Dec 14 05:41:56.645 INFO testing StephenAshmore/synth against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 05:41:56.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 05:41:57.200 INFO [stdout] 19c36fa96ac7b1611281b43aa1d05c2d5b987a10dae1810422152b341bf40145
Dec 14 05:41:57.202 INFO running `"docker" "start" "-a" "19c36fa96ac7b1611281b43aa1d05c2d5b987a10dae1810422152b341bf40145"`
Dec 14 05:41:58.322 INFO [stderr] usermod: no changes
Dec 14 05:41:58.383 INFO [stderr]    Compiling terminal_size v0.1.7
Dec 14 05:41:58.951 INFO [stderr]    Compiling synth v0.1.0 (/source)
Dec 14 05:41:59.415 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 14 05:41:59.415 INFO [stderr]  --> src/main.rs:3:23
Dec 14 05:41:59.415 INFO [stderr]   |
Dec 14 05:41:59.415 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 14 05:41:59.415 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 14 05:41:59.415 INFO [stderr]   |
Dec 14 05:41:59.415 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 05:41:59.415 INFO [stderr] 
Dec 14 05:41:59.415 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 14 05:41:59.415 INFO [stderr]  --> src/cli/interface.rs:3:5
Dec 14 05:41:59.415 INFO [stderr]   |
Dec 14 05:41:59.415 INFO [stderr] 3 | use std::sync::mpsc;
Dec 14 05:41:59.415 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 05:41:59.415 INFO [stderr] 
Dec 14 05:41:59.415 INFO [stderr] warning: unused import: `BufRead`
Dec 14 05:41:59.415 INFO [stderr]  --> src/cli/display.rs:1:28
Dec 14 05:41:59.415 INFO [stderr]   |
Dec 14 05:41:59.415 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Dec 14 05:41:59.415 INFO [stderr]   |                            ^^^^^^^
Dec 14 05:41:59.415 INFO [stderr] 
Dec 14 05:41:59.466 INFO [stderr] warning: unused variable: `error`
Dec 14 05:41:59.466 INFO [stderr]   --> src/cli/display.rs:41:21
Dec 14 05:41:59.466 INFO [stderr]    |
Dec 14 05:41:59.466 INFO [stderr] 41 |                 Err(error) => String::from(""),
Dec 14 05:41:59.466 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Dec 14 05:41:59.466 INFO [stderr]    |
Dec 14 05:41:59.466 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 05:41:59.466 INFO [stderr] 
Dec 14 05:41:59.466 INFO [stderr] warning: unused variable: `buffer_pointer`
Dec 14 05:41:59.466 INFO [stderr]   --> src/cli/display.rs:57:17
Dec 14 05:41:59.466 INFO [stderr]    |
Dec 14 05:41:59.466 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 14 05:41:59.466 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Dec 14 05:41:59.466 INFO [stderr] 
Dec 14 05:41:59.468 INFO [stderr] warning: variable does not need to be mutable
Dec 14 05:41:59.468 INFO [stderr]   --> src/main.rs:12:9
Dec 14 05:41:59.468 INFO [stderr]    |
Dec 14 05:41:59.468 INFO [stderr] 12 |     let mut user_finished = false;
Dec 14 05:41:59.468 INFO [stderr]    |         ----^^^^^^^^^^^^^
Dec 14 05:41:59.468 INFO [stderr]    |         |
Dec 14 05:41:59.468 INFO [stderr]    |         help: remove this `mut`
Dec 14 05:41:59.468 INFO [stderr]    |
Dec 14 05:41:59.468 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 05:41:59.468 INFO [stderr] 
Dec 14 05:41:59.482 INFO [stderr] warning: variable does not need to be mutable
Dec 14 05:41:59.482 INFO [stderr]   --> src/cli/display.rs:57:13
Dec 14 05:41:59.482 INFO [stderr]    |
Dec 14 05:41:59.482 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 14 05:41:59.482 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 14 05:41:59.482 INFO [stderr]    |             |
Dec 14 05:41:59.482 INFO [stderr]    |             help: remove this `mut`
Dec 14 05:41:59.482 INFO [stderr] 
Dec 14 05:41:59.482 INFO [stderr] warning: field is never used: `m_sender`
Dec 14 05:41:59.482 INFO [stderr]  --> src/cli/interface.rs:7:5
Dec 14 05:41:59.482 INFO [stderr]   |
Dec 14 05:41:59.482 INFO [stderr] 7 |     m_sender: Sender<String>,
Dec 14 05:41:59.482 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 05:41:59.482 INFO [stderr]   |
Dec 14 05:41:59.482 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 05:41:59.482 INFO [stderr] 
Dec 14 05:41:59.495 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 05:41:59.495 INFO [stderr]   --> src/cli/display.rs:93:9
Dec 14 05:41:59.495 INFO [stderr]    |
Dec 14 05:41:59.495 INFO [stderr] 93 |         io::stdout().flush();
Dec 14 05:41:59.495 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 14 05:41:59.495 INFO [stderr]    |
Dec 14 05:41:59.495 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 05:41:59.495 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 05:41:59.495 INFO [stderr] 
Dec 14 05:42:00.852 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Dec 14 05:42:00.855 INFO [stderr] su: No module specific data is present
Dec 14 05:42:01.637 INFO running `"docker" "inspect" "19c36fa96ac7b1611281b43aa1d05c2d5b987a10dae1810422152b341bf40145"`
Dec 14 05:42:02.017 INFO running `"docker" "rm" "-f" "19c36fa96ac7b1611281b43aa1d05c2d5b987a10dae1810422152b341bf40145"`
Dec 14 05:42:02.387 INFO [stdout] 19c36fa96ac7b1611281b43aa1d05c2d5b987a10dae1810422152b341bf40145
Dec 14 05:42:02.395 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 05:42:02.904 INFO [stdout] e06328b1753dc3d03c1ae381b4fd948d2533e92c143cd85db7e462fea0baef93
Dec 14 05:42:02.906 INFO running `"docker" "start" "-a" "e06328b1753dc3d03c1ae381b4fd948d2533e92c143cd85db7e462fea0baef93"`
Dec 14 05:42:04.564 INFO [stderr] usermod: no changes
Dec 14 05:42:04.663 INFO [stderr]    Compiling synth v0.1.0 (/source)
Dec 14 05:42:05.327 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 14 05:42:05.327 INFO [stderr]  --> src/main.rs:3:23
Dec 14 05:42:05.327 INFO [stderr]   |
Dec 14 05:42:05.327 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 14 05:42:05.327 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 14 05:42:05.327 INFO [stderr]   |
Dec 14 05:42:05.327 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 05:42:05.327 INFO [stderr] 
Dec 14 05:42:05.327 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 14 05:42:05.327 INFO [stderr]  --> src/cli/interface.rs:3:5
Dec 14 05:42:05.327 INFO [stderr]   |
Dec 14 05:42:05.327 INFO [stderr] 3 | use std::sync::mpsc;
Dec 14 05:42:05.327 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 05:42:05.327 INFO [stderr] 
Dec 14 05:42:05.327 INFO [stderr] warning: unused import: `BufRead`
Dec 14 05:42:05.327 INFO [stderr]  --> src/cli/display.rs:1:28
Dec 14 05:42:05.327 INFO [stderr]   |
Dec 14 05:42:05.327 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Dec 14 05:42:05.327 INFO [stderr]   |                            ^^^^^^^
Dec 14 05:42:05.327 INFO [stderr] 
Dec 14 05:42:05.383 INFO [stderr] warning: unused variable: `error`
Dec 14 05:42:05.383 INFO [stderr]   --> src/cli/display.rs:41:21
Dec 14 05:42:05.384 INFO [stderr]    |
Dec 14 05:42:05.384 INFO [stderr] 41 |                 Err(error) => String::from(""),
Dec 14 05:42:05.384 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Dec 14 05:42:05.384 INFO [stderr]    |
Dec 14 05:42:05.384 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 05:42:05.384 INFO [stderr] 
Dec 14 05:42:05.384 INFO [stderr] warning: unused variable: `buffer_pointer`
Dec 14 05:42:05.384 INFO [stderr]   --> src/cli/display.rs:57:17
Dec 14 05:42:05.384 INFO [stderr]    |
Dec 14 05:42:05.384 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 14 05:42:05.384 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Dec 14 05:42:05.384 INFO [stderr] 
Dec 14 05:42:05.388 INFO [stderr] warning: variable does not need to be mutable
Dec 14 05:42:05.388 INFO [stderr]   --> src/main.rs:12:9
Dec 14 05:42:05.389 INFO [stderr]    |
Dec 14 05:42:05.391 INFO [stderr] 12 |     let mut user_finished = false;
Dec 14 05:42:05.391 INFO [stderr]    |         ----^^^^^^^^^^^^^
Dec 14 05:42:05.391 INFO [stderr]    |         |
Dec 14 05:42:05.391 INFO [stderr]    |         help: remove this `mut`
Dec 14 05:42:05.391 INFO [stderr]    |
Dec 14 05:42:05.391 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 05:42:05.391 INFO [stderr] 
Dec 14 05:42:05.400 INFO [stderr] warning: variable does not need to be mutable
Dec 14 05:42:05.400 INFO [stderr]   --> src/cli/display.rs:57:13
Dec 14 05:42:05.400 INFO [stderr]    |
Dec 14 05:42:05.403 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 14 05:42:05.403 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 14 05:42:05.403 INFO [stderr]    |             |
Dec 14 05:42:05.403 INFO [stderr]    |             help: remove this `mut`
Dec 14 05:42:05.403 INFO [stderr] 
Dec 14 05:42:05.404 INFO [stderr] warning: field is never used: `m_sender`
Dec 14 05:42:05.404 INFO [stderr]  --> src/cli/interface.rs:7:5
Dec 14 05:42:05.404 INFO [stderr]   |
Dec 14 05:42:05.405 INFO [stderr] 7 |     m_sender: Sender<String>,
Dec 14 05:42:05.405 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 05:42:05.405 INFO [stderr]   |
Dec 14 05:42:05.405 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 05:42:05.405 INFO [stderr] 
Dec 14 05:42:05.413 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 05:42:05.414 INFO [stderr]   --> src/cli/display.rs:93:9
Dec 14 05:42:05.414 INFO [stderr]    |
Dec 14 05:42:05.415 INFO [stderr] 93 |         io::stdout().flush();
Dec 14 05:42:05.415 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 14 05:42:05.415 INFO [stderr]    |
Dec 14 05:42:05.415 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 05:42:05.415 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 05:42:05.415 INFO [stderr] 
Dec 14 05:42:05.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 14 05:42:05.791 INFO [stderr] su: No module specific data is present
Dec 14 05:42:06.470 INFO running `"docker" "inspect" "e06328b1753dc3d03c1ae381b4fd948d2533e92c143cd85db7e462fea0baef93"`
Dec 14 05:42:06.725 INFO running `"docker" "rm" "-f" "e06328b1753dc3d03c1ae381b4fd948d2533e92c143cd85db7e462fea0baef93"`
Dec 14 05:42:07.018 INFO [stdout] e06328b1753dc3d03c1ae381b4fd948d2533e92c143cd85db7e462fea0baef93
Dec 14 05:42:07.025 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 05:42:07.511 INFO [stdout] 45ed3f267cc2872c9085fbfd1f4715f37cd35e48104658605a5c09a591717ff7
Dec 14 05:42:07.515 INFO running `"docker" "start" "-a" "45ed3f267cc2872c9085fbfd1f4715f37cd35e48104658605a5c09a591717ff7"`
Dec 14 05:42:08.655 INFO [stderr] usermod: no changes
Dec 14 05:42:08.731 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 05:42:08.751 INFO [stderr]      Running /target/debug/deps/synth-bfee8cb3c291ee2b
Dec 14 05:42:08.758 INFO [stdout] 
Dec 14 05:42:08.758 INFO [stdout] running 0 tests
Dec 14 05:42:08.758 INFO [stdout] 
Dec 14 05:42:08.758 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 05:42:08.758 INFO [stdout] 
Dec 14 05:42:08.759 INFO [stderr] su: No module specific data is present
Dec 14 05:42:09.656 INFO running `"docker" "inspect" "45ed3f267cc2872c9085fbfd1f4715f37cd35e48104658605a5c09a591717ff7"`
Dec 14 05:42:09.924 INFO running `"docker" "rm" "-f" "45ed3f267cc2872c9085fbfd1f4715f37cd35e48104658605a5c09a591717ff7"`
Dec 14 05:42:10.158 INFO [stdout] 45ed3f267cc2872c9085fbfd1f4715f37cd35e48104658605a5c09a591717ff7