[INFO] cloning repository https://github.com/inferiorhumanorgans/sam3x8e-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inferiorhumanorgans/sam3x8e-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finferiorhumanorgans%2Fsam3x8e-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finferiorhumanorgans%2Fsam3x8e-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a20f2b48fd2f8e93a0533554fe69198ce5f0790
[INFO] testing inferiorhumanorgans/sam3x8e-rs against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finferiorhumanorgans%2Fsam3x8e-rs" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  89% (1234/1377)
Updating files:  90% (1240/1377)
Updating files:  91% (1254/1377)
Updating files:  92% (1267/1377)
Updating files:  93% (1281/1377)
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Updating files:  99% (1364/1377)
Updating files: 100% (1377/1377)
Updating files: 100% (1377/1377), done.
[INFO] validating manifest of git repo https://github.com/inferiorhumanorgans/sam3x8e-rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-60/source/.cargo/config
[INFO] started tweaking git repo https://github.com/inferiorhumanorgans/sam3x8e-rs
[INFO] finished tweaking git repo https://github.com/inferiorhumanorgans/sam3x8e-rs
[INFO] tweaked toml for git repo https://github.com/inferiorhumanorgans/sam3x8e-rs written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/inferiorhumanorgans/sam3x8e-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-60/source/sam3x8e/Cargo.toml: unused manifest key: package.bench
[INFO] [stderr] warning: /workspace/builds/worker-60/source/sam3x8e/Cargo.toml: unused manifest key: package.test
[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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24c7bdf73c8bd734722bf819db7ebe6ac47619825da0cbb04f44940f8248d54b
[INFO] running `Command { std: "docker" "start" "-a" "24c7bdf73c8bd734722bf819db7ebe6ac47619825da0cbb04f44940f8248d54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24c7bdf73c8bd734722bf819db7ebe6ac47619825da0cbb04f44940f8248d54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c7bdf73c8bd734722bf819db7ebe6ac47619825da0cbb04f44940f8248d54b", kill_on_drop: false }`
[INFO] [stdout] 24c7bdf73c8bd734722bf819db7ebe6ac47619825da0cbb04f44940f8248d54b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65f74ae8a2f2e6847e8384dd0f1a42251b9056681561c4d7d42edd5c95e4f205
[INFO] running `Command { std: "docker" "start" "-a" "65f74ae8a2f2e6847e8384dd0f1a42251b9056681561c4d7d42edd5c95e4f205", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/sam3x8e/Cargo.toml: unused manifest key: package.bench
[INFO] [stderr] warning: /opt/rustwide/workdir/sam3x8e/Cargo.toml: unused manifest key: package.test
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling sam3x8e v0.1.1 (/opt/rustwide/workdir/sam3x8e)
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling as-slice v0.1.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling aligned v0.3.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.6
[INFO] [stderr]    Compiling sam3x8e-hal-codegen v0.1.0 (/opt/rustwide/workdir/sam3x8e-hal-codegen)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> sam3x8e-hal-codegen/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(proc_macro_span)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> sam3x8e-hal-codegen/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sam3x8e-hal-codegen`
[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" "65f74ae8a2f2e6847e8384dd0f1a42251b9056681561c4d7d42edd5c95e4f205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f74ae8a2f2e6847e8384dd0f1a42251b9056681561c4d7d42edd5c95e4f205", kill_on_drop: false }`
[INFO] [stdout] 65f74ae8a2f2e6847e8384dd0f1a42251b9056681561c4d7d42edd5c95e4f205
