[INFO] fetching crate sitegen 0.0.1...
[INFO] checking sitegen-0.0.1 against beta for pr-78714
[INFO] extracting crate sitegen 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sitegen 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 sitegen 0.0.1
[INFO] finished tweaking crates.io crate sitegen 0.0.1
[INFO] tweaked toml for crates.io crate sitegen 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] [stdout] 5215067e6112e44f08832c4dedb51edfc48a86268843819b78e999101ebce49f
[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" "5215067e6112e44f08832c4dedb51edfc48a86268843819b78e999101ebce49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5215067e6112e44f08832c4dedb51edfc48a86268843819b78e999101ebce49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5215067e6112e44f08832c4dedb51edfc48a86268843819b78e999101ebce49f", kill_on_drop: false }`
[INFO] [stdout] 5215067e6112e44f08832c4dedb51edfc48a86268843819b78e999101ebce49f
[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] [stdout] 8d75490d919704c788ac98d5905f9fe419a07278d8c16d9c041fd9fcfc79bf6f
[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" "8d75490d919704c788ac98d5905f9fe419a07278d8c16d9c041fd9fcfc79bf6f", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling sass-sys v0.4.21
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr] error: could not compile `handlebars`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name handlebars --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/handlebars-2.0.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="dir_source"' --cfg 'feature="log"' --cfg 'feature="logging"' --cfg 'feature="walkdir"' -C metadata=3a4e9b07b6bc2fa6 -C extra-filename=-3a4e9b07b6bc2fa6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-db55b8c15f6b4fae.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-8b25aaf2e71705fc.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-2de5595cb6b09a5a.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-934cbe8bc8fc3ecf.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-d23ba971c03ac4da.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-206cfb4b5fe90396.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4ccb762a4839840f.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-37c1eba6428ea4cb.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8d75490d919704c788ac98d5905f9fe419a07278d8c16d9c041fd9fcfc79bf6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d75490d919704c788ac98d5905f9fe419a07278d8c16d9c041fd9fcfc79bf6f", kill_on_drop: false }`
[INFO] [stdout] 8d75490d919704c788ac98d5905f9fe419a07278d8c16d9c041fd9fcfc79bf6f