[INFO] fetching crate dioxide 0.0.1...
[INFO] checking dioxide-0.0.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate dioxide 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dioxide 0.0.1
[INFO] finished tweaking crates.io crate dioxide 0.0.1
[INFO] tweaked toml for crates.io crate dioxide 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dioxide 0.0.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dioxide 0.0.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48de2e8399abb9f4bf99331365964023b1d75bb6185e04c4fb1376ada97c32ba
[INFO] running `Command { std: "docker" "start" "-a" "48de2e8399abb9f4bf99331365964023b1d75bb6185e04c4fb1376ada97c32ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48de2e8399abb9f4bf99331365964023b1d75bb6185e04c4fb1376ada97c32ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48de2e8399abb9f4bf99331365964023b1d75bb6185e04c4fb1376ada97c32ba", kill_on_drop: false }`
[INFO] [stdout] 48de2e8399abb9f4bf99331365964023b1d75bb6185e04c4fb1376ada97c32ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2249f9d49881b50c6fc4d27858fd2463eda3472b5f2598b6652272692e065df
[INFO] running `Command { std: "docker" "start" "-a" "e2249f9d49881b50c6fc4d27858fd2463eda3472b5f2598b6652272692e065df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling bootloader_api v0.11.9
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling dioxide_derive v0.0.1
[INFO] [stderr]     Checking dioxide v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::*`
[INFO] [stdout]  --> src/kernel/os.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{error::OsError, std::*};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::*`
[INFO] [stdout]  --> src/kernel/os.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{error::OsError, std::*};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> src/error/panic.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / pub fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] 7 | |   eprintln!("you messed up kiddo | {info:?}");
[INFO] [stdout] 8 | |   crate::hal::sys::halt()
[INFO] [stdout] 9 | | }
[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/998b6603a58e47f42ccce7a67943234e96b6839e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-182371ab76f58e7c.rlib
[INFO] [stdout]   = note: second definition in the local crate (`dioxide`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dioxide` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `ErrorCode` is never constructed
[INFO] [stdout]  --> src/error.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ErrorCode(i32);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/kernel/framebuffer.rs:93:15
[INFO] [stdout]    |
[INFO] [stdout] 93 |   pub fn iter(&self) -> FrameBufferIterator {
[INFO] [stdout]    |               ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |   pub fn iter(&self) -> FrameBufferIterator<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/kernel/framebuffer.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |   pub fn iter_mut(&mut self) -> FrameBufferIteratorMut {
[INFO] [stdout]     |                   ^^^^^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |   pub fn iter_mut(&mut self) -> FrameBufferIteratorMut<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2249f9d49881b50c6fc4d27858fd2463eda3472b5f2598b6652272692e065df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2249f9d49881b50c6fc4d27858fd2463eda3472b5f2598b6652272692e065df", kill_on_drop: false }`
[INFO] [stdout] e2249f9d49881b50c6fc4d27858fd2463eda3472b5f2598b6652272692e065df