Dec 04 14:41:57.624 INFO checking maniflames/time-frame-json-generator against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 14:41:57.624 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 14:41:58.228 INFO [stdout] 72c076c173014eac085c8bea9abe20e0c2e395ab28970bf2512b322e281e0773
Dec 04 14:41:58.230 INFO running `"docker" "start" "-a" "72c076c173014eac085c8bea9abe20e0c2e395ab28970bf2512b322e281e0773"`
Dec 04 14:41:59.815 INFO [stderr] usermod: no changes
Dec 04 14:41:59.895 INFO [stderr]     Checking timeframe v0.0.1 (/source)
Dec 04 14:42:00.383 INFO [stderr] warning: unused import: `self`
Dec 04 14:42:00.383 INFO [stderr]  --> src/main.rs:7:29
Dec 04 14:42:00.383 INFO [stderr]   |
Dec 04 14:42:00.383 INFO [stderr] 7 | use rustc_serialize::json::{self, Encoder};
Dec 04 14:42:00.383 INFO [stderr]   |                             ^^^^
Dec 04 14:42:00.383 INFO [stderr]   |
Dec 04 14:42:00.383 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 14:42:00.383 INFO [stderr] 
Dec 04 14:42:00.503 INFO [stderr] warning: unused import: `self`
Dec 04 14:42:00.503 INFO [stderr]  --> src/main.rs:7:29
Dec 04 14:42:00.503 INFO [stderr]   |
Dec 04 14:42:00.503 INFO [stderr] 7 | use rustc_serialize::json::{self, Encoder};
Dec 04 14:42:00.503 INFO [stderr]   |                             ^^^^
Dec 04 14:42:00.503 INFO [stderr]   |
Dec 04 14:42:00.503 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 14:42:00.503 INFO [stderr] 
Dec 04 14:42:00.807 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:42:00.807 INFO [stderr]   --> src/utils.rs:55:5
Dec 04 14:42:00.807 INFO [stderr]    |
Dec 04 14:42:00.807 INFO [stderr] 55 |     f.read_to_string(&mut json);
Dec 04 14:42:00.807 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:42:00.807 INFO [stderr]    |
Dec 04 14:42:00.807 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 14:42:00.807 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:42:00.807 INFO [stderr] 
Dec 04 14:42:00.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:42:00.881 INFO [stderr]   --> src/utils.rs:55:5
Dec 04 14:42:00.881 INFO [stderr]    |
Dec 04 14:42:00.882 INFO [stderr] 55 |     f.read_to_string(&mut json);
Dec 04 14:42:00.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:42:00.884 INFO [stderr]    |
Dec 04 14:42:00.884 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 14:42:00.884 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:42:00.884 INFO [stderr] 
Dec 04 14:42:00.916 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 04 14:42:00.919 INFO [stderr] su: No module specific data is present
Dec 04 14:42:01.859 INFO running `"docker" "inspect" "72c076c173014eac085c8bea9abe20e0c2e395ab28970bf2512b322e281e0773"`
Dec 04 14:42:02.161 INFO running `"docker" "rm" "-f" "72c076c173014eac085c8bea9abe20e0c2e395ab28970bf2512b322e281e0773"`
Dec 04 14:42:02.498 INFO [stdout] 72c076c173014eac085c8bea9abe20e0c2e395ab28970bf2512b322e281e0773