[INFO] fetching crate env-config 0.2.0...
[INFO] testing env-config-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate env-config 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate env-config 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded doc-writer v0.1.0
[INFO] [stderr]   Downloaded bae v0.1.6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02807e90565e781d5a3a4bafce607e208829f75dc9b8736f9065d8bfe773ad3b
[INFO] running `Command { std: "docker" "start" "-a" "02807e90565e781d5a3a4bafce607e208829f75dc9b8736f9065d8bfe773ad3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02807e90565e781d5a3a4bafce607e208829f75dc9b8736f9065d8bfe773ad3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02807e90565e781d5a3a4bafce607e208829f75dc9b8736f9065d8bfe773ad3b", kill_on_drop: false }`
[INFO] [stdout] 02807e90565e781d5a3a4bafce607e208829f75dc9b8736f9065d8bfe773ad3b
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71b579fa0e8542fba2eb7ec63d7ef5689a76ad80e28716ccb1d7a0ba46b4d35e
[INFO] running `Command { std: "docker" "start" "-a" "71b579fa0e8542fba2eb7ec63d7ef5689a76ad80e28716ccb1d7a0ba46b4d35e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bae v0.1.6
[INFO] [stderr]    Compiling env-config v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `Command { std: "docker" "inspect" "71b579fa0e8542fba2eb7ec63d7ef5689a76ad80e28716ccb1d7a0ba46b4d35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b579fa0e8542fba2eb7ec63d7ef5689a76ad80e28716ccb1d7a0ba46b4d35e", kill_on_drop: false }`
[INFO] [stdout] 71b579fa0e8542fba2eb7ec63d7ef5689a76ad80e28716ccb1d7a0ba46b4d35e
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d7b5ed9691886ff39ccb725f0abc7d7afa3366276f35fe76dfe5a729b366a2c
[INFO] running `Command { std: "docker" "start" "-a" "0d7b5ed9691886ff39ccb725f0abc7d7afa3366276f35fe76dfe5a729b366a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-writer v0.1.0
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0d7b5ed9691886ff39ccb725f0abc7d7afa3366276f35fe76dfe5a729b366a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7b5ed9691886ff39ccb725f0abc7d7afa3366276f35fe76dfe5a729b366a2c", kill_on_drop: false }`
[INFO] [stdout] 0d7b5ed9691886ff39ccb725f0abc7d7afa3366276f35fe76dfe5a729b366a2c