[INFO] cloning repository https://github.com/KaleBBuR/Rust-HTTP-Client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KaleBBuR/Rust-HTTP-Client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaleBBuR%2FRust-HTTP-Client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaleBBuR%2FRust-HTTP-Client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3141fcf159a991915f75a0cb1b5e39884dc1407
[INFO] checking KaleBBuR/Rust-HTTP-Client against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaleBBuR%2FRust-HTTP-Client" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KaleBBuR/Rust-HTTP-Client on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KaleBBuR/Rust-HTTP-Client
[INFO] finished tweaking git repo https://github.com/KaleBBuR/Rust-HTTP-Client
[INFO] tweaked toml for git repo https://github.com/KaleBBuR/Rust-HTTP-Client written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/KaleBBuR/Rust-HTTP-Client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dea96dd10ede9ffa3974750dd22c0681c4cb1f19542490d59fa65ec27753075
[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" "8dea96dd10ede9ffa3974750dd22c0681c4cb1f19542490d59fa65ec27753075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dea96dd10ede9ffa3974750dd22c0681c4cb1f19542490d59fa65ec27753075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dea96dd10ede9ffa3974750dd22c0681c4cb1f19542490d59fa65ec27753075", kill_on_drop: false }`
[INFO] [stdout] 8dea96dd10ede9ffa3974750dd22c0681c4cb1f19542490d59fa65ec27753075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9f775142d56e335d43d51b3b1c6dff2b82511a25485ab93b62f2a8275740334
[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" "f9f775142d56e335d43d51b3b1c6dff2b82511a25485ab93b62f2a8275740334", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking http_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let mut client = RequestConfig::new::<&str, &str, &str, &str, &str, &str> (
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.98s
[INFO] running `Command { std: "docker" "inspect" "f9f775142d56e335d43d51b3b1c6dff2b82511a25485ab93b62f2a8275740334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f775142d56e335d43d51b3b1c6dff2b82511a25485ab93b62f2a8275740334", kill_on_drop: false }`
[INFO] [stdout] f9f775142d56e335d43d51b3b1c6dff2b82511a25485ab93b62f2a8275740334