[INFO] fetching crate coding_benchmark 0.1.4...
[INFO] checking coding_benchmark-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate coding_benchmark 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate coding_benchmark 0.1.4
[INFO] finished tweaking crates.io crate coding_benchmark 0.1.4
[INFO] tweaked toml for crates.io crate coding_benchmark 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate coding_benchmark 0.1.4 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 coding_benchmark 0.1.4 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] eb2baccd026da9528a350360eabd797b90007bb9e57e3c5311ca32e673e150b3
[INFO] running `Command { std: "docker" "start" "-a" "eb2baccd026da9528a350360eabd797b90007bb9e57e3c5311ca32e673e150b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb2baccd026da9528a350360eabd797b90007bb9e57e3c5311ca32e673e150b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2baccd026da9528a350360eabd797b90007bb9e57e3c5311ca32e673e150b3", kill_on_drop: false }`
[INFO] [stdout] eb2baccd026da9528a350360eabd797b90007bb9e57e3c5311ca32e673e150b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 55564d1c86cfd084089abfab6f9d4fabb4f07bc68ba48edadf17527235a74c49
[INFO] running `Command { std: "docker" "start" "-a" "55564d1c86cfd084089abfab6f9d4fabb4f07bc68ba48edadf17527235a74c49", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking dyn_size_of v0.4.4
[INFO] [stderr]     Checking random v0.13.2
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking binout v0.3.0
[INFO] [stderr]     Checking co_sort v0.2.0
[INFO] [stderr]     Checking fsum v0.1.2
[INFO] [stderr]     Checking butils v0.1.0
[INFO] [stderr]     Checking clap_builder v4.5.29
[INFO] [stderr]     Checking bitm v0.5.0
[INFO] [stderr]     Checking special v0.10.3
[INFO] [stderr]     Checking minimum_redundancy v0.3.2
[INFO] [stderr]     Checking probability v0.20.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking huffman-compress v0.6.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking clap v4.5.29
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking constriction v0.3.5
[INFO] [stderr]     Checking coding_benchmark v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u32>, Infallible>
[INFO] [stdout]   --> src/constriction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     encoder.into_compressed().unwrap_infallible()
[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<Vec<u32>, Infallible>
[INFO] [stdout]   --> src/constriction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     encoder.into_compressed().unwrap_infallible()
[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 `coding_benchmark` (bin "coding_benchmark") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `coding_benchmark` (bin "coding_benchmark" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "55564d1c86cfd084089abfab6f9d4fabb4f07bc68ba48edadf17527235a74c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55564d1c86cfd084089abfab6f9d4fabb4f07bc68ba48edadf17527235a74c49", kill_on_drop: false }`
[INFO] [stdout] 55564d1c86cfd084089abfab6f9d4fabb4f07bc68ba48edadf17527235a74c49