Dec 19 18:12:16.976 INFO checking ddfreyne/d-mark-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:12:16.976 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ddfreyne/d-mark-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:12:17.324 INFO [stdout] 1125e17abcae648d773b45b917300f3a65912f9f4cd14a30b9f5127375dbcece
Dec 19 18:12:17.326 INFO running `"docker" "start" "-a" "1125e17abcae648d773b45b917300f3a65912f9f4cd14a30b9f5127375dbcece"`
Dec 19 18:12:18.539 INFO [stderr]     Checking d-mark v0.1.0 (/opt/crater/workdir)
Dec 19 18:12:19.032 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:19.032 INFO [stderr]   --> src/parser.rs:81:9
Dec 19 18:12:19.032 INFO [stderr]    |
Dec 19 18:12:19.032 INFO [stderr] 81 | /         write!(
Dec 19 18:12:19.032 INFO [stderr] 82 | |             f,
Dec 19 18:12:19.032 INFO [stderr] 83 | |             "parse error at line {}, column {}: #{:?}\n\n",
Dec 19 18:12:19.032 INFO [stderr] 84 | |             self.pos.line_nr, self.pos.col_nr, self.error,
Dec 19 18:12:19.032 INFO [stderr] 85 | |         );
Dec 19 18:12:19.032 INFO [stderr]    | |__________^
Dec 19 18:12:19.032 INFO [stderr]    |
Dec 19 18:12:19.032 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:12:19.032 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:19.032 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 19 18:12:19.033 INFO [stderr] 
Dec 19 18:12:19.033 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:19.033 INFO [stderr]   --> src/parser.rs:88:13
Dec 19 18:12:19.033 INFO [stderr]    |
Dec 19 18:12:19.033 INFO [stderr] 88 |             write!(f, "{}\n", line);
Dec 19 18:12:19.033 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:19.033 INFO [stderr]    |
Dec 19 18:12:19.033 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:19.033 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 19 18:12:19.033 INFO [stderr] 
Dec 19 18:12:19.033 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:19.033 INFO [stderr]   --> src/parser.rs:91:9
Dec 19 18:12:19.033 INFO [stderr]    |
Dec 19 18:12:19.033 INFO [stderr] 91 |         write!(f, "{}\n", self.line1.unwrap_or(""));
Dec 19 18:12:19.033 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:19.033 INFO [stderr]    |
Dec 19 18:12:19.033 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:19.033 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 19 18:12:19.033 INFO [stderr] 
Dec 19 18:12:19.804 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:19.804 INFO [stderr]   --> src/parser.rs:81:9
Dec 19 18:12:19.804 INFO [stderr]    |
Dec 19 18:12:19.804 INFO [stderr] 81 | /         write!(
Dec 19 18:12:19.804 INFO [stderr] 82 | |             f,
Dec 19 18:12:19.804 INFO [stderr] 83 | |             "parse error at line {}, column {}: #{:?}\n\n",
Dec 19 18:12:19.804 INFO [stderr] 84 | |             self.pos.line_nr, self.pos.col_nr, self.error,
Dec 19 18:12:19.804 INFO [stderr] 85 | |         );
Dec 19 18:12:19.804 INFO [stderr]    | |__________^
Dec 19 18:12:19.804 INFO [stderr]    |
Dec 19 18:12:19.804 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:12:19.804 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:19.804 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 19 18:12:19.804 INFO [stderr] 
Dec 19 18:12:19.804 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:19.804 INFO [stderr]   --> src/parser.rs:88:13
Dec 19 18:12:19.804 INFO [stderr]    |
Dec 19 18:12:19.804 INFO [stderr] 88 |             write!(f, "{}\n", line);
Dec 19 18:12:19.804 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:19.804 INFO [stderr]    |
Dec 19 18:12:19.804 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:19.804 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 19 18:12:19.804 INFO [stderr] 
Dec 19 18:12:19.804 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:19.804 INFO [stderr]   --> src/parser.rs:91:9
Dec 19 18:12:19.804 INFO [stderr]    |
Dec 19 18:12:19.804 INFO [stderr] 91 |         write!(f, "{}\n", self.line1.unwrap_or(""));
Dec 19 18:12:19.804 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:19.804 INFO [stderr]    |
Dec 19 18:12:19.804 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:19.804 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 19 18:12:19.804 INFO [stderr] 
Dec 19 18:12:19.874 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 19 18:12:20.595 INFO running `"docker" "inspect" "1125e17abcae648d773b45b917300f3a65912f9f4cd14a30b9f5127375dbcece"`
Dec 19 18:12:20.768 INFO running `"docker" "rm" "-f" "1125e17abcae648d773b45b917300f3a65912f9f4cd14a30b9f5127375dbcece"`
Dec 19 18:12:21.012 INFO [stdout] 1125e17abcae648d773b45b917300f3a65912f9f4cd14a30b9f5127375dbcece