Dec 12 00:30:31.917 INFO checking RyanMcG/edfp against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:30:31.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 00:30:32.418 INFO [stdout] eb3125e71ece30d2b02d6a3721772a5693c5948539d7eb5a8780d088bab4efbf
Dec 12 00:30:32.420 INFO running `"docker" "start" "-a" "eb3125e71ece30d2b02d6a3721772a5693c5948539d7eb5a8780d088bab4efbf"`
Dec 12 00:30:33.688 INFO [stderr] usermod: no changes
Dec 12 00:30:33.770 INFO [stderr]     Checking edfp v0.1.0 (/source)
Dec 12 00:30:34.424 INFO [stderr] warning: unused variable: `empty_string`
Dec 12 00:30:34.424 INFO [stderr]   --> src/main.rs:64:9
Dec 12 00:30:34.424 INFO [stderr]    |
Dec 12 00:30:34.424 INFO [stderr] 64 |     let empty_string = String::new();
Dec 12 00:30:34.424 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_empty_string` instead
Dec 12 00:30:34.424 INFO [stderr]    |
Dec 12 00:30:34.424 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:30:34.424 INFO [stderr] 
Dec 12 00:30:34.424 INFO [stderr] warning: unused variable: `new_path`
Dec 12 00:30:34.424 INFO [stderr]   --> src/main.rs:96:33
Dec 12 00:30:34.424 INFO [stderr]    |
Dec 12 00:30:34.424 INFO [stderr] 96 |         Operation::Rename { ref new_path } => true,
Dec 12 00:30:34.424 INFO [stderr]    |                                 ^^^^^^^^ help: try ignoring the field: `new_path: _`
Dec 12 00:30:34.424 INFO [stderr] 
Dec 12 00:30:34.476 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:30:34.476 INFO [stderr]    --> src/main.rs:119:50
Dec 12 00:30:34.476 INFO [stderr]     |
Dec 12 00:30:34.476 INFO [stderr] 119 | fn edfp<I: io::Read, O: io::Write>(mut input: I, mut output: O) {
Dec 12 00:30:34.476 INFO [stderr]     |                                                  ----^^^^^^
Dec 12 00:30:34.476 INFO [stderr]     |                                                  |
Dec 12 00:30:34.476 INFO [stderr]     |                                                  help: remove this `mut`
Dec 12 00:30:34.476 INFO [stderr]     |
Dec 12 00:30:34.477 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 00:30:34.477 INFO [stderr] 
Dec 12 00:30:34.477 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:30:34.477 INFO [stderr]    --> src/main.rs:157:9
Dec 12 00:30:34.477 INFO [stderr]     |
Dec 12 00:30:34.477 INFO [stderr] 157 |     let mut output = io::stdout();
Dec 12 00:30:34.477 INFO [stderr]     |         ----^^^^^^
Dec 12 00:30:34.477 INFO [stderr]     |         |
Dec 12 00:30:34.477 INFO [stderr]     |         help: remove this `mut`
Dec 12 00:30:34.477 INFO [stderr] 
Dec 12 00:30:34.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.477 INFO [stderr]   --> src/main.rs:81:9
Dec 12 00:30:34.477 INFO [stderr]    |
Dec 12 00:30:34.477 INFO [stderr] 81 |         writeln!(output, "{}", header);
Dec 12 00:30:34.477 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.477 INFO [stderr]    |
Dec 12 00:30:34.477 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 00:30:34.477 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.477 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 12 00:30:34.477 INFO [stderr] 
Dec 12 00:30:34.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.477 INFO [stderr]   --> src/main.rs:83:13
Dec 12 00:30:34.477 INFO [stderr]    |
Dec 12 00:30:34.477 INFO [stderr] 83 |             writeln!(output, "\t{}", change);
Dec 12 00:30:34.477 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.477 INFO [stderr]    |
Dec 12 00:30:34.477 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.477 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 12 00:30:34.477 INFO [stderr] 
Dec 12 00:30:34.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.477 INFO [stderr]   --> src/main.rs:85:9
Dec 12 00:30:34.477 INFO [stderr]    |
Dec 12 00:30:34.477 INFO [stderr] 85 |         writeln!(output);
Dec 12 00:30:34.477 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.477 INFO [stderr]    |
Dec 12 00:30:34.477 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.477 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 12 00:30:34.477 INFO [stderr] 
Dec 12 00:30:34.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.477 INFO [stderr]    --> src/main.rs:101:9
Dec 12 00:30:34.477 INFO [stderr]     |
Dec 12 00:30:34.477 INFO [stderr] 101 |         writeln!(output, "No changes");
Dec 12 00:30:34.477 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.477 INFO [stderr]     |
Dec 12 00:30:34.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.477 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 12 00:30:34.477 INFO [stderr] 
Dec 12 00:30:34.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.477 INFO [stderr]    --> src/main.rs:114:5
Dec 12 00:30:34.477 INFO [stderr]     |
Dec 12 00:30:34.477 INFO [stderr] 114 |     write!(&tty, "Would you like to make the changes described above (y/n)? ");
Dec 12 00:30:34.477 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.477 INFO [stderr]     |
Dec 12 00:30:34.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.479 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 12 00:30:34.479 INFO [stderr] 
Dec 12 00:30:34.644 INFO [stderr] warning: unused variable: `empty_string`
Dec 12 00:30:34.644 INFO [stderr]   --> src/main.rs:64:9
Dec 12 00:30:34.644 INFO [stderr]    |
Dec 12 00:30:34.644 INFO [stderr] 64 |     let empty_string = String::new();
Dec 12 00:30:34.644 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_empty_string` instead
Dec 12 00:30:34.644 INFO [stderr]    |
Dec 12 00:30:34.644 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:30:34.644 INFO [stderr] 
Dec 12 00:30:34.644 INFO [stderr] warning: unused variable: `new_path`
Dec 12 00:30:34.644 INFO [stderr]   --> src/main.rs:96:33
Dec 12 00:30:34.644 INFO [stderr]    |
Dec 12 00:30:34.644 INFO [stderr] 96 |         Operation::Rename { ref new_path } => true,
Dec 12 00:30:34.644 INFO [stderr]    |                                 ^^^^^^^^ help: try ignoring the field: `new_path: _`
Dec 12 00:30:34.644 INFO [stderr] 
Dec 12 00:30:34.656 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:30:34.656 INFO [stderr]    --> src/main.rs:119:50
Dec 12 00:30:34.656 INFO [stderr]     |
Dec 12 00:30:34.656 INFO [stderr] 119 | fn edfp<I: io::Read, O: io::Write>(mut input: I, mut output: O) {
Dec 12 00:30:34.656 INFO [stderr]     |                                                  ----^^^^^^
Dec 12 00:30:34.656 INFO [stderr]     |                                                  |
Dec 12 00:30:34.656 INFO [stderr]     |                                                  help: remove this `mut`
Dec 12 00:30:34.656 INFO [stderr]     |
Dec 12 00:30:34.656 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 00:30:34.656 INFO [stderr] 
Dec 12 00:30:34.656 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:30:34.656 INFO [stderr]    --> src/main.rs:157:9
Dec 12 00:30:34.656 INFO [stderr]     |
Dec 12 00:30:34.656 INFO [stderr] 157 |     let mut output = io::stdout();
Dec 12 00:30:34.656 INFO [stderr]     |         ----^^^^^^
Dec 12 00:30:34.656 INFO [stderr]     |         |
Dec 12 00:30:34.656 INFO [stderr]     |         help: remove this `mut`
Dec 12 00:30:34.656 INFO [stderr] 
Dec 12 00:30:34.656 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.656 INFO [stderr]   --> src/main.rs:81:9
Dec 12 00:30:34.656 INFO [stderr]    |
Dec 12 00:30:34.656 INFO [stderr] 81 |         writeln!(output, "{}", header);
Dec 12 00:30:34.656 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.656 INFO [stderr]    |
Dec 12 00:30:34.656 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 00:30:34.656 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.656 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 12 00:30:34.656 INFO [stderr] 
Dec 12 00:30:34.656 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.656 INFO [stderr]   --> src/main.rs:83:13
Dec 12 00:30:34.656 INFO [stderr]    |
Dec 12 00:30:34.656 INFO [stderr] 83 |             writeln!(output, "\t{}", change);
Dec 12 00:30:34.656 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.656 INFO [stderr]    |
Dec 12 00:30:34.656 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.656 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 12 00:30:34.656 INFO [stderr] 
Dec 12 00:30:34.656 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.656 INFO [stderr]   --> src/main.rs:85:9
Dec 12 00:30:34.656 INFO [stderr]    |
Dec 12 00:30:34.656 INFO [stderr] 85 |         writeln!(output);
Dec 12 00:30:34.656 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.657 INFO [stderr]    |
Dec 12 00:30:34.657 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.657 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 12 00:30:34.657 INFO [stderr] 
Dec 12 00:30:34.657 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.657 INFO [stderr]    --> src/main.rs:101:9
Dec 12 00:30:34.657 INFO [stderr]     |
Dec 12 00:30:34.657 INFO [stderr] 101 |         writeln!(output, "No changes");
Dec 12 00:30:34.657 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.657 INFO [stderr]     |
Dec 12 00:30:34.657 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.657 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 12 00:30:34.657 INFO [stderr] 
Dec 12 00:30:34.657 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:30:34.657 INFO [stderr]    --> src/main.rs:114:5
Dec 12 00:30:34.657 INFO [stderr]     |
Dec 12 00:30:34.657 INFO [stderr] 114 |     write!(&tty, "Would you like to make the changes described above (y/n)? ");
Dec 12 00:30:34.657 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:30:34.657 INFO [stderr]     |
Dec 12 00:30:34.657 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:30:34.657 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 12 00:30:34.657 INFO [stderr] 
Dec 12 00:30:34.700 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 12 00:30:34.700 INFO [stderr] su: No module specific data is present
Dec 12 00:30:35.292 INFO running `"docker" "inspect" "eb3125e71ece30d2b02d6a3721772a5693c5948539d7eb5a8780d088bab4efbf"`
Dec 12 00:30:35.436 INFO running `"docker" "rm" "-f" "eb3125e71ece30d2b02d6a3721772a5693c5948539d7eb5a8780d088bab4efbf"`
Dec 12 00:30:35.584 INFO [stdout] eb3125e71ece30d2b02d6a3721772a5693c5948539d7eb5a8780d088bab4efbf