[INFO] cloning repository https://github.com/sozu-proxy/keepalive-bench [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sozu-proxy/keepalive-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsozu-proxy%2Fkeepalive-bench", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsozu-proxy%2Fkeepalive-bench'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ae1d1e142865e4b4c83f4f9a1def2470ef81e518 [INFO] testing sozu-proxy/keepalive-bench against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsozu-proxy%2Fkeepalive-bench" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sozu-proxy/keepalive-bench 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/sozu-proxy/keepalive-bench [INFO] finished tweaking git repo https://github.com/sozu-proxy/keepalive-bench [INFO] tweaked toml for git repo https://github.com/sozu-proxy/keepalive-bench written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/sozu-proxy/keepalive-bench already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bfe1b7c79e6eea23d6cf435fe34f31714cf0450b7acdb271d02a815f1c891085 [INFO] running `Command { std: "docker" "start" "-a" "bfe1b7c79e6eea23d6cf435fe34f31714cf0450b7acdb271d02a815f1c891085", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfe1b7c79e6eea23d6cf435fe34f31714cf0450b7acdb271d02a815f1c891085", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfe1b7c79e6eea23d6cf435fe34f31714cf0450b7acdb271d02a815f1c891085", kill_on_drop: false }` [INFO] [stdout] bfe1b7c79e6eea23d6cf435fe34f31714cf0450b7acdb271d02a815f1c891085 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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] 37b64045e348e5c373dc1928e6da036e8039da4f9ae6103647da97345c955318 [INFO] running `Command { std: "docker" "start" "-a" "37b64045e348e5c373dc1928e6da036e8039da4f9ae6103647da97345c955318", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.19 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling iovec v0.1.1 [INFO] [stderr] Compiling num_cpus v1.7.0 [INFO] [stderr] Compiling net2 v0.2.31 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.0 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling mime v0.3.5 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling csv-core v0.1.3 [INFO] [stderr] Compiling bytes v0.4.5 [INFO] [stderr] Compiling futures-cpupool v0.1.7 [INFO] [stderr] Compiling mio v0.6.11 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling tokio-io v0.1.3 [INFO] [stderr] Compiling tokio-core v0.1.10 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling pretty_env_logger v0.1.1 [INFO] [stderr] Compiling csv v1.0.0-beta.5 [INFO] [stderr] Compiling hyper v0.11.6 (https://github.com/hyperium/hyper#d3b19112) [INFO] [stderr] Compiling proxy-benchmark 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(conservative_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `header` [INFO] [stdout] --> src/main.rs:20:33 [INFO] [stdout] | [INFO] [stdout] 20 | use hyper::{Client, Uri, Error, header}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:235:21 [INFO] [stdout] | [INFO] [stdout] 235 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:136:39 [INFO] [stdout] | [INFO] [stdout] 136 | let port_number = if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:173:39 [INFO] [stdout] | [INFO] [stdout] 173 | let port_number = if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:194:23 [INFO] [stdout] | [INFO] [stdout] 194 | if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proxy-benchmark` due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "37b64045e348e5c373dc1928e6da036e8039da4f9ae6103647da97345c955318", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37b64045e348e5c373dc1928e6da036e8039da4f9ae6103647da97345c955318", kill_on_drop: false }` [INFO] [stdout] 37b64045e348e5c373dc1928e6da036e8039da4f9ae6103647da97345c955318