[INFO] fetching crate shared-bus 0.3.1...
[INFO] testing shared-bus-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate shared-bus 0.3.1 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shared-bus 0.3.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "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: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 586bbf35eb86bc8ff81337add2018e9fba54686eda01a3ebfc3070d761f647ea
[INFO] running `Command { std: "docker" "start" "-a" "586bbf35eb86bc8ff81337add2018e9fba54686eda01a3ebfc3070d761f647ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "586bbf35eb86bc8ff81337add2018e9fba54686eda01a3ebfc3070d761f647ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586bbf35eb86bc8ff81337add2018e9fba54686eda01a3ebfc3070d761f647ea", kill_on_drop: false }`
[INFO] [stdout] 586bbf35eb86bc8ff81337add2018e9fba54686eda01a3ebfc3070d761f647ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca794d4f3b8667b940ff0dd9f0e8a243cc30c3c2b51f6121b7b1e1f0f6e25ab9
[INFO] running `Command { std: "docker" "start" "-a" "ca794d4f3b8667b940ff0dd9f0e8a243cc30c3c2b51f6121b7b1e1f0f6e25ab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[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 0.46s
[INFO] running `Command { std: "docker" "inspect" "ca794d4f3b8667b940ff0dd9f0e8a243cc30c3c2b51f6121b7b1e1f0f6e25ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca794d4f3b8667b940ff0dd9f0e8a243cc30c3c2b51f6121b7b1e1f0f6e25ab9", kill_on_drop: false }`
[INFO] [stdout] ca794d4f3b8667b940ff0dd9f0e8a243cc30c3c2b51f6121b7b1e1f0f6e25ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61229301908eb5323d54e96879724772744edfa134182e45fdce8c195e2e7ee2
[INFO] running `Command { std: "docker" "start" "-a" "61229301908eb5323d54e96879724772744edfa134182e45fdce8c195e2e7ee2", 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]: failed to resolve: use of unresolved module or unlinked crate `std`
[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[E0433]: failed to resolve: could not 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]: failed to resolve: could not 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]: failed to resolve: could not 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]: failed to resolve: could not 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[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] [stdout] error[E0282]: type annotations needed for `&mut _`
[INFO] [stdout]    --> src/mutex.rs:159:29
[INFO] [stdout]     |
[INFO] [stdout] 159 |         BusMutex::lock(&m, |s| {
[INFO] [stdout]     |                             ^
[INFO] [stdout] 160 |             s.push_str("world");
[INFO] [stdout]     |               -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]     |
[INFO] [stdout] 159 |         BusMutex::lock(&m, |s: &mut _| {
[INFO] [stdout]     |                              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: 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]     |                                       ^^^^^^^^^^^^^ help: a struct with a similar name exists: `BusManager`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/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]    --> /opt/rustwide/workdir/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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: 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]     |                                       ^^^^^^^^^^^^^ help: a struct with a similar name exists: `BusManager`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/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]    --> /opt/rustwide/workdir/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] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: 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]     |                                       ^^^^^^^^^^^^^ help: a struct with a similar name exists: `BusManager`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/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]    --> /opt/rustwide/workdir/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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shared-bus` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shared-bus` (test "i2c") due to 3 previous errors
[INFO] [stderr] error: could not compile `shared-bus` (test "adc") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "61229301908eb5323d54e96879724772744edfa134182e45fdce8c195e2e7ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61229301908eb5323d54e96879724772744edfa134182e45fdce8c195e2e7ee2", kill_on_drop: false }`
[INFO] [stdout] 61229301908eb5323d54e96879724772744edfa134182e45fdce8c195e2e7ee2
