[INFO] fetching crate ldpc-toolbox 0.10.1...
[INFO] checking ldpc-toolbox-0.10.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ldpc-toolbox 0.10.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ldpc-toolbox 0.10.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ldpc-toolbox 0.10.1
[INFO] tweaked toml for crates.io crate ldpc-toolbox 0.10.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ldpc-toolbox 0.10.1 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] crate crates.io crate ldpc-toolbox 0.10.1 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-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] 3499a09d38e1be94c864c09e448217251619fa86453014833595462ea6fcf207
[INFO] running `Command { std: "docker" "start" "-a" "3499a09d38e1be94c864c09e448217251619fa86453014833595462ea6fcf207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3499a09d38e1be94c864c09e448217251619fa86453014833595462ea6fcf207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3499a09d38e1be94c864c09e448217251619fa86453014833595462ea6fcf207", kill_on_drop: false }`
[INFO] [stdout] 3499a09d38e1be94c864c09e448217251619fa86453014833595462ea6fcf207
[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] 59d5d7706c97bb73d1fe563ddaf7b0a5f8c79f7febfe3597da3b14a6265c3d02
[INFO] running `Command { std: "docker" "start" "-a" "59d5d7706c97bb73d1fe563ddaf7b0a5f8c79f7febfe3597da3b14a6265c3d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking ctrlc v3.4.7
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling enum-iterator-derive v1.4.0
[INFO] [stderr]    Compiling termination_attrib v0.1.1
[INFO] [stderr]     Checking termination v0.1.2
[INFO] [stderr]     Checking enum-iterator v2.1.0
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]     Checking ldpc-toolbox v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/c_api.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     usize::try_from(n).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] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sparse/bfs.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new(h: &SparseMatrix, node: Node) -> BFSContext {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^                 ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new(h: &SparseMatrix, node: Node) -> BFSContext<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/c_api.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     usize::try_from(n).unwrap()
[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 `ldpc-toolbox` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sparse/bfs.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new(h: &SparseMatrix, node: Node) -> BFSContext {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^                 ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new(h: &SparseMatrix, node: Node) -> BFSContext<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ldpc-toolbox` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "59d5d7706c97bb73d1fe563ddaf7b0a5f8c79f7febfe3597da3b14a6265c3d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d5d7706c97bb73d1fe563ddaf7b0a5f8c79f7febfe3597da3b14a6265c3d02", kill_on_drop: false }`
[INFO] [stdout] 59d5d7706c97bb73d1fe563ddaf7b0a5f8c79f7febfe3597da3b14a6265c3d02
