[INFO] fetching crate mnemos 0.1.0...
[INFO] documenting mnemos-0.1.0 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate mnemos 0.1.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate mnemos 0.1.0 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-112/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mnemos 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mnemos 0.1.0
[INFO] tweaked toml for crates.io crate mnemos 0.1.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate crates.io crate mnemos 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded smart-leds v0.3.0
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[INFO] [stderr]   Downloaded gcd v2.1.0
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.7
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[INFO] [stderr]   Downloaded defmt-rtt v0.3.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6916b2c370241e95d54eee7eab6b8b35503d63a424be7654cddcd86c1ea22198
[INFO] running `Command { std: "docker" "start" "-a" "6916b2c370241e95d54eee7eab6b8b35503d63a424be7654cddcd86c1ea22198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6916b2c370241e95d54eee7eab6b8b35503d63a424be7654cddcd86c1ea22198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6916b2c370241e95d54eee7eab6b8b35503d63a424be7654cddcd86c1ea22198", kill_on_drop: false }`
[INFO] [stdout] 6916b2c370241e95d54eee7eab6b8b35503d63a424be7654cddcd86c1ea22198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37903d35a1374f448f280bff4154cef091933b26c83548bd40751ba8f24183f9
[INFO] running `Command { std: "docker" "start" "-a" "37903d35a1374f448f280bff4154cef091933b26c83548bd40751ba8f24183f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling defmt v0.3.1
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling defmt-macros v0.3.2
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking bytemuck v1.9.0
[INFO] [stderr]    Compiling critical-section v0.2.5
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]    Compiling fixed v1.14.0
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]    Compiling nrf52840-pac v0.10.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling nrf-hal-common v0.14.1
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]    Compiling nrf52840-hal v0.14.1
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling defmt-rtt v0.3.2
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling panic-probe v0.3.0
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking rtic-core v1.0.0
[INFO] [stderr]     Checking groundhog v0.2.5
[INFO] [stderr]     Checking rtic-monotonic v1.0.0
[INFO] [stderr]     Checking cassette v0.2.3
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rgb v0.8.32
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking usbd-serial v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.9
[INFO] [stderr]    Compiling cortex-m-rtic v1.0.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]     Checking fugit v0.3.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking nrf-usbd v0.1.1
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling rtic-syntax v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v1.0.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.3
[INFO] [stderr]     Checking bbqueue v0.5.1
[INFO] [stderr]     Checking postcard v0.7.3
[INFO] [stderr]     Checking byte-slab v0.2.2
[INFO] [stderr]     Checking mnemos-common v0.1.0
[INFO] [stderr]     Checking groundhog-nrf52 v0.5.0
[INFO] [stderr]     Checking nrf-smartled v0.5.0
[INFO] [stderr]     Checking mnemos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mnemos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/qspi.rs:181:40
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub async unsafe fn read_spicy(&mut self, start: usize, dest: *mut u8, len: usize) -> Result<(), Error> {
[INFO] [stdout]     |     ------------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 181 |         self.periph.read.dst.write(|w| unsafe { w.bits(dest as u32) });
[INFO] [stdout]     |                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout]     = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
[INFO] [stdout]     = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/qspi.rs:182:40
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub async unsafe fn read_spicy(&mut self, start: usize, dest: *mut u8, len: usize) -> Result<(), Error> {
[INFO] [stdout]     |     ------------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 182 |         self.periph.read.src.write(|w| unsafe { w.bits(start as u32)});
[INFO] [stdout]     |                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/qspi.rs:183:40
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub async unsafe fn read_spicy(&mut self, start: usize, dest: *mut u8, len: usize) -> Result<(), Error> {
[INFO] [stdout]     |     ------------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 183 |         self.periph.read.cnt.write(|w| unsafe { w.bits(len as u32)});
[INFO] [stdout]     |                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 52.68s
[INFO] running `Command { std: "docker" "inspect" "37903d35a1374f448f280bff4154cef091933b26c83548bd40751ba8f24183f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37903d35a1374f448f280bff4154cef091933b26c83548bd40751ba8f24183f9", kill_on_drop: false }`
[INFO] [stdout] 37903d35a1374f448f280bff4154cef091933b26c83548bd40751ba8f24183f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 46023f4b2f8250e89b26f3c6e65d70401a7d056dca4b2d61e6a597fe2f51e6ae
[INFO] running `Command { std: "docker" "start" "-a" "46023f4b2f8250e89b26f3c6e65d70401a7d056dca4b2d61e6a597fe2f51e6ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling defmt v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling defmt-macros v0.3.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling critical-section v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]     Checking bytemuck v1.9.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling fixed v1.14.0
[INFO] [stderr]    Compiling nrf52840-pac v0.10.1
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]    Compiling nrf-hal-common v0.14.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling nrf52840-hal v0.14.1
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling defmt-rtt v0.3.2
[INFO] [stderr]    Compiling panic-probe v0.3.0
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking groundhog v0.2.5
[INFO] [stderr]     Checking rtic-core v1.0.0
[INFO] [stderr]     Checking rtic-monotonic v1.0.0
[INFO] [stderr]     Checking cassette v0.2.3
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]     Checking rgb v0.8.32
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.9
[INFO] [stderr]    Compiling cortex-m-rtic v1.0.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking usbd-serial v0.1.1
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking fugit v0.3.5
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking nrf-usbd v0.1.1
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling rtic-syntax v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v1.0.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.3
[INFO] [stderr]     Checking bbqueue v0.5.1
[INFO] [stderr]     Checking postcard v0.7.3
[INFO] [stderr]     Checking byte-slab v0.2.2
[INFO] [stderr]     Checking mnemos-common v0.1.0
[INFO] [stderr]     Checking nrf-smartled v0.5.0
[INFO] [stderr]     Checking groundhog-nrf52 v0.5.0
[INFO] [stderr]  Documenting mnemos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 45.23s
[INFO] running `Command { std: "docker" "inspect" "46023f4b2f8250e89b26f3c6e65d70401a7d056dca4b2d61e6a597fe2f51e6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46023f4b2f8250e89b26f3c6e65d70401a7d056dca4b2d61e6a597fe2f51e6ae", kill_on_drop: false }`
[INFO] [stdout] 46023f4b2f8250e89b26f3c6e65d70401a7d056dca4b2d61e6a597fe2f51e6ae