[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] checking andela-fabolaji/rust_learning/4c7c5852d101cdad93be8c01b853bfd6ba4aced6 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandela-fabolaji%2Frust_learning" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andela-fabolaji/rust_learning on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-5-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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a02fe7b41fef76bbaa775aad098afd1b66d871d04a6dbf0f5c33aa149ad40a1
[INFO] running `Command { std: "docker" "start" "-a" "0a02fe7b41fef76bbaa775aad098afd1b66d871d04a6dbf0f5c33aa149ad40a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a02fe7b41fef76bbaa775aad098afd1b66d871d04a6dbf0f5c33aa149ad40a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a02fe7b41fef76bbaa775aad098afd1b66d871d04a6dbf0f5c33aa149ad40a1", kill_on_drop: false }`
[INFO] [stdout] 0a02fe7b41fef76bbaa775aad098afd1b66d871d04a6dbf0f5c33aa149ad40a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f69c84abca8423bd87ef664bf03d5f53a3f11d4640a1fe74a42238c3cc954b41
[INFO] running `Command { std: "docker" "start" "-a" "f69c84abca8423bd87ef664bf03d5f53a3f11d4640a1fe74a42238c3cc954b41", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: there's an earlier shadowed binding `temperature` of type `String` that has method `cmp` available
[INFO] [stdout]   --> src/control_flow.rs:6:7
[INFO] [stdout]    |
[INFO] [stdout] 6  |   let mut temperature = String::new();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^ `temperature` of type `String` that has method `cmp` defined earlier here
[INFO] [stdout] ...
[INFO] [stdout] 11 |   let temperature: f32 = temperature.trim().parse()
[INFO] [stdout]    |       ----------- earlier `temperature` shadowed here with type `f32`
[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[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: there's an earlier shadowed binding `temperature` of type `String` that has method `cmp` available
[INFO] [stdout]   --> src/control_flow.rs:6:7
[INFO] [stdout]    |
[INFO] [stdout] 6  |   let mut temperature = String::new();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^ `temperature` of type `String` that has method `cmp` defined earlier here
[INFO] [stdout] ...
[INFO] [stdout] 11 |   let temperature: f32 = temperature.trim().parse()
[INFO] [stdout]    |       ----------- earlier `temperature` shadowed here with type `f32`
[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 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (bin "rust_learning") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust_learning` (bin "rust_learning" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f69c84abca8423bd87ef664bf03d5f53a3f11d4640a1fe74a42238c3cc954b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69c84abca8423bd87ef664bf03d5f53a3f11d4640a1fe74a42238c3cc954b41", kill_on_drop: false }`
[INFO] [stdout] f69c84abca8423bd87ef664bf03d5f53a3f11d4640a1fe74a42238c3cc954b41