[INFO] fetching crate i2cdriver 0.2.1...
[INFO] checking i2cdriver-0.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate i2cdriver 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate i2cdriver 0.2.1
[INFO] finished tweaking crates.io crate i2cdriver 0.2.1
[INFO] tweaked toml for crates.io crate i2cdriver 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate i2cdriver 0.2.1 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 i2cdriver 0.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2d10c267badc60d84be6791fccf1f6734a150a9d277115507baa3d3c4be938bf
[INFO] running `Command { std: "docker" "start" "-a" "2d10c267badc60d84be6791fccf1f6734a150a9d277115507baa3d3c4be938bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d10c267badc60d84be6791fccf1f6734a150a9d277115507baa3d3c4be938bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d10c267badc60d84be6791fccf1f6734a150a9d277115507baa3d3c4be938bf", kill_on_drop: false }`
[INFO] [stdout] 2d10c267badc60d84be6791fccf1f6734a150a9d277115507baa3d3c4be938bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d5ba0e2f355b08db75fb713b45f01df2eb144586e8d6532e1894a5f068625a60
[INFO] running `Command { std: "docker" "start" "-a" "d5ba0e2f355b08db75fb713b45f01df2eb144586e8d6532e1894a5f068625a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling lis3dh v0.4.2
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]    Compiling xflags-macros v0.3.1
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking accelerometer v0.12.0
[INFO] [stderr]     Checking xflags v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking i2cdriver v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[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 `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `i2cdriver` (lib) due to 24 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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[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 `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (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<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/status.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             scan_fmt!(s, "[{} {} {d} {f} {f} {f} {} {d} {d} {d} {d} {x}]",
[INFO] [stdout] 31 | |                 String, String, u64, f32, f32, f32, String, u8, u8, u16, u8, [hex u16])
[INFO] [stdout]    | |_______________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `i2cdriver` (lib test) due to 24 previous errors
[INFO] running `Command { std: "docker" "inspect" "d5ba0e2f355b08db75fb713b45f01df2eb144586e8d6532e1894a5f068625a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ba0e2f355b08db75fb713b45f01df2eb144586e8d6532e1894a5f068625a60", kill_on_drop: false }`
[INFO] [stdout] d5ba0e2f355b08db75fb713b45f01df2eb144586e8d6532e1894a5f068625a60