[INFO] fetching crate kay 0.5.1...
[INFO] testing kay-0.5.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate kay 0.5.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate kay 0.5.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chunky v0.3.7
[INFO] [stderr]   Downloaded input_buffer v0.1.1
[INFO] [stderr]   Downloaded simple_allocator_trait v0.1.0
[INFO] [stderr]   Downloaded compact v0.2.16
[INFO] [stderr]   Downloaded tungstenite v0.5.4
[INFO] [stderr]   Downloaded compact_macros v0.1.0
[INFO] [stderr]   Downloaded sha1 v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2ff76572c290ef5f13d90b8036d2d9dc28428512df6080696b0ea1655b41266
[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" "c2ff76572c290ef5f13d90b8036d2d9dc28428512df6080696b0ea1655b41266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2ff76572c290ef5f13d90b8036d2d9dc28428512df6080696b0ea1655b41266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ff76572c290ef5f13d90b8036d2d9dc28428512df6080696b0ea1655b41266", kill_on_drop: false }`
[INFO] [stdout] c2ff76572c290ef5f13d90b8036d2d9dc28428512df6080696b0ea1655b41266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d0cf32b374ad6a7a46418b6783ecc9efe873f5922c3095ebd138180bffaa845
[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" "0d0cf32b374ad6a7a46418b6783ecc9efe873f5922c3095ebd138180bffaa845", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling sha1 v0.4.0
[INFO] [stderr]    Compiling simple_allocator_trait v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling chunky v0.3.7
[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" "0d0cf32b374ad6a7a46418b6783ecc9efe873f5922c3095ebd138180bffaa845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0cf32b374ad6a7a46418b6783ecc9efe873f5922c3095ebd138180bffaa845", kill_on_drop: false }`
[INFO] [stdout] 0d0cf32b374ad6a7a46418b6783ecc9efe873f5922c3095ebd138180bffaa845