Oct 27 09:38:53.468 INFO checking StephenAshmore/synth against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 09:38:53.468 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 09:38:54.079 INFO blam! 11ca3c7c900342d1f5153d05aaaaa42ca85872f4e33cb06331f04acdb27b969b
Oct 27 09:38:54.085 INFO running `"docker" "start" "-a" "11ca3c7c900342d1f5153d05aaaaa42ca85872f4e33cb06331f04acdb27b969b"`
Oct 27 09:38:55.571 INFO kablam! usermod: no changes
Oct 27 09:38:55.695 INFO kablam!     Checking terminal_size v0.1.7
Oct 27 09:38:56.322 INFO kablam!     Checking synth v0.1.0 (/source)
Oct 27 09:38:57.331 INFO kablam! warning: unused imports: `Receiver`, `Sender`
Oct 27 09:38:57.331 INFO kablam!  --> src/main.rs:3:23
Oct 27 09:38:57.331 INFO kablam!   |
Oct 27 09:38:57.331 INFO kablam! 3 | use std::sync::mpsc::{Sender, Receiver};
Oct 27 09:38:57.331 INFO kablam!   |                       ^^^^^^  ^^^^^^^^
Oct 27 09:38:57.331 INFO kablam!   |
Oct 27 09:38:57.331 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 09:38:57.331 INFO kablam! 
Oct 27 09:38:57.331 INFO kablam! warning: unused import: `std::sync::mpsc`
Oct 27 09:38:57.331 INFO kablam!  --> src/cli/interface.rs:3:5
Oct 27 09:38:57.331 INFO kablam!   |
Oct 27 09:38:57.331 INFO kablam! 3 | use std::sync::mpsc;
Oct 27 09:38:57.331 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 27 09:38:57.331 INFO kablam! 
Oct 27 09:38:57.331 INFO kablam! warning: unused import: `BufRead`
Oct 27 09:38:57.332 INFO kablam!  --> src/cli/display.rs:1:28
Oct 27 09:38:57.332 INFO kablam!   |
Oct 27 09:38:57.332 INFO kablam! 1 | use std::io::{self, Write, BufRead};
Oct 27 09:38:57.332 INFO kablam!   |                            ^^^^^^^
Oct 27 09:38:57.332 INFO kablam! 
Oct 27 09:38:57.416 INFO kablam! warning: unused imports: `Receiver`, `Sender`
Oct 27 09:38:57.416 INFO kablam!  --> src/main.rs:3:23
Oct 27 09:38:57.416 INFO kablam!   |
Oct 27 09:38:57.416 INFO kablam! 3 | use std::sync::mpsc::{Sender, Receiver};
Oct 27 09:38:57.416 INFO kablam!   |                       ^^^^^^  ^^^^^^^^
Oct 27 09:38:57.416 INFO kablam!   |
Oct 27 09:38:57.416 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 09:38:57.416 INFO kablam! 
Oct 27 09:38:57.417 INFO kablam! warning: unused import: `std::sync::mpsc`
Oct 27 09:38:57.417 INFO kablam!  --> src/cli/interface.rs:3:5
Oct 27 09:38:57.417 INFO kablam!   |
Oct 27 09:38:57.417 INFO kablam! 3 | use std::sync::mpsc;
Oct 27 09:38:57.417 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 27 09:38:57.417 INFO kablam! 
Oct 27 09:38:57.417 INFO kablam! warning: unused import: `BufRead`
Oct 27 09:38:57.417 INFO kablam!  --> src/cli/display.rs:1:28
Oct 27 09:38:57.417 INFO kablam!   |
Oct 27 09:38:57.417 INFO kablam! 1 | use std::io::{self, Write, BufRead};
Oct 27 09:38:57.417 INFO kablam!   |                            ^^^^^^^
Oct 27 09:38:57.417 INFO kablam! 
Oct 27 09:38:57.420 INFO kablam! warning: unused variable: `error`
Oct 27 09:38:57.420 INFO kablam!   --> src/cli/display.rs:41:21
Oct 27 09:38:57.420 INFO kablam!    |
Oct 27 09:38:57.420 INFO kablam! 41 |                 Err(error) => String::from(""),
Oct 27 09:38:57.420 INFO kablam!    |                     ^^^^^ help: consider using `_error` instead
Oct 27 09:38:57.421 INFO kablam!    |
Oct 27 09:38:57.421 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 09:38:57.421 INFO kablam! 
Oct 27 09:38:57.421 INFO kablam! warning: unused variable: `buffer_pointer`
Oct 27 09:38:57.421 INFO kablam!   --> src/cli/display.rs:57:17
Oct 27 09:38:57.421 INFO kablam!    |
Oct 27 09:38:57.421 INFO kablam! 57 |         let mut buffer_pointer = 0;
Oct 27 09:38:57.421 INFO kablam!    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Oct 27 09:38:57.421 INFO kablam! 
Oct 27 09:38:57.425 INFO kablam! warning: variable does not need to be mutable
Oct 27 09:38:57.425 INFO kablam!   --> src/main.rs:12:9
Oct 27 09:38:57.425 INFO kablam!    |
Oct 27 09:38:57.425 INFO kablam! 12 |     let mut user_finished = false;
Oct 27 09:38:57.425 INFO kablam!    |         ----^^^^^^^^^^^^^
Oct 27 09:38:57.425 INFO kablam!    |         |
Oct 27 09:38:57.425 INFO kablam!    |         help: remove this `mut`
Oct 27 09:38:57.425 INFO kablam!    |
Oct 27 09:38:57.425 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 09:38:57.426 INFO kablam! 
Oct 27 09:38:57.434 INFO kablam! warning: variable does not need to be mutable
Oct 27 09:38:57.434 INFO kablam!   --> src/cli/display.rs:57:13
Oct 27 09:38:57.434 INFO kablam!    |
Oct 27 09:38:57.434 INFO kablam! 57 |         let mut buffer_pointer = 0;
Oct 27 09:38:57.434 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 27 09:38:57.434 INFO kablam!    |             |
Oct 27 09:38:57.434 INFO kablam!    |             help: remove this `mut`
Oct 27 09:38:57.435 INFO kablam! 
Oct 27 09:38:57.439 INFO kablam! warning: field is never used: `m_sender`
Oct 27 09:38:57.439 INFO kablam!  --> src/cli/interface.rs:7:5
Oct 27 09:38:57.439 INFO kablam!   |
Oct 27 09:38:57.439 INFO kablam! 7 |     m_sender: Sender<String>,
Oct 27 09:38:57.439 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 09:38:57.439 INFO kablam!   |
Oct 27 09:38:57.439 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 09:38:57.440 INFO kablam! 
Oct 27 09:38:57.449 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 09:38:57.449 INFO kablam!   --> src/cli/display.rs:93:9
Oct 27 09:38:57.449 INFO kablam!    |
Oct 27 09:38:57.449 INFO kablam! 93 |         io::stdout().flush();
Oct 27 09:38:57.450 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 27 09:38:57.450 INFO kablam!    |
Oct 27 09:38:57.450 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 09:38:57.450 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 09:38:57.450 INFO kablam! 
Oct 27 09:38:57.559 INFO kablam! warning: unused variable: `error`
Oct 27 09:38:57.559 INFO kablam!   --> src/cli/display.rs:41:21
Oct 27 09:38:57.559 INFO kablam!    |
Oct 27 09:38:57.559 INFO kablam! 41 |                 Err(error) => String::from(""),
Oct 27 09:38:57.560 INFO kablam!    |                     ^^^^^ help: consider using `_error` instead
Oct 27 09:38:57.560 INFO kablam!    |
Oct 27 09:38:57.560 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 09:38:57.560 INFO kablam! 
Oct 27 09:38:57.560 INFO kablam! warning: unused variable: `buffer_pointer`
Oct 27 09:38:57.560 INFO kablam!   --> src/cli/display.rs:57:17
Oct 27 09:38:57.560 INFO kablam!    |
Oct 27 09:38:57.560 INFO kablam! 57 |         let mut buffer_pointer = 0;
Oct 27 09:38:57.560 INFO kablam!    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Oct 27 09:38:57.560 INFO kablam! 
Oct 27 09:38:57.563 INFO kablam! warning: variable does not need to be mutable
Oct 27 09:38:57.563 INFO kablam!   --> src/main.rs:12:9
Oct 27 09:38:57.563 INFO kablam!    |
Oct 27 09:38:57.564 INFO kablam! 12 |     let mut user_finished = false;
Oct 27 09:38:57.564 INFO kablam!    |         ----^^^^^^^^^^^^^
Oct 27 09:38:57.564 INFO kablam!    |         |
Oct 27 09:38:57.564 INFO kablam!    |         help: remove this `mut`
Oct 27 09:38:57.564 INFO kablam!    |
Oct 27 09:38:57.564 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 09:38:57.564 INFO kablam! 
Oct 27 09:38:57.570 INFO kablam! warning: variable does not need to be mutable
Oct 27 09:38:57.570 INFO kablam!   --> src/cli/display.rs:57:13
Oct 27 09:38:57.570 INFO kablam!    |
Oct 27 09:38:57.570 INFO kablam! 57 |         let mut buffer_pointer = 0;
Oct 27 09:38:57.570 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 27 09:38:57.570 INFO kablam!    |             |
Oct 27 09:38:57.570 INFO kablam!    |             help: remove this `mut`
Oct 27 09:38:57.570 INFO kablam! 
Oct 27 09:38:57.581 INFO kablam! warning: field is never used: `m_sender`
Oct 27 09:38:57.581 INFO kablam!  --> src/cli/interface.rs:7:5
Oct 27 09:38:57.581 INFO kablam!   |
Oct 27 09:38:57.581 INFO kablam! 7 |     m_sender: Sender<String>,
Oct 27 09:38:57.581 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 09:38:57.581 INFO kablam!   |
Oct 27 09:38:57.581 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 09:38:57.582 INFO kablam! 
Oct 27 09:38:57.599 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 09:38:57.599 INFO kablam!   --> src/cli/display.rs:93:9
Oct 27 09:38:57.599 INFO kablam!    |
Oct 27 09:38:57.599 INFO kablam! 93 |         io::stdout().flush();
Oct 27 09:38:57.599 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 27 09:38:57.599 INFO kablam!    |
Oct 27 09:38:57.599 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 09:38:57.599 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 09:38:57.599 INFO kablam! 
Oct 27 09:38:57.626 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
Oct 27 09:38:57.628 INFO kablam! su: No module specific data is present
Oct 27 09:38:58.456 INFO running `"docker" "rm" "-f" "11ca3c7c900342d1f5153d05aaaaa42ca85872f4e33cb06331f04acdb27b969b"`
Oct 27 09:38:58.700 INFO blam! 11ca3c7c900342d1f5153d05aaaaa42ca85872f4e33cb06331f04acdb27b969b