[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] checking lulf/eclipsecon-2021-firmware against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flulf%2Feclipsecon-2021-firmware" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lulf/eclipsecon-2021-firmware on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/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-5/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-5/source/src/main.rs
[INFO] [stderr]     Updating git repository `https://github.com/drogue-iot/drogue-device`
[INFO] [stderr]     Updating git repository `https://github.com/drogue-iot/drogue-wasm`
[INFO] [stderr]     Updating git repository `https://github.com/embassy-rs/embassy.git`
[INFO] [stderr]     Updating git submodule `https://github.com/embassy-rs/stm32-data.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded wasm-logger v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.75
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[INFO] [stderr]   Downloaded base64 v0.13.0
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded rtt-logger v0.1.0
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.75
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[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded heapless v0.6.1
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[INFO] [stderr]   Downloaded panic-probe v0.2.0
[INFO] [stderr]   Downloaded futures-io v0.3.16
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[INFO] [stderr]   Downloaded futures v0.3.16
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[INFO] [stderr]   Downloaded stable_deref_trait v1.2.0
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[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded usb-device v0.2.8
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded nrf52833-pac v0.10.1
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.75
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[INFO] [stderr]   Downloaded web-sys v0.3.52
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
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[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded js-sys v0.3.52
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.75
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[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.14
[INFO] [stderr]   Downloaded critical-section v0.2.1
[INFO] [stderr]   Downloaded bumpalo v3.7.0
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[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73de303d4ebff39bc7e4145e21a3f40fc4e724fe33eced1765ede3c4829a5039
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73de303d4ebff39bc7e4145e21a3f40fc4e724fe33eced1765ede3c4829a5039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73de303d4ebff39bc7e4145e21a3f40fc4e724fe33eced1765ede3c4829a5039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73de303d4ebff39bc7e4145e21a3f40fc4e724fe33eced1765ede3c4829a5039", kill_on_drop: false }`
[INFO] [stdout] 73de303d4ebff39bc7e4145e21a3f40fc4e724fe33eced1765ede3c4829a5039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61b8c18e887cb57ac1817f618932950f9a9c21082706d250e9bf4f4702a755ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61b8c18e887cb57ac1817f618932950f9a9c21082706d250e9bf4f4702a755ca", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] warning: file found to be present in multiple build targets: /tmp/fixit/src/main.rs
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[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 futures-task v0.3.16
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling critical-section v0.2.1
[INFO] [stderr]    Compiling atomic-polyfill v0.1.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling embassy v0.1.0 (https://github.com/embassy-rs/embassy.git?rev=548593ea415c79472bd2cf2d0c59aadfcf5f715c#548593ea)
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking 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 quote v1.0.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking heapless v0.6.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling embassy-macros v0.1.0 (https://github.com/embassy-rs/embassy.git?rev=548593ea415c79472bd2cf2d0c59aadfcf5f715c#548593ea)
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking drogue-device v0.1.0 (https://github.com/drogue-iot/drogue-device?rev=cbf3f40e94edb6be252b9846dca02e95da45b7f8#cbf3f40e)
[INFO] [stderr]     Checking eclipsecon-demo v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (2 fixes)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/app.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(button: BUTTON, led: LED) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyDevice`
[INFO] [stdout]   --> src/main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct MyDevice {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `DEVICE`
[INFO] [stdout]   --> src/main.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | static DEVICE: DeviceContext<MyDevice> = DeviceContext::new();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/app.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(button: BUTTON, led: LED) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyDevice`
[INFO] [stdout]   --> src/main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct MyDevice {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `DEVICE`
[INFO] [stdout]   --> src/main.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | static DEVICE: DeviceContext<MyDevice> = DeviceContext::new();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/app.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(button: BUTTON, led: LED) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyDevice`
[INFO] [stdout]   --> src/main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct MyDevice {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `DEVICE`
[INFO] [stdout]   --> src/main.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | static DEVICE: DeviceContext<MyDevice> = DeviceContext::new();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `eclipsecon_demo`
[INFO] [stdout]    --> src/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![cfg_attr(feature = "microbit", no_std)]
[INFO] [stdout] 2   | | #![cfg_attr(feature = "microbit", no_main)]
[INFO] [stdout] 3   | | #![macro_use]
[INFO] [stdout] 4   | | #![allow(incomplete_features)]
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     Ok(())
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/main.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eclipsecon-demo` due to 2 previous errors
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "61b8c18e887cb57ac1817f618932950f9a9c21082706d250e9bf4f4702a755ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b8c18e887cb57ac1817f618932950f9a9c21082706d250e9bf4f4702a755ca", kill_on_drop: false }`
[INFO] [stdout] 61b8c18e887cb57ac1817f618932950f9a9c21082706d250e9bf4f4702a755ca