[INFO] fetching crate serial-windows 0.4.0...
[INFO] testing serial-windows-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate serial-windows 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate serial-windows 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial-windows 0.4.0
[INFO] finished tweaking crates.io crate serial-windows 0.4.0
[INFO] tweaked toml for crates.io crate serial-windows 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81bd4818d1a6099125dbd57658e31d5244420982ee4a6dc98cbaf6556914c354
[INFO] running `Command { std: "docker" "start" "-a" "81bd4818d1a6099125dbd57658e31d5244420982ee4a6dc98cbaf6556914c354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81bd4818d1a6099125dbd57658e31d5244420982ee4a6dc98cbaf6556914c354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81bd4818d1a6099125dbd57658e31d5244420982ee4a6dc98cbaf6556914c354", kill_on_drop: false }`
[INFO] [stdout] 81bd4818d1a6099125dbd57658e31d5244420982ee4a6dc98cbaf6556914c354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae5b948e225ef7180d1cd544ef1e946e299e86d4242a85b78c2adff9c8da4e8e
[INFO] running `Command { std: "docker" "start" "-a" "ae5b948e225ef7180d1cd544ef1e946e299e86d4242a85b78c2adff9c8da4e8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling serial-windows v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]   --> src/com.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::windows::prelude::*;
[INFO] [stdout]    |              ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core`, `error`
[INFO] [stdout]  --> src/com.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 2 | use error;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsRawHandle` in this scope
[INFO] [stdout]   --> src/com.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl AsRawHandle for COMPort {
[INFO] [stdout]    |      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `RawHandle` in this scope
[INFO] [stdout]   --> src/com.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn as_raw_handle(&self) -> RawHandle {
[INFO] [stdout]    |                                ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/com.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             try!(port.set_timeout(timeout));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serial-windows` due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ae5b948e225ef7180d1cd544ef1e946e299e86d4242a85b78c2adff9c8da4e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5b948e225ef7180d1cd544ef1e946e299e86d4242a85b78c2adff9c8da4e8e", kill_on_drop: false }`
[INFO] [stdout] ae5b948e225ef7180d1cd544ef1e946e299e86d4242a85b78c2adff9c8da4e8e