Oct 12 17:57:12.167 INFO checking maniflames/time-frame-json-generator against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:57:12.169 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:57:12.500 INFO blam! 07d49f07f9941b69dca1d6ac5e326a997c831e20355198eb97f078e4179c28fc
Oct 12 17:57:12.502 INFO running `"docker" "start" "-a" "07d49f07f9941b69dca1d6ac5e326a997c831e20355198eb97f078e4179c28fc"`
Oct 12 17:57:13.588 INFO kablam! usermod: no changes
Oct 12 17:57:13.686 INFO kablam!     Checking timeframe v0.0.1 (/source)
Oct 12 17:57:14.272 INFO kablam! warning: unused import: `self`
Oct 12 17:57:14.272 INFO kablam!  --> src/main.rs:7:29
Oct 12 17:57:14.272 INFO kablam!   |
Oct 12 17:57:14.272 INFO kablam! 7 | use rustc_serialize::json::{self, Encoder};
Oct 12 17:57:14.272 INFO kablam!   |                             ^^^^
Oct 12 17:57:14.272 INFO kablam!   |
Oct 12 17:57:14.272 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:57:14.272 INFO kablam! 
Oct 12 17:57:14.356 INFO kablam! warning: unused import: `self`
Oct 12 17:57:14.356 INFO kablam!  --> src/main.rs:7:29
Oct 12 17:57:14.356 INFO kablam!   |
Oct 12 17:57:14.356 INFO kablam! 7 | use rustc_serialize::json::{self, Encoder};
Oct 12 17:57:14.356 INFO kablam!   |                             ^^^^
Oct 12 17:57:14.356 INFO kablam!   |
Oct 12 17:57:14.356 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:57:14.356 INFO kablam! 
Oct 12 17:57:14.636 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:57:14.636 INFO kablam!   --> src/utils.rs:55:5
Oct 12 17:57:14.636 INFO kablam!    |
Oct 12 17:57:14.636 INFO kablam! 55 |     f.read_to_string(&mut json);
Oct 12 17:57:14.636 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:57:14.636 INFO kablam!    |
Oct 12 17:57:14.636 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 17:57:14.636 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:57:14.636 INFO kablam! 
Oct 12 17:57:14.796 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:57:14.796 INFO kablam!   --> src/utils.rs:55:5
Oct 12 17:57:14.796 INFO kablam!    |
Oct 12 17:57:14.796 INFO kablam! 55 |     f.read_to_string(&mut json);
Oct 12 17:57:14.796 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:57:14.796 INFO kablam!    |
Oct 12 17:57:14.796 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 17:57:14.796 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:57:14.796 INFO kablam! 
Oct 12 17:57:14.831 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Oct 12 17:57:14.835 INFO kablam! su: No module specific data is present
Oct 12 17:57:15.760 INFO running `"docker" "rm" "-f" "07d49f07f9941b69dca1d6ac5e326a997c831e20355198eb97f078e4179c28fc"`
Oct 12 17:57:16.001 INFO blam! 07d49f07f9941b69dca1d6ac5e326a997c831e20355198eb97f078e4179c28fc