[INFO] cloning repository https://github.com/volfco/conqwest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/volfco/conqwest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolfco%2Fconqwest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolfco%2Fconqwest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0dbb86ba8e8d895d66304cecb65ff6d05df2b81
[INFO] checking volfco/conqwest against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolfco%2Fconqwest" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/volfco/conqwest on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/volfco/conqwest
[INFO] finished tweaking git repo https://github.com/volfco/conqwest
[INFO] tweaked toml for git repo https://github.com/volfco/conqwest written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/volfco/conqwest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9839ca58f8608527917a23ed8d6ed0200f2578694f2dd2e6e477a950e7a4a7e6
[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" "9839ca58f8608527917a23ed8d6ed0200f2578694f2dd2e6e477a950e7a4a7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9839ca58f8608527917a23ed8d6ed0200f2578694f2dd2e6e477a950e7a4a7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9839ca58f8608527917a23ed8d6ed0200f2578694f2dd2e6e477a950e7a4a7e6", kill_on_drop: false }`
[INFO] [stdout] 9839ca58f8608527917a23ed8d6ed0200f2578694f2dd2e6e477a950e7a4a7e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c5cf7c0d55100cc776e61c08ccde85580c62cffda8aa0b6956f85e06589d3a2
[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" "1c5cf7c0d55100cc776e61c08ccde85580c62cffda8aa0b6956f85e06589d3a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking consul v0.3.0
[INFO] [stderr]     Checking conqwest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]  --> src/http.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{warn, debug, trace};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/http.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     /// method to quickly look up a service, select a random node, and perform a GET request returning
[INFO] [stdout] 10 | |     /// the output
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 11 | 
[INFO] [stdout] 12 |       let service: String = service.into();
[INFO] [stdout]    |       ------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]  --> src/http.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{warn, debug, trace};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/http.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     /// method to quickly look up a service, select a random node, and perform a GET request returning
[INFO] [stdout] 10 | |     /// the output
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 11 | 
[INFO] [stdout] 12 |       let service: String = service.into();
[INFO] [stdout]    |       ------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/http.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut config = config.unwrap();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/http.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut config = config.unwrap();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "1c5cf7c0d55100cc776e61c08ccde85580c62cffda8aa0b6956f85e06589d3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5cf7c0d55100cc776e61c08ccde85580c62cffda8aa0b6956f85e06589d3a2", kill_on_drop: false }`
[INFO] [stdout] 1c5cf7c0d55100cc776e61c08ccde85580c62cffda8aa0b6956f85e06589d3a2