[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevUserContact%2Frust_html_gen" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devUserContact/rust_html_gen on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-17/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcd8e2985b994d2fac594510bbf0e1ae6a0d45222a446a951d1c7d809c1d8cb6
[INFO] running `Command { std: "docker" "start" "-a" "bcd8e2985b994d2fac594510bbf0e1ae6a0d45222a446a951d1c7d809c1d8cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcd8e2985b994d2fac594510bbf0e1ae6a0d45222a446a951d1c7d809c1d8cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd8e2985b994d2fac594510bbf0e1ae6a0d45222a446a951d1c7d809c1d8cb6", kill_on_drop: false }`
[INFO] [stdout] bcd8e2985b994d2fac594510bbf0e1ae6a0d45222a446a951d1c7d809c1d8cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 176abb943aea85cdaffccfe72a005b73933dbb4d6bbc836c80532ed48a344e7c
[INFO] running `Command { std: "docker" "start" "-a" "176abb943aea85cdaffccfe72a005b73933dbb4d6bbc836c80532ed48a344e7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling getrandom v0.1.16
[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" "176abb943aea85cdaffccfe72a005b73933dbb4d6bbc836c80532ed48a344e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176abb943aea85cdaffccfe72a005b73933dbb4d6bbc836c80532ed48a344e7c", kill_on_drop: false }`
[INFO] [stdout] 176abb943aea85cdaffccfe72a005b73933dbb4d6bbc836c80532ed48a344e7c