[INFO] cloning repository https://github.com/0x4d415249/lemon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x4d415249/lemon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x4d415249%2Flemon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x4d415249%2Flemon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ca195fad3b574937a51372e37c628ae602062ca
[INFO] checking 0x4d415249/lemon against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x4d415249%2Flemon" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/0x4d415249/lemon
[INFO] finished tweaking git repo https://github.com/0x4d415249/lemon
[INFO] tweaked toml for git repo https://github.com/0x4d415249/lemon written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x4d415249/lemon on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0x4d415249/lemon 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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca005689d28a0d9f3953c1a6d7054e304ccbe6de256e6dae78814db81908a415
[INFO] running `Command { std: "docker" "start" "-a" "ca005689d28a0d9f3953c1a6d7054e304ccbe6de256e6dae78814db81908a415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca005689d28a0d9f3953c1a6d7054e304ccbe6de256e6dae78814db81908a415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca005689d28a0d9f3953c1a6d7054e304ccbe6de256e6dae78814db81908a415", kill_on_drop: false }`
[INFO] [stdout] ca005689d28a0d9f3953c1a6d7054e304ccbe6de256e6dae78814db81908a415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 315a5721f8667e78e38ee9aa6a67225c494b17240894b1d8bd2379e951cad5c2
[INFO] running `Command { std: "docker" "start" "-a" "315a5721f8667e78e38ee9aa6a67225c494b17240894b1d8bd2379e951cad5c2", kill_on_drop: false }`
[INFO] [stderr]     Checking lemon v0.0.0 (/opt/rustwide/workdir/crates/lemon)
[INFO] [stderr]     Checking xtask v0.0.0 (/opt/rustwide/workdir/crates/xtask)
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]  --> crates/lemon/src/limine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]  --> crates/lemon/src/limine.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> crates/lemon/src/panic.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / fn panic(info: &PanicInfo<'_>) -> ! {
[INFO] [stdout] 18 | |     writeln!(&COM1, "kernel panic: {info}");
[INFO] [stdout] 19 | |
[INFO] [stdout] 20 | |     loop {}
[INFO] [stdout] 21 | | }
[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/54cf65b8d066c082e536455049b95943cf30378f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-957b1fe07cf96b13.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`lemon`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lemon` (bin "lemon" test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]  --> crates/lemon/src/limine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]  --> crates/lemon/src/limine.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/lemon/src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut vec = vec![1, 2, 3, 4, 5];
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lemon` (bin "lemon") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "315a5721f8667e78e38ee9aa6a67225c494b17240894b1d8bd2379e951cad5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315a5721f8667e78e38ee9aa6a67225c494b17240894b1d8bd2379e951cad5c2", kill_on_drop: false }`
[INFO] [stdout] 315a5721f8667e78e38ee9aa6a67225c494b17240894b1d8bd2379e951cad5c2
