[INFO] fetching crate bustools_algorithms 0.1.0...
[INFO] checking bustools_algorithms-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bustools_algorithms 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate bustools_algorithms 0.1.0
[INFO] finished tweaking crates.io crate bustools_algorithms 0.1.0
[INFO] tweaked toml for crates.io crate bustools_algorithms 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bustools_algorithms 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 bustools_algorithms 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fe7dfd9c4c9f0cd26695ba1d6b7af273bd63eea913dd638cce0f1bb54d7f72c3
[INFO] running `Command { std: "docker" "start" "-a" "fe7dfd9c4c9f0cd26695ba1d6b7af273bd63eea913dd638cce0f1bb54d7f72c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe7dfd9c4c9f0cd26695ba1d6b7af273bd63eea913dd638cce0f1bb54d7f72c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7dfd9c4c9f0cd26695ba1d6b7af273bd63eea913dd638cce0f1bb54d7f72c3", kill_on_drop: false }`
[INFO] [stdout] fe7dfd9c4c9f0cd26695ba1d6b7af273bd63eea913dd638cce0f1bb54d7f72c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9cf61ae8e8ec24b9be5f8238c03efd6fe284bd7faab7f163d5837caec8d9149d
[INFO] running `Command { std: "docker" "start" "-a" "9cf61ae8e8ec24b9be5f8238c03efd6fe284bd7faab7f163d5837caec8d9149d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking bitpacking v0.9.2
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking clap_builder v4.5.47
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking special v0.10.3
[INFO] [stderr]     Checking random v0.13.2
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking probability v0.20.3
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.22.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking clap v4.5.47
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.12
[INFO] [stderr]    Compiling rkyv_derive v0.7.45
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking fastfibonacci v1.3.0
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking sprs v0.11.3
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking nalgebra v0.32.6
[INFO] [stderr]     Checking newpfd v0.8.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking bustools_core v0.14.1
[INFO] [stderr]     Checking statrs v0.17.1
[INFO] [stderr]     Checking bustools_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ndarray::arr2`
[INFO] [stdout]    --> src/countmatrix.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     use ndarray::arr2;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/multinomial.rs:230:33
[INFO] [stdout]     |
[INFO] [stdout] 230 |               let n_size: usize = n
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 231 | |                 .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 `bustools_algorithms` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9cf61ae8e8ec24b9be5f8238c03efd6fe284bd7faab7f163d5837caec8d9149d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf61ae8e8ec24b9be5f8238c03efd6fe284bd7faab7f163d5837caec8d9149d", kill_on_drop: false }`
[INFO] [stdout] 9cf61ae8e8ec24b9be5f8238c03efd6fe284bd7faab7f163d5837caec8d9149d