[INFO] fetching crate unicom-tcp 0.1.1...
[INFO] checking unicom-tcp-0.1.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate unicom-tcp 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate unicom-tcp 0.1.1 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicom-tcp 0.1.1
[INFO] finished tweaking crates.io crate unicom-tcp 0.1.1
[INFO] tweaked toml for crates.io crate unicom-tcp 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded resolv-conf v0.7.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.6
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.6
[INFO] [stderr]   Downloaded async-std-resolver v0.19.6
[INFO] [stderr]   Downloaded unicom-nres v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 986a91195968f4c7891ed2b08e300193b4b10b38152cf031e6ae5e4641f9190e
[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" "986a91195968f4c7891ed2b08e300193b4b10b38152cf031e6ae5e4641f9190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "986a91195968f4c7891ed2b08e300193b4b10b38152cf031e6ae5e4641f9190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986a91195968f4c7891ed2b08e300193b4b10b38152cf031e6ae5e4641f9190e", kill_on_drop: false }`
[INFO] [stdout] 986a91195968f4c7891ed2b08e300193b4b10b38152cf031e6ae5e4641f9190e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cf9d869c84891e042e1a0f570f382bccf8d3aed23c45e31c485336b36e3d120
[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" "6cf9d869c84891e042e1a0f570f382bccf8d3aed23c45e31c485336b36e3d120", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-core v0.3.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.10
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking unicom v0.1.1
[INFO] [stdout] error: Either of features should be selected: futures, tokio, async-std
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicom-0.1.1/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | compile_error!("Either of features should be selected: futures, tokio, async-std");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicom`
[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" "6cf9d869c84891e042e1a0f570f382bccf8d3aed23c45e31c485336b36e3d120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf9d869c84891e042e1a0f570f382bccf8d3aed23c45e31c485336b36e3d120", kill_on_drop: false }`
[INFO] [stdout] 6cf9d869c84891e042e1a0f570f382bccf8d3aed23c45e31c485336b36e3d120