[INFO] fetching crate system76_ecflash 0.1.2...
[INFO] testing system76_ecflash-0.1.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate system76_ecflash 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate system76_ecflash 0.1.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66d6ac24525e7e86e1cc1316ff4e8235f2ac7e34a5e636d2e4dad0905d5a1e3e
[INFO] running `Command { std: "docker" "start" "-a" "66d6ac24525e7e86e1cc1316ff4e8235f2ac7e34a5e636d2e4dad0905d5a1e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66d6ac24525e7e86e1cc1316ff4e8235f2ac7e34a5e636d2e4dad0905d5a1e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d6ac24525e7e86e1cc1316ff4e8235f2ac7e34a5e636d2e4dad0905d5a1e3e", kill_on_drop: false }`
[INFO] [stdout] 66d6ac24525e7e86e1cc1316ff4e8235f2ac7e34a5e636d2e4dad0905d5a1e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb28a27256bc5f494f8e4ffd8c6cbe8d229b9a2a46765f3a7c63696cb81938c5
[INFO] running `Command { std: "docker" "start" "-a" "fb28a27256bc5f494f8e4ffd8c6cbe8d229b9a2a46765f3a7c63696cb81938c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling system76_ecflash v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut ecs: Vec<(String, Box<Ec>)> = Vec::new();
[INFO] [stdout]    |                                   ^^ help: use `dyn`: `dyn Ec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "fb28a27256bc5f494f8e4ffd8c6cbe8d229b9a2a46765f3a7c63696cb81938c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb28a27256bc5f494f8e4ffd8c6cbe8d229b9a2a46765f3a7c63696cb81938c5", kill_on_drop: false }`
[INFO] [stdout] fb28a27256bc5f494f8e4ffd8c6cbe8d229b9a2a46765f3a7c63696cb81938c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5346254dc8ab5d98f0818ef6c4282f2b63f0efa721a5a3f04625f65f4719f6c
[INFO] running `Command { std: "docker" "start" "-a" "c5346254dc8ab5d98f0818ef6c4282f2b63f0efa721a5a3f04625f65f4719f6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling redox_hwio v0.1.3
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redox_hwio`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c5346254dc8ab5d98f0818ef6c4282f2b63f0efa721a5a3f04625f65f4719f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5346254dc8ab5d98f0818ef6c4282f2b63f0efa721a5a3f04625f65f4719f6c", kill_on_drop: false }`
[INFO] [stdout] c5346254dc8ab5d98f0818ef6c4282f2b63f0efa721a5a3f04625f65f4719f6c