[INFO] cloning repository https://github.com/mayukh-chr/Meow-OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mayukh-chr/Meow-OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayukh-chr%2FMeow-OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayukh-chr%2FMeow-OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ad1e7980ae6b248fe14c0876daf2f30ae9f8ff2
[INFO] checking mayukh-chr/Meow-OS against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayukh-chr%2FMeow-OS" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mayukh-chr/Meow-OS
[INFO] finished tweaking git repo https://github.com/mayukh-chr/Meow-OS
[INFO] tweaked toml for git repo https://github.com/mayukh-chr/Meow-OS written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mayukh-chr/Meow-OS on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mayukh-chr/Meow-OS 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" "+f70ee28831acc074c109afab32d287057c3eca46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5675704dadc40e83535c806c06a3ed38bff968e52b73d2221dd2049e0e8c2512
[INFO] running `Command { std: "docker" "start" "-a" "5675704dadc40e83535c806c06a3ed38bff968e52b73d2221dd2049e0e8c2512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5675704dadc40e83535c806c06a3ed38bff968e52b73d2221dd2049e0e8c2512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5675704dadc40e83535c806c06a3ed38bff968e52b73d2221dd2049e0e8c2512", kill_on_drop: false }`
[INFO] [stdout] 5675704dadc40e83535c806c06a3ed38bff968e52b73d2221dd2049e0e8c2512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a4e7fc416a0b2ab5b2f5c77ceee597ae7c0d93440d93758b6bffa0a56874a29
[INFO] running `Command { std: "docker" "start" "-a" "1a4e7fc416a0b2ab5b2f5c77ceee597ae7c0d93440d93758b6bffa0a56874a29", kill_on_drop: false }`
[INFO] [stderr]     Checking kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `panic_info_message` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(panic_info_message)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/main.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | / fn panic(panic_info: &PanicInfo) -> ! {
[INFO] [stdout] 111 | |     if let Some(args) = panic_info.message() {
[INFO] [stdout] 112 | |         println!("{}", args);
[INFO] [stdout] 113 | |     } else {
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |     loop {}
[INFO] [stdout] 117 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]     = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f70ee28831acc074c109afab32d287057c3eca46/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8f13478ecb534816.rlib
[INFO] [stdout]     = note: second definition in the local crate (`kernel`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` (bin "kernel" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     if let Some(args) = panic_info.message() {
[INFO] [stdout]     |            ^^^^^^^^^^   -------------------- this expression has type `PanicMessage<'_>`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            expected `PanicMessage<'_>`, found `Option<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `PanicMessage<'_>`
[INFO] [stdout]                  found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` (bin "kernel") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1a4e7fc416a0b2ab5b2f5c77ceee597ae7c0d93440d93758b6bffa0a56874a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4e7fc416a0b2ab5b2f5c77ceee597ae7c0d93440d93758b6bffa0a56874a29", kill_on_drop: false }`
[INFO] [stdout] 1a4e7fc416a0b2ab5b2f5c77ceee597ae7c0d93440d93758b6bffa0a56874a29