[INFO] fetching crate device-driver 1.0.7...
[INFO] checking device-driver-1.0.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate device-driver 1.0.7 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate device-driver 1.0.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate device-driver 1.0.7
[INFO] tweaked toml for crates.io crate device-driver 1.0.7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate device-driver 1.0.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate device-driver 1.0.7 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 324b620ea1f26d6fc1f60210ce490d7372d9a40dd1159f8b2badf64db6e2980c
[INFO] running `Command { std: "docker" "start" "-a" "324b620ea1f26d6fc1f60210ce490d7372d9a40dd1159f8b2badf64db6e2980c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "324b620ea1f26d6fc1f60210ce490d7372d9a40dd1159f8b2badf64db6e2980c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324b620ea1f26d6fc1f60210ce490d7372d9a40dd1159f8b2badf64db6e2980c", kill_on_drop: false }`
[INFO] [stdout] 324b620ea1f26d6fc1f60210ce490d7372d9a40dd1159f8b2badf64db6e2980c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f85047997bc0bfb7533467cd1972218bd0de4a44cd0e25c09e49fd061286184b
[INFO] running `Command { std: "docker" "start" "-a" "f85047997bc0bfb7533467cd1972218bd0de4a44cd0e25c09e49fd061286184b", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling winnow v0.6.24
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling yaml-rust2 v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]    Compiling askama_parser v0.14.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling kdl v6.3.4
[INFO] [stderr]    Compiling askama_derive v0.14.0
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling dd-manifest-tree v1.0.0
[INFO] [stderr]    Compiling askama v0.14.0
[INFO] [stderr]    Compiling device-driver-generation v1.0.7
[INFO] [stderr]    Compiling device-driver-macros v1.0.7
[INFO] [stderr]     Checking device-driver v1.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<GenDefaultEnum, Infallible>
[INFO] [stdout]   --> tests/type-conversions.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | / device_driver::create_device!(
[INFO] [stdout] 48 | |     device_name: MyTestDevice,
[INFO] [stdout] 49 | |     dsl: {
[INFO] [stdout] 50 | |         config {
[INFO] [stdout] ...  |
[INFO] [stdout] 93 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `device_driver::create_device` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GenCatchAllEnum, Infallible>
[INFO] [stdout]   --> tests/type-conversions.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | / device_driver::create_device!(
[INFO] [stdout] 48 | |     device_name: MyTestDevice,
[INFO] [stdout] 49 | |     dsl: {
[INFO] [stdout] 50 | |         config {
[INFO] [stdout] ...  |
[INFO] [stdout] 93 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `device_driver::create_device` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Error>
[INFO] [stdout]   --> tests/basic-buffer.rs:24:95
[INFO] [stdout]    |
[INFO] [stdout] 24 |       fn write(&mut self, address: Self::AddressType, buf: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]    |  _______________________________________________________________________________________________^
[INFO] [stdout] 25 | |         self.last_address = address;
[INFO] [stdout] 26 | |         self.last_val = buf.to_vec();
[INFO] [stdout] 27 | |         Ok(buf.len())
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Error>
[INFO] [stdout]   --> tests/basic-buffer.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Ok(buf.len())
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Error>
[INFO] [stdout]   --> tests/basic-buffer.rs:35:98
[INFO] [stdout]    |
[INFO] [stdout] 35 |       fn read(&mut self, address: Self::AddressType, buf: &mut [u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]    |  __________________________________________________________________________________________________^
[INFO] [stdout] 36 | |         self.last_address = address;
[INFO] [stdout] 37 | |         let len = self.last_val.len().min(buf.len());
[INFO] [stdout] 38 | |         buf[..len].copy_from_slice(&self.last_val[..len]);
[INFO] [stdout] 39 | |         Ok(len)
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Error>
[INFO] [stdout]   --> tests/basic-buffer.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Ok(len)
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Error>
[INFO] [stdout]   --> tests/basic-buffer.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     device.wo_buf().write(&[0, 1, 2, 3]).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Error>
[INFO] [stdout]   --> tests/basic-buffer.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let len = device.ro_buf().read(&mut buffer).unwrap();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `device-driver` (test "type-conversions") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `device-driver` (test "basic-buffer") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "f85047997bc0bfb7533467cd1972218bd0de4a44cd0e25c09e49fd061286184b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85047997bc0bfb7533467cd1972218bd0de4a44cd0e25c09e49fd061286184b", kill_on_drop: false }`
[INFO] [stdout] f85047997bc0bfb7533467cd1972218bd0de4a44cd0e25c09e49fd061286184b
