[INFO] cloning repository https://github.com/Noah2610/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Noah2610/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoah2610%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoah2610%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a98916f1c149fa8a42de220b7b7427b2550da1c2
[INFO] testing Noah2610/rust-playground against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoah2610%2Frust-playground" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Noah2610/rust-playground on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Noah2610/rust-playground
[INFO] finished tweaking git repo https://github.com/Noah2610/rust-playground
[INFO] tweaked toml for git repo https://github.com/Noah2610/rust-playground written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Noah2610/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fdd03defe9169f2d497392305bfb56f4b16ed5484a6b2cfc7c6cf0b16a3caab
[INFO] running `Command { std: "docker" "start" "-a" "7fdd03defe9169f2d497392305bfb56f4b16ed5484a6b2cfc7c6cf0b16a3caab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fdd03defe9169f2d497392305bfb56f4b16ed5484a6b2cfc7c6cf0b16a3caab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fdd03defe9169f2d497392305bfb56f4b16ed5484a6b2cfc7c6cf0b16a3caab", kill_on_drop: false }`
[INFO] [stdout] 7fdd03defe9169f2d497392305bfb56f4b16ed5484a6b2cfc7c6cf0b16a3caab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36a95a66f79a4c213bae88bf389e6bacf96cd3f7325fa146601e6a52ab08d73f
[INFO] running `Command { std: "docker" "start" "-a" "36a95a66f79a4c213bae88bf389e6bacf96cd3f7325fa146601e6a52ab08d73f", kill_on_drop: false }`
[INFO] [stderr]    Compiling andrew-tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/food/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |  /         match self.color {
[INFO] [stdout] 45 |  |             //! The `format!()` [macro] lets us create a `String` with a pattern,
[INFO] [stdout]    |  |_____________^
[INFO] [stdout] 46 | ||             //! equal to how the `println!()` macro does it.
[INFO] [stdout] 47 | ||             //! [macro]: https://doc.rust-lang.org/book/ch19-06-macros.html
[INFO] [stdout]    | ||___________________________________________________________________________^
[INFO] [stdout] 48 |  |             Some(color) => format!("This apple is {:?}", color),
[INFO] [stdout] 49 |  |             None        => String::from("This apple has no color :("),
[INFO] [stdout] 50 |  |         }
[INFO] [stdout]    |  |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]  --> src/food/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Blue`
[INFO] [stdout]  --> src/food/color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Blue,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "36a95a66f79a4c213bae88bf389e6bacf96cd3f7325fa146601e6a52ab08d73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a95a66f79a4c213bae88bf389e6bacf96cd3f7325fa146601e6a52ab08d73f", kill_on_drop: false }`
[INFO] [stdout] 36a95a66f79a4c213bae88bf389e6bacf96cd3f7325fa146601e6a52ab08d73f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32436ff292f96371d6fa8095bd7b16fb956292a7f0ad2669e9e3fe2981c12061
[INFO] running `Command { std: "docker" "start" "-a" "32436ff292f96371d6fa8095bd7b16fb956292a7f0ad2669e9e3fe2981c12061", kill_on_drop: false }`
[INFO] [stderr]    Compiling andrew-tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/food/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |  /         match self.color {
[INFO] [stdout] 45 |  |             //! The `format!()` [macro] lets us create a `String` with a pattern,
[INFO] [stdout]    |  |_____________^
[INFO] [stdout] 46 | ||             //! equal to how the `println!()` macro does it.
[INFO] [stdout] 47 | ||             //! [macro]: https://doc.rust-lang.org/book/ch19-06-macros.html
[INFO] [stdout]    | ||___________________________________________________________________________^
[INFO] [stdout] 48 |  |             Some(color) => format!("This apple is {:?}", color),
[INFO] [stdout] 49 |  |             None        => String::from("This apple has no color :("),
[INFO] [stdout] 50 |  |         }
[INFO] [stdout]    |  |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]  --> src/food/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Blue`
[INFO] [stdout]  --> src/food/color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Blue,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32436ff292f96371d6fa8095bd7b16fb956292a7f0ad2669e9e3fe2981c12061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32436ff292f96371d6fa8095bd7b16fb956292a7f0ad2669e9e3fe2981c12061", kill_on_drop: false }`
[INFO] [stdout] 32436ff292f96371d6fa8095bd7b16fb956292a7f0ad2669e9e3fe2981c12061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f640968b821616ad77d4e3105e730b63c0a4ac74179f7c9869c0fbf028ff48d3
[INFO] running `Command { std: "docker" "start" "-a" "f640968b821616ad77d4e3105e730b63c0a4ac74179f7c9869c0fbf028ff48d3", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/food/mod.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |  /         match self.color {
[INFO] [stderr] 45 |  |             //! The `format!()` [macro] lets us create a `String` with a pattern,
[INFO] [stderr]    |  |_____________^
[INFO] [stderr] 46 | ||             //! equal to how the `println!()` macro does it.
[INFO] [stderr] 47 | ||             //! [macro]: https://doc.rust-lang.org/book/ch19-06-macros.html
[INFO] [stderr]    | ||___________________________________________________________________________^
[INFO] [stderr] 48 |  |             Some(color) => format!("This apple is {:?}", color),
[INFO] [stderr] 49 |  |             None        => String::from("This apple has no color :("),
[INFO] [stderr] 50 |  |         }
[INFO] [stderr]    |  |_________- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Green`
[INFO] [stderr]  --> src/food/color.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Green,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blue`
[INFO] [stderr]  --> src/food/color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Blue,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `andrew-tut` (bin "andrew-tut" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/andrew_tut-a98f67f3f15d7e63)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f640968b821616ad77d4e3105e730b63c0a4ac74179f7c9869c0fbf028ff48d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f640968b821616ad77d4e3105e730b63c0a4ac74179f7c9869c0fbf028ff48d3", kill_on_drop: false }`
[INFO] [stdout] f640968b821616ad77d4e3105e730b63c0a4ac74179f7c9869c0fbf028ff48d3