Nov 18 05:20:25.056 INFO testing nixcfg-0.2.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 05:20:25.056 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 18 05:20:25.323 INFO [stdout] 019c9f3cdb210f91865e9e4cc0dc4b1d0358817a772ce05cb8b8c4035294810f
Nov 18 05:20:25.326 INFO running `"docker" "start" "-a" "019c9f3cdb210f91865e9e4cc0dc4b1d0358817a772ce05cb8b8c4035294810f"`
Nov 18 05:20:26.165 INFO [stderr] usermod: no changes
Nov 18 05:20:26.259 INFO [stderr]    Compiling rnix v0.4.2
Nov 18 05:20:29.623 INFO [stderr]    Compiling nixcfg v0.2.0 (/source)
Nov 18 05:20:31.818 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 05:20:31.818 INFO [stderr]   --> src/main.rs:95:9
Nov 18 05:20:31.818 INFO [stderr]    |
Nov 18 05:20:31.818 INFO [stderr] 95 |         write!(file, "{}", content);
Nov 18 05:20:31.818 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 05:20:31.818 INFO [stderr]    |
Nov 18 05:20:31.818 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 05:20:31.818 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 05:20:31.818 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 18 05:20:31.818 INFO [stderr] 
Nov 18 05:20:31.819 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 05:20:31.819 INFO [stderr]    --> src/main.rs:126:13
Nov 18 05:20:31.819 INFO [stderr]     |
Nov 18 05:20:31.819 INFO [stderr] 126 |             write!(content, "{}", ast);
Nov 18 05:20:31.819 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 05:20:31.819 INFO [stderr]     |
Nov 18 05:20:31.819 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 05:20:31.819 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 18 05:20:31.819 INFO [stderr] 
Nov 18 05:20:33.055 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
Nov 18 05:20:33.061 INFO [stderr] su: No module specific data is present
Nov 18 05:20:33.480 INFO running `"docker" "inspect" "019c9f3cdb210f91865e9e4cc0dc4b1d0358817a772ce05cb8b8c4035294810f"`
Nov 18 05:20:33.640 INFO running `"docker" "rm" "-f" "019c9f3cdb210f91865e9e4cc0dc4b1d0358817a772ce05cb8b8c4035294810f"`
Nov 18 05:20:33.762 INFO [stdout] 019c9f3cdb210f91865e9e4cc0dc4b1d0358817a772ce05cb8b8c4035294810f
Nov 18 05:20:33.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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 18 05:20:34.030 INFO [stdout] 1cd41dd9ccf481ae4c6dbad4c828fefe94c377b0c5d56217321598a8c868e049
Nov 18 05:20:34.032 INFO running `"docker" "start" "-a" "1cd41dd9ccf481ae4c6dbad4c828fefe94c377b0c5d56217321598a8c868e049"`
Nov 18 05:20:34.460 INFO [stderr] usermod: no changes
Nov 18 05:20:34.534 INFO [stderr]    Compiling nixcfg v0.2.0 (/source)
Nov 18 05:20:36.369 INFO [stderr] error[E0308]: mismatched types
Nov 18 05:20:36.369 INFO [stderr]    --> src/main.rs:344:28
Nov 18 05:20:36.369 INFO [stderr]     |
Nov 18 05:20:36.369 INFO [stderr] 344 |                     value: replace_by
Nov 18 05:20:36.369 INFO [stderr]     |                            ^^^^^^^^^^
Nov 18 05:20:36.369 INFO [stderr]     |                            |
Nov 18 05:20:36.369 INFO [stderr]     |                            expected enum `std::option::Option`, found struct `std::string::String`
Nov 18 05:20:36.369 INFO [stderr]     |                            help: try using a variant of the expected type: `Some(replace_by)`
Nov 18 05:20:36.369 INFO [stderr]     |
Nov 18 05:20:36.369 INFO [stderr]     = note: expected type `std::option::Option<std::string::String>`
Nov 18 05:20:36.369 INFO [stderr]                found type `std::string::String`
Nov 18 05:20:36.369 INFO [stderr] 
Nov 18 05:20:36.369 INFO [stderr] error[E0063]: missing field `keep_eol` in initializer of `Command`
Nov 18 05:20:36.369 INFO [stderr]    --> src/main.rs:342:27
Nov 18 05:20:36.369 INFO [stderr]     |
Nov 18 05:20:36.369 INFO [stderr] 342 |                 let cmd = Command::Set {
Nov 18 05:20:36.369 INFO [stderr]     |                           ^^^^^^^^^^^^ missing `keep_eol`
Nov 18 05:20:36.369 INFO [stderr] 
Nov 18 05:20:36.379 INFO [stderr] error: aborting due to 2 previous errors
Nov 18 05:20:36.379 INFO [stderr] 
Nov 18 05:20:36.379 INFO [stderr] Some errors occurred: E0063, E0308.
Nov 18 05:20:36.379 INFO [stderr] For more information about an error, try `rustc --explain E0063`.
Nov 18 05:20:36.391 INFO [stderr] error: Could not compile `nixcfg`.
Nov 18 05:20:36.391 INFO [stderr] 
Nov 18 05:20:36.391 INFO [stderr] To learn more, run the command again with --verbose.
Nov 18 05:20:36.393 INFO [stderr] su: No module specific data is present
Nov 18 05:20:36.674 INFO running `"docker" "inspect" "1cd41dd9ccf481ae4c6dbad4c828fefe94c377b0c5d56217321598a8c868e049"`
Nov 18 05:20:36.794 INFO running `"docker" "rm" "-f" "1cd41dd9ccf481ae4c6dbad4c828fefe94c377b0c5d56217321598a8c868e049"`
Nov 18 05:20:36.931 INFO [stdout] 1cd41dd9ccf481ae4c6dbad4c828fefe94c377b0c5d56217321598a8c868e049