[INFO] fetching crate microbit-v2 0.15.1...
[INFO] checking microbit-v2-0.15.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate microbit-v2 0.15.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate microbit-v2 0.15.1
[INFO] finished tweaking crates.io crate microbit-v2 0.15.1
[INFO] tweaked toml for crates.io crate microbit-v2 0.15.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate microbit-v2 0.15.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b58355d22eb2af5e1ae3b858ff6e3f8c4ac3b1e71f8e11f55be74d662d3eeba
[INFO] running `Command { std: "docker" "start" "-a" "8b58355d22eb2af5e1ae3b858ff6e3f8c4ac3b1e71f8e11f55be74d662d3eeba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b58355d22eb2af5e1ae3b858ff6e3f8c4ac3b1e71f8e11f55be74d662d3eeba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b58355d22eb2af5e1ae3b858ff6e3f8c4ac3b1e71f8e11f55be74d662d3eeba", kill_on_drop: false }`
[INFO] [stdout] 8b58355d22eb2af5e1ae3b858ff6e3f8c4ac3b1e71f8e11f55be74d662d3eeba
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01a1767728faa383970eac848de56da4da03a5f590fc60ba9a3546bd79fbe28f
[INFO] running `Command { std: "docker" "start" "-a" "01a1767728faa383970eac848de56da4da03a5f590fc60ba9a3546bd79fbe28f", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling nrf52833-pac v0.12.2
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]    Compiling nrf-hal-common v0.18.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]    Compiling nrf52833-hal v0.18.0
[INFO] [stderr]     Checking tiny-led-matrix v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]     Checking nrf-usbd v0.3.0
[INFO] [stderr]     Checking microbit-common v0.15.1
[INFO] [stderr]     Checking microbit-v2 v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.68s
[INFO] running `Command { std: "docker" "inspect" "01a1767728faa383970eac848de56da4da03a5f590fc60ba9a3546bd79fbe28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a1767728faa383970eac848de56da4da03a5f590fc60ba9a3546bd79fbe28f", kill_on_drop: false }`
[INFO] [stdout] 01a1767728faa383970eac848de56da4da03a5f590fc60ba9a3546bd79fbe28f