[INFO] cloning repository https://github.com/travelling-merchant/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/travelling-merchant/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftravelling-merchant%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftravelling-merchant%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d0d4c0e039a05f166c9037955793ebc90acf6a4
[INFO] testing travelling-merchant/minigrep against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftravelling-merchant%2Fminigrep" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/travelling-merchant/minigrep
[INFO] finished tweaking git repo https://github.com/travelling-merchant/minigrep
[INFO] tweaked toml for git repo https://github.com/travelling-merchant/minigrep written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/travelling-merchant/minigrep on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/travelling-merchant/minigrep 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 993c74dfb5e898fe02b18e540c725ee86d56b9abb03b238d510934bcb6daf937
[INFO] running `Command { std: "docker" "start" "-a" "993c74dfb5e898fe02b18e540c725ee86d56b9abb03b238d510934bcb6daf937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "993c74dfb5e898fe02b18e540c725ee86d56b9abb03b238d510934bcb6daf937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993c74dfb5e898fe02b18e540c725ee86d56b9abb03b238d510934bcb6daf937", kill_on_drop: false }`
[INFO] [stdout] 993c74dfb5e898fe02b18e540c725ee86d56b9abb03b238d510934bcb6daf937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cd64131ab96306af4c14f0299e63d76c98d043fcaab15f9ce0aa22fe2038aa3
[INFO] running `Command { std: "docker" "start" "-a" "0cd64131ab96306af4c14f0299e63d76c98d043fcaab15f9ce0aa22fe2038aa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `&Vec<String>` is not an iterator
[INFO] [stdout]   --> src/main.rs:6:32
[INFO] [stdout]    |
[INFO] [stdout]  6 |     let config = Config::build(&cli_arguments).unwrap_or_else(|err| {
[INFO] [stdout]    |                  ------------- ^^^^^^^^^^^^^^ `&Vec<String>` 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<String>`
[INFO] [stdout] note: required by a bound in `Config::build`
[INFO] [stdout]   --> src/lib.rs:10:43
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn build(mut cli_input_args: impl Iterator<Item = String>) -> Result<Config, &'static str> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Config::build`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minigrep` (bin "minigrep") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0cd64131ab96306af4c14f0299e63d76c98d043fcaab15f9ce0aa22fe2038aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd64131ab96306af4c14f0299e63d76c98d043fcaab15f9ce0aa22fe2038aa3", kill_on_drop: false }`
[INFO] [stdout] 0cd64131ab96306af4c14f0299e63d76c98d043fcaab15f9ce0aa22fe2038aa3
