[INFO] cloning repository https://github.com/oxidecomputer/ipcc-data
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oxidecomputer/ipcc-data" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxidecomputer%2Fipcc-data", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxidecomputer%2Fipcc-data'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbaad520e1f5ae32c10db16ce176f9c24de95652
[INFO] checking oxidecomputer/ipcc-data against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxidecomputer%2Fipcc-data" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oxidecomputer/ipcc-data
[INFO] finished tweaking git repo https://github.com/oxidecomputer/ipcc-data
[INFO] tweaked toml for git repo https://github.com/oxidecomputer/ipcc-data written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oxidecomputer/ipcc-data 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 git repo https://github.com/oxidecomputer/ipcc-data 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04294ad948405b558aebcc00780354ffb8474d89e7169b9612aab217d35b49a6
[INFO] running `Command { std: "docker" "start" "-a" "04294ad948405b558aebcc00780354ffb8474d89e7169b9612aab217d35b49a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04294ad948405b558aebcc00780354ffb8474d89e7169b9612aab217d35b49a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04294ad948405b558aebcc00780354ffb8474d89e7169b9612aab217d35b49a6", kill_on_drop: false }`
[INFO] [stdout] 04294ad948405b558aebcc00780354ffb8474d89e7169b9612aab217d35b49a6
[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 -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] 599bb0cef6eb60c499ec3d25023a7de853e4c933aa9140cb9a9b9a116a2d2546
[INFO] running `Command { std: "docker" "start" "-a" "599bb0cef6eb60c499ec3d25023a7de853e4c933aa9140cb9a9b9a116a2d2546", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling binrw_derive v0.14.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling binrw v0.14.1
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling phash v0.1.0 (https://github.com/oxidecomputer/hubris#f3d51548)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smoltcp v0.9.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling zerocopy v0.8.20
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling libftdi1-sys v1.1.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking flagset v0.4.6
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]    Compiling salty v0.3.0
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking uuid v1.14.0
[INFO] [stderr]     Checking clap_builder v4.5.31
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking is-terminal v0.4.15
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking ftdi-mpsse v0.1.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]     Checking unwrap-lite v0.1.0 (https://github.com/oxidecomputer/hubris#f3d51548)
[INFO] [stderr]    Compiling libipcc v0.1.0 (/opt/rustwide/workdir/libipcc)
[INFO] [stderr]     Checking fletcher v0.3.0
[INFO] [stderr]     Checking corncobs v0.1.3
[INFO] [stderr]     Checking slog-term v2.9.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling zerocopy-derive v0.6.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.20
[INFO] [stderr]    Compiling der_derive v0.7.3
[INFO] [stderr]    Compiling hubpack_derive v0.1.1
[INFO] [stderr]    Compiling zerocopy v0.6.6
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling counters-derive v0.1.0 (https://github.com/oxidecomputer/hubris#f3d51548)
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling enum-kinds v0.5.1
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling derive_more v0.99.19
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking unescaper v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]     Checking serialport v4.7.0
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v3.12.0
[INFO] [stderr]     Checking x509-cert v0.2.5
[INFO] [stderr]     Checking ftdi v0.1.3
[INFO] [stderr]     Checking clap v4.5.31
[INFO] [stderr]     Checking hubpack v0.1.2
[INFO] [stderr]     Checking serde-big-array v0.5.1
[INFO] [stderr]     Checking serde_with v3.12.0
[INFO] [stderr]     Checking serde-big-array v0.4.1
[INFO] [stderr]     Checking oxide-barcode v0.1.0 (https://github.com/oxidecomputer/hubris#f3d51548)
[INFO] [stderr]     Checking gateway-messages v0.1.0 (https://github.com/oxidecomputer/management-gateway-service#1709a924)
[INFO] [stderr]     Checking ipcc-data v0.0.1 (/opt/rustwide/workdir/ipcc-data)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> ipcc-data/src/lib.rs:362:18
[INFO] [stdout]     |
[INFO] [stdout] 362 |     #[br(count = len.saturating_sub(3))]
[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, Infallible>
[INFO] [stdout]    --> ipcc-data/src/lib.rs:397:18
[INFO] [stdout]     |
[INFO] [stdout] 397 |     #[br(count = nitems)]
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipcc-data` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> ipcc-data/src/lib.rs:362:18
[INFO] [stdout]     |
[INFO] [stdout] 362 |     #[br(count = len.saturating_sub(3))]
[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, Infallible>
[INFO] [stdout]    --> ipcc-data/src/lib.rs:397:18
[INFO] [stdout]     |
[INFO] [stdout] 397 |     #[br(count = nitems)]
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipcc-data` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "599bb0cef6eb60c499ec3d25023a7de853e4c933aa9140cb9a9b9a116a2d2546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599bb0cef6eb60c499ec3d25023a7de853e4c933aa9140cb9a9b9a116a2d2546", kill_on_drop: false }`
[INFO] [stdout] 599bb0cef6eb60c499ec3d25023a7de853e4c933aa9140cb9a9b9a116a2d2546