:12:17.908 INFO running `"docker" "inspect" "3aa7d2aa91ca02aa794d7d92bb7c897bd6618ab1e3ceb028e6783a271c321c15"`
Dec 19 13:12:18.214 INFO running `"docker" "rm" "-f" "3aa7d2aa91ca02aa794d7d92bb7c897bd6618ab1e3ceb028e6783a271c321c15"`
Dec 19 13:12:18.527 INFO [stdout] 3aa7d2aa91ca02aa794d7d92bb7c897bd6618ab1e3ceb028e6783a271c321c15