[INFO] fetching crate kay 0.5.1...
[INFO] checking kay-0.5.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate kay 0.5.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate kay 0.5.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kay 0.5.1
[INFO] finished tweaking crates.io crate kay 0.5.1
[INFO] tweaked toml for crates.io crate kay 0.5.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 596f5dc3b915c1c2b6a48cfafda6235871927047fb812b7b613cd5ea6d59dc40
[INFO] running `Command { std: "docker" "start" "-a" "596f5dc3b915c1c2b6a48cfafda6235871927047fb812b7b613cd5ea6d59dc40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "596f5dc3b915c1c2b6a48cfafda6235871927047fb812b7b613cd5ea6d59dc40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596f5dc3b915c1c2b6a48cfafda6235871927047fb812b7b613cd5ea6d59dc40", kill_on_drop: false }`
[INFO] [stdout] 596f5dc3b915c1c2b6a48cfafda6235871927047fb812b7b613cd5ea6d59dc40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 647dd29844a01eee3e75d4e1d5f831b0873815283d3ea5c5ad6fb6f0b061ec38
[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" "647dd29844a01eee3e75d4e1d5f831b0873815283d3ea5c5ad6fb6f0b061ec38", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking simple_allocator_trait v0.1.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking sha1 v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking input_buffer v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking tinyvec v1.3.0
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking chunky v0.3.7
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stdout] error[E0635]: unknown feature `vec_resize_default`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/chunky-0.3.7/src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(vec_resize_default)]
[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 E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chunky`
[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" "647dd29844a01eee3e75d4e1d5f831b0873815283d3ea5c5ad6fb6f0b061ec38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647dd29844a01eee3e75d4e1d5f831b0873815283d3ea5c5ad6fb6f0b061ec38", kill_on_drop: false }`
[INFO] [stdout] 647dd29844a01eee3e75d4e1d5f831b0873815283d3ea5c5ad6fb6f0b061ec38