[INFO] cloning repository https://github.com/chancehudson/hidden-r1cs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chancehudson/hidden-r1cs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchancehudson%2Fhidden-r1cs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchancehudson%2Fhidden-r1cs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c38f45ff34b24f5306b682a8af13a6ca0312ad13
[INFO] checking chancehudson/hidden-r1cs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchancehudson%2Fhidden-r1cs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/chancehudson/hidden-r1cs
[INFO] finished tweaking git repo https://github.com/chancehudson/hidden-r1cs
[INFO] tweaked toml for git repo https://github.com/chancehudson/hidden-r1cs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chancehudson/hidden-r1cs 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 git repo https://github.com/chancehudson/hidden-r1cs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] e11341e35fecba8f9d3b3cead2f27f66c69ff0ee47de31101a1eadde3bb5f36b
[INFO] running `Command { std: "docker" "start" "-a" "e11341e35fecba8f9d3b3cead2f27f66c69ff0ee47de31101a1eadde3bb5f36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e11341e35fecba8f9d3b3cead2f27f66c69ff0ee47de31101a1eadde3bb5f36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11341e35fecba8f9d3b3cead2f27f66c69ff0ee47de31101a1eadde3bb5f36b", kill_on_drop: false }`
[INFO] [stdout] e11341e35fecba8f9d3b3cead2f27f66c69ff0ee47de31101a1eadde3bb5f36b
[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] 4df60815f5c2ebf908100a0fcdae28a6d0abdc9a699dd4206990e12da31eab39
[INFO] running `Command { std: "docker" "start" "-a" "4df60815f5c2ebf908100a0fcdae28a6d0abdc9a699dd4206990e12da31eab39", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]     Checking aho-corasick v1.1.4
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[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
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[INFO] [stderr]    Compiling font-kit v0.14.3
[INFO] [stderr]     Checking dirs-sys v0.5.0
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[INFO] [stderr]     Checking const-primes v0.10.5
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]     Checking ppv-lite86 v0.2.21
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[INFO] [stderr]     Checking lettuce v0.1.2 (/opt/rustwide/workdir/lettuce)
[INFO] [stdout] warning: glob import doesn't reexport anything with visibility `pub` because no imported item is public enough
[INFO] [stdout]  --> lettuce/src/commitments/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use lwe_scalar::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the most public imported item is `pub(crate)`
[INFO] [stdout]  --> lettuce/src/commitments/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use lwe_scalar::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   = help: reduce the glob import's visibility or increase visibility of imported items
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lwe_scalar::*`
[INFO] [stdout]  --> lettuce/src/commitments/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use lwe_scalar::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: glob import doesn't reexport anything with visibility `pub` because no imported item is public enough
[INFO] [stdout]  --> lettuce/src/commitments/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use sis_scalar::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the most public imported item is `pub(crate)`
[INFO] [stdout]  --> lettuce/src/commitments/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use sis_scalar::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   = help: reduce the glob import's visibility or increase visibility of imported items
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sis_scalar::*`
[INFO] [stdout]  --> lettuce/src/commitments/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use sis_scalar::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `error`
[INFO] [stdout]   --> lettuce/src/log.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | macro_rules! error {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> lettuce/src/log.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub(crate) use error;
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: glob import doesn't reexport anything with visibility `pub` because no imported item is public enough
[INFO] [stdout]  --> lettuce/src/probability/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use chi_sq::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the most public imported item is `pub(crate)`
[INFO] [stdout]  --> lettuce/src/probability/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use chi_sq::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   = help: reduce the glob import's visibility or increase visibility of imported items
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chi_sq::*`
[INFO] [stdout]  --> lettuce/src/probability/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use chi_sq::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `check_params` is never used
[INFO] [stdout]   --> lettuce/src/commitments/bdlop.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl<const N: usize, E: FieldScalar> BDLOP<N, E> {
[INFO] [stdout]    | ------------------------------------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn check_params() -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LWEScalar` is never constructed
[INFO] [stdout]  --> lettuce/src/commitments/lwe_scalar.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct LWEScalar<E: FieldScalar> {
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `lattice_for`, `commit`, and `try_open` are never used
[INFO] [stdout]   --> lettuce/src/commitments/lwe_scalar.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<E: FieldScalar> LWEScalar<E> {
[INFO] [stdout]    | --------------------------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn lattice_for<R: Rng>(element_len: usize, rng: &mut R) -> Matrix<E> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn commit<R: Rng>(val: Vector<E>, lattice: Matrix<E>, rng: &mut R) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn try_open(&self, val: &Vector<E>, max_err: u128) -> Result<Vector<E>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SISScalar` is never constructed
[INFO] [stdout]  --> lettuce/src/commitments/sis_scalar.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) struct SISScalar<E: FieldScalar> {
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `lattice_for`, `commit`, and `try_open` are never used
[INFO] [stdout]   --> lettuce/src/commitments/sis_scalar.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<E: FieldScalar> SISScalar<E> {
[INFO] [stdout]    | --------------------------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn lattice_for<R: Rng>(element_len: usize, rng: &mut R) -> Matrix<E> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn commit(val: Vector<E>, lattice: Matrix<E>) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn try_open(&self, val: &Vector<E>, max_dist: u128) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chi_sq_95` is never used
[INFO] [stdout]  --> lettuce/src/probability/chi_sq.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn chi_sq_95(df: usize) -> f64 {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `prob` is never used
[INFO] [stdout]    --> lettuce/src/probability/gaussian.rs:244:19
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl GaussianCDT {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub(crate) fn prob(&self, disp: &i32) -> f64 {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> lettuce/src/lib.rs:215:35
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut out = Vector::new(parts_len.try_into().expect("base too large"));
[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 `lettuce` (lib) due to 1 previous error; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4df60815f5c2ebf908100a0fcdae28a6d0abdc9a699dd4206990e12da31eab39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df60815f5c2ebf908100a0fcdae28a6d0abdc9a699dd4206990e12da31eab39", kill_on_drop: false }`
[INFO] [stdout] 4df60815f5c2ebf908100a0fcdae28a6d0abdc9a699dd4206990e12da31eab39
