[INFO] fetching crate system76_ecflash 0.1.2...
[INFO] checking system76_ecflash-0.1.2 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate system76_ecflash 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate system76_ecflash 0.1.2 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate system76_ecflash 0.1.2
[INFO] finished tweaking crates.io crate system76_ecflash 0.1.2
[INFO] tweaked toml for crates.io crate system76_ecflash 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate system76_ecflash 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c071614888d4da3d168f38f298b0836e0318d4211dad32040ddf5c1b7a2a8f
[INFO] running `Command { std: "docker" "start" "-a" "f6c071614888d4da3d168f38f298b0836e0318d4211dad32040ddf5c1b7a2a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c071614888d4da3d168f38f298b0836e0318d4211dad32040ddf5c1b7a2a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c071614888d4da3d168f38f298b0836e0318d4211dad32040ddf5c1b7a2a8f", kill_on_drop: false }`
[INFO] [stdout] f6c071614888d4da3d168f38f298b0836e0318d4211dad32040ddf5c1b7a2a8f
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13a733956e3f1694d5e487182ad46a4e6eb2adb4f35af6d1ec831124f08263f9
[INFO] running `Command { std: "docker" "start" "-a" "13a733956e3f1694d5e487182ad46a4e6eb2adb4f35af6d1ec831124f08263f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking redox_hwio v0.1.3
[INFO] [stderr]     Checking system76_ecflash v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_hwio-0.1.3/src/lib.rs:3:46
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(not(feature = "stable"), feature(const_fn))]
[INFO] [stdout]   |                                              ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redox_hwio` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "13a733956e3f1694d5e487182ad46a4e6eb2adb4f35af6d1ec831124f08263f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a733956e3f1694d5e487182ad46a4e6eb2adb4f35af6d1ec831124f08263f9", kill_on_drop: false }`
[INFO] [stdout] 13a733956e3f1694d5e487182ad46a4e6eb2adb4f35af6d1ec831124f08263f9