[INFO] cloning repository https://github.com/luyikk/tcpservice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luyikk/tcpservice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyikk%2Ftcpservice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyikk%2Ftcpservice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1c39ea34c944efdd9a4067597e1ad2e5dd0673a
[INFO] checking luyikk/tcpservice against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyikk%2Ftcpservice" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luyikk/tcpservice on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luyikk/tcpservice
[INFO] finished tweaking git repo https://github.com/luyikk/tcpservice
[INFO] tweaked toml for git repo https://github.com/luyikk/tcpservice written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded instant v0.1.11
[INFO] [stderr]   Downloaded enum-iterator-derive v0.7.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.7
[INFO] [stderr]   Downloaded pkg-config v0.3.20
[INFO] [stderr]   Downloaded git2 v0.13.23
[INFO] [stderr]   Downloaded tokio-macros v1.5.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded ahash v0.7.6
[INFO] [stderr]   Downloaded mimalloc v0.1.26
[INFO] [stderr]   Downloaded futures-micro v0.5.0
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded aqueue v1.1.3
[INFO] [stderr]   Downloaded sysinfo v0.19.2
[INFO] [stderr]   Downloaded vcpkg v0.2.15
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] [stderr]   Downloaded async-oneshot v0.5.0
[INFO] [stderr]   Downloaded flexi_logger v0.17.1
[INFO] [stderr]   Downloaded getset v0.1.1
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded vergen v5.1.15
[INFO] [stderr]   Downloaded tinyvec v1.5.0
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.22
[INFO] [stderr]   Downloaded libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded xbinary v0.1.4
[INFO] [stderr]   Downloaded semver v1.0.4
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded cc v1.0.71
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.3
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded enum-iterator v0.7.0
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71d757ec1485dc7ff4af680292a590bc42697828d3e4be22e6f7007555f7e53f
[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" "71d757ec1485dc7ff4af680292a590bc42697828d3e4be22e6f7007555f7e53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71d757ec1485dc7ff4af680292a590bc42697828d3e4be22e6f7007555f7e53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d757ec1485dc7ff4af680292a590bc42697828d3e4be22e6f7007555f7e53f", kill_on_drop: false }`
[INFO] [stdout] 71d757ec1485dc7ff4af680292a590bc42697828d3e4be22e6f7007555f7e53f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1df6264e0c718370f255db0fd797c9c4fd668f96c55f1cb9789b487b871534d9
[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" "1df6264e0c718370f255db0fd797c9c4fd668f96c55f1cb9789b487b871534d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling sysinfo v0.19.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking futures-micro v0.5.0
[INFO] [stderr]     Checking xbinary v0.1.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-oneshot v0.5.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[INFO] [stderr]     Checking tokio v1.12.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]    Compiling vergen v5.1.15
[INFO] [stderr]     Checking aqueue v1.1.3
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Checking flexi_logger v0.17.1
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking mimalloc v0.1.26
[INFO] [stderr]    Compiling git2 v0.13.23
[INFO] [stderr]    Compiling tcpgateway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcpgateway` due to 2 previous errors
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1df6264e0c718370f255db0fd797c9c4fd668f96c55f1cb9789b487b871534d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df6264e0c718370f255db0fd797c9c4fd668f96c55f1cb9789b487b871534d9", kill_on_drop: false }`
[INFO] [stdout] 1df6264e0c718370f255db0fd797c9c4fd668f96c55f1cb9789b487b871534d9
