Dec 11 14:15:06.825 INFO checking maniflames/time-frame-json-generator against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:15:06.825 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 14:15:07.306 INFO [stdout] 8687aa4db93d88f09cd60f719c9cfa564d1d8307e0bda7f3f18c821654385e4c
Dec 11 14:15:07.308 INFO running `"docker" "start" "-a" "8687aa4db93d88f09cd60f719c9cfa564d1d8307e0bda7f3f18c821654385e4c"`
Dec 11 14:15:08.795 INFO [stderr] usermod: no changes
Dec 11 14:15:08.868 INFO [stderr]     Checking timeframe v0.0.1 (/source)
Dec 11 14:15:09.333 INFO [stderr] warning: unused import: `self`
Dec 11 14:15:09.333 INFO [stderr]  --> src/main.rs:7:29
Dec 11 14:15:09.333 INFO [stderr]   |
Dec 11 14:15:09.333 INFO [stderr] 7 | use rustc_serialize::json::{self, Encoder};
Dec 11 14:15:09.333 INFO [stderr]   |                             ^^^^
Dec 11 14:15:09.333 INFO [stderr]   |
Dec 11 14:15:09.333 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:15:09.333 INFO [stderr] 
Dec 11 14:15:09.508 INFO [stderr] warning: unused import: `self`
Dec 11 14:15:09.508 INFO [stderr]  --> src/main.rs:7:29
Dec 11 14:15:09.508 INFO [stderr]   |
Dec 11 14:15:09.508 INFO [stderr] 7 | use rustc_serialize::json::{self, Encoder};
Dec 11 14:15:09.508 INFO [stderr]   |                             ^^^^
Dec 11 14:15:09.508 INFO [stderr]   |
Dec 11 14:15:09.508 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:15:09.508 INFO [stderr] 
Dec 11 14:15:09.804 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:15:09.804 INFO [stderr]   --> src/utils.rs:55:5
Dec 11 14:15:09.804 INFO [stderr]    |
Dec 11 14:15:09.804 INFO [stderr] 55 |     f.read_to_string(&mut json);
Dec 11 14:15:09.804 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:15:09.804 INFO [stderr]    |
Dec 11 14:15:09.804 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:15:09.804 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:15:09.804 INFO [stderr] 
Dec 11 14:15:09.844 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:15:09.844 INFO [stderr]   --> src/utils.rs:55:5
Dec 11 14:15:09.844 INFO [stderr]    |
Dec 11 14:15:09.844 INFO [stderr] 55 |     f.read_to_string(&mut json);
Dec 11 14:15:09.844 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:15:09.844 INFO [stderr]    |
Dec 11 14:15:09.844 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:15:09.844 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:15:09.844 INFO [stderr] 
Dec 11 14:15:09.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 11 14:15:09.898 INFO [stderr] su: No module specific data is present
Dec 11 14:15:10.528 INFO running `"docker" "inspect" "8687aa4db93d88f09cd60f719c9cfa564d1d8307e0bda7f3f18c821654385e4c"`
Dec 11 14:15:10.768 INFO running `"docker" "rm" "-f" "8687aa4db93d88f09cd60f719c9cfa564d1d8307e0bda7f3f18c821654385e4c"`
Dec 11 14:15:11.100 INFO [stdout] 8687aa4db93d88f09cd60f719c9cfa564d1d8307e0bda7f3f18c821654385e4c