[INFO] fetching crate usbd-serial 0.2.2...
[INFO] building usbd-serial-0.2.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate usbd-serial 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate usbd-serial 0.2.2
[INFO] finished tweaking crates.io crate usbd-serial 0.2.2
[INFO] tweaked toml for crates.io crate usbd-serial 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usbd-serial 0.2.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ebd1042c602abf5fa33547fd3ae3e102c8b98785492b82df164a9f7a50da603
[INFO] running `Command { std: "docker" "start" "-a" "9ebd1042c602abf5fa33547fd3ae3e102c8b98785492b82df164a9f7a50da603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ebd1042c602abf5fa33547fd3ae3e102c8b98785492b82df164a9f7a50da603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ebd1042c602abf5fa33547fd3ae3e102c8b98785492b82df164a9f7a50da603", kill_on_drop: false }`
[INFO] [stdout] 9ebd1042c602abf5fa33547fd3ae3e102c8b98785492b82df164a9f7a50da603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88aae2ef8815b96a18cf58f01cb35c4d4d8a9ac63cd365ae4c6cd022839124db
[INFO] running `Command { std: "docker" "start" "-a" "88aae2ef8815b96a18cf58f01cb35c4d4d8a9ac63cd365ae4c6cd022839124db", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling usb-device v0.3.2
[INFO] [stderr]    Compiling usbd-serial v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "88aae2ef8815b96a18cf58f01cb35c4d4d8a9ac63cd365ae4c6cd022839124db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88aae2ef8815b96a18cf58f01cb35c4d4d8a9ac63cd365ae4c6cd022839124db", kill_on_drop: false }`
[INFO] [stdout] 88aae2ef8815b96a18cf58f01cb35c4d4d8a9ac63cd365ae4c6cd022839124db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 172eb867b10d447fb27f0c6629f8eb96fc7621b74deb1d393c85d7a5c9301a47
[INFO] running `Command { std: "docker" "start" "-a" "172eb867b10d447fb27f0c6629f8eb96fc7621b74deb1d393c85d7a5c9301a47", kill_on_drop: false }`
[INFO] [stderr]    Compiling usbd-serial v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "172eb867b10d447fb27f0c6629f8eb96fc7621b74deb1d393c85d7a5c9301a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172eb867b10d447fb27f0c6629f8eb96fc7621b74deb1d393c85d7a5c9301a47", kill_on_drop: false }`
[INFO] [stdout] 172eb867b10d447fb27f0c6629f8eb96fc7621b74deb1d393c85d7a5c9301a47