Dec 02 03:11:32.520 INFO testing StephenAshmore/synth against 1.30.1 for beta-1.31-5
Dec 02 03:11:32.520 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 03:11:32.934 INFO [stdout] 8800d1c5198151c39a93ceda6fb1d28529881128358f264e24c07ac86e995b04
Dec 02 03:11:32.934 INFO running `"docker" "start" "-a" "8800d1c5198151c39a93ceda6fb1d28529881128358f264e24c07ac86e995b04"`
Dec 02 03:11:33.851 INFO [stderr] usermod: no changes
Dec 02 03:11:33.935 INFO [stderr]    Compiling terminal_size v0.1.7
Dec 02 03:11:34.574 INFO [stderr]    Compiling synth v0.1.0 (/source)
Dec 02 03:11:35.015 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 02 03:11:35.015 INFO [stderr]  --> src/main.rs:3:23
Dec 02 03:11:35.015 INFO [stderr]   |
Dec 02 03:11:35.015 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 02 03:11:35.015 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 02 03:11:35.015 INFO [stderr]   |
Dec 02 03:11:35.015 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 03:11:35.015 INFO [stderr] 
Dec 02 03:11:35.015 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 02 03:11:35.015 INFO [stderr]  --> src/cli/interface.rs:3:5
Dec 02 03:11:35.015 INFO [stderr]   |
Dec 02 03:11:35.015 INFO [stderr] 3 | use std::sync::mpsc;
Dec 02 03:11:35.015 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 02 03:11:35.015 INFO [stderr] 
Dec 02 03:11:35.015 INFO [stderr] warning: unused import: `BufRead`
Dec 02 03:11:35.015 INFO [stderr]  --> src/cli/display.rs:1:28
Dec 02 03:11:35.015 INFO [stderr]   |
Dec 02 03:11:35.015 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Dec 02 03:11:35.015 INFO [stderr]   |                            ^^^^^^^
Dec 02 03:11:35.015 INFO [stderr] 
Dec 02 03:11:35.063 INFO [stderr] warning: unused variable: `error`
Dec 02 03:11:35.063 INFO [stderr]   --> src/cli/display.rs:41:21
Dec 02 03:11:35.063 INFO [stderr]    |
Dec 02 03:11:35.063 INFO [stderr] 41 |                 Err(error) => String::from(""),
Dec 02 03:11:35.063 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Dec 02 03:11:35.063 INFO [stderr]    |
Dec 02 03:11:35.063 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 03:11:35.063 INFO [stderr] 
Dec 02 03:11:35.063 INFO [stderr] warning: unused variable: `buffer_pointer`
Dec 02 03:11:35.063 INFO [stderr]   --> src/cli/display.rs:57:17
Dec 02 03:11:35.063 INFO [stderr]    |
Dec 02 03:11:35.063 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 02 03:11:35.063 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Dec 02 03:11:35.063 INFO [stderr] 
Dec 02 03:11:35.063 INFO [stderr] warning: variable does not need to be mutable
Dec 02 03:11:35.063 INFO [stderr]   --> src/main.rs:12:9
Dec 02 03:11:35.063 INFO [stderr]    |
Dec 02 03:11:35.063 INFO [stderr] 12 |     let mut user_finished = false;
Dec 02 03:11:35.063 INFO [stderr]    |         ----^^^^^^^^^^^^^
Dec 02 03:11:35.063 INFO [stderr]    |         |
Dec 02 03:11:35.063 INFO [stderr]    |         help: remove this `mut`
Dec 02 03:11:35.063 INFO [stderr]    |
Dec 02 03:11:35.063 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 03:11:35.063 INFO [stderr] 
Dec 02 03:11:35.067 INFO [stderr] warning: variable does not need to be mutable
Dec 02 03:11:35.067 INFO [stderr]   --> src/cli/display.rs:57:13
Dec 02 03:11:35.067 INFO [stderr]    |
Dec 02 03:11:35.067 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 02 03:11:35.067 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 02 03:11:35.067 INFO [stderr]    |             |
Dec 02 03:11:35.067 INFO [stderr]    |             help: remove this `mut`
Dec 02 03:11:35.067 INFO [stderr] 
Dec 02 03:11:35.067 INFO [stderr] warning: field is never used: `m_sender`
Dec 02 03:11:35.067 INFO [stderr]  --> src/cli/interface.rs:7:5
Dec 02 03:11:35.067 INFO [stderr]   |
Dec 02 03:11:35.067 INFO [stderr] 7 |     m_sender: Sender<String>,
Dec 02 03:11:35.067 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 03:11:35.067 INFO [stderr]   |
Dec 02 03:11:35.067 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 03:11:35.067 INFO [stderr] 
Dec 02 03:11:35.074 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 02 03:11:35.074 INFO [stderr]   --> src/cli/display.rs:93:9
Dec 02 03:11:35.074 INFO [stderr]    |
Dec 02 03:11:35.074 INFO [stderr] 93 |         io::stdout().flush();
Dec 02 03:11:35.074 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 02 03:11:35.074 INFO [stderr]    |
Dec 02 03:11:35.074 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 03:11:35.074 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 03:11:35.074 INFO [stderr] 
Dec 02 03:11:36.055 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
Dec 02 03:11:36.055 INFO [stderr] su: No module specific data is present
Dec 02 03:11:36.623 INFO running `"docker" "inspect" "8800d1c5198151c39a93ceda6fb1d28529881128358f264e24c07ac86e995b04"`
Dec 02 03:11:36.891 INFO running `"docker" "rm" "-f" "8800d1c5198151c39a93ceda6fb1d28529881128358f264e24c07ac86e995b04"`
Dec 02 03:11:37.167 INFO [stdout] 8800d1c5198151c39a93ceda6fb1d28529881128358f264e24c07ac86e995b04
Dec 02 03:11:37.175 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 03:11:37.607 INFO [stdout] 31423dde9237609dc85df374f04a41b90965a370c873985b95ff6ce8c8e6945a
Dec 02 03:11:37.615 INFO running `"docker" "start" "-a" "31423dde9237609dc85df374f04a41b90965a370c873985b95ff6ce8c8e6945a"`
Dec 02 03:11:39.238 INFO [stderr] usermod: no changes
Dec 02 03:11:39.316 INFO [stderr]    Compiling synth v0.1.0 (/source)
Dec 02 03:11:39.962 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 02 03:11:39.962 INFO [stderr]  --> src/main.rs:3:23
Dec 02 03:11:39.962 INFO [stderr]   |
Dec 02 03:11:39.962 INFO [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
Dec 02 03:11:39.962 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 02 03:11:39.962 INFO [stderr]   |
Dec 02 03:11:39.962 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 03:11:39.962 INFO [stderr] 
Dec 02 03:11:39.962 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 02 03:11:39.962 INFO [stderr]  --> src/cli/interface.rs:3:5
Dec 02 03:11:39.962 INFO [stderr]   |
Dec 02 03:11:39.962 INFO [stderr] 3 | use std::sync::mpsc;
Dec 02 03:11:39.962 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 02 03:11:39.962 INFO [stderr] 
Dec 02 03:11:39.962 INFO [stderr] warning: unused import: `BufRead`
Dec 02 03:11:39.962 INFO [stderr]  --> src/cli/display.rs:1:28
Dec 02 03:11:39.962 INFO [stderr]   |
Dec 02 03:11:39.962 INFO [stderr] 1 | use std::io::{self, Write, BufRead};
Dec 02 03:11:39.962 INFO [stderr]   |                            ^^^^^^^
Dec 02 03:11:39.962 INFO [stderr] 
Dec 02 03:11:40.029 INFO [stderr] warning: unused variable: `error`
Dec 02 03:11:40.029 INFO [stderr]   --> src/cli/display.rs:41:21
Dec 02 03:11:40.029 INFO [stderr]    |
Dec 02 03:11:40.029 INFO [stderr] 41 |                 Err(error) => String::from(""),
Dec 02 03:11:40.029 INFO [stderr]    |                     ^^^^^ help: consider using `_error` instead
Dec 02 03:11:40.029 INFO [stderr]    |
Dec 02 03:11:40.029 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 03:11:40.029 INFO [stderr] 
Dec 02 03:11:40.030 INFO [stderr] warning: unused variable: `buffer_pointer`
Dec 02 03:11:40.030 INFO [stderr]   --> src/cli/display.rs:57:17
Dec 02 03:11:40.030 INFO [stderr]    |
Dec 02 03:11:40.030 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 02 03:11:40.030 INFO [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using `_buffer_pointer` instead
Dec 02 03:11:40.030 INFO [stderr] 
Dec 02 03:11:40.032 INFO [stderr] warning: variable does not need to be mutable
Dec 02 03:11:40.032 INFO [stderr]   --> src/main.rs:12:9
Dec 02 03:11:40.032 INFO [stderr]    |
Dec 02 03:11:40.032 INFO [stderr] 12 |     let mut user_finished = false;
Dec 02 03:11:40.032 INFO [stderr]    |         ----^^^^^^^^^^^^^
Dec 02 03:11:40.032 INFO [stderr]    |         |
Dec 02 03:11:40.032 INFO [stderr]    |         help: remove this `mut`
Dec 02 03:11:40.032 INFO [stderr]    |
Dec 02 03:11:40.032 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 03:11:40.032 INFO [stderr] 
Dec 02 03:11:40.043 INFO [stderr] warning: variable does not need to be mutable
Dec 02 03:11:40.043 INFO [stderr]   --> src/cli/display.rs:57:13
Dec 02 03:11:40.043 INFO [stderr]    |
Dec 02 03:11:40.043 INFO [stderr] 57 |         let mut buffer_pointer = 0;
Dec 02 03:11:40.043 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Dec 02 03:11:40.043 INFO [stderr]    |             |
Dec 02 03:11:40.043 INFO [stderr]    |             help: remove this `mut`
Dec 02 03:11:40.043 INFO [stderr] 
Dec 02 03:11:40.043 INFO [stderr] warning: field is never used: `m_sender`
Dec 02 03:11:40.043 INFO [stderr]  --> src/cli/interface.rs:7:5
Dec 02 03:11:40.043 INFO [stderr]   |
Dec 02 03:11:40.043 INFO [stderr] 7 |     m_sender: Sender<String>,
Dec 02 03:11:40.043 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 03:11:40.043 INFO [stderr]   |
Dec 02 03:11:40.043 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 03:11:40.043 INFO [stderr] 
Dec 02 03:11:40.055 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 02 03:11:40.055 INFO [stderr]   --> src/cli/display.rs:93:9
Dec 02 03:11:40.055 INFO [stderr]    |
Dec 02 03:11:40.055 INFO [stderr] 93 |         io::stdout().flush();
Dec 02 03:11:40.055 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 02 03:11:40.055 INFO [stderr]    |
Dec 02 03:11:40.055 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 03:11:40.055 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 03:11:40.055 INFO [stderr] 
Dec 02 03:11:40.693 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 02 03:11:40.696 INFO [stderr] su: No module specific data is present
Dec 02 03:11:41.604 INFO running `"docker" "inspect" "31423dde9237609dc85df374f04a41b90965a370c873985b95ff6ce8c8e6945a"`
Dec 02 03:11:41.921 INFO running `"docker" "rm" "-f" "31423dde9237609dc85df374f04a41b90965a370c873985b95ff6ce8c8e6945a"`
Dec 02 03:11:42.219 INFO [stdout] 31423dde9237609dc85df374f04a41b90965a370c873985b95ff6ce8c8e6945a
Dec 02 03:11:42.225 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 03:11:42.801 INFO [stdout] 2b6a2475ab33dee1a94041eeca4f237d29cb02aa0e935a2c26fae8d5a17e2e15
Dec 02 03:11:42.806 INFO running `"docker" "start" "-a" "2b6a2475ab33dee1a94041eeca4f237d29cb02aa0e935a2c26fae8d5a17e2e15"`
Dec 02 03:11:43.991 INFO [stderr] usermod: no changes
Dec 02 03:11:44.075 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 02 03:11:44.091 INFO [stderr]      Running /target/debug/deps/synth-2dbd567763e7d551
Dec 02 03:11:44.099 INFO [stderr] su: No module specific data is present
Dec 02 03:11:44.099 INFO [stdout] 
Dec 02 03:11:44.099 INFO [stdout] running 0 tests
Dec 02 03:11:44.099 INFO [stdout] 
Dec 02 03:11:44.099 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 03:11:44.099 INFO [stdout] 
Dec 02 03:11:45.015 INFO running `"docker" "inspect" "2b6a2475ab33dee1a94041eeca4f237d29cb02aa0e935a2c26fae8d5a17e2e15"`
Dec 02 03:11:45.283 INFO running `"docker" "rm" "-f" "2b6a2475ab33dee1a94041eeca4f237d29cb02aa0e935a2c26fae8d5a17e2e15"`
Dec 02 03:11:45.655 INFO [stdout] 2b6a2475ab33dee1a94041eeca4f237d29cb02aa0e935a2c26fae8d5a17e2e15
