[INFO] cloning repository https://github.com/lambdabear/nb-node [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lambdabear/nb-node" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fnb-node", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fnb-node'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e0e4b84f19b491161d54a3299eaba7ea84a5ba0 [INFO] checking lambdabear/nb-node against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fnb-node" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lambdabear/nb-node 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/lambdabear/nb-node [INFO] finished tweaking git repo https://github.com/lambdabear/nb-node [INFO] tweaked toml for git repo https://github.com/lambdabear/nb-node written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lambdabear/nb-node 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 943fdc65c760de9ede1b5619cc44b7002d3e62792698f56cff0436582ae9c021 [INFO] running `Command { std: "docker" "start" "-a" "943fdc65c760de9ede1b5619cc44b7002d3e62792698f56cff0436582ae9c021", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "943fdc65c760de9ede1b5619cc44b7002d3e62792698f56cff0436582ae9c021", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "943fdc65c760de9ede1b5619cc44b7002d3e62792698f56cff0436582ae9c021", kill_on_drop: false }` [INFO] [stdout] 943fdc65c760de9ede1b5619cc44b7002d3e62792698f56cff0436582ae9c021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4de142de0a329a170df462c9a913c2a7ff4ab8e8abcf2f3327c71bae89c0ff41 [INFO] running `Command { std: "docker" "start" "-a" "4de142de0a329a170df462c9a913c2a7ff4ab8e8abcf2f3327c71bae89c0ff41", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking nb-node v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> examples/at_command.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s [INFO] running `Command { std: "docker" "inspect" "4de142de0a329a170df462c9a913c2a7ff4ab8e8abcf2f3327c71bae89c0ff41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4de142de0a329a170df462c9a913c2a7ff4ab8e8abcf2f3327c71bae89c0ff41", kill_on_drop: false }` [INFO] [stdout] 4de142de0a329a170df462c9a913c2a7ff4ab8e8abcf2f3327c71bae89c0ff41 [INFO] checking lambdabear/nb-node against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fnb-node" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lambdabear/nb-node 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/lambdabear/nb-node [INFO] finished tweaking git repo https://github.com/lambdabear/nb-node [INFO] tweaked toml for git repo https://github.com/lambdabear/nb-node written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/lambdabear/nb-node 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2f2f2975a350c85c96f79039f4ca29b6f2889d6232f0de0d7dd79e16123c92c5 [INFO] running `Command { std: "docker" "start" "-a" "2f2f2975a350c85c96f79039f4ca29b6f2889d6232f0de0d7dd79e16123c92c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f2f2975a350c85c96f79039f4ca29b6f2889d6232f0de0d7dd79e16123c92c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f2f2975a350c85c96f79039f4ca29b6f2889d6232f0de0d7dd79e16123c92c5", kill_on_drop: false }` [INFO] [stdout] 2f2f2975a350c85c96f79039f4ca29b6f2889d6232f0de0d7dd79e16123c92c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 773bd5f6174beac294d105116d3dac4a2418678f1248cdc6112137a323161b0c [INFO] running `Command { std: "docker" "start" "-a" "773bd5f6174beac294d105116d3dac4a2418678f1248cdc6112137a323161b0c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking nb-node v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> examples/at_command.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> examples/at_command.rs:14:25 [INFO] [stdout] | [INFO] [stdout] 14 | let read = std::thread::spawn(move || loop { [INFO] [stdout] | _________________________^^^^___- [INFO] [stdout] 15 | | let mut buffer: Vec = vec![0; 1000]; [INFO] [stdout] 16 | | match port1.read(buffer.as_mut_slice()) { [INFO] [stdout] 17 | | Ok(t) => io::stdout().write_all(&buffer[..t]).unwrap(), [INFO] [stdout] ... | [INFO] [stdout] 20 | | } [INFO] [stdout] 21 | | }); [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 `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving `read` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 14 | let read: JoinHandle = std::thread::spawn(move || loop { [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `nb-node` (example "at_command") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "773bd5f6174beac294d105116d3dac4a2418678f1248cdc6112137a323161b0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "773bd5f6174beac294d105116d3dac4a2418678f1248cdc6112137a323161b0c", kill_on_drop: false }` [INFO] [stdout] 773bd5f6174beac294d105116d3dac4a2418678f1248cdc6112137a323161b0c