[INFO] fetching crate derive_hash_fast 0.2.3...
[INFO] checking derive_hash_fast-0.2.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate derive_hash_fast 0.2.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate derive_hash_fast 0.2.3
[INFO] finished tweaking crates.io crate derive_hash_fast 0.2.3
[INFO] tweaked toml for crates.io crate derive_hash_fast 0.2.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive_hash_fast 0.2.3 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 derive_hash_fast 0.2.3 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] b05dbc69336f0cc269f9fe337943c01ea9d48ffa405fec027c05a5708969ee20
[INFO] running `Command { std: "docker" "start" "-a" "b05dbc69336f0cc269f9fe337943c01ea9d48ffa405fec027c05a5708969ee20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b05dbc69336f0cc269f9fe337943c01ea9d48ffa405fec027c05a5708969ee20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05dbc69336f0cc269f9fe337943c01ea9d48ffa405fec027c05a5708969ee20", kill_on_drop: false }`
[INFO] [stdout] b05dbc69336f0cc269f9fe337943c01ea9d48ffa405fec027c05a5708969ee20
[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] ba764c854db3cfb059495bfc18a2d011014b2d0aa90df97de40893f75ca1e8a8
[INFO] running `Command { std: "docker" "start" "-a" "ba764c854db3cfb059495bfc18a2d011014b2d0aa90df97de40893f75ca1e8a8", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking clap_builder v4.5.43
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking rapidhash v1.4.0
[INFO] [stderr]     Checking derive_hash_fast v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling zerocopy-derive v0.8.26
[INFO] [stderr]    Compiling bytemuck_derive v1.10.1
[INFO] [stderr]    Compiling derive_arbitrary v1.4.1
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/lib.rs:125:24
[INFO] [stdout]     |
[INFO] [stdout] 125 |     u32::from_ne_bytes(padded_bytes.try_into().unwrap())
[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<[u8; 8], Infallible>
[INFO] [stdout]    --> src/lib.rs:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 |     u64::from_ne_bytes(padded_bytes.try_into().unwrap())
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 16], Infallible>
[INFO] [stdout]    --> src/lib.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |     u128::from_ne_bytes(padded_bytes.try_into().unwrap())
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 8], Infallible>
[INFO] [stdout]    --> src/lib.rs:160:48
[INFO] [stdout]     |
[INFO] [stdout] 160 |             state.write_u64(u64::from_ne_bytes(padded_bytes.try_into().unwrap()))
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 16], Infallible>
[INFO] [stdout]    --> src/lib.rs:166:50
[INFO] [stdout]     |
[INFO] [stdout] 166 |             state.write_u128(u128::from_ne_bytes(padded_bytes.try_into().unwrap()))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derive_hash_fast` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ba764c854db3cfb059495bfc18a2d011014b2d0aa90df97de40893f75ca1e8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba764c854db3cfb059495bfc18a2d011014b2d0aa90df97de40893f75ca1e8a8", kill_on_drop: false }`
[INFO] [stdout] ba764c854db3cfb059495bfc18a2d011014b2d0aa90df97de40893f75ca1e8a8
