[INFO] fetching crate env-config 0.2.0...
[INFO] checking env-config-0.2.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate env-config 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate env-config 0.2.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-writer v0.1.0
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3777f08ca6658c79a2b2454b481dc7012e812c4e878fc3e687a0d93e32434e3
[INFO] running `Command { std: "docker" "start" "-a" "b3777f08ca6658c79a2b2454b481dc7012e812c4e878fc3e687a0d93e32434e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3777f08ca6658c79a2b2454b481dc7012e812c4e878fc3e687a0d93e32434e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3777f08ca6658c79a2b2454b481dc7012e812c4e878fc3e687a0d93e32434e3", kill_on_drop: false }`
[INFO] [stdout] b3777f08ca6658c79a2b2454b481dc7012e812c4e878fc3e687a0d93e32434e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63ff9ee38db81b5e4ddef641dca8a15555504fcbf9ec1937e3de3e2189577876
[INFO] running `Command { std: "docker" "start" "-a" "63ff9ee38db81b5e4ddef641dca8a15555504fcbf9ec1937e3de3e2189577876", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[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 v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.9
[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]    |               required by a bound introduced by this call
[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 derive macro `EnvConfig` (in Nightly builds, run with -Z macro-backtrace for more info)
[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` (example "http") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "63ff9ee38db81b5e4ddef641dca8a15555504fcbf9ec1937e3de3e2189577876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ff9ee38db81b5e4ddef641dca8a15555504fcbf9ec1937e3de3e2189577876", kill_on_drop: false }`
[INFO] [stdout] 63ff9ee38db81b5e4ddef641dca8a15555504fcbf9ec1937e3de3e2189577876
