[INFO] cloning repository https://github.com/kricsleo/demo-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kricsleo/demo-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkricsleo%2Fdemo-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkricsleo%2Fdemo-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ad0da7c971f1e294a9ede8eb5b6dd4623c53666
[INFO] checking kricsleo/demo-rust against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkricsleo%2Fdemo-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kricsleo/demo-rust on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kricsleo/demo-rust
[INFO] finished tweaking git repo https://github.com/kricsleo/demo-rust
[INFO] tweaked toml for git repo https://github.com/kricsleo/demo-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kricsleo/demo-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b00d7e3875bfe336cdc969a96502512c20c8a0dff0e29cfb748d10ab87b174f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b00d7e3875bfe336cdc969a96502512c20c8a0dff0e29cfb748d10ab87b174f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b00d7e3875bfe336cdc969a96502512c20c8a0dff0e29cfb748d10ab87b174f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b00d7e3875bfe336cdc969a96502512c20c8a0dff0e29cfb748d10ab87b174f", kill_on_drop: false }`
[INFO] [stdout] 5b00d7e3875bfe336cdc969a96502512c20c8a0dff0e29cfb748d10ab87b174f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6efb0cc459aa2b1c7dbc570658632dddd6fd54896eb3ddc9f2e973398b674a88
[INFO] running `Command { std: "docker" "start" "-a" "6efb0cc459aa2b1c7dbc570658632dddd6fd54896eb3ddc9f2e973398b674a88", kill_on_drop: false }`
[INFO] [stderr]     Checking demo-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     io::stdin().read_line(&input).expect("failed to read input");
[INFO] [stdout]    |                           ^^^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut String`
[INFO] [stdout]                       found reference `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | fn read_number() -> u32 {
[INFO] [stdout]    |                     --- expected `u32` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 16 |     return input;
[INFO] [stdout]    |            ^^^^^ expected `u32`, found `i32`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return input.try_into().unwrap();
[INFO] [stdout]    |                 ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo-rust` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     io::stdin().read_line(&input).expect("failed to read input");
[INFO] [stdout]    |                           ^^^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut String`
[INFO] [stdout]                       found reference `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | fn read_number() -> u32 {
[INFO] [stdout]    |                     --- expected `u32` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 16 |     return input;
[INFO] [stdout]    |            ^^^^^ expected `u32`, found `i32`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return input.try_into().unwrap();
[INFO] [stdout]    |                 ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6efb0cc459aa2b1c7dbc570658632dddd6fd54896eb3ddc9f2e973398b674a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efb0cc459aa2b1c7dbc570658632dddd6fd54896eb3ddc9f2e973398b674a88", kill_on_drop: false }`
[INFO] [stdout] 6efb0cc459aa2b1c7dbc570658632dddd6fd54896eb3ddc9f2e973398b674a88