[INFO] cloning repository https://github.com/andela-fabolaji/rust_learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andela-fabolaji/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandela-fabolaji%2Frust_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandela-fabolaji%2Frust_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c7c5852d101cdad93be8c01b853bfd6ba4aced6
[INFO] testing andela-fabolaji/rust_learning against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandela-fabolaji%2Frust_learning" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andela-fabolaji/rust_learning on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andela-fabolaji/rust_learning
[INFO] finished tweaking git repo https://github.com/andela-fabolaji/rust_learning
[INFO] tweaked toml for git repo https://github.com/andela-fabolaji/rust_learning written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/andela-fabolaji/rust_learning 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bc56ea1c54129e71a4248d28e17a185b94c01ac1414b268187028f28f129f0b
[INFO] running `Command { std: "docker" "start" "-a" "3bc56ea1c54129e71a4248d28e17a185b94c01ac1414b268187028f28f129f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bc56ea1c54129e71a4248d28e17a185b94c01ac1414b268187028f28f129f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc56ea1c54129e71a4248d28e17a185b94c01ac1414b268187028f28f129f0b", kill_on_drop: false }`
[INFO] [stdout] 3bc56ea1c54129e71a4248d28e17a185b94c01ac1414b268187028f28f129f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520bf090b33552d7bf06bb15f1d6a316304ead50f40fe5d79374be7c4f2a0035
[INFO] running `Command { std: "docker" "start" "-a" "520bf090b33552d7bf06bb15f1d6a316304ead50f40fe5d79374be7c4f2a0035", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: `f32` is not an iterator
[INFO] [stdout]   --> src/control_flow.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |   match temperature.cmp(&standard_temperature) {
[INFO] [stdout]    |                     ^^^ `f32` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `f32: Iterator`
[INFO] [stdout]            which is required by `&mut f32: Iterator`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_learning` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "520bf090b33552d7bf06bb15f1d6a316304ead50f40fe5d79374be7c4f2a0035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520bf090b33552d7bf06bb15f1d6a316304ead50f40fe5d79374be7c4f2a0035", kill_on_drop: false }`
[INFO] [stdout] 520bf090b33552d7bf06bb15f1d6a316304ead50f40fe5d79374be7c4f2a0035
