[INFO] fetching crate highlightrs 0.0.1...
[INFO] checking highlightrs-0.0.1 against beta for pr-78714
[INFO] extracting crate highlightrs 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate highlightrs 0.0.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate highlightrs 0.0.1
[INFO] finished tweaking crates.io crate highlightrs 0.0.1
[INFO] tweaked toml for crates.io crate highlightrs 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] f7350561aa9348e6a6e2c924595482c7273c515aae3b54c0f63e98818ce50463
[INFO] running `Command { std: "docker" "start" "-a" "f7350561aa9348e6a6e2c924595482c7273c515aae3b54c0f63e98818ce50463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7350561aa9348e6a6e2c924595482c7273c515aae3b54c0f63e98818ce50463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7350561aa9348e6a6e2c924595482c7273c515aae3b54c0f63e98818ce50463", kill_on_drop: false }`
[INFO] [stdout] f7350561aa9348e6a6e2c924595482c7273c515aae3b54c0f63e98818ce50463
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 46ce34b93264d61d8e0e5873be9705a0db3a888632427137df606100dee6e613
[INFO] running `Command { std: "docker" "start" "-a" "46ce34b93264d61d8e0e5873be9705a0db3a888632427137df606100dee6e613", kill_on_drop: false }`
[INFO] [stderr]     Checking highlightrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]   --> src/main.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let html = highlight(input[], None, None);
[INFO] [stdout]    |                                ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]   --> src/main.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 |             match out_file.write_str(html[]) {
[INFO] [stdout]    |             -----                         ^ expected expression
[INFO] [stdout]    |             |
[INFO] [stdout]    |             while parsing this match expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustdoc`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustdoc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `highlightrs`
[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: expected expression, found `]`
[INFO] [stdout]   --> src/main.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let html = highlight(input[], None, None);
[INFO] [stdout]    |                                ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]   --> src/main.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 |             match out_file.write_str(html[]) {
[INFO] [stdout]    |             -----                         ^ expected expression
[INFO] [stdout]    |             |
[INFO] [stdout]    |             while parsing this match expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error[E0463]: can't find crate for `rustdoc`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustdoc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46ce34b93264d61d8e0e5873be9705a0db3a888632427137df606100dee6e613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ce34b93264d61d8e0e5873be9705a0db3a888632427137df606100dee6e613", kill_on_drop: false }`
[INFO] [stdout] 46ce34b93264d61d8e0e5873be9705a0db3a888632427137df606100dee6e613