[INFO] cloning repository https://github.com/AleVul/actix-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AleVul/actix-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAleVul%2Factix-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAleVul%2Factix-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 821becb4853fc13523ac00798c1f91663b3f9417
[INFO] checking AleVul/actix-playground against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAleVul%2Factix-playground" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AleVul/actix-playground on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AleVul/actix-playground
[INFO] finished tweaking git repo https://github.com/AleVul/actix-playground
[INFO] tweaked toml for git repo https://github.com/AleVul/actix-playground written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/AleVul/actix-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.3
[INFO] [stderr]   Downloaded signal-hook v0.1.6
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.0
[INFO] [stderr]   Downloaded arc-swap v0.3.6
[INFO] [stderr]   Downloaded actix v0.7.8
[INFO] [stderr]   Downloaded parking_lot v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2d0b5f5644b9c702c1118ca0a61a5d85ce98319adb8346b5f0c880de92e726f
[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" "d2d0b5f5644b9c702c1118ca0a61a5d85ce98319adb8346b5f0c880de92e726f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d0b5f5644b9c702c1118ca0a61a5d85ce98319adb8346b5f0c880de92e726f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d0b5f5644b9c702c1118ca0a61a5d85ce98319adb8346b5f0c880de92e726f", kill_on_drop: false }`
[INFO] [stdout] d2d0b5f5644b9c702c1118ca0a61a5d85ce98319adb8346b5f0c880de92e726f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12b7d4272c2204e54ad35d0154c4e1317556506488fcadb66185dab3dede9675
[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" "12b7d4272c2204e54ad35d0154c4e1317556506488fcadb66185dab3dede9675", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]     Checking futures-core-preview v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking futures-channel-preview v0.2.2
[INFO] [stderr]     Checking futures-io-preview v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking futures-sink-preview v0.2.2
[INFO] [stderr]     Checking futures-util-preview v0.2.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking futures-executor-preview v0.2.2
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking futures-stable-preview v0.2.3
[INFO] [stderr]     Checking futures-async-runtime-preview v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking futures-preview v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.3
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.0
[INFO] [stderr]     Checking actix v0.7.8
[INFO] [stderr]     Checking actor-life-cycle v0.1.0 (/opt/rustwide/workdir/actor-life-cycle)
[INFO] [stderr]     Checking actix-arbiter v0.1.0 (/opt/rustwide/workdir/actix-arbiter)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.32s
[INFO] running `Command { std: "docker" "inspect" "12b7d4272c2204e54ad35d0154c4e1317556506488fcadb66185dab3dede9675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b7d4272c2204e54ad35d0154c4e1317556506488fcadb66185dab3dede9675", kill_on_drop: false }`
[INFO] [stdout] 12b7d4272c2204e54ad35d0154c4e1317556506488fcadb66185dab3dede9675