[INFO] fetching crate env-variables 0.1.1...
[INFO] testing env-variables-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate env-variables 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate env-variables 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env-variables 0.1.1
[INFO] finished tweaking crates.io crate env-variables 0.1.1
[INFO] tweaked toml for crates.io crate env-variables 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-04-10" "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] 0438c0fa0578e0e81443c90203d4329eb125437b8023ee029e460f1b4fef9d91
[INFO] running `Command { std: "docker" "start" "-a" "0438c0fa0578e0e81443c90203d4329eb125437b8023ee029e460f1b4fef9d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0438c0fa0578e0e81443c90203d4329eb125437b8023ee029e460f1b4fef9d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0438c0fa0578e0e81443c90203d4329eb125437b8023ee029e460f1b4fef9d91", kill_on_drop: false }`
[INFO] [stdout] 0438c0fa0578e0e81443c90203d4329eb125437b8023ee029e460f1b4fef9d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-04-10" "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] 74132adc8d7119d76738a9e1bbe7715b097dbcd9ddf6ec9c61ef238892d83298
[INFO] running `Command { std: "docker" "start" "-a" "74132adc8d7119d76738a9e1bbe7715b097dbcd9ddf6ec9c61ef238892d83298", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-variables v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "74132adc8d7119d76738a9e1bbe7715b097dbcd9ddf6ec9c61ef238892d83298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74132adc8d7119d76738a9e1bbe7715b097dbcd9ddf6ec9c61ef238892d83298", kill_on_drop: false }`
[INFO] [stdout] 74132adc8d7119d76738a9e1bbe7715b097dbcd9ddf6ec9c61ef238892d83298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 677332ed9d6832b864bfe68e72333118257fb398c7235c215c0d960988879605
[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" "677332ed9d6832b864bfe68e72333118257fb398c7235c215c0d960988879605", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-variables v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout] 167 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout] 178 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stdout] 183 +             Some("http://proxy.example.org:8081".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |             Some(("http://proxy.example.com:8080".to_string())),
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 195 -             Some(("http://proxy.example.com:8080".to_string())),
[INFO] [stdout] 195 +             Some("http://proxy.example.com:8080".to_string()),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |             Some(("http://proxy.example.com:8081".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 201 -             Some(("http://proxy.example.com:8081".to_string()))
[INFO] [stdout] 201 +             Some("http://proxy.example.com:8081".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 213 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout] 213 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stdout] 218 +             Some("http://proxy.example.org:8081".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |             Some(("http://proxy.example.org:8082".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 223 -             Some(("http://proxy.example.org:8082".to_string()))
[INFO] [stdout] 223 +             Some("http://proxy.example.org:8082".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 236 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout] 236 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |             Some(("http://proxy.example.com:8081".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 241 -             Some(("http://proxy.example.com:8081".to_string()))
[INFO] [stdout] 241 +             Some("http://proxy.example.com:8081".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 253 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stdout] 253 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 258 -             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stdout] 258 +             Some("http://proxy.example.org:8081".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |             Some(("http://proxy.example.org:8082".to_string()))
[INFO] [stdout]     |                  ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 263 -             Some(("http://proxy.example.org:8082".to_string()))
[INFO] [stdout] 263 +             Some("http://proxy.example.org:8082".to_string())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:95:2
[INFO] [stdout]    |
[INFO] [stdout] 95 | /     lazy_static! {
[INFO] [stdout] 96 | |     static ref LOCK: Mutex<()> = Mutex::new(());
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/env_variables-b4937ba5ebdf8258)
[INFO] running `Command { std: "docker" "inspect" "677332ed9d6832b864bfe68e72333118257fb398c7235c215c0d960988879605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677332ed9d6832b864bfe68e72333118257fb398c7235c215c0d960988879605", kill_on_drop: false }`
[INFO] [stdout] 677332ed9d6832b864bfe68e72333118257fb398c7235c215c0d960988879605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-04-10" "test" "--frozen", 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] ad1cdfb05c43f2ccd691c5b4928162c21d579fa5e1c93a394a1c01731e154eca
[INFO] running `Command { std: "docker" "start" "-a" "ad1cdfb05c43f2ccd691c5b4928162c21d579fa5e1c93a394a1c01731e154eca", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 167 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr] 167 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 178 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr] 178 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 183 -             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stderr] 183 +             Some("http://proxy.example.org:8081".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |             Some(("http://proxy.example.com:8080".to_string())),
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 195 -             Some(("http://proxy.example.com:8080".to_string())),
[INFO] [stderr] 195 +             Some("http://proxy.example.com:8080".to_string()),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |             Some(("http://proxy.example.com:8081".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 201 -             Some(("http://proxy.example.com:8081".to_string()))
[INFO] [stderr] 201 +             Some("http://proxy.example.com:8081".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 213 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr] 213 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 218 -             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stderr] 218 +             Some("http://proxy.example.org:8081".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |             Some(("http://proxy.example.org:8082".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 223 -             Some(("http://proxy.example.org:8082".to_string()))
[INFO] [stderr] 223 +             Some("http://proxy.example.org:8082".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 236 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr] 236 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |             Some(("http://proxy.example.com:8081".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 241 -             Some(("http://proxy.example.com:8081".to_string()))
[INFO] [stderr] 241 +             Some("http://proxy.example.com:8081".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 253 -             Some(("http://proxy.example.com:8080".to_string()))
[INFO] [stderr] 253 +             Some("http://proxy.example.com:8080".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 |             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 258 -             Some(("http://proxy.example.org:8081".to_string()))
[INFO] [stderr] 258 +             Some("http://proxy.example.org:8081".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |             Some(("http://proxy.example.org:8082".to_string()))
[INFO] [stderr]     |                  ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 263 -             Some(("http://proxy.example.org:8082".to_string()))
[INFO] [stderr] 263 +             Some("http://proxy.example.org:8082".to_string())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:95:2
[INFO] [stderr]    |
[INFO] [stderr] 95 | /     lazy_static! {
[INFO] [stderr] 96 | |     static ref LOCK: Mutex<()> = Mutex::new(());
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `env-variables` (lib test) generated 14 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/env_variables-b4937ba5ebdf8258)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::ftp_proxy_fallback ... ok
[INFO] [stdout] test tests::no_proxy_subdomain ... ok
[INFO] [stdout] test tests::ftp_proxy_specific ... ok
[INFO] [stdout] test tests::http_proxy_specific ... ok
[INFO] [stdout] test tests::no_proxy_subdomain_dot ... ok
[INFO] [stdout] test tests::https_proxy_fallback ... ok
[INFO] [stdout] test tests::https_proxy_specific ... ok
[INFO] [stdout] test tests::no_proxy_multiple_list ... ok
[INFO] [stdout] test tests::no_proxy_global ... ok
[INFO] [stdout] test tests::http_proxy_fallback ... ok
[INFO] [stdout] test tests::no_proxy_simple_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests env-variables
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad1cdfb05c43f2ccd691c5b4928162c21d579fa5e1c93a394a1c01731e154eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1cdfb05c43f2ccd691c5b4928162c21d579fa5e1c93a394a1c01731e154eca", kill_on_drop: false }`
[INFO] [stdout] ad1cdfb05c43f2ccd691c5b4928162c21d579fa5e1c93a394a1c01731e154eca