Dec 15 03:34:36.919 INFO testing nixcfg-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 03:34:36.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 15 03:34:37.251 INFO [stdout] 675d274683c35bc53ce1d59f546dcaeea67db58c558cb094308318c57b0eba82
Dec 15 03:34:37.259 INFO running `"docker" "start" "-a" "675d274683c35bc53ce1d59f546dcaeea67db58c558cb094308318c57b0eba82"`
Dec 15 03:34:38.374 INFO [stderr] usermod: no changes
Dec 15 03:34:38.460 INFO [stderr]    Compiling arenatree v0.1.3
Dec 15 03:34:39.005 INFO [stderr]    Compiling rnix v0.4.2
Dec 15 03:34:43.374 INFO [stderr]    Compiling nixcfg v0.2.0 (/source)
Dec 15 03:34:46.088 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:34:46.088 INFO [stderr]   --> src/main.rs:95:9
Dec 15 03:34:46.088 INFO [stderr]    |
Dec 15 03:34:46.088 INFO [stderr] 95 |         write!(file, "{}", content);
Dec 15 03:34:46.088 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:34:46.088 INFO [stderr]    |
Dec 15 03:34:46.088 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 03:34:46.088 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:34:46.088 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 15 03:34:46.088 INFO [stderr] 
Dec 15 03:34:46.088 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:34:46.088 INFO [stderr]    --> src/main.rs:126:13
Dec 15 03:34:46.088 INFO [stderr]     |
Dec 15 03:34:46.088 INFO [stderr] 126 |             write!(content, "{}", ast);
Dec 15 03:34:46.088 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:34:46.088 INFO [stderr]     |
Dec 15 03:34:46.088 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:34:46.088 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 15 03:34:46.088 INFO [stderr] 
Dec 15 03:34:47.348 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.95s
Dec 15 03:34:47.348 INFO [stderr] su: No module specific data is present
Dec 15 03:34:47.683 INFO running `"docker" "inspect" "675d274683c35bc53ce1d59f546dcaeea67db58c558cb094308318c57b0eba82"`
Dec 15 03:34:47.762 INFO running `"docker" "rm" "-f" "675d274683c35bc53ce1d59f546dcaeea67db58c558cb094308318c57b0eba82"`
Dec 15 03:34:47.883 INFO [stdout] 675d274683c35bc53ce1d59f546dcaeea67db58c558cb094308318c57b0eba82
Dec 15 03:34:47.888 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 15 03:34:48.040 INFO [stdout] eff0be8876e1c7f84734e603f85cd03ef54d109efcb0fd29e057f48ced89200c
Dec 15 03:34:48.044 INFO running `"docker" "start" "-a" "eff0be8876e1c7f84734e603f85cd03ef54d109efcb0fd29e057f48ced89200c"`
Dec 15 03:34:48.610 INFO [stderr] usermod: no changes
Dec 15 03:34:48.683 INFO [stderr]    Compiling nixcfg v0.2.0 (/source)
Dec 15 03:34:50.822 INFO [stderr] error[E0308]: mismatched types
Dec 15 03:34:50.822 INFO [stderr]    --> src/main.rs:344:28
Dec 15 03:34:50.822 INFO [stderr]     |
Dec 15 03:34:50.822 INFO [stderr] 344 |                     value: replace_by
Dec 15 03:34:50.822 INFO [stderr]     |                            ^^^^^^^^^^
Dec 15 03:34:50.822 INFO [stderr]     |                            |
Dec 15 03:34:50.822 INFO [stderr]     |                            expected enum `std::option::Option`, found struct `std::string::String`
Dec 15 03:34:50.822 INFO [stderr]     |                            help: try using a variant of the expected type: `Some(replace_by)`
Dec 15 03:34:50.822 INFO [stderr]     |
Dec 15 03:34:50.823 INFO [stderr]     = note: expected type `std::option::Option<std::string::String>`
Dec 15 03:34:50.823 INFO [stderr]                found type `std::string::String`
Dec 15 03:34:50.823 INFO [stderr] 
Dec 15 03:34:50.823 INFO [stderr] error[E0063]: missing field `keep_eol` in initializer of `Command`
Dec 15 03:34:50.823 INFO [stderr]    --> src/main.rs:342:27
Dec 15 03:34:50.823 INFO [stderr]     |
Dec 15 03:34:50.823 INFO [stderr] 342 |                 let cmd = Command::Set {
Dec 15 03:34:50.823 INFO [stderr]     |                           ^^^^^^^^^^^^ missing `keep_eol`
Dec 15 03:34:50.823 INFO [stderr] 
Dec 15 03:34:50.829 INFO [stderr] error: aborting due to 2 previous errors
Dec 15 03:34:50.829 INFO [stderr] 
Dec 15 03:34:50.829 INFO [stderr] Some errors occurred: E0063, E0308.
Dec 15 03:34:50.829 INFO [stderr] For more information about an error, try `rustc --explain E0063`.
Dec 15 03:34:50.841 INFO [stderr] error: Could not compile `nixcfg`.
Dec 15 03:34:50.841 INFO [stderr] 
Dec 15 03:34:50.841 INFO [stderr] To learn more, run the command again with --verbose.
Dec 15 03:34:50.843 INFO [stderr] su: No module specific data is present
Dec 15 03:34:51.171 INFO running `"docker" "inspect" "eff0be8876e1c7f84734e603f85cd03ef54d109efcb0fd29e057f48ced89200c"`
Dec 15 03:34:51.501 INFO running `"docker" "rm" "-f" "eff0be8876e1c7f84734e603f85cd03ef54d109efcb0fd29e057f48ced89200c"`
Dec 15 03:34:51.814 INFO [stdout] eff0be8876e1c7f84734e603f85cd03ef54d109efcb0fd29e057f48ced89200c