[INFO] cloning repository https://github.com/ignolardo/rust_kernel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ignolardo/rust_kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignolardo%2Frust_kernel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignolardo%2Frust_kernel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10d2bfdce0d21631e91690fd69ddbde2f3cc5e80 [INFO] testing ignolardo/rust_kernel against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignolardo%2Frust_kernel" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/ignolardo/rust_kernel [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/ignolardo/rust_kernel [INFO] tweaked toml for git repo https://github.com/ignolardo/rust_kernel written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ignolardo/rust_kernel on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ignolardo/rust_kernel 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26283b19737284e906dfd71ac62dbe0c8ccfea2659d0be54c3548df589285121 [INFO] running `Command { std: "docker" "start" "-a" "26283b19737284e906dfd71ac62dbe0c8ccfea2659d0be54c3548df589285121", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26283b19737284e906dfd71ac62dbe0c8ccfea2659d0be54c3548df589285121", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26283b19737284e906dfd71ac62dbe0c8ccfea2659d0be54c3548df589285121", kill_on_drop: false }` [INFO] [stdout] 26283b19737284e906dfd71ac62dbe0c8ccfea2659d0be54c3548df589285121 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ee1c0ea294a089b3995fd74c4a642933dcd28912daa62976e99fc912f051c5d [INFO] running `Command { std: "docker" "start" "-a" "1ee1c0ea294a089b3995fd74c4a642933dcd28912daa62976e99fc912f051c5d", kill_on_drop: false }` [INFO] [stderr] Compiling rustversion v1.0.20 [INFO] [stderr] Compiling bitflags v2.9.0 [INFO] [stderr] Compiling volatile v0.4.6 [INFO] [stderr] Compiling bootloader v0.9.31 [INFO] [stderr] Compiling pc-keyboard v0.8.0 [INFO] [stderr] Compiling volatile v0.2.7 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling spinning_top v0.2.5 [INFO] [stderr] Compiling linked_list_allocator v0.10.5 [INFO] [stderr] Compiling x86_64 v0.15.2 [INFO] [stderr] Compiling x86_64 v0.14.13 [INFO] [stderr] Compiling pic8259 v0.11.0 [INFO] [stderr] Compiling uart_16550 v0.2.19 [INFO] [stderr] Compiling my_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/allocator.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn lock(&self) -> spin::MutexGuard { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 26 | pub fn lock(&self) -> spin::MutexGuard<'_, T> { [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] [stderr] error: could not compile `my_os` (bin "my_os") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "1ee1c0ea294a089b3995fd74c4a642933dcd28912daa62976e99fc912f051c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ee1c0ea294a089b3995fd74c4a642933dcd28912daa62976e99fc912f051c5d", kill_on_drop: false }` [INFO] [stdout] 1ee1c0ea294a089b3995fd74c4a642933dcd28912daa62976e99fc912f051c5d