Dec 11 19:55:33.217 INFO checking ddfreyne/d-mark-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 19:55:33.218 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 19:55:33.491 INFO [stdout] c9d92cb8e186365755bfdeb34b795892c8a1afc3c6b47cfdd90842439003cf62
Dec 11 19:55:33.491 INFO running `"docker" "start" "-a" "c9d92cb8e186365755bfdeb34b795892c8a1afc3c6b47cfdd90842439003cf62"`
Dec 11 19:55:33.921 INFO [stderr] usermod: no changes
Dec 11 19:55:33.978 INFO [stderr]     Checking d-mark v0.1.0 (/source)
Dec 11 19:55:34.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 19:55:34.472 INFO [stderr]   --> src/parser.rs:81:9
Dec 11 19:55:34.472 INFO [stderr]    |
Dec 11 19:55:34.472 INFO [stderr] 81 | /         write!(
Dec 11 19:55:34.472 INFO [stderr] 82 | |             f,
Dec 11 19:55:34.472 INFO [stderr] 83 | |             "parse error at line {}, column {}: #{:?}\n\n",
Dec 11 19:55:34.472 INFO [stderr] 84 | |             self.pos.line_nr, self.pos.col_nr, self.error,
Dec 11 19:55:34.472 INFO [stderr] 85 | |         );
Dec 11 19:55:34.472 INFO [stderr]    | |__________^
Dec 11 19:55:34.472 INFO [stderr]    |
Dec 11 19:55:34.472 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 19:55:34.472 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 19:55:34.472 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)
Dec 11 19:55:34.472 INFO [stderr] 
Dec 11 19:55:34.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 19:55:34.472 INFO [stderr]   --> src/parser.rs:88:13
Dec 11 19:55:34.472 INFO [stderr]    |
Dec 11 19:55:34.472 INFO [stderr] 88 |             write!(f, "{}\n", line);
Dec 11 19:55:34.472 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:55:34.472 INFO [stderr]    |
Dec 11 19:55:34.472 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 19:55:34.472 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)
Dec 11 19:55:34.472 INFO [stderr] 
Dec 11 19:55:34.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 19:55:34.472 INFO [stderr]   --> src/parser.rs:91:9
Dec 11 19:55:34.472 INFO [stderr]    |
Dec 11 19:55:34.472 INFO [stderr] 91 |         write!(f, "{}\n", self.line1.unwrap_or(""));
Dec 11 19:55:34.472 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:55:34.472 INFO [stderr]    |
Dec 11 19:55:34.472 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 19:55:34.472 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)
Dec 11 19:55:34.472 INFO [stderr] 
Dec 11 19:55:35.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 19:55:35.360 INFO [stderr]   --> src/parser.rs:81:9
Dec 11 19:55:35.360 INFO [stderr]    |
Dec 11 19:55:35.360 INFO [stderr] 81 | /         write!(
Dec 11 19:55:35.360 INFO [stderr] 82 | |             f,
Dec 11 19:55:35.360 INFO [stderr] 83 | |             "parse error at line {}, column {}: #{:?}\n\n",
Dec 11 19:55:35.360 INFO [stderr] 84 | |             self.pos.line_nr, self.pos.col_nr, self.error,
Dec 11 19:55:35.360 INFO [stderr] 85 | |         );
Dec 11 19:55:35.360 INFO [stderr]    | |__________^
Dec 11 19:55:35.360 INFO [stderr]    |
Dec 11 19:55:35.360 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 19:55:35.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 19:55:35.360 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)
Dec 11 19:55:35.360 INFO [stderr] 
Dec 11 19:55:35.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 19:55:35.360 INFO [stderr]   --> src/parser.rs:88:13
Dec 11 19:55:35.360 INFO [stderr]    |
Dec 11 19:55:35.360 INFO [stderr] 88 |             write!(f, "{}\n", line);
Dec 11 19:55:35.360 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:55:35.360 INFO [stderr]    |
Dec 11 19:55:35.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 19:55:35.360 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)
Dec 11 19:55:35.360 INFO [stderr] 
Dec 11 19:55:35.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 19:55:35.360 INFO [stderr]   --> src/parser.rs:91:9
Dec 11 19:55:35.360 INFO [stderr]    |
Dec 11 19:55:35.360 INFO [stderr] 91 |         write!(f, "{}\n", self.line1.unwrap_or(""));
Dec 11 19:55:35.360 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:55:35.360 INFO [stderr]    |
Dec 11 19:55:35.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 19:55:35.360 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)
Dec 11 19:55:35.360 INFO [stderr] 
Dec 11 19:55:35.416 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Dec 11 19:55:35.416 INFO [stderr] su: No module specific data is present
Dec 11 19:55:35.984 INFO running `"docker" "inspect" "c9d92cb8e186365755bfdeb34b795892c8a1afc3c6b47cfdd90842439003cf62"`
Dec 11 19:55:36.208 INFO running `"docker" "rm" "-f" "c9d92cb8e186365755bfdeb34b795892c8a1afc3c6b47cfdd90842439003cf62"`
Dec 11 19:55:36.335 INFO [stdout] c9d92cb8e186365755bfdeb34b795892c8a1afc3c6b47cfdd90842439003cf62