[INFO] cloning repository https://github.com/jonlamb-gh/home-phone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonlamb-gh/home-phone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Fhome-phone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Fhome-phone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9dde49d01f282ffa5b425e42f5cb8696b5a5a28
[INFO] testing jonlamb-gh/home-phone against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Fhome-phone" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonlamb-gh/home-phone 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-49/source/.cargo/config
[INFO] removed /workspace/builds/worker-49/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/jonlamb-gh/home-phone
[INFO] finished tweaking git repo https://github.com/jonlamb-gh/home-phone
[INFO] tweaked toml for git repo https://github.com/jonlamb-gh/home-phone written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/jonlamb-gh/home-phone 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]     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 ds323x v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 6be0c2ad3861da733a3338f5bbe7cb14f5e41e32124367c124d94c3cb2e988ac
[INFO] running `Command { std: "docker" "start" "-a" "6be0c2ad3861da733a3338f5bbe7cb14f5e41e32124367c124d94c3cb2e988ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6be0c2ad3861da733a3338f5bbe7cb14f5e41e32124367c124d94c3cb2e988ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be0c2ad3861da733a3338f5bbe7cb14f5e41e32124367c124d94c3cb2e988ac", kill_on_drop: false }`
[INFO] [stdout] 6be0c2ad3861da733a3338f5bbe7cb14f5e41e32124367c124d94c3cb2e988ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 4622026dae2f40c594cf6740663af2b115a2ed78043a5622d9d70a3f5efc63f5
[INFO] running `Command { std: "docker" "start" "-a" "4622026dae2f40c594cf6740663af2b115a2ed78043a5622d9d70a3f5efc63f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling stm32f4 v0.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]    Compiling managed v0.7.1
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling ds323x v0.2.0
[INFO] [stderr]    Compiling keypad v0.1.4 (https://github.com/jonlamb-gh/keypad.git?branch=digital-v2-infallible#93df3c9b)
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling smoltcp v0.5.0 (https://github.com/m-labs/smoltcp.git?branch=master#ae27235c)
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling as-slice v0.1.2
[INFO] [stderr]    Compiling aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]    Compiling stm32f4xx-hal v0.6.0 (https://github.com/jonlamb-gh/stm32f4xx-hal.git?branch=home-phone-changes#fb10640f)
[INFO] [stderr]    Compiling stm32-eth v0.1.2 (https://github.com/jonlamb-gh/stm32-eth.git?branch=update-deps#5e1fb634)
[INFO] [stderr]    Compiling home-phone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/keypad/mod.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / keypad_struct! {
[INFO] [stdout] 39 | |     pub struct KeypadInner {
[INFO] [stdout] 40 | |         rows: (
[INFO] [stdout] 41 | |           gpiob::PB0<Input<PullUp>>,
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `keypad_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[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 `home-phone` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4622026dae2f40c594cf6740663af2b115a2ed78043a5622d9d70a3f5efc63f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4622026dae2f40c594cf6740663af2b115a2ed78043a5622d9d70a3f5efc63f5", kill_on_drop: false }`
[INFO] [stdout] 4622026dae2f40c594cf6740663af2b115a2ed78043a5622d9d70a3f5efc63f5