Nov 07 04:14:23.886 INFO checking KoharaKazuya/forest against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 04:14:23.888 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-4/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 04:14:24.291 INFO blam! ace4f1b58cffd87ccfbedea66c8e47ba64ddebfd5a546d5db5f5682be864a11e
Nov 07 04:14:24.294 INFO running `"docker" "start" "-a" "ace4f1b58cffd87ccfbedea66c8e47ba64ddebfd5a546d5db5f5682be864a11e"`
Nov 07 04:14:25.688 INFO kablam! usermod: no changes
Nov 07 04:14:25.767 INFO kablam!     Checking forest v0.2.0 (/source)
Nov 07 04:14:26.672 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 04:14:26.672 INFO kablam!   --> src/tree_formatter.rs:28:9
Nov 07 04:14:26.672 INFO kablam!    |
Nov 07 04:14:26.672 INFO kablam! 28 | /         write!(self.writer, "{}", match *shape {
Nov 07 04:14:26.672 INFO kablam! 29 | |           Shape::Open => &self.ancestor_guide_open,
Nov 07 04:14:26.672 INFO kablam! 30 | |           Shape::Close => &self.ancestor_guide_close,
Nov 07 04:14:26.672 INFO kablam! 31 | |           _ => panic!("Unexpected Internal Value\nPerhaps, internal logic error...\nformatter can treat with only Open/Close Shape"),
Nov 07 04:14:26.672 INFO kablam! 32 | |         });
Nov 07 04:14:26.672 INFO kablam!    | |___________^
Nov 07 04:14:26.672 INFO kablam!    |
Nov 07 04:14:26.672 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 07 04:14:26.672 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 04:14:26.672 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 07 04:14:26.672 INFO kablam! 
Nov 07 04:14:26.672 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 04:14:26.672 INFO kablam!   --> src/tree_formatter.rs:39:7
Nov 07 04:14:26.672 INFO kablam!    |
Nov 07 04:14:26.672 INFO kablam! 39 |       write!(self.writer, "{}{}\n", ng, entry.name);
Nov 07 04:14:26.672 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 04:14:26.672 INFO kablam!    |
Nov 07 04:14:26.672 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 04:14:26.672 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 07 04:14:26.673 INFO kablam! 
Nov 07 04:14:26.816 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 04:14:26.816 INFO kablam!   --> src/tree_formatter.rs:28:9
Nov 07 04:14:26.816 INFO kablam!    |
Nov 07 04:14:26.816 INFO kablam! 28 | /         write!(self.writer, "{}", match *shape {
Nov 07 04:14:26.816 INFO kablam! 29 | |           Shape::Open => &self.ancestor_guide_open,
Nov 07 04:14:26.816 INFO kablam! 30 | |           Shape::Close => &self.ancestor_guide_close,
Nov 07 04:14:26.816 INFO kablam! 31 | |           _ => panic!("Unexpected Internal Value\nPerhaps, internal logic error...\nformatter can treat with only Open/Close Shape"),
Nov 07 04:14:26.816 INFO kablam! 32 | |         });
Nov 07 04:14:26.816 INFO kablam!    | |___________^
Nov 07 04:14:26.816 INFO kablam!    |
Nov 07 04:14:26.816 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 07 04:14:26.816 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 04:14:26.816 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 07 04:14:26.816 INFO kablam! 
Nov 07 04:14:26.816 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 04:14:26.816 INFO kablam!   --> src/tree_formatter.rs:39:7
Nov 07 04:14:26.816 INFO kablam!    |
Nov 07 04:14:26.816 INFO kablam! 39 |       write!(self.writer, "{}{}\n", ng, entry.name);
Nov 07 04:14:26.816 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 04:14:26.816 INFO kablam!    |
Nov 07 04:14:26.816 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 04:14:26.816 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 07 04:14:26.816 INFO kablam! 
Nov 07 04:14:26.845 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Nov 07 04:14:26.847 INFO kablam! su: No module specific data is present
Nov 07 04:14:27.413 INFO running `"docker" "rm" "-f" "ace4f1b58cffd87ccfbedea66c8e47ba64ddebfd5a546d5db5f5682be864a11e"`
Nov 07 04:14:27.732 INFO blam! ace4f1b58cffd87ccfbedea66c8e47ba64ddebfd5a546d5db5f5682be864a11e