[INFO] cloning repository https://github.com/devUserContact/rust_html_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devUserContact/rust_html_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevUserContact%2Frust_html_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevUserContact%2Frust_html_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14b7f05ea18b4725a5afad1ad00d08f757eafa54
[INFO] testing devUserContact/rust_html_gen against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevUserContact%2Frust_html_gen" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devUserContact/rust_html_gen on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devUserContact/rust_html_gen
[INFO] finished tweaking git repo https://github.com/devUserContact/rust_html_gen
[INFO] tweaked toml for git repo https://github.com/devUserContact/rust_html_gen written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/devUserContact/rust_html_gen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfc04a5d2286baa8090e02a425cd92f89d86bd1b6b8e8fb72f7e945020d008cb
[INFO] running `Command { std: "docker" "start" "-a" "cfc04a5d2286baa8090e02a425cd92f89d86bd1b6b8e8fb72f7e945020d008cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfc04a5d2286baa8090e02a425cd92f89d86bd1b6b8e8fb72f7e945020d008cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc04a5d2286baa8090e02a425cd92f89d86bd1b6b8e8fb72f7e945020d008cb", kill_on_drop: false }`
[INFO] [stdout] cfc04a5d2286baa8090e02a425cd92f89d86bd1b6b8e8fb72f7e945020d008cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c4e07fc6dda8882e6fea84f78b2742f28e83dcd3733a64c2d0fc66bde50e6af
[INFO] running `Command { std: "docker" "start" "-a" "0c4e07fc6dda8882e6fea84f78b2742f28e83dcd3733a64c2d0fc66bde50e6af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling project_00 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OpenOptions`
[INFO] [stdout]   --> src/main.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut ofile = OpenOptions::new()
[INFO] [stdout]    |                     ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use crate::fs::OpenOptions;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::fs::OpenOptions;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `project_00` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0c4e07fc6dda8882e6fea84f78b2742f28e83dcd3733a64c2d0fc66bde50e6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4e07fc6dda8882e6fea84f78b2742f28e83dcd3733a64c2d0fc66bde50e6af", kill_on_drop: false }`
[INFO] [stdout] 0c4e07fc6dda8882e6fea84f78b2742f28e83dcd3733a64c2d0fc66bde50e6af