[INFO] fetching crate galaxy_save_core 0.1.0...
[INFO] checking galaxy_save_core-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate galaxy_save_core 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate galaxy_save_core 0.1.0
[INFO] finished tweaking crates.io crate galaxy_save_core 0.1.0
[INFO] tweaked toml for crates.io crate galaxy_save_core 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate galaxy_save_core 0.1.0 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 galaxy_save_core 0.1.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c927b53095ac99cbef242073b61eb009dfacc205716fb18302da1e5f728a7711
[INFO] running `Command { std: "docker" "start" "-a" "c927b53095ac99cbef242073b61eb009dfacc205716fb18302da1e5f728a7711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c927b53095ac99cbef242073b61eb009dfacc205716fb18302da1e5f728a7711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c927b53095ac99cbef242073b61eb009dfacc205716fb18302da1e5f728a7711", kill_on_drop: false }`
[INFO] [stdout] c927b53095ac99cbef242073b61eb009dfacc205716fb18302da1e5f728a7711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b8721f536dfde42ea33a6fa192127f338e2d73899f9d2b7fe3edbada0a640073
[INFO] running `Command { std: "docker" "start" "-a" "b8721f536dfde42ea33a6fa192127f338e2d73899f9d2b7fe3edbada0a640073", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling binrw_derive v0.15.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling binrw v0.15.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling darling_core v0.21.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]     Checking thiserror v2.0.16
[INFO] [stderr]    Compiling darling_macro v0.21.2
[INFO] [stderr]    Compiling darling v0.21.2
[INFO] [stderr]    Compiling galaxy_save_core_derive v0.1.0
[INFO] [stderr]     Checking galaxy_save_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/bin/chunk_holder.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[br(count = chunk_num as usize)]
[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/bin/content.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[br(count = attribute_num as usize)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `galaxy_save_core` (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]   --> src/bin/chunk_holder.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[br(count = chunk_num as usize)]
[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/bin/content.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[br(count = attribute_num as usize)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `galaxy_save_core` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b8721f536dfde42ea33a6fa192127f338e2d73899f9d2b7fe3edbada0a640073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8721f536dfde42ea33a6fa192127f338e2d73899f9d2b7fe3edbada0a640073", kill_on_drop: false }`
[INFO] [stdout] b8721f536dfde42ea33a6fa192127f338e2d73899f9d2b7fe3edbada0a640073