[INFO] fetching crate stm32h7-ethernet 0.3.0...
[INFO] checking stm32h7-ethernet-0.3.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate stm32h7-ethernet 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stm32h7-ethernet 0.3.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate stm32h7-ethernet 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stm32h7-ethernet 0.3.0
[INFO] tweaked toml for crates.io crate stm32h7-ethernet 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate stm32h7-ethernet 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded managed v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 959365998e135819ef4543e5ab8fb14b9a5217de61c2eb98169c03f0dff27094
[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" "959365998e135819ef4543e5ab8fb14b9a5217de61c2eb98169c03f0dff27094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "959365998e135819ef4543e5ab8fb14b9a5217de61c2eb98169c03f0dff27094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959365998e135819ef4543e5ab8fb14b9a5217de61c2eb98169c03f0dff27094", kill_on_drop: false }`
[INFO] [stdout] 959365998e135819ef4543e5ab8fb14b9a5217de61c2eb98169c03f0dff27094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69256b368f953a5f2b23d978fce0c3ce472610a2afee13b1102d13ca060c7bef
[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" "69256b368f953a5f2b23d978fce0c3ce472610a2afee13b1102d13ca060c7bef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling stm32h7 v0.11.0
[INFO] [stderr]    Compiling heapless v0.5.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]     Checking rtic-core v0.3.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking cast v0.2.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking smoltcp v0.6.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking cortex-m v0.6.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smoltcp-0.6.0/src/socket/mod.rs:132:34
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub(crate) fn meta(&self) -> &SocketMeta {
[INFO] [stdout]     |                   ----           ^^^^^^^^^^^ expected `&Meta`, found `()`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 133 |         dispatch_socket!(self, |socket| &socket.meta)
[INFO] [stdout]     |                                                     - help: consider removing this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smoltcp-0.6.0/src/socket/mod.rs:136:42
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub(crate) fn meta_mut(&mut self) -> &mut SocketMeta {
[INFO] [stdout]     |                   --------               ^^^^^^^^^^^^^^^ expected `&mut Meta`, found `()`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 137 |         dispatch_socket!(mut self, |socket| &mut socket.meta)
[INFO] [stdout]     |                                                             - help: consider removing this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smoltcp-0.6.0/src/socket/mod.rs:140:37
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub(crate) fn poll_at(&self) -> PollAt {
[INFO] [stdout]     |                   -------           ^^^^^^ expected enum `PollAt`, found `()`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 141 |         dispatch_socket!(self, |socket| socket.poll_at())
[INFO] [stdout]     |                                                         - help: consider removing this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smoltcp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "69256b368f953a5f2b23d978fce0c3ce472610a2afee13b1102d13ca060c7bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69256b368f953a5f2b23d978fce0c3ce472610a2afee13b1102d13ca060c7bef", kill_on_drop: false }`
[INFO] [stdout] 69256b368f953a5f2b23d978fce0c3ce472610a2afee13b1102d13ca060c7bef