[INFO] cloning repository https://github.com/joaquinlpereyra/crypto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joaquinlpereyra/crypto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaquinlpereyra%2Fcrypto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaquinlpereyra%2Fcrypto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3522ff80fbba1456c849a07de698165ebd4e112
[INFO] testing joaquinlpereyra/crypto against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaquinlpereyra%2Fcrypto" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaquinlpereyra/crypto on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joaquinlpereyra/crypto
[INFO] finished tweaking git repo https://github.com/joaquinlpereyra/crypto
[INFO] tweaked toml for git repo https://github.com/joaquinlpereyra/crypto written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/joaquinlpereyra/crypto already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd3ecebd0b7d65576d9df2e7ca9903a88cc1a27357b57155378214a8a8b11917
[INFO] running `Command { std: "docker" "start" "-a" "fd3ecebd0b7d65576d9df2e7ca9903a88cc1a27357b57155378214a8a8b11917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd3ecebd0b7d65576d9df2e7ca9903a88cc1a27357b57155378214a8a8b11917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3ecebd0b7d65576d9df2e7ca9903a88cc1a27357b57155378214a8a8b11917", kill_on_drop: false }`
[INFO] [stdout] fd3ecebd0b7d65576d9df2e7ca9903a88cc1a27357b57155378214a8a8b11917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 767f9eec7f83ea4a4bfd9a92e258165e6f902e4043453d6113c9a44f5e46f0ab
[INFO] running `Command { std: "docker" "start" "-a" "767f9eec7f83ea4a4bfd9a92e258165e6f902e4043453d6113c9a44f5e46f0ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling crypto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/random/mod.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Error, Read};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/random/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_random(bytes: usize) -> Vec<u8> {
[INFO] [stdout]   |                                    ------- expected `Vec<u8>` because of return type
[INFO] [stdout] 8 |     let mut source = Urandom::new().unwrap();
[INFO] [stdout] 9 |     source.get(bytes).unwrap()
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found `usize`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Vec<u8>`
[INFO] [stdout]              found struct `Vec<usize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crypto` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "767f9eec7f83ea4a4bfd9a92e258165e6f902e4043453d6113c9a44f5e46f0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767f9eec7f83ea4a4bfd9a92e258165e6f902e4043453d6113c9a44f5e46f0ab", kill_on_drop: false }`
[INFO] [stdout] 767f9eec7f83ea4a4bfd9a92e258165e6f902e4043453d6113c9a44f5e46f0ab