[INFO] cloning repository https://github.com/3Hren/actix-web-async-await
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3Hren/actix-web-async-await" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Hren%2Factix-web-async-await", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Hren%2Factix-web-async-await'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2be79120b29186be5e927921cfb8b51950d57764
[INFO] checking 3Hren/actix-web-async-await against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Hren%2Factix-web-async-await" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3Hren/actix-web-async-await on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/3Hren/actix-web-async-await
[INFO] finished tweaking git repo https://github.com/3Hren/actix-web-async-await
[INFO] tweaked toml for git repo https://github.com/3Hren/actix-web-async-await written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/3Hren/actix-web-async-await already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded actix-connect v0.2.0
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[INFO] [stderr]   Downloaded actix-web v1.0.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31e7ba9011fa6a461fc8b1403ba67a89523fa43ff07e9dfc27de9b620840f9e8
[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" "31e7ba9011fa6a461fc8b1403ba67a89523fa43ff07e9dfc27de9b620840f9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e7ba9011fa6a461fc8b1403ba67a89523fa43ff07e9dfc27de9b620840f9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e7ba9011fa6a461fc8b1403ba67a89523fa43ff07e9dfc27de9b620840f9e8", kill_on_drop: false }`
[INFO] [stdout] 31e7ba9011fa6a461fc8b1403ba67a89523fa43ff07e9dfc27de9b620840f9e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd2b07135bcfa93d70529035c8bd1dd70b367d91c853f79da083c903006d68cf
[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" "dd2b07135bcfa93d70529035c8bd1dd70b367d91c853f79da083c903006d68cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling version_check v0.1.5
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[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.16
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[INFO] [stderr]     Checking aho-corasick v0.7.3
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
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[INFO] [stderr]     Checking resolv-conf v0.6.2
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[INFO] [stderr]     Checking actix-utils v0.4.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
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[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking actix-server-config v0.1.1
[INFO] [stderr]     Checking h2 v0.1.23
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking actix-threadpool v0.1.1
[INFO] [stderr]     Checking actix-rt v0.2.2
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-server v0.5.1
[INFO] [stderr]     Checking actix-connect v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.3
[INFO] [stderr]     Checking awc v0.2.1
[INFO] [stderr]     Checking actix-web v1.0.0
[INFO] [stderr]     Checking actix-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(await_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(await_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `.await` syntax
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `actix-test`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dd2b07135bcfa93d70529035c8bd1dd70b367d91c853f79da083c903006d68cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2b07135bcfa93d70529035c8bd1dd70b367d91c853f79da083c903006d68cf", kill_on_drop: false }`
[INFO] [stdout] dd2b07135bcfa93d70529035c8bd1dd70b367d91c853f79da083c903006d68cf