Nov 17 11:40:49.789 INFO testing StephenAshmore/synth against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 11:40:49.791 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 11:40:50.119 INFO [stdout] 60fad2daec976a877f6c75ce1c89ee1f5dc89c197266b555357ab9d97e7dcaaa
Nov 17 11:40:50.127 INFO running `"docker" "start" "-a" "60fad2daec976a877f6c75ce1c89ee1f5dc89c197266b555357ab9d97e7dcaaa"`
Nov 17 11:40:50.623 INFO [stderr] usermod: no changes
Nov 17 11:40:50.658 INFO [stderr]    Compiling terminal_size v0.1.7
Nov 17 11:40:51.032 INFO [stderr]    Compiling synth v0.1.0 (/source)
Nov 17 11:40:51.302 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Nov 17 11:40:51.302 INFO [stderr]  --> src/main.rs:3:23
Nov 17 11:40:51.303 INFO [stderr]   |
Nov 17 11:40:51.303 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Nov 17 11:40:51.303 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Nov 17 11:40:51.303 INFO [stderr]   |
Nov 17 11:40:51.303 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 11:40:51.303 INFO [stderr] 
Nov 17 11:40:51.303 INFO [stderr] warning: unused import: `std::sync::mpsc`
Nov 17 11:40:51.303 INFO [stderr]  --> src/cli/interface.rs:3:5
Nov 17 11:40:51.303 INFO [stderr]   |
Nov 17 11:40:51.303 INFO [stderr] 3 | use std::sync::mpsc;
Nov 17 11:40:51.303 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 17 11:40:51.303 INFO [stderr] 
Nov 17 11:40:51.303 INFO [stderr] warning: unused import: `BufRead`
Nov 17 11:40:51.303 INFO [stderr]  --> src/cli/display.rs:1:28
Nov 17 11:40:51.303 INFO [stderr]   |
Nov 17 11:40:51.303 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Nov 17 11:40:51.303 INFO [stderr]   |                            ^^^^^^^
Nov 17 11:40:51.303 INFO [stderr] 
Nov 17 11:40:51.371 INFO [stderr] warning: unused variable: `error`
Nov 17 11:40:51.371 INFO [stderr]   --> src/cli/display.rs:41:21
Nov 17 11:40:51.371 INFO [stderr]    |
Nov 17 11:40:51.371 INFO [stderr] 41 |                 Err(error) => String::from(""),
Nov 17 11:40:51.371 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Nov 17 11:40:51.371 INFO [stderr]    |
Nov 17 11:40:51.371 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 11:40:51.371 INFO [stderr] 
Nov 17 11:40:51.371 INFO [stderr] warning: unused variable: `buffer_pointer`
Nov 17 11:40:51.372 INFO [stderr]   --> src/cli/display.rs:57:17
Nov 17 11:40:51.372 INFO [stderr]    |
Nov 17 11:40:51.372 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Nov 17 11:40:51.372 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Nov 17 11:40:51.372 INFO [stderr] 
Nov 17 11:40:51.372 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:40:51.372 INFO [stderr]   --> src/main.rs:12:9
Nov 17 11:40:51.372 INFO [stderr]    |
Nov 17 11:40:51.372 INFO [stderr] 12 |     let mut user_finished = false;
Nov 17 11:40:51.372 INFO [stderr]    |         ----^^^^^^^^^^^^^
Nov 17 11:40:51.372 INFO [stderr]    |         |
Nov 17 11:40:51.372 INFO [stderr]    |         help: remove this `mut`
Nov 17 11:40:51.372 INFO [stderr]    |
Nov 17 11:40:51.372 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 11:40:51.372 INFO [stderr] 
Nov 17 11:40:51.378 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:40:51.378 INFO [stderr]   --> src/cli/display.rs:57:13
Nov 17 11:40:51.378 INFO [stderr]    |
Nov 17 11:40:51.378 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Nov 17 11:40:51.378 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Nov 17 11:40:51.378 INFO [stderr]    |             |
Nov 17 11:40:51.378 INFO [stderr]    |             help: remove this `mut`
Nov 17 11:40:51.378 INFO [stderr] 
Nov 17 11:40:51.383 INFO [stderr] warning: field is never used: `m_sender`
Nov 17 11:40:51.383 INFO [stderr]  --> src/cli/interface.rs:7:5
Nov 17 11:40:51.383 INFO [stderr]   |
Nov 17 11:40:51.383 INFO [stderr] 7 |     m_sender: Sender<String>,
Nov 17 11:40:51.383 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:40:51.383 INFO [stderr]   |
Nov 17 11:40:51.383 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 11:40:51.383 INFO [stderr] 
Nov 17 11:40:51.392 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:40:51.392 INFO [stderr]   --> src/cli/display.rs:93:9
Nov 17 11:40:51.392 INFO [stderr]    |
Nov 17 11:40:51.392 INFO [stderr] 93 |         io::stdout().flush();
Nov 17 11:40:51.392 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:40:51.392 INFO [stderr]    |
Nov 17 11:40:51.392 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 11:40:51.392 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:40:51.392 INFO [stderr] 
Nov 17 11:40:52.427 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
Nov 17 11:40:52.431 INFO [stderr] su: No module specific data is present
Nov 17 11:40:53.133 INFO running `"docker" "inspect" "60fad2daec976a877f6c75ce1c89ee1f5dc89c197266b555357ab9d97e7dcaaa"`
Nov 17 11:40:53.466 INFO running `"docker" "rm" "-f" "60fad2daec976a877f6c75ce1c89ee1f5dc89c197266b555357ab9d97e7dcaaa"`
Nov 17 11:40:53.760 INFO [stdout] 60fad2daec976a877f6c75ce1c89ee1f5dc89c197266b555357ab9d97e7dcaaa
Nov 17 11:40:53.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 11:40:54.126 INFO [stdout] ec131161a09802e3b1afd35f951297860f2d37e50e7dbff3d31910653f3adfed
Nov 17 11:40:54.135 INFO running `"docker" "start" "-a" "ec131161a09802e3b1afd35f951297860f2d37e50e7dbff3d31910653f3adfed"`
Nov 17 11:40:55.246 INFO [stderr] usermod: no changes
Nov 17 11:40:55.347 INFO [stderr]    Compiling synth v0.1.0 (/source)
Nov 17 11:40:55.860 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Nov 17 11:40:55.860 INFO [stderr]  --> src/main.rs:3:23
Nov 17 11:40:55.860 INFO [stderr]   |
Nov 17 11:40:55.860 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Nov 17 11:40:55.860 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Nov 17 11:40:55.860 INFO [stderr]   |
Nov 17 11:40:55.860 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 11:40:55.860 INFO [stderr] 
Nov 17 11:40:55.860 INFO [stderr] warning: unused import: `std::sync::mpsc`
Nov 17 11:40:55.860 INFO [stderr]  --> src/cli/interface.rs:3:5
Nov 17 11:40:55.860 INFO [stderr]   |
Nov 17 11:40:55.860 INFO [stderr] 3 | use std::sync::mpsc;
Nov 17 11:40:55.860 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 17 11:40:55.860 INFO [stderr] 
Nov 17 11:40:55.860 INFO [stderr] warning: unused import: `BufRead`
Nov 17 11:40:55.860 INFO [stderr]  --> src/cli/display.rs:1:28
Nov 17 11:40:55.860 INFO [stderr]   |
Nov 17 11:40:55.860 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Nov 17 11:40:55.860 INFO [stderr]   |                            ^^^^^^^
Nov 17 11:40:55.860 INFO [stderr] 
Nov 17 11:40:55.920 INFO [stderr] warning: unused variable: `error`
Nov 17 11:40:55.920 INFO [stderr]   --> src/cli/display.rs:41:21
Nov 17 11:40:55.920 INFO [stderr]    |
Nov 17 11:40:55.920 INFO [stderr] 41 |                 Err(error) => String::from(""),
Nov 17 11:40:55.920 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Nov 17 11:40:55.921 INFO [stderr]    |
Nov 17 11:40:55.921 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 11:40:55.921 INFO [stderr] 
Nov 17 11:40:55.921 INFO [stderr] warning: unused variable: `buffer_pointer`
Nov 17 11:40:55.921 INFO [stderr]   --> src/cli/display.rs:57:17
Nov 17 11:40:55.921 INFO [stderr]    |
Nov 17 11:40:55.921 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Nov 17 11:40:55.922 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Nov 17 11:40:55.922 INFO [stderr] 
Nov 17 11:40:55.928 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:40:55.929 INFO [stderr]   --> src/main.rs:12:9
Nov 17 11:40:55.929 INFO [stderr]    |
Nov 17 11:40:55.929 INFO [stderr] 12 |     let mut user_finished = false;
Nov 17 11:40:55.929 INFO [stderr]    |         ----^^^^^^^^^^^^^
Nov 17 11:40:55.929 INFO [stderr]    |         |
Nov 17 11:40:55.930 INFO [stderr]    |         help: remove this `mut`
Nov 17 11:40:55.930 INFO [stderr]    |
Nov 17 11:40:55.930 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 11:40:55.931 INFO [stderr] 
Nov 17 11:40:55.952 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:40:55.952 INFO [stderr]   --> src/cli/display.rs:57:13
Nov 17 11:40:55.952 INFO [stderr]    |
Nov 17 11:40:55.952 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Nov 17 11:40:55.953 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Nov 17 11:40:55.953 INFO [stderr]    |             |
Nov 17 11:40:55.953 INFO [stderr]    |             help: remove this `mut`
Nov 17 11:40:55.953 INFO [stderr] 
Nov 17 11:40:55.957 INFO [stderr] warning: field is never used: `m_sender`
Nov 17 11:40:55.957 INFO [stderr]  --> src/cli/interface.rs:7:5
Nov 17 11:40:55.957 INFO [stderr]   |
Nov 17 11:40:55.957 INFO [stderr] 7 |     m_sender: Sender<String>,
Nov 17 11:40:55.957 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:40:55.963 INFO [stderr]   |
Nov 17 11:40:55.963 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 11:40:55.963 INFO [stderr] 
Nov 17 11:40:55.979 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:40:55.979 INFO [stderr]   --> src/cli/display.rs:93:9
Nov 17 11:40:55.979 INFO [stderr]    |
Nov 17 11:40:55.979 INFO [stderr] 93 |         io::stdout().flush();
Nov 17 11:40:55.979 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:40:55.979 INFO [stderr]    |
Nov 17 11:40:55.979 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 11:40:55.979 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:40:55.979 INFO [stderr] 
Nov 17 11:40:56.407 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Nov 17 11:40:56.411 INFO [stderr] su: No module specific data is present
Nov 17 11:40:57.579 INFO running `"docker" "inspect" "ec131161a09802e3b1afd35f951297860f2d37e50e7dbff3d31910653f3adfed"`
Nov 17 11:40:57.829 INFO running `"docker" "rm" "-f" "ec131161a09802e3b1afd35f951297860f2d37e50e7dbff3d31910653f3adfed"`
Nov 17 11:40:58.083 INFO [stdout] ec131161a09802e3b1afd35f951297860f2d37e50e7dbff3d31910653f3adfed
Nov 17 11:40:58.090 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 11:40:58.589 INFO [stdout] 9ad4dfda0c895937464a2d5ba1edf918f99fb585b58965a50d241f3dab9da56e
Nov 17 11:40:58.590 INFO running `"docker" "start" "-a" "9ad4dfda0c895937464a2d5ba1edf918f99fb585b58965a50d241f3dab9da56e"`
Nov 17 11:40:59.531 INFO [stderr] usermod: no changes
Nov 17 11:40:59.647 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Nov 17 11:40:59.663 INFO [stderr]      Running /target/debug/deps/synth-1fba98d31b506a23
Nov 17 11:40:59.663 INFO [stdout] 
Nov 17 11:40:59.663 INFO [stdout] running 0 tests
Nov 17 11:40:59.663 INFO [stdout] 
Nov 17 11:40:59.663 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 11:40:59.663 INFO [stdout] 
Nov 17 11:40:59.679 INFO [stderr] su: No module specific data is present
Nov 17 11:41:00.359 INFO running `"docker" "inspect" "9ad4dfda0c895937464a2d5ba1edf918f99fb585b58965a50d241f3dab9da56e"`
Nov 17 11:41:00.687 INFO running `"docker" "rm" "-f" "9ad4dfda0c895937464a2d5ba1edf918f99fb585b58965a50d241f3dab9da56e"`
Nov 17 11:41:01.035 INFO [stdout] 9ad4dfda0c895937464a2d5ba1edf918f99fb585b58965a50d241f3dab9da56e