[INFO] cloning repository https://github.com/oresat/stm32f446xx-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oresat/stm32f446xx-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foresat%2Fstm32f446xx-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foresat%2Fstm32f446xx-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cf06b15e8a8b8cc280709320bbbb21df44d4ad6
[INFO] testing oresat/stm32f446xx-rs against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foresat%2Fstm32f446xx-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oresat/stm32f446xx-rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oresat/stm32f446xx-rs
[INFO] finished tweaking git repo https://github.com/oresat/stm32f446xx-rs
[INFO] tweaked toml for git repo https://github.com/oresat/stm32f446xx-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/oresat/stm32f446xx-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aligned v0.1.1
[INFO] [stderr]   Downloaded cortex-m v0.2.9
[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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 990b7d6844945fc73f5b58a35d2b8b46b2f9de5c5943173d9c7e84c081bdd8f1
[INFO] running `Command { std: "docker" "start" "-a" "990b7d6844945fc73f5b58a35d2b8b46b2f9de5c5943173d9c7e84c081bdd8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "990b7d6844945fc73f5b58a35d2b8b46b2f9de5c5943173d9c7e84c081bdd8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990b7d6844945fc73f5b58a35d2b8b46b2f9de5c5943173d9c7e84c081bdd8f1", kill_on_drop: false }`
[INFO] [stdout] 990b7d6844945fc73f5b58a35d2b8b46b2f9de5c5943173d9c7e84c081bdd8f1
[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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d152185345d782c019a08b114a8fbd058d200f85f1d566425f8d62a3439ed99
[INFO] running `Command { std: "docker" "start" "-a" "2d152185345d782c019a08b114a8fbd058d200f85f1d566425f8d62a3439ed99", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.2.9
[INFO] [stderr]    Compiling cortex-m-semihosting v0.1.3
[INFO] [stderr]    Compiling aligned v0.1.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.1/src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-semihosting-0.1.3/src/lib.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | #![feature(asm)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.1/src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(const_fn)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr] error: could not compile `cortex-m-semihosting` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2d152185345d782c019a08b114a8fbd058d200f85f1d566425f8d62a3439ed99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d152185345d782c019a08b114a8fbd058d200f85f1d566425f8d62a3439ed99", kill_on_drop: false }`
[INFO] [stdout] 2d152185345d782c019a08b114a8fbd058d200f85f1d566425f8d62a3439ed99
