[INFO] fetching crate xtensa-lx 0.8.0...
[INFO] testing xtensa-lx-0.8.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate xtensa-lx 0.8.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate xtensa-lx 0.8.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtensa-lx 0.8.0
[INFO] finished tweaking crates.io crate xtensa-lx 0.8.0
[INFO] tweaked toml for crates.io crate xtensa-lx 0.8.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d1409edd4308fd023d100eaa016b474767bfd930b421c0f2b293a6d90d59a2
[INFO] running `Command { std: "docker" "start" "-a" "c4d1409edd4308fd023d100eaa016b474767bfd930b421c0f2b293a6d90d59a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d1409edd4308fd023d100eaa016b474767bfd930b421c0f2b293a6d90d59a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d1409edd4308fd023d100eaa016b474767bfd930b421c0f2b293a6d90d59a2", kill_on_drop: false }`
[INFO] [stdout] c4d1409edd4308fd023d100eaa016b474767bfd930b421c0f2b293a6d90d59a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c396202f1bd0b73f2510de949f02db60f50105899317d46362e7c46b076b875e
[INFO] running `Command { std: "docker" "start" "-a" "c396202f1bd0b73f2510de949f02db60f50105899317d46362e7c46b076b875e", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtensa-lx v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mutex-trait v0.2.0
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `spin`
[INFO] [stdout]   --> src/mutex.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |             data: spin::Mutex::new(data),
[INFO] [stdout]    |                   ^^^^ use of undeclared crate or module `spin`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  + use bare_metal::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] 3  + use crate::mutex::mutex_trait::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] 3  + use mutex_trait::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Mutex`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 19 -             data: spin::Mutex::new(data),
[INFO] [stdout] 19 +             data: Mutex::new(data),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `spin`
[INFO] [stdout]   --> src/mutex.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |             data: spin::Mutex::new(data),
[INFO] [stdout]    |                   ^^^^ use of undeclared crate or module `spin`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  + use bare_metal::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] 3  + use crate::mutex::mutex_trait::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] 3  + use mutex_trait::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Mutex`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 85 -             data: spin::Mutex::new(data),
[INFO] [stdout] 85 +             data: Mutex::new(data),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm_experimental_arch)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]  --> src/timer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::arch::asm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/mutex.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Default)]
[INFO] [stdout]   |          ^ cannot infer type
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/mutex.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[derive(Default)]
[INFO] [stdout]    |          ^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `spin`
[INFO] [stdout]   --> src/mutex.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     data: spin::Mutex<T>,
[INFO] [stdout]    |           ^^^^ use of undeclared crate or module `spin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `spin`
[INFO] [stdout]   --> src/mutex.rs:77:11
[INFO] [stdout]    |
[INFO] [stdout] 77 |     data: spin::Mutex<T>,
[INFO] [stdout]    |           ^^^^ use of undeclared crate or module `spin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xtensa-lx` (lib) due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c396202f1bd0b73f2510de949f02db60f50105899317d46362e7c46b076b875e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c396202f1bd0b73f2510de949f02db60f50105899317d46362e7c46b076b875e", kill_on_drop: false }`
[INFO] [stdout] c396202f1bd0b73f2510de949f02db60f50105899317d46362e7c46b076b875e
