[INFO] fetching crate prio 0.16.8...
[INFO] testing prio-0.16.8 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate prio 0.16.8 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate prio 0.16.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate prio 0.16.8
[INFO] tweaked toml for crates.io crate prio 0.16.8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prio 0.16.8 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prio 0.16.8 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modinverse v0.1.1
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded clap v4.3.0
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded clap_lex v0.5.0
[INFO] [stderr]   Downloaded bytemuck v1.12.1
[INFO] [stderr]   Downloaded is-terminal v0.4.7
[INFO] [stderr]   Downloaded clap_builder v4.3.0
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded syn v1.0.104
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] [stderr]   Downloaded zipf v7.0.1
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] [stderr]   Downloaded safe_arch v0.7.0
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ab7fb638ee29d43b3d76c1c649b1560cdb414d7553b0b1860bdf9b9ee16f5e1
[INFO] running `Command { std: "docker" "start" "-a" "0ab7fb638ee29d43b3d76c1c649b1560cdb414d7553b0b1860bdf9b9ee16f5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ab7fb638ee29d43b3d76c1c649b1560cdb414d7553b0b1860bdf9b9ee16f5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab7fb638ee29d43b3d76c1c649b1560cdb414d7553b0b1860bdf9b9ee16f5e1", kill_on_drop: false }`
[INFO] [stdout] 0ab7fb638ee29d43b3d76c1c649b1560cdb414d7553b0b1860bdf9b9ee16f5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1f52218cc6bdf014082b209dd694b1e6823db0c79856ac92a19632264c8369e
[INFO] running `Command { std: "docker" "start" "-a" "d1f52218cc6bdf014082b209dd694b1e6823db0c79856ac92a19632264c8369e", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling prio v0.16.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.90s
[INFO] running `Command { std: "docker" "inspect" "d1f52218cc6bdf014082b209dd694b1e6823db0c79856ac92a19632264c8369e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f52218cc6bdf014082b209dd694b1e6823db0c79856ac92a19632264c8369e", kill_on_drop: false }`
[INFO] [stdout] d1f52218cc6bdf014082b209dd694b1e6823db0c79856ac92a19632264c8369e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afeb40df62a48d24eb9a3e1b66de2f7334a103f62ecade2bf8d5ab3a2b38e07a
[INFO] running `Command { std: "docker" "start" "-a" "afeb40df62a48d24eb9a3e1b66de2f7334a103f62ecade2bf8d5ab3a2b38e07a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling bytemuck v1.12.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling clap_builder v4.3.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling safe_arch v0.7.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling iai v0.1.1
[INFO] [stderr]    Compiling hex-literal v0.4.1
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling wide v0.7.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling modinverse v0.1.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling simba v0.9.0
[INFO] [stderr]    Compiling clap v4.3.0
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling prio v0.16.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling statrs v0.18.0
[INFO] [stdout] error[E0432]: unresolved import `crate::flp::test_utils`
[INFO] [stdout]     --> src/flp/types.rs:1016:21
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     use crate::flp::test_utils::FlpTest;
[INFO] [stdout]      |                     ^^^^^^^^^^ could not find `test_utils` in `flp`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> src/flp.rs:757:9
[INFO] [stdout]      |
[INFO] [stdout]  755 | #[cfg(feature = "test-util")]
[INFO] [stdout]      |       --------------------- the item is gated behind the `test-util` feature
[INFO] [stdout]  756 | #[cfg_attr(docsrs, doc(cfg(feature = "test-util")))]
[INFO] [stdout]  757 | pub mod test_utils {
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::vdaf::dummy`
[INFO] [stdout]    --> src/topology/ping_pong.rs:667:9
[INFO] [stdout]     |
[INFO] [stdout] 667 |     use crate::vdaf::dummy;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ no `dummy` in `vdaf`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/vdaf.rs:748:9
[INFO] [stdout]     |
[INFO] [stdout] 746 | #[cfg(feature = "test-util")]
[INFO] [stdout]     |       --------------------- the item is gated behind the `test-util` feature
[INFO] [stdout] 747 | #[cfg_attr(docsrs, doc(cfg(feature = "test-util")))]
[INFO] [stdout] 748 | pub mod dummy;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::vdaf::test_utils`
[INFO] [stdout]     --> src/vdaf/prio3.rs:1612:9
[INFO] [stdout]      |
[INFO] [stdout] 1612 |         test_utils::{run_vdaf, run_vdaf_prepare},
[INFO] [stdout]      |         ^^^^^^^^^^ could not find `test_utils` in `vdaf`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> src/vdaf.rs:480:9
[INFO] [stdout]      |
[INFO] [stdout]  478 | #[cfg(feature = "test-util")]
[INFO] [stdout]      |       --------------------- the item is gated behind the `test-util` feature
[INFO] [stdout]  479 | #[cfg_attr(docsrs, doc(cfg(feature = "test-util")))]
[INFO] [stdout]  480 | pub mod test_utils {
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `super::check_test_vec`, `super::check_test_vec_custom_de`
[INFO] [stdout]    --> src/vdaf/prio3_test.rs:251:17
[INFO] [stdout]     |
[INFO] [stdout] 251 |     use super::{check_test_vec, check_test_vec_custom_de, Prio3CountMeasurement};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^ no `check_test_vec_custom_de` in `vdaf::prio3_test`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 no `check_test_vec` in `vdaf::prio3_test`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/vdaf/prio3_test.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | #[cfg(feature = "test-util")]
[INFO] [stdout]     |       --------------------- the item is gated behind the `test-util` feature
[INFO] [stdout] 217 | #[cfg_attr(docsrs, doc(cfg(feature = "test-util")))]
[INFO] [stdout] 218 | pub fn check_test_vec<M, A, T, P, const SEED_SIZE: usize>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/vdaf/prio3_test.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | #[cfg(feature = "test-util")]
[INFO] [stdout]     |       --------------------- the item is gated behind the `test-util` feature
[INFO] [stdout] 197 | #[cfg_attr(docsrs, doc(cfg(feature = "test-util")))]
[INFO] [stdout] 198 | pub fn check_test_vec_custom_de<MS, MP, A, T, P, const SEED_SIZE: usize>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     --> src/field.rs:1079:20
[INFO] [stdout]      |
[INFO] [stdout] 1079 |         let json = serde_json::to_string(&test_input).unwrap();
[INFO] [stdout]      |                    ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     --> src/field.rs:1080:28
[INFO] [stdout]      |
[INFO] [stdout] 1080 |         let deserialized = serde_json::from_str::<F>(&json).unwrap();
[INFO] [stdout]      |                            ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     --> src/field.rs:1083:21
[INFO] [stdout]      |
[INFO] [stdout] 1083 |         let value = serde_json::from_str::<serde_json::Value>(&json).unwrap();
[INFO] [stdout]      |                     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> src/field.rs:1086:13
[INFO] [stdout]      |
[INFO] [stdout] 1086 |             element.as_u64().unwrap();
[INFO] [stdout]      |             ^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/topology/ping_pong.rs:909:27
[INFO] [stdout]     |
[INFO] [stdout] 909 |             let got_hex = hex::encode(&encoded_val);
[INFO] [stdout]     |                           ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/topology/ping_pong.rs:937:27
[INFO] [stdout]     |
[INFO] [stdout] 937 |         let hex_encoded = hex::encode(&encoded);
[INFO] [stdout]     |                           ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]   --> src/vdaf/prio3_test.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct TEncoded(#[serde(with = "hex")] Vec<u8>);
[INFO] [stdout]    |                                ^^^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]   --> src/vdaf/prio3_test.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     #[serde(with = "hex")]
[INFO] [stdout]    |                    ^^^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]   --> src/vdaf/prio3_test.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[serde(with = "hex")]
[INFO] [stdout]    |                    ^^^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/vdaf/xof.rs:493:24
[INFO] [stdout]     |
[INFO] [stdout] 493 |         #[serde(with = "hex")]
[INFO] [stdout]     |                        ^^^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/vdaf/xof.rs:495:24
[INFO] [stdout]     |
[INFO] [stdout] 495 |         #[serde(with = "hex")]
[INFO] [stdout]     |                        ^^^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/vdaf/xof.rs:497:24
[INFO] [stdout]     |
[INFO] [stdout] 497 |         #[serde(with = "hex")]
[INFO] [stdout]     |                        ^^^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/vdaf/xof.rs:500:24
[INFO] [stdout]     |
[INFO] [stdout] 500 |         #[serde(with = "hex")]
[INFO] [stdout]     |                        ^^^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/vdaf/xof.rs:502:24
[INFO] [stdout]     |
[INFO] [stdout] 502 |         #[serde(with = "hex")]
[INFO] [stdout]     |                        ^^^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> src/vdaf/xof.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |             serde_json::from_str(include_str!("test_vec/08/XofTurboShake128.json")).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> src/vdaf/xof.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 556 |             serde_json::from_str(include_str!("test_vec/XofHmacSha256Aes128.json")).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     --> src/field.rs:1083:44
[INFO] [stdout]      |
[INFO] [stdout] 1083 |         let value = serde_json::from_str::<serde_json::Value>(&json).unwrap();
[INFO] [stdout]      |                                            ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]   --> src/vdaf/prio3_test.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     other_params: HashMap<String, serde_json::Value>,
[INFO] [stdout]    |                                   ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]   --> src/vdaf/prio3_test.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     agg_result: serde_json::Value,
[INFO] [stdout]    |                 ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prio` (lib test) due to 23 previous errors
[INFO] running `Command { std: "docker" "inspect" "afeb40df62a48d24eb9a3e1b66de2f7334a103f62ecade2bf8d5ab3a2b38e07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afeb40df62a48d24eb9a3e1b66de2f7334a103f62ecade2bf8d5ab3a2b38e07a", kill_on_drop: false }`
[INFO] [stdout] afeb40df62a48d24eb9a3e1b66de2f7334a103f62ecade2bf8d5ab3a2b38e07a
