Nov 09 10:28:35.288 INFO checking kevlarr/rusty-calc against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 10:28:35.288 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-2/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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"`
Nov 09 10:28:35.727 INFO blam! bee8cfd318e2d628976c2dffd9745f2ab2cbbb05fca2be821b699545c371ff37
Nov 09 10:28:35.743 INFO running `"docker" "start" "-a" "bee8cfd318e2d628976c2dffd9745f2ab2cbbb05fca2be821b699545c371ff37"`
Nov 09 10:28:36.867 INFO kablam! usermod: no changes
Nov 09 10:28:36.943 INFO kablam!     Checking rustycalc v0.1.0 (/source)
Nov 09 10:28:37.837 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 10:28:37.837 INFO kablam!    --> src/types/binary.rs:111:9
Nov 09 10:28:37.837 INFO kablam!     |
Nov 09 10:28:37.837 INFO kablam! 111 |         write!(f, "0b");
Nov 09 10:28:37.837 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Nov 09 10:28:37.837 INFO kablam!     |
Nov 09 10:28:37.837 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 10:28:37.837 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 10:28:37.837 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 09 10:28:37.837 INFO kablam! 
Nov 09 10:28:37.837 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 10:28:37.837 INFO kablam!    --> src/types/binary.rs:115:17
Nov 09 10:28:37.837 INFO kablam!     |
Nov 09 10:28:37.837 INFO kablam! 115 |                 write!(f, "_");
Nov 09 10:28:37.837 INFO kablam!     |                 ^^^^^^^^^^^^^^^
Nov 09 10:28:37.837 INFO kablam!     |
Nov 09 10:28:37.837 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 10:28:37.837 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 09 10:28:37.837 INFO kablam! 
Nov 09 10:28:38.454 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 10:28:38.454 INFO kablam!    --> src/types/binary.rs:111:9
Nov 09 10:28:38.454 INFO kablam!     |
Nov 09 10:28:38.454 INFO kablam! 111 |         write!(f, "0b");
Nov 09 10:28:38.454 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Nov 09 10:28:38.454 INFO kablam!     |
Nov 09 10:28:38.454 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 10:28:38.454 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 10:28:38.454 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 09 10:28:38.454 INFO kablam! 
Nov 09 10:28:38.454 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 10:28:38.454 INFO kablam!    --> src/types/binary.rs:115:17
Nov 09 10:28:38.454 INFO kablam!     |
Nov 09 10:28:38.454 INFO kablam! 115 |                 write!(f, "_");
Nov 09 10:28:38.454 INFO kablam!     |                 ^^^^^^^^^^^^^^^
Nov 09 10:28:38.454 INFO kablam!     |
Nov 09 10:28:38.454 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 10:28:38.454 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 09 10:28:38.454 INFO kablam! 
Nov 09 10:28:38.957 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
Nov 09 10:28:38.963 INFO kablam! su: No module specific data is present
Nov 09 10:28:39.607 INFO running `"docker" "rm" "-f" "bee8cfd318e2d628976c2dffd9745f2ab2cbbb05fca2be821b699545c371ff37"`
Nov 09 10:28:39.899 INFO blam! bee8cfd318e2d628976c2dffd9745f2ab2cbbb05fca2be821b699545c371ff37