[INFO] cloning repository https://github.com/justinc1/rs-bla
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinc1/rs-bla" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinc1%2Frs-bla", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinc1%2Frs-bla'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2018787b7d20478cdde4bbecff79d797dc7efe36
[INFO] checking justinc1/rs-bla against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinc1%2Frs-bla" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinc1/rs-bla on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justinc1/rs-bla
[INFO] finished tweaking git repo https://github.com/justinc1/rs-bla
[INFO] tweaked toml for git repo https://github.com/justinc1/rs-bla written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/justinc1/rs-bla already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a61f906689d904679f144b1da943dadab4e81f83040e4e9b5b751782f55562ae
[INFO] running `Command { std: "docker" "start" "-a" "a61f906689d904679f144b1da943dadab4e81f83040e4e9b5b751782f55562ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a61f906689d904679f144b1da943dadab4e81f83040e4e9b5b751782f55562ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61f906689d904679f144b1da943dadab4e81f83040e4e9b5b751782f55562ae", kill_on_drop: false }`
[INFO] [stdout] a61f906689d904679f144b1da943dadab4e81f83040e4e9b5b751782f55562ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b8cbe696c088f35c2290b144b39384a539f321127076aac6c3ed22eff4cad6
[INFO] running `Command { std: "docker" "start" "-a" "b2b8cbe696c088f35c2290b144b39384a539f321127076aac6c3ed22eff4cad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking termion v3.0.0
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking ship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     return;
[INFO] [stdout]     |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 249 |     write!(stdout, "{}{}q to exit. Click, click, click!", termion::clear::All, termion::cursor::Goto(1, 1)).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     return;
[INFO] [stdout]     |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 249 |     write!(stdout, "{}{}q to exit. Click, click, click!", termion::clear::All, termion::cursor::Goto(1, 1)).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut stdin = termion::async_stdin().keys();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ts`
[INFO] [stdout]    --> src/main.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let ts: u64 = 1000;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]    --> src/main.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let stdin = stdin();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut stdout = MouseTerminal::from(stdout().into_raw_mode().unwrap());
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_non_blocking` is never used
[INFO] [stdout]    --> src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn main_non_blocking() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main3` is never used
[INFO] [stdout]    --> src/main.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn main3() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn_stdin_channel` is never used
[INFO] [stdout]    --> src/main.rs:288:4
[INFO] [stdout]     |
[INFO] [stdout] 288 | fn spawn_stdin_channel() -> Receiver<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut stdin = termion::async_stdin().keys();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ts`
[INFO] [stdout]    --> src/main.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let ts: u64 = 1000;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]    --> src/main.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let stdin = stdin();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut stdout = MouseTerminal::from(stdout().into_raw_mode().unwrap());
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_non_blocking` is never used
[INFO] [stdout]    --> src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn main_non_blocking() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main3` is never used
[INFO] [stdout]    --> src/main.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn main3() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn_stdin_channel` is never used
[INFO] [stdout]    --> src/main.rs:288:4
[INFO] [stdout]     |
[INFO] [stdout] 288 | fn spawn_stdin_channel() -> Receiver<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "b2b8cbe696c088f35c2290b144b39384a539f321127076aac6c3ed22eff4cad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b8cbe696c088f35c2290b144b39384a539f321127076aac6c3ed22eff4cad6", kill_on_drop: false }`
[INFO] [stdout] b2b8cbe696c088f35c2290b144b39384a539f321127076aac6c3ed22eff4cad6