[INFO] fetching crate rust-bls-bn254 0.2.1...
[INFO] checking rust-bls-bn254-0.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rust-bls-bn254 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rust-bls-bn254 0.2.1
[INFO] finished tweaking crates.io crate rust-bls-bn254 0.2.1
[INFO] tweaked toml for crates.io crate rust-bls-bn254 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-bls-bn254 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 110 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hex-literal v0.4.1 (available: v1.1.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.9.3)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5b226022004d7693eedbd77cc315ef7735d978c5acd257de7cf1f2c5ce1fe942
[INFO] running `Command { std: "docker" "start" "-a" "5b226022004d7693eedbd77cc315ef7735d978c5acd257de7cf1f2c5ce1fe942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b226022004d7693eedbd77cc315ef7735d978c5acd257de7cf1f2c5ce1fe942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b226022004d7693eedbd77cc315ef7735d978c5acd257de7cf1f2c5ce1fe942", kill_on_drop: false }`
[INFO] [stdout] 5b226022004d7693eedbd77cc315ef7735d978c5acd257de7cf1f2c5ce1fe942
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1616bb5384d51d8bfdfdcbded5bf18caa64559cfa2043bf4d81233b83a8b4b91
[INFO] running `Command { std: "docker" "start" "-a" "1616bb5384d51d8bfdfdcbded5bf18caa64559cfa2043bf4d81233b83a8b4b91", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking ark-std v0.5.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking scrypt v0.11.0
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking proptest v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.2
[INFO] [stderr]    Compiling ark-serialize-derive v0.5.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling ark-ff-asm v0.5.0
[INFO] [stderr]    Compiling ark-ff-macros v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling enum-ordinalize v4.3.2
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]    Compiling educe v0.6.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking ark-serialize v0.5.0
[INFO] [stderr]     Checking ark-ff v0.5.0
[INFO] [stderr]     Checking ark-poly v0.5.0
[INFO] [stderr]     Checking ark-ec v0.5.0
[INFO] [stderr]     Checking ark-bn254 v0.5.0
[INFO] [stderr]     Checking rust-bls-bn254 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> src/utils.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     hasher
[INFO] [stdout] 19 | |         .finalize()
[INFO] [stdout] 20 | |         .try_into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-bls-bn254` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> src/utils.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     hasher
[INFO] [stdout] 19 | |         .finalize()
[INFO] [stdout] 20 | |         .try_into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-bls-bn254` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1616bb5384d51d8bfdfdcbded5bf18caa64559cfa2043bf4d81233b83a8b4b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1616bb5384d51d8bfdfdcbded5bf18caa64559cfa2043bf4d81233b83a8b4b91", kill_on_drop: false }`
[INFO] [stdout] 1616bb5384d51d8bfdfdcbded5bf18caa64559cfa2043bf4d81233b83a8b4b91