[INFO] cloning repository https://github.com/trevortomlin/fhe-lfsr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trevortomlin/fhe-lfsr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevortomlin%2Ffhe-lfsr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevortomlin%2Ffhe-lfsr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 403e3d022a13ca9db43c31d0790fab4af3fcd5c0 [INFO] testing trevortomlin/fhe-lfsr against beta-2025-09-21 for beta-1.91-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevortomlin%2Ffhe-lfsr" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/trevortomlin/fhe-lfsr [INFO] finished tweaking git repo https://github.com/trevortomlin/fhe-lfsr [INFO] tweaked toml for git repo https://github.com/trevortomlin/fhe-lfsr written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/trevortomlin/fhe-lfsr on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/trevortomlin/fhe-lfsr 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d3a674032eb3fdf23ab8dd6c6566f17bcf82b5710400d448208ac4dea2b1ae1 [INFO] running `Command { std: "docker" "start" "-a" "4d3a674032eb3fdf23ab8dd6c6566f17bcf82b5710400d448208ac4dea2b1ae1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d3a674032eb3fdf23ab8dd6c6566f17bcf82b5710400d448208ac4dea2b1ae1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d3a674032eb3fdf23ab8dd6c6566f17bcf82b5710400d448208ac4dea2b1ae1", kill_on_drop: false }` [INFO] [stdout] 4d3a674032eb3fdf23ab8dd6c6566f17bcf82b5710400d448208ac4dea2b1ae1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 796ffc6e38c7478ad93bfc775b68b955091b5588270bdb80f0495364280a4164 [INFO] running `Command { std: "docker" "start" "-a" "796ffc6e38c7478ad93bfc775b68b955091b5588270bdb80f0495364280a4164", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling bytemuck v1.14.0 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling reborrow v0.5.5 [INFO] [stderr] Compiling concrete-csprng v0.4.0 [INFO] [stderr] Compiling cpufeatures v0.2.11 [INFO] [stderr] Compiling tfhe v0.4.1 [INFO] [stderr] Compiling inout v0.1.3 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling cipher v0.4.4 [INFO] [stderr] Compiling dyn-stack v0.9.1 [INFO] [stderr] Compiling pulp v0.11.11 [INFO] [stderr] Compiling aes v0.8.3 [INFO] [stderr] Compiling num-complex v0.4.4 [INFO] [stderr] Compiling aligned-vec v0.5.0 [INFO] [stderr] Compiling pulp v0.13.2 [INFO] [stderr] Compiling concrete-fft v0.3.0 [INFO] [stderr] Compiling fhe-lfsr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `LFSR` is never constructed [INFO] [stdout] --> src/lfsr.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct LFSR { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next`, and `period` are never used [INFO] [stdout] --> src/lfsr.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl LFSR { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 7 | pub fn new(initial_state: u8) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn next(&mut self) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn period(&self) -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FHELFSR` is never constructed [INFO] [stdout] --> src/fhelfsr.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct FHELFSR { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `next` are never used [INFO] [stdout] --> src/fhelfsr.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl FHELFSR { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 9 | pub fn new(initial_state: FheUint8) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn next(&mut self) -> FheUint8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `Command { std: "docker" "inspect" "796ffc6e38c7478ad93bfc775b68b955091b5588270bdb80f0495364280a4164", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "796ffc6e38c7478ad93bfc775b68b955091b5588270bdb80f0495364280a4164", kill_on_drop: false }` [INFO] [stdout] 796ffc6e38c7478ad93bfc775b68b955091b5588270bdb80f0495364280a4164 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6994a2f625d376d2371029656f3421e2b029af0f3b760ec769f17438fb8c213d [INFO] running `Command { std: "docker" "start" "-a" "6994a2f625d376d2371029656f3421e2b029af0f3b760ec769f17438fb8c213d", kill_on_drop: false }` [INFO] [stderr] Compiling fhe-lfsr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `LFSR` is never constructed [INFO] [stdout] --> src/lfsr.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct LFSR { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next`, and `period` are never used [INFO] [stdout] --> src/lfsr.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl LFSR { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 7 | pub fn new(initial_state: u8) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn next(&mut self) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn period(&self) -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FHELFSR` is never constructed [INFO] [stdout] --> src/fhelfsr.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct FHELFSR { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `next` are never used [INFO] [stdout] --> src/fhelfsr.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl FHELFSR { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 9 | pub fn new(initial_state: FheUint8) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn next(&mut self) -> FheUint8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fhelfsr.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut fhe_initial_state = FheUint8::try_encrypt(clear_initial_state, &keys).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `initial_state` is never read [INFO] [stdout] --> src/fhelfsr.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct FHELFSR { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 4 | initial_state: FheUint8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.56s [INFO] running `Command { std: "docker" "inspect" "6994a2f625d376d2371029656f3421e2b029af0f3b760ec769f17438fb8c213d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6994a2f625d376d2371029656f3421e2b029af0f3b760ec769f17438fb8c213d", kill_on_drop: false }` [INFO] [stdout] 6994a2f625d376d2371029656f3421e2b029af0f3b760ec769f17438fb8c213d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d4530afccc70aaa1a8256563f5f81c8dd94f1f2020d2dbde39926ae5b417cc73 [INFO] running `Command { std: "docker" "start" "-a" "d4530afccc70aaa1a8256563f5f81c8dd94f1f2020d2dbde39926ae5b417cc73", kill_on_drop: false }` [INFO] [stderr] warning: struct `LFSR` is never constructed [INFO] [stderr] --> src/lfsr.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct LFSR { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `next`, and `period` are never used [INFO] [stderr] --> src/lfsr.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 6 | impl LFSR { [INFO] [stderr] | --------- associated items in this implementation [INFO] [stderr] 7 | pub fn new(initial_state: u8) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 14 | pub fn next(&mut self) -> u8 { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 21 | pub fn period(&self) -> u8 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `FHELFSR` is never constructed [INFO] [stderr] --> src/fhelfsr.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | pub struct FHELFSR { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new` and `next` are never used [INFO] [stderr] --> src/fhelfsr.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 8 | impl FHELFSR { [INFO] [stderr] | ------------ associated items in this implementation [INFO] [stderr] 9 | pub fn new(initial_state: FheUint8) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 16 | pub fn next(&mut self) -> FheUint8 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fhelfsr.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | let mut fhe_initial_state = FheUint8::try_encrypt(clear_initial_state, &keys).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `initial_state` is never read [INFO] [stderr] --> src/fhelfsr.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 3 | pub struct FHELFSR { [INFO] [stderr] | ------- field in this struct [INFO] [stderr] 4 | initial_state: FheUint8, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `fhe-lfsr` (lib) generated 4 warnings [INFO] [stderr] warning: `fhe-lfsr` (lib test) generated 2 warnings (run `cargo fix --lib -p fhe-lfsr --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fhe_lfsr-09d6a6c6c9919a2e) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test lfsr::tests::test_period ... ok [INFO] [stdout] test lfsr::tests::test_lsfr ... ok [INFO] [stdout] test fhelfsr::tests::test_lsfr has been running for over 60 seconds [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "d4530afccc70aaa1a8256563f5f81c8dd94f1f2020d2dbde39926ae5b417cc73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4530afccc70aaa1a8256563f5f81c8dd94f1f2020d2dbde39926ae5b417cc73", kill_on_drop: false }` [INFO] [stdout] d4530afccc70aaa1a8256563f5f81c8dd94f1f2020d2dbde39926ae5b417cc73