[INFO] fetching crate ws2812-nrf52833-pwm 0.2.1...
[INFO] testing ws2812-nrf52833-pwm-0.2.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate ws2812-nrf52833-pwm 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate ws2812-nrf52833-pwm 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ws2812-nrf52833-pwm 0.2.1
[INFO] tweaked toml for crates.io crate ws2812-nrf52833-pwm 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ws2812-nrf52833-pwm 0.2.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ws2812-nrf52833-pwm 0.2.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f03dc83e74eb6e7d842198f002e670da0aa94ad673b1ac1a1e9195fcf74bf73
[INFO] running `Command { std: "docker" "start" "-a" "2f03dc83e74eb6e7d842198f002e670da0aa94ad673b1ac1a1e9195fcf74bf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f03dc83e74eb6e7d842198f002e670da0aa94ad673b1ac1a1e9195fcf74bf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f03dc83e74eb6e7d842198f002e670da0aa94ad673b1ac1a1e9195fcf74bf73", kill_on_drop: false }`
[INFO] [stdout] 2f03dc83e74eb6e7d842198f002e670da0aa94ad673b1ac1a1e9195fcf74bf73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed248cd4ca674bece0cbb174a4380eefcd8c3184f4ac895cae58ec79df3c67c5
[INFO] running `Command { std: "docker" "start" "-a" "ed248cd4ca674bece0cbb174a4380eefcd8c3184f4ac895cae58ec79df3c67c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling bytemuck v1.16.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling nrf52833-pac v0.12.2
[INFO] [stderr]    Compiling fixed v1.28.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling nrf-hal-common v0.18.0
[INFO] [stderr]    Compiling critical-section v1.1.2
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling nrf52833-hal v0.18.0
[INFO] [stderr]    Compiling embedded-storage v0.3.1
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling rgb v0.8.45
[INFO] [stderr]    Compiling smart-leds-trait v0.3.0
[INFO] [stderr]    Compiling usb-device v0.3.2
[INFO] [stderr]    Compiling nrf-usbd v0.3.0
[INFO] [stderr]    Compiling ws2812-nrf52833-pwm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.48s
[INFO] running `Command { std: "docker" "inspect" "ed248cd4ca674bece0cbb174a4380eefcd8c3184f4ac895cae58ec79df3c67c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed248cd4ca674bece0cbb174a4380eefcd8c3184f4ac895cae58ec79df3c67c5", kill_on_drop: false }`
[INFO] [stdout] ed248cd4ca674bece0cbb174a4380eefcd8c3184f4ac895cae58ec79df3c67c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 409a0709d5cfe24d11cebe857c45fe34aa756a8bddd3f5f0946143405afce9e9
[INFO] running `Command { std: "docker" "start" "-a" "409a0709d5cfe24d11cebe857c45fe34aa756a8bddd3f5f0946143405afce9e9", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `az v1.2.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `az v1.2.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/az-1.2.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "409a0709d5cfe24d11cebe857c45fe34aa756a8bddd3f5f0946143405afce9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409a0709d5cfe24d11cebe857c45fe34aa756a8bddd3f5f0946143405afce9e9", kill_on_drop: false }`
[INFO] [stdout] 409a0709d5cfe24d11cebe857c45fe34aa756a8bddd3f5f0946143405afce9e9