[INFO] fetching crate env-config 0.2.0...
[INFO] checking env-config-0.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate env-config 0.2.0 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate env-config 0.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-65/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-writer v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d278a9f58185713d0b9298aafeb2096b74ef2e025a5d788092090315db10244
[INFO] running `Command { std: "docker" "start" "-a" "8d278a9f58185713d0b9298aafeb2096b74ef2e025a5d788092090315db10244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d278a9f58185713d0b9298aafeb2096b74ef2e025a5d788092090315db10244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d278a9f58185713d0b9298aafeb2096b74ef2e025a5d788092090315db10244", kill_on_drop: false }`
[INFO] [stdout] 8d278a9f58185713d0b9298aafeb2096b74ef2e025a5d788092090315db10244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe6907cc98d3bcc7ece8fb899ded14222b7188e180b6e5c5180039f39e65ca59
[INFO] running `Command { std: "docker" "start" "-a" "fe6907cc98d3bcc7ece8fb899ded14222b7188e180b6e5c5180039f39e65ca59", kill_on_drop: false }`
[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-macro2 v1.0.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[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 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" "fe6907cc98d3bcc7ece8fb899ded14222b7188e180b6e5c5180039f39e65ca59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6907cc98d3bcc7ece8fb899ded14222b7188e180b6e5c5180039f39e65ca59", kill_on_drop: false }`
[INFO] [stdout] fe6907cc98d3bcc7ece8fb899ded14222b7188e180b6e5c5180039f39e65ca59