[INFO] fetching crate pi_path_finding 0.1.0...
[INFO] documenting pi_path_finding-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate pi_path_finding 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pi_path_finding 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pi_path_finding 0.1.0
[INFO] finished tweaking crates.io crate pi_path_finding 0.1.0
[INFO] tweaked toml for crates.io crate pi_path_finding 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] [stderr]   Downloaded freetype v0.4.1
[INFO] [stderr]   Downloaded lyon_geom v0.15.3
[INFO] [stderr]   Downloaded servo-fontconfig v0.4.0
[INFO] [stderr]   Downloaded rand_isaac v0.3.0
[INFO] [stderr]   Downloaded simba v0.7.1
[INFO] [stderr]   Downloaded matrixcompare-core v0.1.0
[INFO] [stderr]   Downloaded wide v0.7.4
[INFO] [stderr]   Downloaded font-kit v0.7.1
[INFO] [stderr]   Downloaded nalgebra v0.30.1
[INFO] [stderr]   Downloaded raqote v0.8.0
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded euclid v0.20.14
[INFO] [stderr]   Downloaded sw-composite v0.7.14
[INFO] [stderr]   Downloaded matrixcompare v0.3.0
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.9
[INFO] [stderr]   Downloaded servo-freetype-sys v4.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62293f05343781924dc932aa2f3e6a2e892d45f88cac26083c339d3b31d15410
[INFO] running `Command { std: "docker" "start" "-a" "62293f05343781924dc932aa2f3e6a2e892d45f88cac26083c339d3b31d15410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62293f05343781924dc932aa2f3e6a2e892d45f88cac26083c339d3b31d15410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62293f05343781924dc932aa2f3e6a2e892d45f88cac26083c339d3b31d15410", kill_on_drop: false }`
[INFO] [stdout] 62293f05343781924dc932aa2f3e6a2e892d45f88cac26083c339d3b31d15410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 507965a6bb97f05aaaf995c4c29a95810a57279af308aed932a818a85f212565
[INFO] running `Command { std: "docker" "start" "-a" "507965a6bb97f05aaaf995c4c29a95810a57279af308aed932a818a85f212565", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking pi_slab v0.1.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking pi_null v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking pi_dyn_uint v0.1.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking pi_heap v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pi_heap-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_heap` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "507965a6bb97f05aaaf995c4c29a95810a57279af308aed932a818a85f212565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507965a6bb97f05aaaf995c4c29a95810a57279af308aed932a818a85f212565", kill_on_drop: false }`
[INFO] [stdout] 507965a6bb97f05aaaf995c4c29a95810a57279af308aed932a818a85f212565