[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 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkricsleo%2Fdemo-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kricsleo/demo-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-7/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a657d60f5b120d4ca0f7cdc8993db2567440f0a0765b6020442598e1fcbcf71
[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" "2a657d60f5b120d4ca0f7cdc8993db2567440f0a0765b6020442598e1fcbcf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a657d60f5b120d4ca0f7cdc8993db2567440f0a0765b6020442598e1fcbcf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a657d60f5b120d4ca0f7cdc8993db2567440f0a0765b6020442598e1fcbcf71", kill_on_drop: false }`
[INFO] [stdout] 2a657d60f5b120d4ca0f7cdc8993db2567440f0a0765b6020442598e1fcbcf71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 284164d8add61d70ffd2c674bc4ead0f4054ba9a3f561c3db0491104782d6e9f
[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" "284164d8add61d70ffd2c674bc4ead0f4054ba9a3f561c3db0491104782d6e9f", 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" "284164d8add61d70ffd2c674bc4ead0f4054ba9a3f561c3db0491104782d6e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284164d8add61d70ffd2c674bc4ead0f4054ba9a3f561c3db0491104782d6e9f", kill_on_drop: false }`
[INFO] [stdout] 284164d8add61d70ffd2c674bc4ead0f4054ba9a3f561c3db0491104782d6e9f
