Dec 06 09:32:30.403 INFO testing StephenAshmore/synth against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 09:32:30.404 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 09:32:30.696 INFO [stdout] 455b047ba382cc0961ef297d200adf1ce267a15d2c0e036286c70b99b5a43784
Dec 06 09:32:30.708 INFO running `"docker" "start" "-a" "455b047ba382cc0961ef297d200adf1ce267a15d2c0e036286c70b99b5a43784"`
Dec 06 09:32:31.787 INFO [stderr] usermod: no changes
Dec 06 09:32:31.856 INFO [stderr]    Compiling terminal_size v0.1.7
Dec 06 09:32:32.256 INFO [stderr]    Compiling synth v0.1.0 (/source)
Dec 06 09:32:32.562 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 06 09:32:32.562 INFO [stderr]  --> src/main.rs:3:23
Dec 06 09:32:32.562 INFO [stderr]   |
Dec 06 09:32:32.563 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 06 09:32:32.563 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 06 09:32:32.563 INFO [stderr]   |
Dec 06 09:32:32.563 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 09:32:32.563 INFO [stderr] 
Dec 06 09:32:32.563 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 06 09:32:32.563 INFO [stderr]  --> src/cli/interface.rs:3:5
Dec 06 09:32:32.563 INFO [stderr]   |
Dec 06 09:32:32.563 INFO [stderr] 3 | use std::sync::mpsc;
Dec 06 09:32:32.563 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 06 09:32:32.563 INFO [stderr] 
Dec 06 09:32:32.563 INFO [stderr] warning: unused import: `BufRead`
Dec 06 09:32:32.563 INFO [stderr]  --> src/cli/display.rs:1:28
Dec 06 09:32:32.563 INFO [stderr]   |
Dec 06 09:32:32.563 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Dec 06 09:32:32.563 INFO [stderr]   |                            ^^^^^^^
Dec 06 09:32:32.563 INFO [stderr] 
Dec 06 09:32:32.615 INFO [stderr] warning: unused variable: `error`
Dec 06 09:32:32.615 INFO [stderr]   --> src/cli/display.rs:41:21
Dec 06 09:32:32.615 INFO [stderr]    |
Dec 06 09:32:32.615 INFO [stderr] 41 |                 Err(error) => String::from(""),
Dec 06 09:32:32.615 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Dec 06 09:32:32.615 INFO [stderr]    |
Dec 06 09:32:32.615 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 09:32:32.615 INFO [stderr] 
Dec 06 09:32:32.615 INFO [stderr] warning: unused variable: `buffer_pointer`
Dec 06 09:32:32.615 INFO [stderr]   --> src/cli/display.rs:57:17
Dec 06 09:32:32.615 INFO [stderr]    |
Dec 06 09:32:32.615 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 06 09:32:32.615 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Dec 06 09:32:32.615 INFO [stderr] 
Dec 06 09:32:32.619 INFO [stderr] warning: variable does not need to be mutable
Dec 06 09:32:32.619 INFO [stderr]   --> src/main.rs:12:9
Dec 06 09:32:32.619 INFO [stderr]    |
Dec 06 09:32:32.619 INFO [stderr] 12 |     let mut user_finished = false;
Dec 06 09:32:32.619 INFO [stderr]    |         ----^^^^^^^^^^^^^
Dec 06 09:32:32.619 INFO [stderr]    |         |
Dec 06 09:32:32.619 INFO [stderr]    |         help: remove this `mut`
Dec 06 09:32:32.619 INFO [stderr]    |
Dec 06 09:32:32.619 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 09:32:32.619 INFO [stderr] 
Dec 06 09:32:32.630 INFO [stderr] warning: variable does not need to be mutable
Dec 06 09:32:32.630 INFO [stderr]   --> src/cli/display.rs:57:13
Dec 06 09:32:32.630 INFO [stderr]    |
Dec 06 09:32:32.630 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 06 09:32:32.630 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 06 09:32:32.630 INFO [stderr]    |             |
Dec 06 09:32:32.630 INFO [stderr]    |             help: remove this `mut`
Dec 06 09:32:32.630 INFO [stderr] 
Dec 06 09:32:32.634 INFO [stderr] warning: field is never used: `m_sender`
Dec 06 09:32:32.634 INFO [stderr]  --> src/cli/interface.rs:7:5
Dec 06 09:32:32.634 INFO [stderr]   |
Dec 06 09:32:32.634 INFO [stderr] 7 |     m_sender: Sender<String>,
Dec 06 09:32:32.634 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:32:32.634 INFO [stderr]   |
Dec 06 09:32:32.634 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 09:32:32.634 INFO [stderr] 
Dec 06 09:32:32.642 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 09:32:32.642 INFO [stderr]   --> src/cli/display.rs:93:9
Dec 06 09:32:32.642 INFO [stderr]    |
Dec 06 09:32:32.642 INFO [stderr] 93 |         io::stdout().flush();
Dec 06 09:32:32.642 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:32:32.642 INFO [stderr]    |
Dec 06 09:32:32.642 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 09:32:32.642 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 09:32:32.642 INFO [stderr] 
Dec 06 09:32:33.574 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Dec 06 09:32:33.574 INFO [stderr] su: No module specific data is present
Dec 06 09:32:33.906 INFO running `"docker" "inspect" "455b047ba382cc0961ef297d200adf1ce267a15d2c0e036286c70b99b5a43784"`
Dec 06 09:32:34.001 INFO running `"docker" "rm" "-f" "455b047ba382cc0961ef297d200adf1ce267a15d2c0e036286c70b99b5a43784"`
Dec 06 09:32:34.102 INFO [stdout] 455b047ba382cc0961ef297d200adf1ce267a15d2c0e036286c70b99b5a43784
Dec 06 09:32:34.107 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 09:32:34.288 INFO [stdout] cda7da2880fb2f21129716ce4a09ad8f2fbf0b3e346da0f637de2c73a584f706
Dec 06 09:32:34.290 INFO running `"docker" "start" "-a" "cda7da2880fb2f21129716ce4a09ad8f2fbf0b3e346da0f637de2c73a584f706"`
Dec 06 09:32:35.036 INFO [stderr] usermod: no changes
Dec 06 09:32:35.074 INFO [stderr]    Compiling synth v0.1.0 (/source)
Dec 06 09:32:35.316 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 06 09:32:35.316 INFO [stderr]  --> src/main.rs:3:23
Dec 06 09:32:35.316 INFO [stderr]   |
Dec 06 09:32:35.316 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 06 09:32:35.316 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 06 09:32:35.316 INFO [stderr]   |
Dec 06 09:32:35.316 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 09:32:35.316 INFO [stderr] 
Dec 06 09:32:35.316 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 06 09:32:35.316 INFO [stderr]  --> src/cli/interface.rs:3:5
Dec 06 09:32:35.316 INFO [stderr]   |
Dec 06 09:32:35.316 INFO [stderr] 3 | use std::sync::mpsc;
Dec 06 09:32:35.316 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 06 09:32:35.316 INFO [stderr] 
Dec 06 09:32:35.316 INFO [stderr] warning: unused import: `BufRead`
Dec 06 09:32:35.316 INFO [stderr]  --> src/cli/display.rs:1:28
Dec 06 09:32:35.316 INFO [stderr]   |
Dec 06 09:32:35.316 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Dec 06 09:32:35.316 INFO [stderr]   |                            ^^^^^^^
Dec 06 09:32:35.316 INFO [stderr] 
Dec 06 09:32:35.372 INFO [stderr] warning: unused variable: `error`
Dec 06 09:32:35.372 INFO [stderr]   --> src/cli/display.rs:41:21
Dec 06 09:32:35.372 INFO [stderr]    |
Dec 06 09:32:35.372 INFO [stderr] 41 |                 Err(error) => String::from(""),
Dec 06 09:32:35.372 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Dec 06 09:32:35.372 INFO [stderr]    |
Dec 06 09:32:35.372 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 09:32:35.372 INFO [stderr] 
Dec 06 09:32:35.376 INFO [stderr] warning: unused variable: `buffer_pointer`
Dec 06 09:32:35.376 INFO [stderr]   --> src/cli/display.rs:57:17
Dec 06 09:32:35.376 INFO [stderr]    |
Dec 06 09:32:35.376 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 06 09:32:35.376 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Dec 06 09:32:35.376 INFO [stderr] 
Dec 06 09:32:35.376 INFO [stderr] warning: variable does not need to be mutable
Dec 06 09:32:35.376 INFO [stderr]   --> src/main.rs:12:9
Dec 06 09:32:35.376 INFO [stderr]    |
Dec 06 09:32:35.376 INFO [stderr] 12 |     let mut user_finished = false;
Dec 06 09:32:35.376 INFO [stderr]    |         ----^^^^^^^^^^^^^
Dec 06 09:32:35.376 INFO [stderr]    |         |
Dec 06 09:32:35.376 INFO [stderr]    |         help: remove this `mut`
Dec 06 09:32:35.376 INFO [stderr]    |
Dec 06 09:32:35.376 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 09:32:35.376 INFO [stderr] 
Dec 06 09:32:35.384 INFO [stderr] warning: variable does not need to be mutable
Dec 06 09:32:35.384 INFO [stderr]   --> src/cli/display.rs:57:13
Dec 06 09:32:35.384 INFO [stderr]    |
Dec 06 09:32:35.384 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 06 09:32:35.384 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 06 09:32:35.384 INFO [stderr]    |             |
Dec 06 09:32:35.384 INFO [stderr]    |             help: remove this `mut`
Dec 06 09:32:35.384 INFO [stderr] 
Dec 06 09:32:35.384 INFO [stderr] warning: field is never used: `m_sender`
Dec 06 09:32:35.384 INFO [stderr]  --> src/cli/interface.rs:7:5
Dec 06 09:32:35.384 INFO [stderr]   |
Dec 06 09:32:35.384 INFO [stderr] 7 |     m_sender: Sender<String>,
Dec 06 09:32:35.384 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:32:35.384 INFO [stderr]   |
Dec 06 09:32:35.384 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 09:32:35.384 INFO [stderr] 
Dec 06 09:32:35.393 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 09:32:35.393 INFO [stderr]   --> src/cli/display.rs:93:9
Dec 06 09:32:35.393 INFO [stderr]    |
Dec 06 09:32:35.393 INFO [stderr] 93 |         io::stdout().flush();
Dec 06 09:32:35.393 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:32:35.393 INFO [stderr]    |
Dec 06 09:32:35.393 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 09:32:35.393 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 09:32:35.393 INFO [stderr] 
Dec 06 09:32:35.610 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 06 09:32:35.613 INFO [stderr] su: No module specific data is present
Dec 06 09:32:35.905 INFO running `"docker" "inspect" "cda7da2880fb2f21129716ce4a09ad8f2fbf0b3e346da0f637de2c73a584f706"`
Dec 06 09:32:35.993 INFO running `"docker" "rm" "-f" "cda7da2880fb2f21129716ce4a09ad8f2fbf0b3e346da0f637de2c73a584f706"`
Dec 06 09:32:36.070 INFO [stdout] cda7da2880fb2f21129716ce4a09ad8f2fbf0b3e346da0f637de2c73a584f706
Dec 06 09:32:36.072 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --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 06 09:32:36.231 INFO [stdout] b78dc46dfd123c597866474879bea76d25264e4404e1757e5d89cacad92ebb26
Dec 06 09:32:36.233 INFO running `"docker" "start" "-a" "b78dc46dfd123c597866474879bea76d25264e4404e1757e5d89cacad92ebb26"`
Dec 06 09:32:36.695 INFO [stderr] usermod: no changes
Dec 06 09:32:36.755 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 09:32:36.765 INFO [stderr]      Running /target/debug/deps/synth-9f406525c2d853f8
Dec 06 09:32:36.768 INFO [stdout] 
Dec 06 09:32:36.768 INFO [stdout] running 0 tests
Dec 06 09:32:36.768 INFO [stdout] 
Dec 06 09:32:36.768 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 09:32:36.768 INFO [stdout] 
Dec 06 09:32:36.769 INFO [stderr] su: No module specific data is present
Dec 06 09:32:37.201 INFO running `"docker" "inspect" "b78dc46dfd123c597866474879bea76d25264e4404e1757e5d89cacad92ebb26"`
Dec 06 09:32:37.287 INFO running `"docker" "rm" "-f" "b78dc46dfd123c597866474879bea76d25264e4404e1757e5d89cacad92ebb26"`
Dec 06 09:32:37.397 INFO [stdout] b78dc46dfd123c597866474879bea76d25264e4404e1757e5d89cacad92ebb26