Dec 18 05:35:41.207 INFO checking RyanMcG/edfp against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:35:41.207 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:35:41.809 INFO [stdout] b89f19ddd2affc96c2ab12e19a5768d667d00fe8aa88d2ae550fbc94ef1f72a9
Dec 18 05:35:41.812 INFO running `"docker" "start" "-a" "b89f19ddd2affc96c2ab12e19a5768d667d00fe8aa88d2ae550fbc94ef1f72a9"`
Dec 18 05:35:43.696 INFO [stderr]     Checking edfp v0.1.0 (/opt/crater/workdir)
Dec 18 05:35:44.224 INFO [stderr] warning: unused variable: `empty_string`
Dec 18 05:35:44.224 INFO [stderr]   --> src/main.rs:64:9
Dec 18 05:35:44.224 INFO [stderr]    |
Dec 18 05:35:44.224 INFO [stderr] 64 |     let empty_string = String::new();
Dec 18 05:35:44.224 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_empty_string` instead
Dec 18 05:35:44.224 INFO [stderr]    |
Dec 18 05:35:44.224 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:35:44.224 INFO [stderr] 
Dec 18 05:35:44.224 INFO [stderr] warning: unused variable: `empty_string`
Dec 18 05:35:44.224 INFO [stderr]   --> src/main.rs:64:9
Dec 18 05:35:44.224 INFO [stderr]    |
Dec 18 05:35:44.224 INFO [stderr] 64 |     let empty_string = String::new();
Dec 18 05:35:44.224 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_empty_string` instead
Dec 18 05:35:44.224 INFO [stderr]    |
Dec 18 05:35:44.225 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:35:44.225 INFO [stderr] 
Dec 18 05:35:44.225 INFO [stderr] warning: unused variable: `new_path`
Dec 18 05:35:44.225 INFO [stderr]   --> src/main.rs:96:33
Dec 18 05:35:44.225 INFO [stderr]    |
Dec 18 05:35:44.225 INFO [stderr] 96 |         Operation::Rename { ref new_path } => true,
Dec 18 05:35:44.225 INFO [stderr]    |                                 ^^^^^^^^ help: try ignoring the field: `new_path: _`
Dec 18 05:35:44.225 INFO [stderr] 
Dec 18 05:35:44.232 INFO [stderr] warning: unused variable: `new_path`
Dec 18 05:35:44.232 INFO [stderr]   --> src/main.rs:96:33
Dec 18 05:35:44.232 INFO [stderr]    |
Dec 18 05:35:44.232 INFO [stderr] 96 |         Operation::Rename { ref new_path } => true,
Dec 18 05:35:44.232 INFO [stderr]    |                                 ^^^^^^^^ help: try ignoring the field: `new_path: _`
Dec 18 05:35:44.232 INFO [stderr] 
Dec 18 05:35:44.265 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:35:44.265 INFO [stderr]    --> src/main.rs:119:50
Dec 18 05:35:44.265 INFO [stderr]     |
Dec 18 05:35:44.265 INFO [stderr] 119 | fn edfp<I: io::Read, O: io::Write>(mut input: I, mut output: O) {
Dec 18 05:35:44.265 INFO [stderr]     |                                                  ----^^^^^^
Dec 18 05:35:44.265 INFO [stderr]     |                                                  |
Dec 18 05:35:44.265 INFO [stderr]     |                                                  help: remove this `mut`
Dec 18 05:35:44.265 INFO [stderr]     |
Dec 18 05:35:44.265 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:35:44.265 INFO [stderr] 
Dec 18 05:35:44.265 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:35:44.265 INFO [stderr]    --> src/main.rs:157:9
Dec 18 05:35:44.265 INFO [stderr]     |
Dec 18 05:35:44.265 INFO [stderr] 157 |     let mut output = io::stdout();
Dec 18 05:35:44.265 INFO [stderr]     |         ----^^^^^^
Dec 18 05:35:44.265 INFO [stderr]     |         |
Dec 18 05:35:44.265 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:35:44.265 INFO [stderr] 
Dec 18 05:35:44.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.265 INFO [stderr]   --> src/main.rs:81:9
Dec 18 05:35:44.265 INFO [stderr]    |
Dec 18 05:35:44.265 INFO [stderr] 81 |         writeln!(output, "{}", header);
Dec 18 05:35:44.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.265 INFO [stderr]    |
Dec 18 05:35:44.265 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:35:44.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.265 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 05:35:44.265 INFO [stderr] 
Dec 18 05:35:44.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.265 INFO [stderr]   --> src/main.rs:83:13
Dec 18 05:35:44.265 INFO [stderr]    |
Dec 18 05:35:44.265 INFO [stderr] 83 |             writeln!(output, "\t{}", change);
Dec 18 05:35:44.265 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.265 INFO [stderr]    |
Dec 18 05:35:44.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.265 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 05:35:44.265 INFO [stderr] 
Dec 18 05:35:44.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.265 INFO [stderr]   --> src/main.rs:85:9
Dec 18 05:35:44.265 INFO [stderr]    |
Dec 18 05:35:44.265 INFO [stderr] 85 |         writeln!(output);
Dec 18 05:35:44.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.265 INFO [stderr]    |
Dec 18 05:35:44.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.265 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 05:35:44.265 INFO [stderr] 
Dec 18 05:35:44.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.265 INFO [stderr]    --> src/main.rs:101:9
Dec 18 05:35:44.265 INFO [stderr]     |
Dec 18 05:35:44.265 INFO [stderr] 101 |         writeln!(output, "No changes");
Dec 18 05:35:44.265 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.265 INFO [stderr]     |
Dec 18 05:35:44.265 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.265 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 05:35:44.265 INFO [stderr] 
Dec 18 05:35:44.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.265 INFO [stderr]    --> src/main.rs:114:5
Dec 18 05:35:44.265 INFO [stderr]     |
Dec 18 05:35:44.265 INFO [stderr] 114 |     write!(&tty, "Would you like to make the changes described above (y/n)? ");
Dec 18 05:35:44.265 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.265 INFO [stderr]     |
Dec 18 05:35:44.265 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.265 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 05:35:44.265 INFO [stderr] 
Dec 18 05:35:44.316 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:35:44.316 INFO [stderr]    --> src/main.rs:119:50
Dec 18 05:35:44.316 INFO [stderr]     |
Dec 18 05:35:44.316 INFO [stderr] 119 | fn edfp<I: io::Read, O: io::Write>(mut input: I, mut output: O) {
Dec 18 05:35:44.316 INFO [stderr]     |                                                  ----^^^^^^
Dec 18 05:35:44.316 INFO [stderr]     |                                                  |
Dec 18 05:35:44.316 INFO [stderr]     |                                                  help: remove this `mut`
Dec 18 05:35:44.316 INFO [stderr]     |
Dec 18 05:35:44.316 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:35:44.316 INFO [stderr] 
Dec 18 05:35:44.316 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:35:44.316 INFO [stderr]    --> src/main.rs:157:9
Dec 18 05:35:44.316 INFO [stderr]     |
Dec 18 05:35:44.316 INFO [stderr] 157 |     let mut output = io::stdout();
Dec 18 05:35:44.316 INFO [stderr]     |         ----^^^^^^
Dec 18 05:35:44.316 INFO [stderr]     |         |
Dec 18 05:35:44.317 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:35:44.317 INFO [stderr] 
Dec 18 05:35:44.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.319 INFO [stderr]   --> src/main.rs:81:9
Dec 18 05:35:44.319 INFO [stderr]    |
Dec 18 05:35:44.319 INFO [stderr] 81 |         writeln!(output, "{}", header);
Dec 18 05:35:44.319 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.319 INFO [stderr]    |
Dec 18 05:35:44.319 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:35:44.319 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.319 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 05:35:44.319 INFO [stderr] 
Dec 18 05:35:44.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.319 INFO [stderr]   --> src/main.rs:83:13
Dec 18 05:35:44.319 INFO [stderr]    |
Dec 18 05:35:44.319 INFO [stderr] 83 |             writeln!(output, "\t{}", change);
Dec 18 05:35:44.319 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.319 INFO [stderr]    |
Dec 18 05:35:44.319 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.319 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 05:35:44.319 INFO [stderr] 
Dec 18 05:35:44.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.319 INFO [stderr]   --> src/main.rs:85:9
Dec 18 05:35:44.319 INFO [stderr]    |
Dec 18 05:35:44.319 INFO [stderr] 85 |         writeln!(output);
Dec 18 05:35:44.319 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.319 INFO [stderr]    |
Dec 18 05:35:44.319 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.319 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 05:35:44.319 INFO [stderr] 
Dec 18 05:35:44.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.319 INFO [stderr]    --> src/main.rs:101:9
Dec 18 05:35:44.319 INFO [stderr]     |
Dec 18 05:35:44.319 INFO [stderr] 101 |         writeln!(output, "No changes");
Dec 18 05:35:44.319 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.319 INFO [stderr]     |
Dec 18 05:35:44.319 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.319 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 05:35:44.319 INFO [stderr] 
Dec 18 05:35:44.319 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:35:44.319 INFO [stderr]    --> src/main.rs:114:5
Dec 18 05:35:44.319 INFO [stderr]     |
Dec 18 05:35:44.319 INFO [stderr] 114 |     write!(&tty, "Would you like to make the changes described above (y/n)? ");
Dec 18 05:35:44.319 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:35:44.319 INFO [stderr]     |
Dec 18 05:35:44.319 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:35:44.319 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 05:35:44.319 INFO [stderr] 
Dec 18 05:35:44.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 18 05:35:45.096 INFO running `"docker" "inspect" "b89f19ddd2affc96c2ab12e19a5768d667d00fe8aa88d2ae550fbc94ef1f72a9"`
Dec 18 05:35:45.356 INFO running `"docker" "rm" "-f" "b89f19ddd2affc96c2ab12e19a5768d667d00fe8aa88d2ae550fbc94ef1f72a9"`
Dec 18 05:35:45.632 INFO [stdout] b89f19ddd2affc96c2ab12e19a5768d667d00fe8aa88d2ae550fbc94ef1f72a9