[INFO] fetching crate msp430fr2355 0.4.2...
[INFO] testing msp430fr2355-0.4.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate msp430fr2355 0.4.2 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate msp430fr2355 0.4.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-31/source/rust-toolchain
[INFO] started tweaking crates.io crate msp430fr2355 0.4.2
[INFO] finished tweaking crates.io crate msp430fr2355 0.4.2
[INFO] tweaked toml for crates.io crate msp430fr2355 0.4.2 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 msp430-atomic v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfda603ba2d625fe3f68795bb559c2aa3786974266d38973f5336f65171aaf87
[INFO] running `Command { std: "docker" "start" "-a" "dfda603ba2d625fe3f68795bb559c2aa3786974266d38973f5336f65171aaf87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfda603ba2d625fe3f68795bb559c2aa3786974266d38973f5336f65171aaf87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfda603ba2d625fe3f68795bb559c2aa3786974266d38973f5336f65171aaf87", kill_on_drop: false }`
[INFO] [stdout] dfda603ba2d625fe3f68795bb559c2aa3786974266d38973f5336f65171aaf87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c15de6f7098fb679edc3b35413f4b0ebe1b09cde0068346796759285c9b89fd2
[INFO] running `Command { std: "docker" "start" "-a" "c15de6f7098fb679edc3b35413f4b0ebe1b09cde0068346796759285c9b89fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling msp430fr2355 v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling msp430-atomic v0.1.4
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/msp430-atomic-0.1.4/src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | #![feature(asm_experimental_arch)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/msp430-atomic-0.1.4/src/lib.rs:72:42
[INFO] [stdout]    |
[INFO] [stdout] 72 | #![cfg_attr(not(target_arch = "msp430"), feature(core_intrinsics))]
[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 `msp430-atomic` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c15de6f7098fb679edc3b35413f4b0ebe1b09cde0068346796759285c9b89fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15de6f7098fb679edc3b35413f4b0ebe1b09cde0068346796759285c9b89fd2", kill_on_drop: false }`
[INFO] [stdout] c15de6f7098fb679edc3b35413f4b0ebe1b09cde0068346796759285c9b89fd2