[INFO] fetching crate shared-bus 0.3.1...
[INFO] testing shared-bus-0.3.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shared-bus 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate shared-bus 0.3.1
[INFO] finished tweaking crates.io crate shared-bus 0.3.1
[INFO] tweaked toml for crates.io crate shared-bus 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shared-bus 0.3.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding embedded-hal v1.0.0-alpha.9 (available: v1.0.0)
[INFO] [stderr]       Adding embedded-hal-mock v0.9.0 (available: v0.11.1)
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] [stderr]       Adding xtensa-lx v0.8.0 (available: v0.13.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3cfe46903ff8753c8f49d0ff02af94eb67172d7918302615f1455810b85119a
[INFO] running `Command { std: "docker" "start" "-a" "c3cfe46903ff8753c8f49d0ff02af94eb67172d7918302615f1455810b85119a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3cfe46903ff8753c8f49d0ff02af94eb67172d7918302615f1455810b85119a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cfe46903ff8753c8f49d0ff02af94eb67172d7918302615f1455810b85119a", kill_on_drop: false }`
[INFO] [stdout] c3cfe46903ff8753c8f49d0ff02af94eb67172d7918302615f1455810b85119a
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 501ba67212b83e5d6e84edf5bfe4eeb24d9ad1315c6f6102f1a7850f438f2d21
[INFO] running `Command { std: "docker" "start" "-a" "501ba67212b83e5d6e84edf5bfe4eeb24d9ad1315c6f6102f1a7850f438f2d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling shared-bus v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "501ba67212b83e5d6e84edf5bfe4eeb24d9ad1315c6f6102f1a7850f438f2d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501ba67212b83e5d6e84edf5bfe4eeb24d9ad1315c6f6102f1a7850f438f2d21", kill_on_drop: false }`
[INFO] [stdout] 501ba67212b83e5d6e84edf5bfe4eeb24d9ad1315c6f6102f1a7850f438f2d21
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b994add351a6364769b7cbf71ea69a07b24797759d506b8d4a70cd169159f3b8
[INFO] running `Command { std: "docker" "start" "-a" "b994add351a6364769b7cbf71ea69a07b24797759d506b8d4a70cd169159f3b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.12.1
[INFO] [stderr]    Compiling embedded-hal-mock v0.9.0
[INFO] [stderr]    Compiling shared-bus v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `new_std` in `shared_bus`
[INFO] [stdout]   --> tests/i2c.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |         shared_bus::new_std!(i2c::Mock = device.clone()).unwrap();
[INFO] [stdout]    |                     ^^^^^^^ could not find `new_std` in `shared_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `new_std` in `shared_bus`
[INFO] [stdout]   --> tests/i2c.rs:98:31
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let manager = shared_bus::new_std!(i2c::Mock = device.clone()).unwrap();
[INFO] [stdout]    |                               ^^^^^^^ could not find `new_std` in `shared_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `new_std` in `shared_bus`
[INFO] [stdout]   --> tests/adc.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |         shared_bus::new_std!(adc::Mock<u16> = device.clone()).unwrap();
[INFO] [stdout]    |                     ^^^^^^^ could not find `new_std` in `shared_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `new_std` in `shared_bus`
[INFO] [stdout]   --> tests/adc.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |         shared_bus::new_std!(adc::Mock<u32> = device.clone()).unwrap();
[INFO] [stdout]    |                     ^^^^^^^ could not find `new_std` in `shared_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `std` in this scope
[INFO] [stdout]    --> src/mutex.rs:157:16
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let m: std::sync::Mutex<_> = BusMutex::create(t);
[INFO] [stdout]     |                ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `BusManagerStd` in crate `shared_bus`
[INFO] [stdout]    --> tests/i2c.rs:29:39
[INFO] [stdout]     |
[INFO] [stdout]  29 |     let manager: &'static shared_bus::BusManagerStd<_> =
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/manager.rs:87:1
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub struct BusManager<M> {
[INFO] [stdout]     | ------------------------ similarly named struct `BusManager` defined here
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 195 | #[cfg(feature = "std")]
[INFO] [stdout]     |       --------------- the item is gated behind the `std` feature
[INFO] [stdout] 196 | pub type BusManagerStd<BUS> = BusManager<::std::sync::Mutex<BUS>>;
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout]  29 -     let manager: &'static shared_bus::BusManagerStd<_> =
[INFO] [stdout]  29 +     let manager: &'static shared_bus::BusManager<_> =
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `BusManagerStd` in crate `shared_bus`
[INFO] [stdout]    --> tests/adc.rs:47:39
[INFO] [stdout]     |
[INFO] [stdout]  47 |     let manager: &'static shared_bus::BusManagerStd<_> =
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/manager.rs:87:1
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub struct BusManager<M> {
[INFO] [stdout]     | ------------------------ similarly named struct `BusManager` defined here
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 195 | #[cfg(feature = "std")]
[INFO] [stdout]     |       --------------- the item is gated behind the `std` feature
[INFO] [stdout] 196 | pub type BusManagerStd<BUS> = BusManager<::std::sync::Mutex<BUS>>;
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout]  47 -     let manager: &'static shared_bus::BusManagerStd<_> =
[INFO] [stdout]  47 +     let manager: &'static shared_bus::BusManager<_> =
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `BusManagerStd` in crate `shared_bus`
[INFO] [stdout]    --> tests/adc.rs:86:39
[INFO] [stdout]     |
[INFO] [stdout]  86 |     let manager: &'static shared_bus::BusManagerStd<_> =
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/manager.rs:87:1
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub struct BusManager<M> {
[INFO] [stdout]     | ------------------------ similarly named struct `BusManager` defined here
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 195 | #[cfg(feature = "std")]
[INFO] [stdout]     |       --------------- the item is gated behind the `std` feature
[INFO] [stdout] 196 | pub type BusManagerStd<BUS> = BusManager<::std::sync::Mutex<BUS>>;
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout]  86 -     let manager: &'static shared_bus::BusManagerStd<_> =
[INFO] [stdout]  86 +     let manager: &'static shared_bus::BusManager<_> =
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string` found for reference `&'static str` in the current scope
[INFO] [stdout]    --> src/mutex.rs:156:26
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let t = "hello ".to_string();
[INFO] [stdout]     |                          ^^^^^^^^^ method not found in `&'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `ToString` which provides `to_string` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 152 +     use alloc::string::ToString;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shared-bus` (test "i2c") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shared-bus` (lib test) due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shared-bus` (test "adc") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b994add351a6364769b7cbf71ea69a07b24797759d506b8d4a70cd169159f3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b994add351a6364769b7cbf71ea69a07b24797759d506b8d4a70cd169159f3b8", kill_on_drop: false }`
[INFO] [stdout] b994add351a6364769b7cbf71ea69a07b24797759d506b8d4a70cd169159f3b8
