[INFO] fetching crate env-config 0.2.0...
[INFO] checking env-config-0.2.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate env-config 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate env-config 0.2.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env-config 0.2.0
[INFO] finished tweaking crates.io crate env-config 0.2.0
[INFO] tweaked toml for crates.io crate env-config 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate env-config 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 041237895b2befa88409429c359a5fe7640a22bfe2ce774afa1641b5a672e5a4
[INFO] running `Command { std: "docker" "start" "-a" "041237895b2befa88409429c359a5fe7640a22bfe2ce774afa1641b5a672e5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "041237895b2befa88409429c359a5fe7640a22bfe2ce774afa1641b5a672e5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041237895b2befa88409429c359a5fe7640a22bfe2ce774afa1641b5a672e5a4", kill_on_drop: false }`
[INFO] [stdout] 041237895b2befa88409429c359a5fe7640a22bfe2ce774afa1641b5a672e5a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fad38e88664231e328c414d98cc85d63cda60f10653711cff860aa7be006988
[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" "0fad38e88664231e328c414d98cc85d63cda60f10653711cff860aa7be006988", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking doc-writer v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling bae v0.1.6
[INFO] [stderr]    Compiling env-config v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `Vec<&str>` is not an iterator
[INFO] [stdout]   --> examples/http.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let cfg = Config::from_env(vec!["SERVER_TIMEOUT", "3000"])?;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Vec<&str>` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Iterator` is not implemented for `Vec<&str>`
[INFO] [stdout] note: required by a bound in `Config::from_env`
[INFO] [stdout]   --> examples/http.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(EnvConfig)]
[INFO] [stdout]    |          ^^^^^^^^^ required by this bound in `Config::from_env`
[INFO] [stdout]    = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `env-config` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0fad38e88664231e328c414d98cc85d63cda60f10653711cff860aa7be006988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fad38e88664231e328c414d98cc85d63cda60f10653711cff860aa7be006988", kill_on_drop: false }`
[INFO] [stdout] 0fad38e88664231e328c414d98cc85d63cda60f10653711cff860aa7be006988