[INFO] cloning repository https://github.com/kaisic1224/pngme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaisic1224/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaisic1224%2Fpngme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaisic1224%2Fpngme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7ab55a7c698c2f02fccab9494985233fe27ab62
[INFO] testing kaisic1224/pngme against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaisic1224%2Fpngme" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kaisic1224/pngme
[INFO] finished tweaking git repo https://github.com/kaisic1224/pngme
[INFO] tweaked toml for git repo https://github.com/kaisic1224/pngme written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kaisic1224/pngme on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kaisic1224/pngme 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d938b64344fcc3fee4ef99681ec012b0f2cbcb6dbe717b048f2bd13c10292ff0
[INFO] running `Command { std: "docker" "start" "d938b64344fcc3fee4ef99681ec012b0f2cbcb6dbe717b048f2bd13c10292ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d938b64344fcc3fee4ef99681ec012b0f2cbcb6dbe717b048f2bd13c10292ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d938b64344fcc3fee4ef99681ec012b0f2cbcb6dbe717b048f2bd13c10292ff0" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d938b64344fcc3fee4ef99681ec012b0f2cbcb6dbe717b048f2bd13c10292ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d938b64344fcc3fee4ef99681ec012b0f2cbcb6dbe717b048f2bd13c10292ff0" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling png v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `)`
[INFO] [stdout]   --> src/chunk_type.rs:49:44
[INFO] [stdout]    |
[INFO] [stdout] 49 |             self.bytes.iter().for_each(|x| ) 
[INFO] [stdout]    |                                        --- ^ expected expression
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        while parsing the body of this closure
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to open the body of the closure
[INFO] [stdout]    |
[INFO] [stdout] 49 |             self.bytes.iter().for_each(|x| { }) 
[INFO] [stdout]    |                                            + +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::eq`
[INFO] [stdout]  --> src/chunk_type.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ptr::eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/chunk_type.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |                                   ---- expected `bool` because of return type
[INFO] [stdout] 49 |             self.bytes.iter().for_each(|x| ) 
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `png` (bin "png") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d938b64344fcc3fee4ef99681ec012b0f2cbcb6dbe717b048f2bd13c10292ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d938b64344fcc3fee4ef99681ec012b0f2cbcb6dbe717b048f2bd13c10292ff0", kill_on_drop: false }`
[INFO] [stdout] d938b64344fcc3fee4ef99681ec012b0f2cbcb6dbe717b048f2bd13c10292ff0
