[INFO] cloning repository https://github.com/kebox7/Rust.SerialPortEnumerator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kebox7/Rust.SerialPortEnumerator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkebox7%2FRust.SerialPortEnumerator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkebox7%2FRust.SerialPortEnumerator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad3641116a90cca4cc75e2b9adc362f1f1db9a4f
[INFO] checking kebox7/Rust.SerialPortEnumerator against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkebox7%2FRust.SerialPortEnumerator" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kebox7/Rust.SerialPortEnumerator on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kebox7/Rust.SerialPortEnumerator
[INFO] finished tweaking git repo https://github.com/kebox7/Rust.SerialPortEnumerator
[INFO] tweaked toml for git repo https://github.com/kebox7/Rust.SerialPortEnumerator written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/kebox7/Rust.SerialPortEnumerator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded little-skeptic v0.15.2
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] [stderr]   Downloaded wmi v0.4.6
[INFO] [stderr]   Downloaded pulldown-cmark v0.5.3
[INFO] [stderr]   Downloaded handlebars v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ad42115830be4e0e5cc0a2616aead58d3b0667ae5f0dae943c9821185f53d14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ad42115830be4e0e5cc0a2616aead58d3b0667ae5f0dae943c9821185f53d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad42115830be4e0e5cc0a2616aead58d3b0667ae5f0dae943c9821185f53d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad42115830be4e0e5cc0a2616aead58d3b0667ae5f0dae943c9821185f53d14", kill_on_drop: false }`
[INFO] [stdout] 6ad42115830be4e0e5cc0a2616aead58d3b0667ae5f0dae943c9821185f53d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7f05044a0ff4fbb20879d6bc1105d73bc8065b5b695ddeed1ca816a59def5e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db7f05044a0ff4fbb20879d6bc1105d73bc8065b5b695ddeed1ca816a59def5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.8.2
[INFO] [stderr]    Compiling handlebars v2.0.2
[INFO] [stderr]    Compiling little-skeptic v0.15.2
[INFO] [stderr]    Compiling wmi v0.4.6
[INFO] [stderr]     Checking SerialPortEnumerator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `wmi::COMLibrary`, `wmi::WMIConnection`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use wmi::{ COMLibrary, WMIConnection };
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^^^^^^^^^^^ no `WMIConnection` in the root
[INFO] [stdout]   |            |
[INFO] [stdout]   |            no `COMLibrary` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `wmi::COMLibrary`, `wmi::WMIConnection`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use wmi::{ COMLibrary, WMIConnection };
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^^^^^^^^^^^ no `WMIConnection` in the root
[INFO] [stdout]   |            |
[INFO] [stdout]   |            no `COMLibrary` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `SerialPortEnumerator`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "db7f05044a0ff4fbb20879d6bc1105d73bc8065b5b695ddeed1ca816a59def5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7f05044a0ff4fbb20879d6bc1105d73bc8065b5b695ddeed1ca816a59def5e", kill_on_drop: false }`
[INFO] [stdout] db7f05044a0ff4fbb20879d6bc1105d73bc8065b5b695ddeed1ca816a59def5e