Dec 05 07:20:02.877 INFO checking rustfst-0.1.7 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 07:20:02.877 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 07:20:03.225 INFO [stdout] 8d6dae47ee94091928a42ee3c707b87d9142e44ccb580ccc4315cf9558a4823d
Dec 05 07:20:03.232 INFO running `"docker" "start" "-a" "8d6dae47ee94091928a42ee3c707b87d9142e44ccb580ccc4315cf9558a4823d"`
Dec 05 07:20:04.246 INFO [stderr] usermod: no changes
Dec 05 07:20:04.402 INFO [stderr]     Checking counter v0.4.3
Dec 05 07:20:04.402 INFO [stderr]     Checking rustfst v0.1.7 (/source)
Dec 05 07:20:07.193 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:07.193 INFO [stderr]    --> src/fst_impls/vector_fst/vector_fst.rs:198:1
Dec 05 07:20:07.194 INFO [stderr]     |
Dec 05 07:20:07.194 INFO [stderr] 198 | display_fst!(W, VectorFst<W>);
Dec 05 07:20:07.194 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:07.194 INFO [stderr]     |
Dec 05 07:20:07.195 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 07:20:07.195 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:07.196 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 05 07:20:07.196 INFO [stderr] 
Dec 05 07:20:07.196 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:07.197 INFO [stderr]   --> src/semirings/boolean_weight.rs:42:1
Dec 05 07:20:07.197 INFO [stderr]    |
Dec 05 07:20:07.197 INFO [stderr] 42 | display_semiring!(BooleanWeight);
Dec 05 07:20:07.197 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:07.198 INFO [stderr]    |
Dec 05 07:20:07.198 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:07.198 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 05 07:20:07.199 INFO [stderr] 
Dec 05 07:20:07.199 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:07.200 INFO [stderr]   --> src/semirings/integer_weight.rs:46:1
Dec 05 07:20:07.200 INFO [stderr]    |
Dec 05 07:20:07.200 INFO [stderr] 46 | display_semiring!(IntegerWeight);
Dec 05 07:20:07.201 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:07.201 INFO [stderr]    |
Dec 05 07:20:07.201 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:07.201 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 05 07:20:07.201 INFO [stderr] 
Dec 05 07:20:07.202 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:07.203 INFO [stderr]   --> src/semirings/log_weight.rs:67:1
Dec 05 07:20:07.203 INFO [stderr]    |
Dec 05 07:20:07.203 INFO [stderr] 67 | display_semiring!(LogWeight);
Dec 05 07:20:07.204 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:07.204 INFO [stderr]    |
Dec 05 07:20:07.204 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:07.205 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 05 07:20:07.205 INFO [stderr] 
Dec 05 07:20:07.206 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:07.206 INFO [stderr]   --> src/semirings/probability_weight.rs:44:1
Dec 05 07:20:07.206 INFO [stderr]    |
Dec 05 07:20:07.206 INFO [stderr] 44 | display_semiring!(ProbabilityWeight);
Dec 05 07:20:07.207 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:07.207 INFO [stderr]    |
Dec 05 07:20:07.207 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:07.208 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 05 07:20:07.208 INFO [stderr] 
Dec 05 07:20:07.209 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:07.209 INFO [stderr]   --> src/semirings/tropical_weight.rs:57:1
Dec 05 07:20:07.209 INFO [stderr]    |
Dec 05 07:20:07.210 INFO [stderr] 57 | display_semiring!(TropicalWeight);
Dec 05 07:20:07.210 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:07.210 INFO [stderr]    |
Dec 05 07:20:07.210 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:07.215 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 05 07:20:07.215 INFO [stderr] 
Dec 05 07:20:08.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:08.027 INFO [stderr]    --> src/fst_impls/vector_fst/vector_fst.rs:198:1
Dec 05 07:20:08.027 INFO [stderr]     |
Dec 05 07:20:08.027 INFO [stderr] 198 | display_fst!(W, VectorFst<W>);
Dec 05 07:20:08.027 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:08.027 INFO [stderr]     |
Dec 05 07:20:08.027 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 07:20:08.027 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:08.027 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 05 07:20:08.027 INFO [stderr] 
Dec 05 07:20:08.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:08.027 INFO [stderr]   --> src/semirings/boolean_weight.rs:42:1
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr] 42 | display_semiring!(BooleanWeight);
Dec 05 07:20:08.027 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:08.027 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 05 07:20:08.027 INFO [stderr] 
Dec 05 07:20:08.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:08.027 INFO [stderr]   --> src/semirings/integer_weight.rs:46:1
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr] 46 | display_semiring!(IntegerWeight);
Dec 05 07:20:08.027 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:08.027 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 05 07:20:08.027 INFO [stderr] 
Dec 05 07:20:08.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:08.027 INFO [stderr]   --> src/semirings/log_weight.rs:67:1
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr] 67 | display_semiring!(LogWeight);
Dec 05 07:20:08.027 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:08.027 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 05 07:20:08.027 INFO [stderr] 
Dec 05 07:20:08.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:08.027 INFO [stderr]   --> src/semirings/probability_weight.rs:44:1
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr] 44 | display_semiring!(ProbabilityWeight);
Dec 05 07:20:08.027 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:08.027 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 05 07:20:08.027 INFO [stderr] 
Dec 05 07:20:08.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 07:20:08.027 INFO [stderr]   --> src/semirings/tropical_weight.rs:57:1
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr] 57 | display_semiring!(TropicalWeight);
Dec 05 07:20:08.027 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
Dec 05 07:20:08.027 INFO [stderr]    |
Dec 05 07:20:08.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 07:20:08.028 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 05 07:20:08.028 INFO [stderr] 
Dec 05 07:20:08.066 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
Dec 05 07:20:08.072 INFO [stderr] su: No module specific data is present
Dec 05 07:20:08.469 INFO running `"docker" "inspect" "8d6dae47ee94091928a42ee3c707b87d9142e44ccb580ccc4315cf9558a4823d"`
Dec 05 07:20:08.807 INFO running `"docker" "rm" "-f" "8d6dae47ee94091928a42ee3c707b87d9142e44ccb580ccc4315cf9558a4823d"`
Dec 05 07:20:09.243 INFO [stdout] 8d6dae47ee94091928a42ee3c707b87d9142e44ccb580ccc4315cf9558a4823d