Nov 17 11:40:50.231 INFO testing StephenAshmore/synth against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 11:40:50.231 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 11:40:50.547 INFO [stdout] ec3b5c82c2a101975bacc87da6a869d783b7d6a0280f9909ee5a539858d29ef2
Nov 17 11:40:50.550 INFO running `"docker" "start" "-a" "ec3b5c82c2a101975bacc87da6a869d783b7d6a0280f9909ee5a539858d29ef2"`
Nov 17 11:40:51.154 INFO [stderr] usermod: no changes
Nov 17 11:40:51.191 INFO [stderr]    Compiling terminal_size v0.1.7
Nov 17 11:40:51.473 INFO [stderr]    Compiling synth v0.1.0 (/source)
Nov 17 11:40:51.691 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Nov 17 11:40:51.693 INFO [stderr]  --> src/main.rs:3:23
Nov 17 11:40:51.693 INFO [stderr]   |
Nov 17 11:40:51.693 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Nov 17 11:40:51.693 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Nov 17 11:40:51.693 INFO [stderr]   |
Nov 17 11:40:51.693 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 11:40:51.693 INFO [stderr] 
Nov 17 11:40:51.693 INFO [stderr] warning: unused import: `std::sync::mpsc`
Nov 17 11:40:51.693 INFO [stderr]  --> src/cli/interface.rs:3:5
Nov 17 11:40:51.693 INFO [stderr]   |
Nov 17 11:40:51.693 INFO [stderr] 3 | use std::sync::mpsc;
Nov 17 11:40:51.693 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 17 11:40:51.693 INFO [stderr] 
Nov 17 11:40:51.693 INFO [stderr] warning: unused import: `BufRead`
Nov 17 11:40:51.693 INFO [stderr]  --> src/cli/display.rs:1:28
Nov 17 11:40:51.693 INFO [stderr]   |
Nov 17 11:40:51.693 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Nov 17 11:40:51.693 INFO [stderr]   |                            ^^^^^^^
Nov 17 11:40:51.693 INFO [stderr] 
Nov 17 11:40:51.775 INFO [stderr] warning: unused variable: `error`
Nov 17 11:40:51.775 INFO [stderr]   --> src/cli/display.rs:41:21
Nov 17 11:40:51.775 INFO [stderr]    |
Nov 17 11:40:51.775 INFO [stderr] 41 |                 Err(error) => String::from(""),
Nov 17 11:40:51.775 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Nov 17 11:40:51.775 INFO [stderr]    |
Nov 17 11:40:51.775 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 11:40:51.775 INFO [stderr] 
Nov 17 11:40:51.775 INFO [stderr] warning: unused variable: `buffer_pointer`
Nov 17 11:40:51.775 INFO [stderr]   --> src/cli/display.rs:57:17
Nov 17 11:40:51.775 INFO [stderr]    |
Nov 17 11:40:51.775 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Nov 17 11:40:51.775 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Nov 17 11:40:51.775 INFO [stderr] 
Nov 17 11:40:51.775 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:40:51.775 INFO [stderr]   --> src/main.rs:12:9
Nov 17 11:40:51.775 INFO [stderr]    |
Nov 17 11:40:51.775 INFO [stderr] 12 |     let mut user_finished = false;
Nov 17 11:40:51.775 INFO [stderr]    |         ----^^^^^^^^^^^^^
Nov 17 11:40:51.775 INFO [stderr]    |         |
Nov 17 11:40:51.775 INFO [stderr]    |         help: remove this `mut`
Nov 17 11:40:51.775 INFO [stderr]    |
Nov 17 11:40:51.775 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 11:40:51.775 INFO [stderr] 
Nov 17 11:40:51.803 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:40:51.803 INFO [stderr]   --> src/cli/display.rs:57:13
Nov 17 11:40:51.803 INFO [stderr]    |
Nov 17 11:40:51.803 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Nov 17 11:40:51.803 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Nov 17 11:40:51.803 INFO [stderr]    |             |
Nov 17 11:40:51.803 INFO [stderr]    |             help: remove this `mut`
Nov 17 11:40:51.803 INFO [stderr] 
Nov 17 11:40:51.803 INFO [stderr] warning: field is never used: `m_sender`
Nov 17 11:40:51.803 INFO [stderr]  --> src/cli/interface.rs:7:5
Nov 17 11:40:51.803 INFO [stderr]   |
Nov 17 11:40:51.803 INFO [stderr] 7 |     m_sender: Sender<String>,
Nov 17 11:40:51.803 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:40:51.803 INFO [stderr]   |
Nov 17 11:40:51.803 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 11:40:51.803 INFO [stderr] 
Nov 17 11:40:51.805 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:40:51.805 INFO [stderr]   --> src/cli/display.rs:93:9
Nov 17 11:40:51.805 INFO [stderr]    |
Nov 17 11:40:51.805 INFO [stderr] 93 |         io::stdout().flush();
Nov 17 11:40:51.805 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:40:51.805 INFO [stderr]    |
Nov 17 11:40:51.805 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 11:40:51.805 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:40:51.805 INFO [stderr] 
Nov 17 11:40:52.963 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
Nov 17 11:40:52.967 INFO [stderr] su: No module specific data is present
Nov 17 11:40:53.658 INFO running `"docker" "inspect" "ec3b5c82c2a101975bacc87da6a869d783b7d6a0280f9909ee5a539858d29ef2"`
Nov 17 11:40:53.956 INFO running `"docker" "rm" "-f" "ec3b5c82c2a101975bacc87da6a869d783b7d6a0280f9909ee5a539858d29ef2"`
Nov 17 11:40:54.299 INFO [stdout] ec3b5c82c2a101975bacc87da6a869d783b7d6a0280f9909ee5a539858d29ef2
Nov 17 11:40:54.309 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 11:40:54.785 INFO [stdout] 53ab9e771f6f6303b60bb57ebeefa9935dde234d57cf3def5600f2159371c6bf
Nov 17 11:40:54.787 INFO running `"docker" "start" "-a" "53ab9e771f6f6303b60bb57ebeefa9935dde234d57cf3def5600f2159371c6bf"`
Nov 17 11:40:56.319 INFO [stderr] usermod: no changes
Nov 17 11:40:56.391 INFO [stderr]    Compiling synth v0.1.0 (/source)
Nov 17 11:40:56.815 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Nov 17 11:40:56.815 INFO [stderr]  --> src/main.rs:3:23
Nov 17 11:40:56.815 INFO [stderr]   |
Nov 17 11:40:56.815 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Nov 17 11:40:56.815 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Nov 17 11:40:56.815 INFO [stderr]   |
Nov 17 11:40:56.815 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 11:40:56.815 INFO [stderr] 
Nov 17 11:40:56.815 INFO [stderr] warning: unused import: `std::sync::mpsc`
Nov 17 11:40:56.815 INFO [stderr]  --> src/cli/interface.rs:3:5
Nov 17 11:40:56.815 INFO [stderr]   |
Nov 17 11:40:56.815 INFO [stderr] 3 | use std::sync::mpsc;
Nov 17 11:40:56.815 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 17 11:40:56.815 INFO [stderr] 
Nov 17 11:40:56.815 INFO [stderr] warning: unused import: `BufRead`
Nov 17 11:40:56.815 INFO [stderr]  --> src/cli/display.rs:1:28
Nov 17 11:40:56.815 INFO [stderr]   |
Nov 17 11:40:56.815 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Nov 17 11:40:56.815 INFO [stderr]   |                            ^^^^^^^
Nov 17 11:40:56.815 INFO [stderr] 
Nov 17 11:40:56.874 INFO [stderr] warning: unused variable: `error`
Nov 17 11:40:56.874 INFO [stderr]   --> src/cli/display.rs:41:21
Nov 17 11:40:56.874 INFO [stderr]    |
Nov 17 11:40:56.874 INFO [stderr] 41 |                 Err(error) => String::from(""),
Nov 17 11:40:56.874 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Nov 17 11:40:56.874 INFO [stderr]    |
Nov 17 11:40:56.874 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 11:40:56.874 INFO [stderr] 
Nov 17 11:40:56.874 INFO [stderr] warning: unused variable: `buffer_pointer`
Nov 17 11:40:56.874 INFO [stderr]   --> src/cli/display.rs:57:17
Nov 17 11:40:56.874 INFO [stderr]    |
Nov 17 11:40:56.874 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Nov 17 11:40:56.874 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Nov 17 11:40:56.874 INFO [stderr] 
Nov 17 11:40:56.887 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:40:56.887 INFO [stderr]   --> src/main.rs:12:9
Nov 17 11:40:56.887 INFO [stderr]    |
Nov 17 11:40:56.887 INFO [stderr] 12 |     let mut user_finished = false;
Nov 17 11:40:56.887 INFO [stderr]    |         ----^^^^^^^^^^^^^
Nov 17 11:40:56.887 INFO [stderr]    |         |
Nov 17 11:40:56.887 INFO [stderr]    |         help: remove this `mut`
Nov 17 11:40:56.887 INFO [stderr]    |
Nov 17 11:40:56.887 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 11:40:56.887 INFO [stderr] 
Nov 17 11:40:56.899 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:40:56.899 INFO [stderr]   --> src/cli/display.rs:57:13
Nov 17 11:40:56.899 INFO [stderr]    |
Nov 17 11:40:56.899 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Nov 17 11:40:56.899 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Nov 17 11:40:56.899 INFO [stderr]    |             |
Nov 17 11:40:56.899 INFO [stderr]    |             help: remove this `mut`
Nov 17 11:40:56.899 INFO [stderr] 
Nov 17 11:40:56.899 INFO [stderr] warning: field is never used: `m_sender`
Nov 17 11:40:56.899 INFO [stderr]  --> src/cli/interface.rs:7:5
Nov 17 11:40:56.899 INFO [stderr]   |
Nov 17 11:40:56.899 INFO [stderr] 7 |     m_sender: Sender<String>,
Nov 17 11:40:56.899 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:40:56.899 INFO [stderr]   |
Nov 17 11:40:56.899 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 11:40:56.899 INFO [stderr] 
Nov 17 11:40:56.906 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:40:56.906 INFO [stderr]   --> src/cli/display.rs:93:9
Nov 17 11:40:56.906 INFO [stderr]    |
Nov 17 11:40:56.906 INFO [stderr] 93 |         io::stdout().flush();
Nov 17 11:40:56.906 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:40:56.906 INFO [stderr]    |
Nov 17 11:40:56.911 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 11:40:56.911 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:40:56.911 INFO [stderr] 
Nov 17 11:40:57.251 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 17 11:40:57.255 INFO [stderr] su: No module specific data is present
Nov 17 11:40:57.821 INFO running `"docker" "inspect" "53ab9e771f6f6303b60bb57ebeefa9935dde234d57cf3def5600f2159371c6bf"`
Nov 17 11:40:58.116 INFO running `"docker" "rm" "-f" "53ab9e771f6f6303b60bb57ebeefa9935dde234d57cf3def5600f2159371c6bf"`
Nov 17 11:40:58.396 INFO [stdout] 53ab9e771f6f6303b60bb57ebeefa9935dde234d57cf3def5600f2159371c6bf
Nov 17 11:40:58.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 11:40:58.743 INFO [stdout] 1459cde98c2e2be406012779fc10b26e0220a646be2484a856c7f4a1927f13cc
Nov 17 11:40:58.752 INFO running `"docker" "start" "-a" "1459cde98c2e2be406012779fc10b26e0220a646be2484a856c7f4a1927f13cc"`
Nov 17 11:40:59.870 INFO [stderr] usermod: no changes
Nov 17 11:40:59.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Nov 17 11:40:59.987 INFO [stderr]      Running /target/debug/deps/synth-8a29aa949e0798f6
Nov 17 11:40:59.995 INFO [stdout] 
Nov 17 11:40:59.995 INFO [stdout] running 0 tests
Nov 17 11:40:59.995 INFO [stdout] 
Nov 17 11:40:59.995 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 11:40:59.995 INFO [stdout] 
Nov 17 11:40:59.996 INFO [stderr] su: No module specific data is present
Nov 17 11:41:00.557 INFO running `"docker" "inspect" "1459cde98c2e2be406012779fc10b26e0220a646be2484a856c7f4a1927f13cc"`
Nov 17 11:41:00.903 INFO running `"docker" "rm" "-f" "1459cde98c2e2be406012779fc10b26e0220a646be2484a856c7f4a1927f13cc"`
Nov 17 11:41:01.178 INFO [stdout] 1459cde98c2e2be406012779fc10b26e0220a646be2484a856c7f4a1927f13cc