[INFO] fetching crate wolfram-pest 0.2.0...
[INFO] testing wolfram-pest-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate wolfram-pest 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wolfram-pest 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wolfram-pest 0.2.0
[INFO] finished tweaking crates.io crate wolfram-pest 0.2.0
[INFO] tweaked toml for crates.io crate wolfram-pest 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] b3ae48e62a1cff24ab6ed9d132a1d3203a4f7969ca6f83a3d2a12ec223df8a99
[INFO] running `Command { std: "docker" "start" "-a" "b3ae48e62a1cff24ab6ed9d132a1d3203a4f7969ca6f83a3d2a12ec223df8a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ae48e62a1cff24ab6ed9d132a1d3203a4f7969ca6f83a3d2a12ec223df8a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ae48e62a1cff24ab6ed9d132a1d3203a4f7969ca6f83a3d2a12ec223df8a99", kill_on_drop: false }`
[INFO] [stdout] b3ae48e62a1cff24ab6ed9d132a1d3203a4f7969ca6f83a3d2a12ec223df8a99
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29e68c33a95227b8ef03571f182250632f7392891c6e18382383b1ed5f2457f2
[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" "29e68c33a95227b8ef03571f182250632f7392891c6e18382383b1ed5f2457f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling wolfram-pest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "29e68c33a95227b8ef03571f182250632f7392891c6e18382383b1ed5f2457f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e68c33a95227b8ef03571f182250632f7392891c6e18382383b1ed5f2457f2", kill_on_drop: false }`
[INFO] [stdout] 29e68c33a95227b8ef03571f182250632f7392891c6e18382383b1ed5f2457f2
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 74a615e5a0a3556a71b08fe92e568946bb13c5beb8cd5d8edf0558b29d714cad
[INFO] running `Command { std: "docker" "start" "-a" "74a615e5a0a3556a71b08fe92e568946bb13c5beb8cd5d8edf0558b29d714cad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling wolfram-pest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `quote` in this scope
[INFO] [stdout]   --> tests/build.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let pest = quote! {
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            quote::quote
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wolfram-pest`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "74a615e5a0a3556a71b08fe92e568946bb13c5beb8cd5d8edf0558b29d714cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a615e5a0a3556a71b08fe92e568946bb13c5beb8cd5d8edf0558b29d714cad", kill_on_drop: false }`
[INFO] [stdout] 74a615e5a0a3556a71b08fe92e568946bb13c5beb8cd5d8edf0558b29d714cad