[INFO] cloning repository https://github.com/samrose/conductor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samrose/conductor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamrose%2Fconductor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamrose%2Fconductor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5293f1a5f49f316750c9a1709ea20cb1aa4c7de2
[INFO] checking samrose/conductor against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamrose%2Fconductor" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samrose/conductor on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samrose/conductor
[INFO] finished tweaking git repo https://github.com/samrose/conductor
[INFO] tweaked toml for git repo https://github.com/samrose/conductor written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/samrose/conductor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08f61663098aa990726829f056842f3f90b839d290dc55154119c8687acc48f7
[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" "08f61663098aa990726829f056842f3f90b839d290dc55154119c8687acc48f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08f61663098aa990726829f056842f3f90b839d290dc55154119c8687acc48f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f61663098aa990726829f056842f3f90b839d290dc55154119c8687acc48f7", kill_on_drop: false }`
[INFO] [stdout] 08f61663098aa990726829f056842f3f90b839d290dc55154119c8687acc48f7
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf0a48aaf0b4e9b797d416015b5c31128791948447115263db37b1003a8fde8
[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" "aaf0a48aaf0b4e9b797d416015b5c31128791948447115263db37b1003a8fde8", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling openssl v0.10.18
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]    Compiling holochain_core_types v0.0.4-alpha (/opt/rustwide/workdir/core_types)
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking nan-preserving-float v0.1.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking unwrap_to v0.1.0
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[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]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.2.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[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]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr] error: could not compile `futures-core-preview`
[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" "aaf0a48aaf0b4e9b797d416015b5c31128791948447115263db37b1003a8fde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf0a48aaf0b4e9b797d416015b5c31128791948447115263db37b1003a8fde8", kill_on_drop: false }`
[INFO] [stdout] aaf0a48aaf0b4e9b797d416015b5c31128791948447115263db37b1003a8fde8