[INFO] cloning repository https://github.com/Fabio3rs/nvidia-fan-control-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fabio3rs/nvidia-fan-control-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabio3rs%2Fnvidia-fan-control-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabio3rs%2Fnvidia-fan-control-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80af143f955d765315c9f9be65e30708ea885ed7
[INFO] checking Fabio3rs/nvidia-fan-control-rs 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%2FFabio3rs%2Fnvidia-fan-control-rs" "/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/Fabio3rs/nvidia-fan-control-rs
[INFO] finished tweaking git repo https://github.com/Fabio3rs/nvidia-fan-control-rs
[INFO] tweaked toml for git repo https://github.com/Fabio3rs/nvidia-fan-control-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Fabio3rs/nvidia-fan-control-rs 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/Fabio3rs/nvidia-fan-control-rs 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] b6623b9382316826ee1919ee4fe5d83251c4f161cc49fc84e4af4368762e09f3
[INFO] running `Command { std: "docker" "start" "-a" "b6623b9382316826ee1919ee4fe5d83251c4f161cc49fc84e4af4368762e09f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6623b9382316826ee1919ee4fe5d83251c4f161cc49fc84e4af4368762e09f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6623b9382316826ee1919ee4fe5d83251c4f161cc49fc84e4af4368762e09f3", kill_on_drop: false }`
[INFO] [stdout] b6623b9382316826ee1919ee4fe5d83251c4f161cc49fc84e4af4368762e09f3
[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] f37749c63f8c56b0906584ad734052f7db3b25551edb32b8e91421193175fb53
[INFO] running `Command { std: "docker" "start" "-a" "f37749c63f8c56b0906584ad734052f7db3b25551edb32b8e91421193175fb53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking nvidia-fan-control-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[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 `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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 `nvidia-fan-control-rs` (bin "nvidia-fan-control-rs" test) due to 16 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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[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 `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nvidia-fan-control-rs` (bin "nvidia-fan-control-rs") due to 16 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (_a, _b, c) = scan_fmt!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 31 | |         m,                        // input string
[INFO] [stdout] 32 | |         "Attribute {} ({}): {}.", // format
[INFO] [stdout] 33 | |         String,
[INFO] [stdout] 34 | |         String,
[INFO] [stdout] 35 | |         u32
[INFO] [stdout] 36 | |     )?;
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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] running `Command { std: "docker" "inspect" "f37749c63f8c56b0906584ad734052f7db3b25551edb32b8e91421193175fb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37749c63f8c56b0906584ad734052f7db3b25551edb32b8e91421193175fb53", kill_on_drop: false }`
[INFO] [stdout] f37749c63f8c56b0906584ad734052f7db3b25551edb32b8e91421193175fb53
