[INFO] fetching crate f4-w25q 0.1.0...
[INFO] checking f4-w25q-0.1.0 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate f4-w25q 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate f4-w25q 0.1.0 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate f4-w25q 0.1.0
[INFO] finished tweaking crates.io crate f4-w25q 0.1.0
[INFO] tweaked toml for crates.io crate f4-w25q 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate f4-w25q 0.1.0 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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 413a7df4d812a166ed462e61e9aa8de09fa31161b348fb7a88f859c5f2deb1e7
[INFO] running `Command { std: "docker" "start" "-a" "413a7df4d812a166ed462e61e9aa8de09fa31161b348fb7a88f859c5f2deb1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413a7df4d812a166ed462e61e9aa8de09fa31161b348fb7a88f859c5f2deb1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413a7df4d812a166ed462e61e9aa8de09fa31161b348fb7a88f859c5f2deb1e7", kill_on_drop: false }`
[INFO] [stdout] 413a7df4d812a166ed462e61e9aa8de09fa31161b348fb7a88f859c5f2deb1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b29884e87398fe712562c59a73a75837d07b13000b4512897aae27b7e944412a
[INFO] running `Command { std: "docker" "start" "-a" "b29884e87398fe712562c59a73a75837d07b13000b4512897aae27b7e944412a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling cortex-m-rt v0.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling stm32f4 v0.15.1
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling stm32f4xx-hal v0.20.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling sequential-storage v2.0.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking embedded-storage-async v0.4.1
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling document-features v0.2.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling enumflags2_derive v0.7.9
[INFO] [stderr]     Checking enumflags2 v0.7.9
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking f4-w25q v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/w25q.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DeviceId(u8);
[INFO] [stdout]    |            -------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `DeviceId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/w25q.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DeviceId(u8);
[INFO] [stdout]    |            -------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `DeviceId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `f4_w25q::embedded_storage`
[INFO] [stdout]   --> examples/sequential.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | use f4_w25q::embedded_storage::W25QSequentialStorage;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ could not find `embedded_storage` in `f4_w25q`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub mod embedded_storage;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] note: the item is gated behind the `embedded-storage` feature
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:6:7
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[cfg(feature = "embedded-storage")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `f4-w25q` (example "sequential") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b29884e87398fe712562c59a73a75837d07b13000b4512897aae27b7e944412a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29884e87398fe712562c59a73a75837d07b13000b4512897aae27b7e944412a", kill_on_drop: false }`
[INFO] [stdout] b29884e87398fe712562c59a73a75837d07b13000b4512897aae27b7e944412a
