Nov 28 12:41:31.438 INFO checking KoharaKazuya/forest against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 12:41:31.438 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 12:41:31.768 INFO [stdout] f96600adc1057c541e8f3d8916535ae013fe1627cfe9ac32df9824725a1ba921
Nov 28 12:41:31.772 INFO running `"docker" "start" "-a" "f96600adc1057c541e8f3d8916535ae013fe1627cfe9ac32df9824725a1ba921"`
Nov 28 12:41:32.992 INFO [stderr] usermod: no changes
Nov 28 12:41:33.035 INFO [stderr]     Checking forest v0.2.0 (/source)
Nov 28 12:41:33.796 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:41:33.796 INFO [stderr]   --> src/tree_formatter.rs:28:9
Nov 28 12:41:33.796 INFO [stderr]    |
Nov 28 12:41:33.796 INFO [stderr] 28 | /         write!(self.writer, "{}", match *shape {
Nov 28 12:41:33.796 INFO [stderr] 29 | |           Shape::Open => &self.ancestor_guide_open,
Nov 28 12:41:33.796 INFO [stderr] 30 | |           Shape::Close => &self.ancestor_guide_close,
Nov 28 12:41:33.796 INFO [stderr] 31 | |           _ => panic!("Unexpected Internal Value\nPerhaps, internal logic error...\nformatter can treat with only Open/Close Shape"),
Nov 28 12:41:33.796 INFO [stderr] 32 | |         });
Nov 28 12:41:33.796 INFO [stderr]    | |___________^
Nov 28 12:41:33.796 INFO [stderr]    |
Nov 28 12:41:33.796 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 12:41:33.796 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:41:33.796 INFO [stderr]    = 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 28 12:41:33.796 INFO [stderr] 
Nov 28 12:41:33.797 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:41:33.797 INFO [stderr]   --> src/tree_formatter.rs:39:7
Nov 28 12:41:33.797 INFO [stderr]    |
Nov 28 12:41:33.797 INFO [stderr] 39 |       write!(self.writer, "{}{}\n", ng, entry.name);
Nov 28 12:41:33.797 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:41:33.797 INFO [stderr]    |
Nov 28 12:41:33.797 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:41:33.797 INFO [stderr]    = 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 28 12:41:33.797 INFO [stderr] 
Nov 28 12:41:34.067 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:41:34.067 INFO [stderr]   --> src/tree_formatter.rs:28:9
Nov 28 12:41:34.067 INFO [stderr]    |
Nov 28 12:41:34.067 INFO [stderr] 28 | /         write!(self.writer, "{}", match *shape {
Nov 28 12:41:34.067 INFO [stderr] 29 | |           Shape::Open => &self.ancestor_guide_open,
Nov 28 12:41:34.067 INFO [stderr] 30 | |           Shape::Close => &self.ancestor_guide_close,
Nov 28 12:41:34.067 INFO [stderr] 31 | |           _ => panic!("Unexpected Internal Value\nPerhaps, internal logic error...\nformatter can treat with only Open/Close Shape"),
Nov 28 12:41:34.067 INFO [stderr] 32 | |         });
Nov 28 12:41:34.067 INFO [stderr]    | |___________^
Nov 28 12:41:34.067 INFO [stderr]    |
Nov 28 12:41:34.067 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 12:41:34.067 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:41:34.067 INFO [stderr]    = 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 28 12:41:34.067 INFO [stderr] 
Nov 28 12:41:34.067 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 12:41:34.067 INFO [stderr]   --> src/tree_formatter.rs:39:7
Nov 28 12:41:34.067 INFO [stderr]    |
Nov 28 12:41:34.067 INFO [stderr] 39 |       write!(self.writer, "{}{}\n", ng, entry.name);
Nov 28 12:41:34.067 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:41:34.076 INFO [stderr]    |
Nov 28 12:41:34.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 12:41:34.076 INFO [stderr]    = 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 28 12:41:34.076 INFO [stderr] 
Nov 28 12:41:34.083 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Nov 28 12:41:34.084 INFO [stderr] su: No module specific data is present
Nov 28 12:41:34.413 INFO running `"docker" "inspect" "f96600adc1057c541e8f3d8916535ae013fe1627cfe9ac32df9824725a1ba921"`
Nov 28 12:41:34.540 INFO running `"docker" "rm" "-f" "f96600adc1057c541e8f3d8916535ae013fe1627cfe9ac32df9824725a1ba921"`
Nov 28 12:41:34.667 INFO [stdout] f96600adc1057c541e8f3d8916535ae013fe1627cfe9ac32df9824725a1ba921