[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] checking vle-william/js_toy_engine against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvle-william%2Fjs_toy_engine" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vle-william/js_toy_engine on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e79402f61c28591719eec123f5680a6dae9342bbbd851e3ef656ffb511d5264b
[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" "e79402f61c28591719eec123f5680a6dae9342bbbd851e3ef656ffb511d5264b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e79402f61c28591719eec123f5680a6dae9342bbbd851e3ef656ffb511d5264b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79402f61c28591719eec123f5680a6dae9342bbbd851e3ef656ffb511d5264b", kill_on_drop: false }`
[INFO] [stdout] e79402f61c28591719eec123f5680a6dae9342bbbd851e3ef656ffb511d5264b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--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] 261e6f9bb6a1885388ec12f6c83958b7febe2af22099c272e6a5d8048729aac4
[INFO] running `Command { std: "docker" "start" "-a" "261e6f9bb6a1885388ec12f6c83958b7febe2af22099c272e6a5d8048729aac4", kill_on_drop: false }`
[INFO] [stderr]     Checking js_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Realm`
[INFO] [stdout]  --> src/lib/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let realm = Realm::create();
[INFO] [stdout]   |                 ^^^^^ use of undeclared type or module `Realm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Realm`
[INFO] [stdout]  --> src/lib/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let realm = Realm::create();
[INFO] [stdout]   |                 ^^^^^ use of undeclared type or module `Realm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `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: build failed
[INFO] running `Command { std: "docker" "inspect" "261e6f9bb6a1885388ec12f6c83958b7febe2af22099c272e6a5d8048729aac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261e6f9bb6a1885388ec12f6c83958b7febe2af22099c272e6a5d8048729aac4", kill_on_drop: false }`
[INFO] [stdout] 261e6f9bb6a1885388ec12f6c83958b7febe2af22099c272e6a5d8048729aac4