[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 try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevortomlin%2Ffhe-lfsr" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trevortomlin/fhe-lfsr on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e342f45035539c51e69966517ef467cbf0d04604866ecee762759627f0e6de0f
[INFO] running `Command { std: "docker" "start" "-a" "e342f45035539c51e69966517ef467cbf0d04604866ecee762759627f0e6de0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e342f45035539c51e69966517ef467cbf0d04604866ecee762759627f0e6de0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e342f45035539c51e69966517ef467cbf0d04604866ecee762759627f0e6de0f", kill_on_drop: false }`
[INFO] [stdout] e342f45035539c51e69966517ef467cbf0d04604866ecee762759627f0e6de0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aafd6d9736268e62ae7cec84e0cb8aafe764cafba7d83dd18279d1ed932a2bf0
[INFO] running `Command { std: "docker" "start" "-a" "aafd6d9736268e62ae7cec84e0cb8aafe764cafba7d83dd18279d1ed932a2bf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling concrete-csprng v0.4.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling dyn-stack v0.9.1
[INFO] [stderr]    Compiling pulp v0.11.11
[INFO] [stderr]    Compiling tfhe v0.4.1
[INFO] [stderr]    Compiling aes v0.8.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling concrete-fft v0.3.0
[INFO] [stderr]    Compiling pulp v0.13.2
[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 31s
[INFO] running `Command { std: "docker" "inspect" "aafd6d9736268e62ae7cec84e0cb8aafe764cafba7d83dd18279d1ed932a2bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafd6d9736268e62ae7cec84e0cb8aafe764cafba7d83dd18279d1ed932a2bf0", kill_on_drop: false }`
[INFO] [stdout] aafd6d9736268e62ae7cec84e0cb8aafe764cafba7d83dd18279d1ed932a2bf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d867de743481b56a143bc74ee370d5f3d91df8929d9fb81a30ed12d84ec103b3
[INFO] running `Command { std: "docker" "start" "-a" "d867de743481b56a143bc74ee370d5f3d91df8929d9fb81a30ed12d84ec103b3", 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 2.14s
[INFO] running `Command { std: "docker" "inspect" "d867de743481b56a143bc74ee370d5f3d91df8929d9fb81a30ed12d84ec103b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d867de743481b56a143bc74ee370d5f3d91df8929d9fb81a30ed12d84ec103b3", kill_on_drop: false }`
[INFO] [stdout] d867de743481b56a143bc74ee370d5f3d91df8929d9fb81a30ed12d84ec103b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f86c102086054970ef043e717112d48ce196674deadba48240068a2809ce512
[INFO] running `Command { std: "docker" "start" "-a" "2f86c102086054970ef043e717112d48ce196674deadba48240068a2809ce512", 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 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fhe_lfsr-df7fc44b5e4dd3c0)
[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" "2f86c102086054970ef043e717112d48ce196674deadba48240068a2809ce512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f86c102086054970ef043e717112d48ce196674deadba48240068a2809ce512", kill_on_drop: false }`
[INFO] [stdout] 2f86c102086054970ef043e717112d48ce196674deadba48240068a2809ce512
