[INFO] cloning repository https://github.com/vle-william/js_toy_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vle-william/js_toy_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvle-william%2Fjs_toy_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvle-william%2Fjs_toy_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50c947d14721a44121307faab6b254c47f319d07
[INFO] testing vle-william/js_toy_engine against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvle-william%2Fjs_toy_engine" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vle-william/js_toy_engine on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vle-william/js_toy_engine
[INFO] finished tweaking git repo https://github.com/vle-william/js_toy_engine
[INFO] tweaked toml for git repo https://github.com/vle-william/js_toy_engine written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/vle-william/js_toy_engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fae1f652e93ad64b8d2ce7e955469abca746ccce7172993e3c870f63372953e
[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" "0fae1f652e93ad64b8d2ce7e955469abca746ccce7172993e3c870f63372953e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fae1f652e93ad64b8d2ce7e955469abca746ccce7172993e3c870f63372953e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fae1f652e93ad64b8d2ce7e955469abca746ccce7172993e3c870f63372953e", kill_on_drop: false }`
[INFO] [stdout] 0fae1f652e93ad64b8d2ce7e955469abca746ccce7172993e3c870f63372953e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4437ee3c594907c164c2e8a0e93a64de4c3d0ee7cf0cece41557906c227e6ad
[INFO] running `Command { std: "docker" "start" "-a" "c4437ee3c594907c164c2e8a0e93a64de4c3d0ee7cf0cece41557906c227e6ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling js_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Realm`
[INFO] [stdout]  --> src/lib/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let realm = Realm::create();
[INFO] [stdout]   |                 ^^^^^ use of undeclared type `Realm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Executor`
[INFO] [stdout]  --> src/lib/lib.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut engine: Interpreter = Executor::new(realm);
[INFO] [stdout]   |                                   ^^^^^^^^ use of undeclared type `Executor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Interpreter` in this scope
[INFO] [stdout]  --> src/lib/lib.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut engine: Interpreter = Executor::new(realm);
[INFO] [stdout]   |                     ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `forward` in this scope
[INFO] [stdout]  --> src/lib/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     forward(&mut engine, src)
[INFO] [stdout]   |     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `js_engine` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "c4437ee3c594907c164c2e8a0e93a64de4c3d0ee7cf0cece41557906c227e6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4437ee3c594907c164c2e8a0e93a64de4c3d0ee7cf0cece41557906c227e6ad", kill_on_drop: false }`
[INFO] [stdout] c4437ee3c594907c164c2e8a0e93a64de4c3d0ee7cf0cece41557906c227e6ad