[INFO] cloning repository https://github.com/RustPanda/hyper-webserver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustPanda/hyper-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustPanda%2Fhyper-webserver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustPanda%2Fhyper-webserver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc9666cc7b9e2536843a28c107671e786de33157 [INFO] testing RustPanda/hyper-webserver against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustPanda%2Fhyper-webserver" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RustPanda/hyper-webserver on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RustPanda/hyper-webserver [INFO] finished tweaking git repo https://github.com/RustPanda/hyper-webserver [INFO] tweaked toml for git repo https://github.com/RustPanda/hyper-webserver written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/RustPanda/hyper-webserver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded handlebars v4.0.0 [INFO] [stderr] Downloaded path-tree v0.1.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c72e79e23e2d032a8908bd8e1b3bea94ae085c0ad77ed5354cac5c502015425d [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" "c72e79e23e2d032a8908bd8e1b3bea94ae085c0ad77ed5354cac5c502015425d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c72e79e23e2d032a8908bd8e1b3bea94ae085c0ad77ed5354cac5c502015425d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c72e79e23e2d032a8908bd8e1b3bea94ae085c0ad77ed5354cac5c502015425d", kill_on_drop: false }` [INFO] [stdout] c72e79e23e2d032a8908bd8e1b3bea94ae085c0ad77ed5354cac5c502015425d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1f6151c304707c3a9282824d106772c509bb3506c2eee5229a2a1edf4af65d53 [INFO] running `Command { std: "docker" "start" "-a" "1f6151c304707c3a9282824d106772c509bb3506c2eee5229a2a1edf4af65d53", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling quick-error v2.0.1 [INFO] [stderr] Compiling httpdate v1.0.1 [INFO] [stderr] Compiling path-tree v0.1.12 [INFO] [stderr] Compiling tokio v1.6.0 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling tracing v0.1.26 [INFO] [stderr] Compiling http-body v0.4.2 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling async-trait v0.1.50 [INFO] [stderr] Compiling pin-project v1.0.7 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling hyper v0.14.7 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling handlebars v4.0.0 [INFO] [stderr] Compiling webserver 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:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![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 `webserver` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "1f6151c304707c3a9282824d106772c509bb3506c2eee5229a2a1edf4af65d53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f6151c304707c3a9282824d106772c509bb3506c2eee5229a2a1edf4af65d53", kill_on_drop: false }` [INFO] [stdout] 1f6151c304707c3a9282824d106772c509bb3506c2eee5229a2a1edf4af65d53