[INFO] updating cached repository sozu-proxy/keepalive-bench [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sozu-proxy/keepalive-bench [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sozu-proxy/keepalive-bench" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/sozu-proxy/keepalive-bench"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/sozu-proxy/keepalive-bench'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sozu-proxy/keepalive-bench" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/sozu-proxy/keepalive-bench"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/sozu-proxy/keepalive-bench'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ae1d1e142865e4b4c83f4f9a1def2470ef81e518 [INFO] sha for GitHub repo sozu-proxy/keepalive-bench: ae1d1e142865e4b4c83f4f9a1def2470ef81e518 [INFO] validating manifest of sozu-proxy/keepalive-bench on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sozu-proxy/keepalive-bench on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sozu-proxy/keepalive-bench [INFO] finished frobbing sozu-proxy/keepalive-bench [INFO] frobbed toml for sozu-proxy/keepalive-bench written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/sozu-proxy/keepalive-bench/Cargo.toml [INFO] started frobbing sozu-proxy/keepalive-bench [INFO] finished frobbing sozu-proxy/keepalive-bench [INFO] frobbed toml for sozu-proxy/keepalive-bench written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/sozu-proxy/keepalive-bench/Cargo.toml [INFO] crate sozu-proxy/keepalive-bench already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking sozu-proxy/keepalive-bench against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/sozu-proxy/keepalive-bench:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2cd347e1df37d674f1bc16088e8bee9e1fb1f3a3a5bfd2f713f7e8405f34670c [INFO] running `"docker" "start" "-a" "2cd347e1df37d674f1bc16088e8bee9e1fb1f3a3a5bfd2f713f7e8405f34670c"` [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking rand v0.3.17 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking futures-cpupool v0.1.7 [INFO] [stderr] Checking mime v0.3.5 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking csv-core v0.1.3 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking csv v1.0.0-beta.5 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking tokio-io v0.1.3 [INFO] [stderr] Checking tokio-core v0.1.10 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking pretty_env_logger v0.1.1 [INFO] [stderr] Checking hyper v0.11.6 (https://github.com/hyperium/hyper#d3b19112) [INFO] [stderr] Checking proxy-benchmark v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `header` [INFO] [stderr] --> src/main.rs:20:33 [INFO] [stderr] | [INFO] [stderr] 20 | use hyper::{Client, Uri, Error, header}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:235:21 [INFO] [stderr] | [INFO] [stderr] 235 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `header` [INFO] [stderr] --> src/main.rs:20:33 [INFO] [stderr] | [INFO] [stderr] 20 | use hyper::{Client, Uri, Error, header}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:235:21 [INFO] [stderr] | [INFO] [stderr] 235 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `port` [INFO] [stderr] --> src/main.rs:194:27 [INFO] [stderr] | [INFO] [stderr] 194 | if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_port` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `port` [INFO] [stderr] --> src/main.rs:194:27 [INFO] [stderr] | [INFO] [stderr] 194 | if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_port` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:136:39 [INFO] [stderr] | [INFO] [stderr] 136 | let port_number = if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:173:39 [INFO] [stderr] | [INFO] [stderr] 173 | let port_number = if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:194:23 [INFO] [stderr] | [INFO] [stderr] 194 | if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(conservative_impl_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | wtr.write_record(&["time", "client", "status", "instance", "front port", "back port"]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:169:13 [INFO] [stderr] | [INFO] [stderr] 169 | / writer.write_record(&[format!("{}", elapsed), format!("{}", id), format!("{}", status_code), [INFO] [stderr] 170 | | format!("{}", backend_id), port_number, format!("{}", backend_connection_port)]); [INFO] [stderr] | |_______________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:196:15 [INFO] [stderr] | [INFO] [stderr] 196 | / writer.write_record(&[format!("{}", elapsed), format!("{}", id), format!("{}", status_code), [INFO] [stderr] 197 | | "".to_string(), port_number, "".to_string()]); [INFO] [stderr] | |______________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:218:9 [INFO] [stderr] | [INFO] [stderr] 218 | / writer.write_record(&[format!("{}", elapsed), format!("{}", id2), format!("{}", e), [INFO] [stderr] 219 | | "".to_string(), "".to_string(), "".to_string()]); [INFO] [stderr] | |___________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:136:39 [INFO] [stderr] | [INFO] [stderr] 136 | let port_number = if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:173:39 [INFO] [stderr] | [INFO] [stderr] 173 | let port_number = if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:194:23 [INFO] [stderr] | [INFO] [stderr] 194 | if let Ok(mut port) = frontend_port.try_lock() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(conservative_impl_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | wtr.write_record(&["time", "client", "status", "instance", "front port", "back port"]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:169:13 [INFO] [stderr] | [INFO] [stderr] 169 | / writer.write_record(&[format!("{}", elapsed), format!("{}", id), format!("{}", status_code), [INFO] [stderr] 170 | | format!("{}", backend_id), port_number, format!("{}", backend_connection_port)]); [INFO] [stderr] | |_______________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:196:15 [INFO] [stderr] | [INFO] [stderr] 196 | / writer.write_record(&[format!("{}", elapsed), format!("{}", id), format!("{}", status_code), [INFO] [stderr] 197 | | "".to_string(), port_number, "".to_string()]); [INFO] [stderr] | |______________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:218:9 [INFO] [stderr] | [INFO] [stderr] 218 | / writer.write_record(&[format!("{}", elapsed), format!("{}", id2), format!("{}", e), [INFO] [stderr] 219 | | "".to_string(), "".to_string(), "".to_string()]); [INFO] [stderr] | |___________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.28s [INFO] running `"docker" "inspect" "2cd347e1df37d674f1bc16088e8bee9e1fb1f3a3a5bfd2f713f7e8405f34670c"` [INFO] running `"docker" "rm" "-f" "2cd347e1df37d674f1bc16088e8bee9e1fb1f3a3a5bfd2f713f7e8405f34670c"` [INFO] [stdout] 2cd347e1df37d674f1bc16088e8bee9e1fb1f3a3a5bfd2f713f7e8405f34670c