[INFO] cloning repository https://github.com/lulf/eclipsecon-2021-firmware [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lulf/eclipsecon-2021-firmware" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flulf%2Feclipsecon-2021-firmware", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flulf%2Feclipsecon-2021-firmware'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04e01cb10fc93d80f01fba2ec9084d3f0251ce1c [INFO] testing lulf/eclipsecon-2021-firmware against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flulf%2Feclipsecon-2021-firmware" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lulf/eclipsecon-2021-firmware on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/lulf/eclipsecon-2021-firmware [INFO] finished tweaking git repo https://github.com/lulf/eclipsecon-2021-firmware [INFO] tweaked toml for git repo https://github.com/lulf/eclipsecon-2021-firmware written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/lulf/eclipsecon-2021-firmware already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-0/source/src/main.rs [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 panic-probe v0.2.0 [INFO] [stderr] Downloaded embedded-hal v0.2.6 [INFO] [stderr] Downloaded cortex-m-rt v0.7.0 [INFO] [stderr] Downloaded cortex-m-rt-macros v0.7.0 [INFO] [stderr] Downloaded heapless v0.6.1 [INFO] [stderr] Downloaded wasm-logger v0.2.0 [INFO] [stderr] Downloaded usb-device v0.2.8 [INFO] [stderr] Downloaded critical-section v0.2.1 [INFO] [stderr] Downloaded atomic-polyfill v0.1.3 [INFO] [stderr] Downloaded nrf52833-pac v0.10.1 [INFO] [stderr] Downloaded bare-metal v1.0.0 [INFO] [stderr] Downloaded cortex-m-rt v0.6.14 [INFO] [stderr] Downloaded rtt-target v0.2.2 [INFO] [stderr] Downloaded rtt-logger v0.1.0 [INFO] [stderr] Downloaded volatile-register v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a6bff71ef0693406ffb9fdb30db5d5e810a0e2e3767fd2e6bda67224b52a9d1 [INFO] running `Command { std: "docker" "start" "-a" "2a6bff71ef0693406ffb9fdb30db5d5e810a0e2e3767fd2e6bda67224b52a9d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a6bff71ef0693406ffb9fdb30db5d5e810a0e2e3767fd2e6bda67224b52a9d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a6bff71ef0693406ffb9fdb30db5d5e810a0e2e3767fd2e6bda67224b52a9d1", kill_on_drop: false }` [INFO] [stdout] 2a6bff71ef0693406ffb9fdb30db5d5e810a0e2e3767fd2e6bda67224b52a9d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ccdeb7807ba1b34bef660d82c8f8066e9fffbbda2c4311b83ddcc3fd737328d4 [INFO] running `Command { std: "docker" "start" "-a" "ccdeb7807ba1b34bef660d82c8f8066e9fffbbda2c4311b83ddcc3fd737328d4", kill_on_drop: false }` [INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling futures-sink v0.3.16 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Compiling cortex-m v0.7.3 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling atomic-polyfill v0.1.3 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling critical-section v0.2.1 [INFO] [stderr] Compiling vcell v0.1.3 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling bare-metal v1.0.0 [INFO] [stderr] Compiling heapless v0.6.1 [INFO] [stderr] Compiling futures-io v0.3.16 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling embassy v0.1.0 (https://github.com/embassy-rs/embassy.git?rev=548593ea415c79472bd2cf2d0c59aadfcf5f715c#548593ea) [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling volatile-register v0.2.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling embedded-hal v0.2.6 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling embassy-traits v0.1.0 (https://github.com/embassy-rs/embassy.git?rev=548593ea415c79472bd2cf2d0c59aadfcf5f715c#548593ea) [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/embassy-9312dcb0ed774b29/548593e/embassy-traits/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(generic_associated_types)] [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/git/checkouts/embassy-9312dcb0ed774b29/548593e/embassy-traits/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(const_fn_fn_ptr_basics)] [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/git/checkouts/embassy-9312dcb0ed774b29/548593e/embassy-traits/src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_option)] [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/git/checkouts/embassy-9312dcb0ed774b29/548593e/embassy-traits/src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `embassy-traits` due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "ccdeb7807ba1b34bef660d82c8f8066e9fffbbda2c4311b83ddcc3fd737328d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccdeb7807ba1b34bef660d82c8f8066e9fffbbda2c4311b83ddcc3fd737328d4", kill_on_drop: false }` [INFO] [stdout] ccdeb7807ba1b34bef660d82c8f8066e9fffbbda2c4311b83ddcc3fd737328d4