Nov 30 10:11:24.857 INFO checking KoharaKazuya/forest against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 10:11:24.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 10:11:25.365 INFO [stdout] 7909c171b7e5e59743bdf0e19499a39d708de21a2a8e9488a9ba781415d8f109
Nov 30 10:11:25.368 INFO running `"docker" "start" "-a" "7909c171b7e5e59743bdf0e19499a39d708de21a2a8e9488a9ba781415d8f109"`
Nov 30 10:11:26.707 INFO [stderr] usermod: no changes
Nov 30 10:11:26.769 INFO [stderr]     Checking forest v0.2.0 (/source)
Nov 30 10:11:27.687 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:11:27.687 INFO [stderr]   --> src/tree_formatter.rs:28:9
Nov 30 10:11:27.687 INFO [stderr]    |
Nov 30 10:11:27.687 INFO [stderr] 28 | /         write!(self.writer, "{}", match *shape {
Nov 30 10:11:27.687 INFO [stderr] 29 | |           Shape::Open => &self.ancestor_guide_open,
Nov 30 10:11:27.687 INFO [stderr] 30 | |           Shape::Close => &self.ancestor_guide_close,
Nov 30 10:11:27.687 INFO [stderr] 31 | |           _ => panic!("Unexpected Internal Value\nPerhaps, internal logic error...\nformatter can treat with only Open/Close Shape"),
Nov 30 10:11:27.687 INFO [stderr] 32 | |         });
Nov 30 10:11:27.687 INFO [stderr]    | |___________^
Nov 30 10:11:27.687 INFO [stderr]    |
Nov 30 10:11:27.687 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 10:11:27.687 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:11:27.687 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 30 10:11:27.687 INFO [stderr] 
Nov 30 10:11:27.687 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:11:27.687 INFO [stderr]   --> src/tree_formatter.rs:39:7
Nov 30 10:11:27.687 INFO [stderr]    |
Nov 30 10:11:27.687 INFO [stderr] 39 |       write!(self.writer, "{}{}\n", ng, entry.name);
Nov 30 10:11:27.687 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:11:27.687 INFO [stderr]    |
Nov 30 10:11:27.687 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:11:27.687 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 30 10:11:27.687 INFO [stderr] 
Nov 30 10:11:27.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:11:27.740 INFO [stderr]   --> src/tree_formatter.rs:28:9
Nov 30 10:11:27.740 INFO [stderr]    |
Nov 30 10:11:27.740 INFO [stderr] 28 | /         write!(self.writer, "{}", match *shape {
Nov 30 10:11:27.740 INFO [stderr] 29 | |           Shape::Open => &self.ancestor_guide_open,
Nov 30 10:11:27.740 INFO [stderr] 30 | |           Shape::Close => &self.ancestor_guide_close,
Nov 30 10:11:27.740 INFO [stderr] 31 | |           _ => panic!("Unexpected Internal Value\nPerhaps, internal logic error...\nformatter can treat with only Open/Close Shape"),
Nov 30 10:11:27.740 INFO [stderr] 32 | |         });
Nov 30 10:11:27.740 INFO [stderr]    | |___________^
Nov 30 10:11:27.740 INFO [stderr]    |
Nov 30 10:11:27.740 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 10:11:27.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:11:27.740 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 30 10:11:27.740 INFO [stderr] 
Nov 30 10:11:27.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:11:27.740 INFO [stderr]   --> src/tree_formatter.rs:39:7
Nov 30 10:11:27.740 INFO [stderr]    |
Nov 30 10:11:27.740 INFO [stderr] 39 |       write!(self.writer, "{}{}\n", ng, entry.name);
Nov 30 10:11:27.740 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:11:27.740 INFO [stderr]    |
Nov 30 10:11:27.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:11:27.740 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 30 10:11:27.740 INFO [stderr] 
Nov 30 10:11:27.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Nov 30 10:11:27.784 INFO [stderr] su: No module specific data is present
Nov 30 10:11:28.370 INFO running `"docker" "inspect" "7909c171b7e5e59743bdf0e19499a39d708de21a2a8e9488a9ba781415d8f109"`
Nov 30 10:11:28.638 INFO running `"docker" "rm" "-f" "7909c171b7e5e59743bdf0e19499a39d708de21a2a8e9488a9ba781415d8f109"`
Nov 30 10:11:28.921 INFO [stdout] 7909c171b7e5e59743bdf0e19499a39d708de21a2a8e9488a9ba781415d8f109