[INFO] cloning repository https://github.com/llpk79/pi_play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llpk79/pi_play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllpk79%2Fpi_play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllpk79%2Fpi_play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 633a6cef46e639d518762d6afb5276bd4f068d19
[INFO] checking llpk79/pi_play against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllpk79%2Fpi_play" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/llpk79/pi_play on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/llpk79/pi_play
[INFO] finished tweaking git repo https://github.com/llpk79/pi_play
[INFO] tweaked toml for git repo https://github.com/llpk79/pi_play written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/llpk79/pi_play 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i2c-linux v0.1.2
[INFO] [stderr]   Downloaded gpio v0.4.1
[INFO] [stderr]   Downloaded i2c-linux-sys v0.2.1
[INFO] [stderr]   Downloaded uninitialized v0.0.2
[INFO] [stderr]   Downloaded resize-slice v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 356e2cc7614bb4556704574a70c1157eeb32264525a9880219e723c38972a96f
[INFO] running `Command { std: "docker" "start" "-a" "356e2cc7614bb4556704574a70c1157eeb32264525a9880219e723c38972a96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "356e2cc7614bb4556704574a70c1157eeb32264525a9880219e723c38972a96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356e2cc7614bb4556704574a70c1157eeb32264525a9880219e723c38972a96f", kill_on_drop: false }`
[INFO] [stdout] 356e2cc7614bb4556704574a70c1157eeb32264525a9880219e723c38972a96f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e1ce2015708606b67ec4130d1f15dd4a00e6889ce1006e4d282d729a6b96b55
[INFO] running `Command { std: "docker" "start" "-a" "6e1ce2015708606b67ec4130d1f15dd4a00e6889ce1006e4d282d729a6b96b55", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking gpio v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking i2c-linux-sys v0.2.1
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking pi_play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "6e1ce2015708606b67ec4130d1f15dd4a00e6889ce1006e4d282d729a6b96b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1ce2015708606b67ec4130d1f15dd4a00e6889ce1006e4d282d729a6b96b55", kill_on_drop: false }`
[INFO] [stdout] 6e1ce2015708606b67ec4130d1f15dd4a00e6889ce1006e4d282d729a6b96b55
[INFO] checking llpk79/pi_play against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllpk79%2Fpi_play" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/llpk79/pi_play on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/llpk79/pi_play
[INFO] finished tweaking git repo https://github.com/llpk79/pi_play
[INFO] tweaked toml for git repo https://github.com/llpk79/pi_play written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/llpk79/pi_play 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 560b165f1769afbed066d085e31c5955ae518edc0ee5a365bf8fc01e98dcf40e
[INFO] running `Command { std: "docker" "start" "-a" "560b165f1769afbed066d085e31c5955ae518edc0ee5a365bf8fc01e98dcf40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "560b165f1769afbed066d085e31c5955ae518edc0ee5a365bf8fc01e98dcf40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560b165f1769afbed066d085e31c5955ae518edc0ee5a365bf8fc01e98dcf40e", kill_on_drop: false }`
[INFO] [stdout] 560b165f1769afbed066d085e31c5955ae518edc0ee5a365bf8fc01e98dcf40e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb6c9be28a57d8f3b8d4b0eae3e1317e524163037665e74b9a4ed6eaa55f24d
[INFO] running `Command { std: "docker" "start" "-a" "5bb6c9be28a57d8f3b8d4b0eae3e1317e524163037665e74b9a4ed6eaa55f24d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking gpio v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking i2c-linux-sys v0.2.1
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking pi_play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed for `Result<JoinHandle<T>, std::io::Error>`
[INFO] [stdout]    --> src/lasers.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let receiver_thread = thread::Builder::new()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 170 |         .name("receiver".to_string())
[INFO] [stdout] 171 |         .spawn(move || loop {
[INFO] [stdout]     |          ----- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Builder::spawn`
[INFO] [stdout]    --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:381:5
[INFO] [stdout] help: consider giving `receiver_thread` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let receiver_thread: Result<JoinHandle<T>, std::io::Error> = thread::Builder::new()
[INFO] [stdout]     |                        +++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed for `Result<JoinHandle<T>, std::io::Error>`
[INFO] [stdout]    --> src/lasers.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let receiver_thread = thread::Builder::new()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 170 |         .name("receiver".to_string())
[INFO] [stdout] 171 |         .spawn(move || loop {
[INFO] [stdout]     |          ----- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Builder::spawn`
[INFO] [stdout]    --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:381:5
[INFO] [stdout] help: consider giving `receiver_thread` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let receiver_thread: Result<JoinHandle<T>, std::io::Error> = thread::Builder::new()
[INFO] [stdout]     |                        +++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_play` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pi_play` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5bb6c9be28a57d8f3b8d4b0eae3e1317e524163037665e74b9a4ed6eaa55f24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb6c9be28a57d8f3b8d4b0eae3e1317e524163037665e74b9a4ed6eaa55f24d", kill_on_drop: false }`
[INFO] [stdout] 5bb6c9be28a57d8f3b8d4b0eae3e1317e524163037665e74b9a4ed6eaa55f24d