[INFO] fetching crate prio 0.6.1...
[INFO] checking prio-0.6.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate prio 0.6.1 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate prio 0.6.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-19/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate prio 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate prio 0.6.1
[INFO] tweaked toml for crates.io crate prio 0.6.1 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate prio 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctr v0.8.0
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[INFO] [stderr]   Downloaded modinverse v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1943f772ffc41252d8e66f18aa0422547e0c12a8370f730c7ab6dfbd360b05c4
[INFO] running `Command { std: "docker" "start" "-a" "1943f772ffc41252d8e66f18aa0422547e0c12a8370f730c7ab6dfbd360b05c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1943f772ffc41252d8e66f18aa0422547e0c12a8370f730c7ab6dfbd360b05c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1943f772ffc41252d8e66f18aa0422547e0c12a8370f730c7ab6dfbd360b05c4", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 871ff20ecadbc7ac05a610710d1e4d8bf142a281a14d081f6238fc98865918b7
[INFO] running `Command { std: "docker" "start" "-a" "871ff20ecadbc7ac05a610710d1e4d8bf142a281a14d081f6238fc98865918b7", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking aes-gcm v0.9.4
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[INFO] [stderr]    Compiling thiserror-impl v1.0.30
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[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking prio v0.6.1 (/opt/rustwide/workdir)
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[INFO] [stdout] error[E0432]: unresolved import `prio::test_vector`
[INFO] [stdout]  --> tests/backward_compatibility.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use prio::{test_vector::Priov2TestVector, util::reconstruct_shares};
[INFO] [stdout]   |            ^^^^^^^^^^^ could not find `test_vector` in `prio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prio` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]  --> src/fp.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{prelude::*, Rng};
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> src/test_vector.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::Rng;
[INFO] [stdout]    |     ^^^^ help: a similar path exists: `ring::rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> src/polynomial.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |     use rand::prelude::*;
[INFO] [stdout]     |         ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]    --> src/util.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         use rand::Rng;
[INFO] [stdout]     |             ^^^^ help: a similar path exists: `ring::rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/fp.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{prelude::*, Rng};
[INFO] [stdout]   |     ^^^^ help: a similar path exists: `ring::rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> src/encrypt.rs:193:37
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let data = (0..100).map(|_| rand::random::<u8>()).collect::<Vec<u8>>();
[INFO] [stdout]     |                                     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> src/fp.rs:197:23
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let uniform = rand::distributions::Uniform::from(0..self.p);
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> src/fp.rs:471:23
[INFO] [stdout]     |
[INFO] [stdout] 471 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> src/test_vector.rs:108:23
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> src/util.rs:139:23
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `random` in this scope
[INFO] [stdout]    --> src/polynomial.rs:342:32
[INFO] [stdout]     |
[INFO] [stdout] 342 |         .map(|_| Field32::from(random::<u32>()))
[INFO] [stdout]     |                                ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "871ff20ecadbc7ac05a610710d1e4d8bf142a281a14d081f6238fc98865918b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871ff20ecadbc7ac05a610710d1e4d8bf142a281a14d081f6238fc98865918b7", kill_on_drop: false }`
[INFO] [stdout] 871ff20ecadbc7ac05a610710d1e4d8bf142a281a14d081f6238fc98865918b7