[INFO] cloning repository https://github.com/ptrpaws/kindle-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ptrpaws/kindle-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptrpaws%2Fkindle-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptrpaws%2Fkindle-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 665deb9292ac856310cd054a86891a27332405ac
[INFO] checking ptrpaws/kindle-tool 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%2Fptrpaws%2Fkindle-tool" "/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/ptrpaws/kindle-tool
[INFO] finished tweaking git repo https://github.com/ptrpaws/kindle-tool
[INFO] tweaked toml for git repo https://github.com/ptrpaws/kindle-tool written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ptrpaws/kindle-tool 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/ptrpaws/kindle-tool 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] d187b4efe373aa1b5741fb49b0dc0766a79c785e99f5afde8a0026bf581c0667
[INFO] running `Command { std: "docker" "start" "-a" "d187b4efe373aa1b5741fb49b0dc0766a79c785e99f5afde8a0026bf581c0667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d187b4efe373aa1b5741fb49b0dc0766a79c785e99f5afde8a0026bf581c0667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d187b4efe373aa1b5741fb49b0dc0766a79c785e99f5afde8a0026bf581c0667", kill_on_drop: false }`
[INFO] [stdout] d187b4efe373aa1b5741fb49b0dc0766a79c785e99f5afde8a0026bf581c0667
[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] f814d49557e5c27a9e31214458e81dae36ba09630aa2727a30abaaf258dda22a
[INFO] running `Command { std: "docker" "start" "-a" "f814d49557e5c27a9e31214458e81dae36ba09630aa2727a30abaaf258dda22a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling binrw_derive v0.15.0
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]    Compiling binrw v0.15.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking clap_builder v4.5.48
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]     Checking clap v4.5.48
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking kindle-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:504:16
[INFO] [stdout]     |
[INFO] [stdout] 504 |   #[br(count = num_devices)]
[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]    --> src/lib.rs:511:16
[INFO] [stdout]     |
[INFO] [stdout] 511 |   #[br(count = num_metadata)]
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:658:16
[INFO] [stdout]     |
[INFO] [stdout] 658 |   #[br(count = num_devices)]
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:504:16
[INFO] [stdout]     |
[INFO] [stdout] 504 |   #[br(count = num_devices)]
[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]    --> src/lib.rs:511:16
[INFO] [stdout]     |
[INFO] [stdout] 511 |   #[br(count = num_metadata)]
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:658:16
[INFO] [stdout]     |
[INFO] [stdout] 658 |   #[br(count = num_devices)]
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kindle-tool` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kindle-tool` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f814d49557e5c27a9e31214458e81dae36ba09630aa2727a30abaaf258dda22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f814d49557e5c27a9e31214458e81dae36ba09630aa2727a30abaaf258dda22a", kill_on_drop: false }`
[INFO] [stdout] f814d49557e5c27a9e31214458e81dae36ba09630aa2727a30abaaf258dda22a
