[INFO] fetching crate msp430-rt-macros 0.4.1...
[INFO] checking msp430-rt-macros-0.4.1 against 1.95.0 for pr-155915
[INFO] extracting crate msp430-rt-macros 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate msp430-rt-macros 0.4.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate msp430-rt-macros 0.4.1
[INFO] tweaked toml for crates.io crate msp430-rt-macros 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate msp430-rt-macros 0.4.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate msp430-rt-macros 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-triple v0.1.4
[INFO] [stderr]   Downloaded serde_spanned v1.0.0
[INFO] [stderr]   Downloaded toml_writer v1.0.2
[INFO] [stderr]   Downloaded msp430 v0.4.1
[INFO] [stderr]   Downloaded toml_datetime v0.7.0
[INFO] [stderr]   Downloaded trybuild v1.0.110
[INFO] [stderr]   Downloaded indexmap v2.10.0
[INFO] [stderr]   Downloaded toml v0.9.5
[INFO] [stderr]   Downloaded winnow v0.7.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bcd9f99b1fb355d425c78144dbb01386853040630affe635578939e1b52b3bb
[INFO] running `Command { std: "docker" "start" "-a" "7bcd9f99b1fb355d425c78144dbb01386853040630affe635578939e1b52b3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bcd9f99b1fb355d425c78144dbb01386853040630affe635578939e1b52b3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcd9f99b1fb355d425c78144dbb01386853040630affe635578939e1b52b3bb", kill_on_drop: false }`
[INFO] [stdout] 7bcd9f99b1fb355d425c78144dbb01386853040630affe635578939e1b52b3bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c15c8ae5801c03bbf6ff0097d5883b5ffd8cb8595d6e1a3f18b00f2b2b93ab6
[INFO] running `Command { std: "docker" "start" "-a" "1c15c8ae5801c03bbf6ff0097d5883b5ffd8cb8595d6e1a3f18b00f2b2b93ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]     Checking winnow v0.7.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking msp430 v0.4.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/msp430-0.4.1/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(asm_experimental_arch)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1c15c8ae5801c03bbf6ff0097d5883b5ffd8cb8595d6e1a3f18b00f2b2b93ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c15c8ae5801c03bbf6ff0097d5883b5ffd8cb8595d6e1a3f18b00f2b2b93ab6", kill_on_drop: false }`
[INFO] [stdout] 1c15c8ae5801c03bbf6ff0097d5883b5ffd8cb8595d6e1a3f18b00f2b2b93ab6