[INFO] fetching crate vru-noise 1.3.0...
[INFO] checking vru-noise-1.3.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate vru-noise 1.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vru-noise 1.3.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vru-noise 1.3.0
[INFO] finished tweaking crates.io crate vru-noise 1.3.0
[INFO] tweaked toml for crates.io crate vru-noise 1.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 115e0ec82ad3d02c4edc1fd49ef5f957c0415e09507744430e35b157b8e7427a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "115e0ec82ad3d02c4edc1fd49ef5f957c0415e09507744430e35b157b8e7427a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "115e0ec82ad3d02c4edc1fd49ef5f957c0415e09507744430e35b157b8e7427a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115e0ec82ad3d02c4edc1fd49ef5f957c0415e09507744430e35b157b8e7427a", kill_on_drop: false }`
[INFO] [stdout] 115e0ec82ad3d02c4edc1fd49ef5f957c0415e09507744430e35b157b8e7427a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537c737f5689879ed82c6d2b627fc0c697aa749dc8b66c33584a096faaf7a224
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "537c737f5689879ed82c6d2b627fc0c697aa749dc8b66c33584a096faaf7a224", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]     Checking secp256k1 v0.20.1
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking vru-noise v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]     Checking rac v1.3.2
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]   --> src/tests.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     vectors: Vec<TestVector<'a>>,
[INFO] [stdout]    |              ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use serde::__private::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::vec::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]   --> src/tests.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 |     psks: Vec<&'a str>,
[INFO] [stdout]    |           ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use serde::__private::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::vec::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Vec`
[INFO] [stdout]    --> src/tests.rs:131:18
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut ct = Vec::new();
[INFO] [stdout]     |                  ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::__private::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Vec`
[INFO] [stdout]    --> src/tests.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut ct = Vec::new();
[INFO] [stdout]     |                  ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::__private::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Vec`
[INFO] [stdout]    --> src/tests.rs:143:18
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let mut ct = Vec::new();
[INFO] [stdout]     |                  ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::__private::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `'a` is never used
[INFO] [stdout]   --> src/tests.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Cacophony<'a> {
[INFO] [stdout]    |                      ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vru-noise`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "537c737f5689879ed82c6d2b627fc0c697aa749dc8b66c33584a096faaf7a224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537c737f5689879ed82c6d2b627fc0c697aa749dc8b66c33584a096faaf7a224", kill_on_drop: false }`
[INFO] [stdout] 537c737f5689879ed82c6d2b627fc0c697aa749dc8b66c33584a096faaf7a224