[INFO] cloning repository https://github.com/pospi/holo-threaded-comments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pospi/holo-threaded-comments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpospi%2Fholo-threaded-comments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpospi%2Fholo-threaded-comments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4078cb4b11a3b896e6dcd96b0c26599e965aef54
[INFO] testing pospi/holo-threaded-comments against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpospi%2Fholo-threaded-comments" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pospi/holo-threaded-comments on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pospi/holo-threaded-comments
[INFO] finished tweaking git repo https://github.com/pospi/holo-threaded-comments
[INFO] tweaked toml for git repo https://github.com/pospi/holo-threaded-comments written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/pospi/holo-threaded-comments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/holochain/holochain-rust`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reed-solomon v0.2.1
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded ctor v0.1.7
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.4
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded hcid v0.0.3-alpha
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] [stderr]   Downloaded multihash v0.8.0
[INFO] [stderr]   Downloaded num-complex v0.2.1
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.12
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] b9020bebc6a9a282d9b10c7a3a1abedbb18feef4f069a34cb2c7f9b99f5bde40
[INFO] running `Command { std: "docker" "start" "-a" "b9020bebc6a9a282d9b10c7a3a1abedbb18feef4f069a34cb2c7f9b99f5bde40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9020bebc6a9a282d9b10c7a3a1abedbb18feef4f069a34cb2c7f9b99f5bde40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9020bebc6a9a282d9b10c7a3a1abedbb18feef4f069a34cb2c7f9b99f5bde40", kill_on_drop: false }`
[INFO] [stdout] b9020bebc6a9a282d9b10c7a3a1abedbb18feef4f069a34cb2c7f9b99f5bde40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", 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] fb56366cd015528d327264a9fc84cd2ab8e9370e3184ee7615e2b3efa99fc3b4
[INFO] running `Command { std: "docker" "start" "-a" "fb56366cd015528d327264a9fc84cd2ab8e9370e3184ee7615e2b3efa99fc3b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling reed-solomon v0.2.1
[INFO] [stderr]    Compiling holochain_core_types v0.0.8-alpha (https://github.com/holochain/holochain-rust?tag=v0.0.8-alpha#0652f1f4)
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]    Compiling hcid v0.0.3-alpha
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stdout] error[E0432]: unresolved import `core::task::LocalWaker`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     task::{LocalWaker, Poll},
[INFO] [stdout]   |            ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::task::LocalWaker`, `core::task::UnsafeWake`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use core::task::{Poll, Waker, LocalWaker, UnsafeWake};
[INFO] [stdout]   |                                   ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout]   |                                   |
[INFO] [stdout]   |                                   no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::task::local_waker`, `std::task::local_waker_from_nonlocal`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stdout]    |                           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           no `local_waker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-core-preview` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fb56366cd015528d327264a9fc84cd2ab8e9370e3184ee7615e2b3efa99fc3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb56366cd015528d327264a9fc84cd2ab8e9370e3184ee7615e2b3efa99fc3b4", kill_on_drop: false }`
[INFO] [stdout] fb56366cd015528d327264a9fc84cd2ab8e9370e3184ee7615e2b3efa99fc3b4