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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GandhiNN/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGandhiNN%2Frust-by-example", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 800b5068317dbafddf6826712cace8cebb941a54
[INFO] building GandhiNN/rust-by-example against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGandhiNN%2Frust-by-example" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GandhiNN/rust-by-example on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GandhiNN/rust-by-example
[INFO] finished tweaking git repo https://github.com/GandhiNN/rust-by-example
[INFO] tweaked toml for git repo https://github.com/GandhiNN/rust-by-example written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GandhiNN/rust-by-example 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fstrings v0.2.3
[INFO] [stderr]   Downloaded fstrings-proc-macro v0.2.3
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[INFO] [stderr]    Compiling data-modelling-using-struct-basic v0.1.0 (/opt/rustwide/workdir/examples/data-modelling-using-struct-basic)
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[INFO] [stderr]    Compiling traits-returning-traits-with-dyn v0.1.0 (/opt/rustwide/workdir/examples/traits-returning-traits-with-dyn)
[INFO] [stderr]    Compiling traits-operator-overloading v0.1.0 (/opt/rustwide/workdir/examples/traits-operator-overloading)
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[INFO] [stderr]    Compiling scoping-rules-raii v0.1.0 (/opt/rustwide/workdir/examples/scoping-rules-raii)
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[INFO] [stderr]    Compiling ownership-borrow-checker v0.1.0 (/opt/rustwide/workdir/examples/ownership-borrow-checker)
[INFO] [stderr]    Compiling string-rule-1 v0.1.0 (/opt/rustwide/workdir/examples/string-rule-1)
[INFO] [stderr]    Compiling introducing-question-mark v0.1.0 (/opt/rustwide/workdir/examples/introducing-question-mark)
[INFO] [stderr]    Compiling math-sum-01 v0.1.0 (/opt/rustwide/workdir/examples/math-sum-01)
[INFO] [stderr]    Compiling traits-intro v0.1.0 (/opt/rustwide/workdir/examples/traits-intro)
[INFO] [stderr]    Compiling read-ini-file v0.1.0 (/opt/rustwide/workdir/examples/read-ini-file)
[INFO] [stderr]    Compiling defaults-get_or_insert v0.1.0 (/opt/rustwide/workdir/examples/defaults-get_or_insert)
[INFO] [stderr]    Compiling map-for-result v0.1.0 (/opt/rustwide/workdir/examples/map-for-result)
[INFO] [stderr]    Compiling defaults-get_or_insert_with v0.1.0 (/opt/rustwide/workdir/examples/defaults-get_or_insert_with)
[INFO] [stdout] warning: variants `Orange`, `Banana`, and `Kiwi` are never constructed
[INFO] [stdout]  --> examples/defaults-get_or_insert_with/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Fruit {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 3 |     Apple,
[INFO] [stdout] 4 |     Orange,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Banana,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     Kiwi,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Fruit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Orange`, `Banana`, `Kiwi`, and `Lemon` are never constructed
[INFO] [stdout]  --> examples/defaults-get_or_insert/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Fruit {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 3 |     Apple,
[INFO] [stdout] 4 |     Orange,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Banana,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     Kiwi,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     Lemon,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Fruit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling traits-iterators v0.1.0 (/opt/rustwide/workdir/examples/traits-iterators)
[INFO] [stderr]    Compiling generics-implementation v0.1.0 (/opt/rustwide/workdir/examples/generics-implementation)
[INFO] [stderr]    Compiling using-self-in-impl-block v0.1.0 (/opt/rustwide/workdir/examples/using-self-in-impl-block)
[INFO] [stderr]    Compiling traits-impl-trait v0.1.0 (/opt/rustwide/workdir/examples/traits-impl-trait)
[INFO] [stderr]    Compiling hashmap03 v0.1.0 (/opt/rustwide/workdir/examples/hashmap03)
[INFO] [stderr]    Compiling bounded-channels v0.1.0 (/opt/rustwide/workdir/examples/bounded-channels)
[INFO] [stderr]    Compiling using-result-in-main v0.1.0 (/opt/rustwide/workdir/examples/using-result-in-main)
[INFO] [stderr]    Compiling the-try-macro v0.1.0 (/opt/rustwide/workdir/examples/the-try-macro)
[INFO] [stdout] warning: function `combine_vecs_explicit_return_type` is never used
[INFO] [stdout]  --> examples/traits-impl-trait/src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn combine_vecs_explicit_return_type(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> examples/the-try-macro/src/main.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let first_number = try!(first_number_str.parse::<i32>());
[INFO] [stdout]   |                        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> examples/the-try-macro/src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let second_number = try!(second_number_str.parse::<i32>());
[INFO] [stdout]   |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling hashmap01 v0.1.0 (/opt/rustwide/workdir/examples/hashmap01)
[INFO] [stderr]    Compiling borrowed-owned-types v0.1.0 (/opt/rustwide/workdir/examples/borrowed-owned-types)
[INFO] [stderr]    Compiling combinators-map v0.1.0 (/opt/rustwide/workdir/examples/combinators-map)
[INFO] [stderr]    Compiling senders-and-receivers v0.1.0 (/opt/rustwide/workdir/examples/senders-and-receivers)
[INFO] [stderr]    Compiling option-and-unwrap v0.1.0 (/opt/rustwide/workdir/examples/option-and-unwrap)
[INFO] [stderr]    Compiling aliases-for-result v0.1.0 (/opt/rustwide/workdir/examples/aliases-for-result)
[INFO] [stderr]    Compiling download-async v0.1.0 (/opt/rustwide/workdir/examples/download-async)
[INFO] [stderr]    Compiling transpose-results v0.1.0 (/opt/rustwide/workdir/examples/transpose-results)
[INFO] [stderr]    Compiling generics-traits v0.1.0 (/opt/rustwide/workdir/examples/generics-traits)
[INFO] [stderr]    Compiling macro-rules-overload v0.1.0 (/opt/rustwide/workdir/examples/macro-rules-overload)
[INFO] [stderr]    Compiling result-basic v0.1.0 (/opt/rustwide/workdir/examples/result-basic)
[INFO] [stderr]    Compiling plain-scoped-threads v0.1.0 (/opt/rustwide/workdir/examples/plain-scoped-threads)
[INFO] [stderr]    Compiling concurrency-threads-simple v0.1.0 (/opt/rustwide/workdir/examples/concurrency-threads-simple)
[INFO] [stderr]    Compiling map-for-result-2 v0.1.0 (/opt/rustwide/workdir/examples/map-for-result-2)
[INFO] [stderr]    Compiling result-handler v0.1.0 (/opt/rustwide/workdir/examples/result-handler)
[INFO] [stderr]    Compiling boxing-errors v0.1.0 (/opt/rustwide/workdir/examples/boxing-errors)
[INFO] [stdout] error[E0601]: `main` function not found in crate `result_handler`
[INFO] [stdout]   --> examples/result-handler/src/main.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/result-handler/src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling implement-partialord v0.1.0 (/opt/rustwide/workdir/examples/implement-partialord)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/result-handler/src/main.rs:36:31
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn op_(x: f64, y: f64) -> MathResult {
[INFO] [stdout]    |        ---                    ^^^^^^^^^^ expected `Result<f64, MathError>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<f64, MathError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `result-handler` (bin "result-handler") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6686437ab64ad631f99f372c0797d19ce5a978b8eb3beb6528254b8790fe096f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6686437ab64ad631f99f372c0797d19ce5a978b8eb3beb6528254b8790fe096f", kill_on_drop: false }`
[INFO] [stdout] 6686437ab64ad631f99f372c0797d19ce5a978b8eb3beb6528254b8790fe096f
