[INFO] fetching crate kas 0.5.0...
[INFO] checking kas-0.5.0 against beta for pr-78714
[INFO] extracting crate kas 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate kas 0.5.0 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 kas 0.5.0
[INFO] finished tweaking crates.io crate kas 0.5.0
[INFO] tweaked toml for crates.io crate kas 0.5.0 written to /workspace/builds/worker-9/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] 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9d1a36b0494ebcc8ca1b2f47b507f491bf7f601147a19a6940bd8a8b380b0000
[INFO] running `Command { std: "docker" "start" "-a" "9d1a36b0494ebcc8ca1b2f47b507f491bf7f601147a19a6940bd8a8b380b0000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d1a36b0494ebcc8ca1b2f47b507f491bf7f601147a19a6940bd8a8b380b0000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1a36b0494ebcc8ca1b2f47b507f491bf7f601147a19a6940bd8a8b380b0000", kill_on_drop: false }`
[INFO] [stdout] 9d1a36b0494ebcc8ca1b2f47b507f491bf7f601147a19a6940bd8a8b380b0000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8a9cdde413722f385138c9d85deb95d690091a8a4cf9a8f3faf17a4a2a9d75a2
[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" "8a9cdde413722f385138c9d85deb95d690091a8a4cf9a8f3faf17a4a2a9d75a2", kill_on_drop: false }`
[INFO] [stderr]     Checking ttf-parser v0.8.2
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling kas-macros v0.5.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking font-kit v0.8.0
[INFO] [stderr]     Checking owned_ttf_parser v0.8.0
[INFO] [stderr]     Checking ab_glyph v0.2.6
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking kas-text v0.1.5
[INFO] [stderr]     Checking kas v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.85s
[INFO] running `Command { std: "docker" "inspect" "8a9cdde413722f385138c9d85deb95d690091a8a4cf9a8f3faf17a4a2a9d75a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9cdde413722f385138c9d85deb95d690091a8a4cf9a8f3faf17a4a2a9d75a2", kill_on_drop: false }`
[INFO] [stdout] 8a9cdde413722f385138c9d85deb95d690091a8a4cf9a8f3faf17a4a2a9d75a2