[INFO] cloning repository https://github.com/embed-rs/stm32f7-discovery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/embed-rs/stm32f7-discovery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembed-rs%2Fstm32f7-discovery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembed-rs%2Fstm32f7-discovery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00d28d4611ba1d7164e03ee7232290477758800a
[INFO] checking embed-rs/stm32f7-discovery against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembed-rs%2Fstm32f7-discovery" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/embed-rs/stm32f7-discovery
[INFO] disabled cargo feature 'default-run' from git repo https://github.com/embed-rs/stm32f7-discovery
[INFO] finished tweaking git repo https://github.com/embed-rs/stm32f7-discovery
[INFO] tweaked toml for git repo https://github.com/embed-rs/stm32f7-discovery written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/embed-rs/stm32f7-discovery on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/embed-rs/stm32f7-discovery 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-embedded/cortex-m-rt.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/futures-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/oli-obk/smoltcp.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking embed-rs/stm32f7-discovery against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembed-rs%2Fstm32f7-discovery" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/embed-rs/stm32f7-discovery
[INFO] disabled cargo feature 'default-run' from git repo https://github.com/embed-rs/stm32f7-discovery
[INFO] finished tweaking git repo https://github.com/embed-rs/stm32f7-discovery
[INFO] tweaked toml for git repo https://github.com/embed-rs/stm32f7-discovery written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/embed-rs/stm32f7-discovery on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/embed-rs/stm32f7-discovery 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "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 vcell v0.1.0
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.29
[INFO] [stderr]   Downloaded syn v0.15.33
[INFO] [stderr]   Downloaded as-slice v0.1.0
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.3
[INFO] [stderr]   Downloaded cortex-m v0.1.8
[INFO] [stderr]   Downloaded volatile-register v0.1.2
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded aligned v0.3.1
[INFO] [stderr]   Downloaded alloc-cortex-m v0.3.5
[INFO] [stderr]   Downloaded managed v0.7.1
[INFO] [stderr]   Downloaded linked_list_allocator v0.6.4
[INFO] [stderr]   Downloaded cortex-m v0.5.10
[INFO] [stderr]   Downloaded cortex-m v0.6.0
[INFO] [stderr]   Downloaded font8x8 v0.2.4
[INFO] [stderr]   Downloaded embedded-hal v0.2.2
[INFO] [stderr]   Downloaded stm32f7 v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e30ddfab706287129ef3f962596b2bc204c804a2eb12541b23482e37aed7fbde
[INFO] running `Command { std: "docker" "start" "e30ddfab706287129ef3f962596b2bc204c804a2eb12541b23482e37aed7fbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e30ddfab706287129ef3f962596b2bc204c804a2eb12541b23482e37aed7fbde" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e30ddfab706287129ef3f962596b2bc204c804a2eb12541b23482e37aed7fbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e30ddfab706287129ef3f962596b2bc204c804a2eb12541b23482e37aed7fbde" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.15 (https://github.com/rust-lang-nursery/futures-rs.git#50f3f717)
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cortex-m v0.6.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.8 (https://github.com/rust-embedded/cortex-m-rt.git#9859fa16)
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling stm32f7 v0.3.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking volatile-register v0.1.2
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling stm32f7-discovery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.15 (https://github.com/rust-lang-nursery/futures-rs.git#50f3f717)
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.15 (https://github.com/rust-lang-nursery/futures-rs.git#50f3f717)
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking cortex-m v0.1.8
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.15 (https://github.com/rust-lang-nursery/futures-rs.git#50f3f717)
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]     Checking linked_list_allocator v0.6.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.1.8/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(const_fn)]
[INFO] [stdout]    |            ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.1.8/src/asm.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         asm!("nop" :::: "volatile");
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  3 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/linked_list_allocator-0.6.4/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `alloc::alloc::Alloc`, `alloc::alloc::AllocErr`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/linked_list_allocator-0.6.4/src/lib.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | use alloc::alloc::{Alloc, AllocErr, Layout};
[INFO] [stdout]    |                    ^^^^^  ^^^^^^^^ no `AllocErr` in `alloc`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    no `Alloc` in `alloc`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 14 - use alloc::alloc::{Alloc, AllocErr, Layout};
[INFO] [stdout] 14 + use alloc::alloc::{alloc, AllocErr, Layout};
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 14 | use alloc::alloc::{Alloc, AllocError, Layout};
[INFO] [stdout]    |                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::alloc::AllocErr`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/linked_list_allocator-0.6.4/src/hole.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::alloc::{AllocErr, Layout};
[INFO] [stdout]   |                    ^^^^^^^^ no `AllocErr` in `alloc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]           AllocErr
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::alloc::{AllocError, Layout};
[INFO] [stdout]   |                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.15 (https://github.com/rust-lang-nursery/futures-rs.git#50f3f717)
[INFO] [stderr] error: could not compile `cortex-m` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator` (lib) due to 3 previous errors
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> core/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.50.0; see <https://github.com/rust-lang/rust/pull/79336> for more information
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState`
[INFO] [stdout]   --> core/src/lib.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |         ops::{Generator, GeneratorState},
[INFO] [stdout]    |               ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative impls are experimental
[INFO] [stdout]   --> core/src/lib.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |     impl<T: Generator<Yield = ()>> !Unpin for GenFuture<T> {}
[INFO] [stdout]    |                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout]    = help: use marker types for now
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]  --> core/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generator_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core` (lib) due to 4 previous errors
[INFO] [stderr] error: could not compile `spin` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e30ddfab706287129ef3f962596b2bc204c804a2eb12541b23482e37aed7fbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30ddfab706287129ef3f962596b2bc204c804a2eb12541b23482e37aed7fbde", kill_on_drop: false }`
[INFO] [stdout] e30ddfab706287129ef3f962596b2bc204c804a2eb12541b23482e37aed7fbde
