Dec 18 05:35:38.920 INFO checking RyanMcG/edfp against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:35:38.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/RyanMcG/edfp:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:35:39.473 INFO [stdout] a7e8d7e82439ecc51893a577faa869eedc8d09683664be99be13851cc00c3c1d
Dec 18 05:35:39.475 INFO running `"docker" "start" "-a" "a7e8d7e82439ecc51893a577faa869eedc8d09683664be99be13851cc00c3c1d"`
Dec 18 05:35:41.164 INFO [stderr]     Checking edfp v0.1.0 (/opt/crater/workdir)
Dec 18 05:35:41.580 INFO [stderr] warning: unused variable: `empty_string`
Dec 18 05:35:41.580 INFO [stderr]   --> src/main.rs:64:9
Dec 18 05:35:41.580 INFO [stderr]    |
Dec 18 05:35:41.580 INFO [stderr] 64 |     let empty_string = String::new();
Dec 18 05:35:41.580 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_empty_string` instead
Dec 18 05:35:41.580 INFO [stderr]    |
Dec 18 05:35:41.580 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:35:41.580 INFO [stderr] 
Dec 18 05:35:41.580 INFO [stderr] warning: unused variable: `new_path`
Dec 18 05:35:41.580 INFO [stderr]   --> src/main.rs:96:33
Dec 18 05:35:41.580 INFO [stderr]    |
Dec 18 05:35:41.580 INFO [stderr] 96 |         Operation::Rename { ref new_path } => true,
Dec 18 05:35:41.580 INFO [stderr]    |                                 ^^^^^^^^ help: try ignoring the field: `new_path: _`
Dec 18 05:35:41.580 INFO [stderr] 
Dec 18 05:35:41.605 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:35:41.605 INFO [stderr]    --> src/main.rs:119:50
Dec 18 05:35:41.605 INFO [stderr]     |
Dec 18 05:35:41.605 INFO [stderr] 119 | fn edfp<I: io::Read, O: io::Write>(mut input: I, mut output: O) {
Dec 18 05:35:41.605 INFO [stderr]     |                                                  ----^^^^^^
Dec 18 05:35:41.605 INFO [stderr]     |                                                  |
Dec 18 05:35:41.605 INFO [stderr]     |                                                  help: remove this `mut`
Dec 18 05:35:41.605 INFO [stderr]     |
Dec 18 05:35:41.605 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:35:41.605 INFO [stderr] 
Dec 18 05:35:41.605 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:35:41.605 INFO [stderr]    --> src/main.rs:157:9
Dec 18 05:35:41.605 INFO [stderr]     |
Dec 18 05:35:41.605 INFO [stderr] 157 |     let mut output = io::stdout();
Dec 18 05:35:41.605 INFO [stderr]     |         ----^^^^^^
Dec 18 05:35:41.605 INFO [stderr]     |         |
Dec 18 05:35:41.605 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:35:41.605 INFO [stderr] 
Dec 18 05:35:41.607 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.607 INFO [stderr]   --> src/main.rs:81:9
Dec 18 05:35:41.607 INFO [stderr]    |
Dec 18 05:35:41.607 INFO [stderr] 81 |         writeln!(output, "{}", header);
Dec 18 05:35:41.607 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.607 INFO [stderr]    |
Dec 18 05:35:41.607 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:35:41.607 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.607 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 18 05:35:41.607 INFO [stderr] 
Dec 18 05:35:41.607 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.607 INFO [stderr]   --> src/main.rs:83:13
Dec 18 05:35:41.607 INFO [stderr]    |
Dec 18 05:35:41.607 INFO [stderr] 83 |             writeln!(output, "\t{}", change);
Dec 18 05:35:41.607 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.607 INFO [stderr]    |
Dec 18 05:35:41.607 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.607 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 18 05:35:41.607 INFO [stderr] 
Dec 18 05:35:41.607 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.607 INFO [stderr]   --> src/main.rs:85:9
Dec 18 05:35:41.607 INFO [stderr]    |
Dec 18 05:35:41.607 INFO [stderr] 85 |         writeln!(output);
Dec 18 05:35:41.607 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.608 INFO [stderr]    |
Dec 18 05:35:41.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.608 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 18 05:35:41.608 INFO [stderr] 
Dec 18 05:35:41.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.608 INFO [stderr]    --> src/main.rs:101:9
Dec 18 05:35:41.608 INFO [stderr]     |
Dec 18 05:35:41.608 INFO [stderr] 101 |         writeln!(output, "No changes");
Dec 18 05:35:41.608 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.608 INFO [stderr]     |
Dec 18 05:35:41.608 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.608 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 18 05:35:41.608 INFO [stderr] 
Dec 18 05:35:41.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.608 INFO [stderr]    --> src/main.rs:114:5
Dec 18 05:35:41.608 INFO [stderr]     |
Dec 18 05:35:41.608 INFO [stderr] 114 |     write!(&tty, "Would you like to make the changes described above (y/n)? ");
Dec 18 05:35:41.608 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.608 INFO [stderr]     |
Dec 18 05:35:41.612 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.612 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 18 05:35:41.612 INFO [stderr] 
Dec 18 05:35:41.676 INFO [stderr] warning: unused variable: `empty_string`
Dec 18 05:35:41.676 INFO [stderr]   --> src/main.rs:64:9
Dec 18 05:35:41.676 INFO [stderr]    |
Dec 18 05:35:41.676 INFO [stderr] 64 |     let empty_string = String::new();
Dec 18 05:35:41.676 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_empty_string` instead
Dec 18 05:35:41.676 INFO [stderr]    |
Dec 18 05:35:41.676 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:35:41.676 INFO [stderr] 
Dec 18 05:35:41.676 INFO [stderr] warning: unused variable: `new_path`
Dec 18 05:35:41.676 INFO [stderr]   --> src/main.rs:96:33
Dec 18 05:35:41.676 INFO [stderr]    |
Dec 18 05:35:41.676 INFO [stderr] 96 |         Operation::Rename { ref new_path } => true,
Dec 18 05:35:41.676 INFO [stderr]    |                                 ^^^^^^^^ help: try ignoring the field: `new_path: _`
Dec 18 05:35:41.676 INFO [stderr] 
Dec 18 05:35:41.702 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:35:41.702 INFO [stderr]    --> src/main.rs:119:50
Dec 18 05:35:41.702 INFO [stderr]     |
Dec 18 05:35:41.702 INFO [stderr] 119 | fn edfp<I: io::Read, O: io::Write>(mut input: I, mut output: O) {
Dec 18 05:35:41.702 INFO [stderr]     |                                                  ----^^^^^^
Dec 18 05:35:41.702 INFO [stderr]     |                                                  |
Dec 18 05:35:41.702 INFO [stderr]     |                                                  help: remove this `mut`
Dec 18 05:35:41.702 INFO [stderr]     |
Dec 18 05:35:41.702 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:35:41.702 INFO [stderr] 
Dec 18 05:35:41.702 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:35:41.702 INFO [stderr]    --> src/main.rs:157:9
Dec 18 05:35:41.702 INFO [stderr]     |
Dec 18 05:35:41.702 INFO [stderr] 157 |     let mut output = io::stdout();
Dec 18 05:35:41.702 INFO [stderr]     |         ----^^^^^^
Dec 18 05:35:41.702 INFO [stderr]     |         |
Dec 18 05:35:41.702 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:35:41.702 INFO [stderr] 
Dec 18 05:35:41.703 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.703 INFO [stderr]   --> src/main.rs:81:9
Dec 18 05:35:41.703 INFO [stderr]    |
Dec 18 05:35:41.704 INFO [stderr] 81 |         writeln!(output, "{}", header);
Dec 18 05:35:41.704 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.704 INFO [stderr]    |
Dec 18 05:35:41.704 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:35:41.704 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.704 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 18 05:35:41.704 INFO [stderr] 
Dec 18 05:35:41.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.704 INFO [stderr]   --> src/main.rs:83:13
Dec 18 05:35:41.704 INFO [stderr]    |
Dec 18 05:35:41.704 INFO [stderr] 83 |             writeln!(output, "\t{}", change);
Dec 18 05:35:41.704 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.704 INFO [stderr]    |
Dec 18 05:35:41.704 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.704 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 18 05:35:41.704 INFO [stderr] 
Dec 18 05:35:41.705 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.705 INFO [stderr]   --> src/main.rs:85:9
Dec 18 05:35:41.705 INFO [stderr]    |
Dec 18 05:35:41.705 INFO [stderr] 85 |         writeln!(output);
Dec 18 05:35:41.706 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.706 INFO [stderr]    |
Dec 18 05:35:41.706 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.706 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 18 05:35:41.706 INFO [stderr] 
Dec 18 05:35:41.706 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.706 INFO [stderr]    --> src/main.rs:101:9
Dec 18 05:35:41.706 INFO [stderr]     |
Dec 18 05:35:41.706 INFO [stderr] 101 |         writeln!(output, "No changes");
Dec 18 05:35:41.706 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.706 INFO [stderr]     |
Dec 18 05:35:41.707 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.707 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 18 05:35:41.707 INFO [stderr] 
Dec 18 05:35:41.707 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:41.707 INFO [stderr]    --> src/main.rs:114:5
Dec 18 05:35:41.712 INFO [stderr]     |
Dec 18 05:35:41.712 INFO [stderr] 114 |     write!(&tty, "Would you like to make the changes described above (y/n)? ");
Dec 18 05:35:41.712 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:41.712 INFO [stderr]     |
Dec 18 05:35:41.712 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:41.712 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 18 05:35:41.712 INFO [stderr] 
Dec 18 05:35:41.746 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 18 05:35:42.516 INFO running `"docker" "inspect" "a7e8d7e82439ecc51893a577faa869eedc8d09683664be99be13851cc00c3c1d"`
Dec 18 05:35:42.910 INFO running `"docker" "rm" "-f" "a7e8d7e82439ecc51893a577faa869eedc8d09683664be99be13851cc00c3c1d"`
Dec 18 05:35:43.164 INFO [stdout] a7e8d7e82439ecc51893a577faa869eedc8d09683664be99be13851cc00c3c1d