[INFO] fetching crate EventEmitter 0.0.4...
[INFO] testing EventEmitter-0.0.4 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate EventEmitter 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate EventEmitter 0.0.4
[INFO] finished tweaking crates.io crate EventEmitter 0.0.4
[INFO] tweaked toml for crates.io crate EventEmitter 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate EventEmitter 0.0.4 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] 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] 8f45d0276a9db724bc6632d6f6d55bf544b930af05c93d92aded572abf8b2d8e
[INFO] running `Command { std: "docker" "start" "-a" "8f45d0276a9db724bc6632d6f6d55bf544b930af05c93d92aded572abf8b2d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f45d0276a9db724bc6632d6f6d55bf544b930af05c93d92aded572abf8b2d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f45d0276a9db724bc6632d6f6d55bf544b930af05c93d92aded572abf8b2d8e", kill_on_drop: false }`
[INFO] [stdout] 8f45d0276a9db724bc6632d6f6d55bf544b930af05c93d92aded572abf8b2d8e
[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] 44d7ca8ccaa4fca7b16cebe11c9dca5be89f8a70202b19869b587aa1a4fc56df
[INFO] running `Command { std: "docker" "start" "-a" "44d7ca8ccaa4fca7b16cebe11c9dca5be89f8a70202b19869b587aa1a4fc56df", kill_on_drop: false }`
[INFO] [stderr]    Compiling EventEmitter v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `EventEmitter` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `event_emitter`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "44d7ca8ccaa4fca7b16cebe11c9dca5be89f8a70202b19869b587aa1a4fc56df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d7ca8ccaa4fca7b16cebe11c9dca5be89f8a70202b19869b587aa1a4fc56df", kill_on_drop: false }`
[INFO] [stdout] 44d7ca8ccaa4fca7b16cebe11c9dca5be89f8a70202b19869b587aa1a4fc56df
[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] 2edaedc65bd1e0146c43497351af84a9c8efedea2ef275e14e1e0a4b488b8397
[INFO] running `Command { std: "docker" "start" "-a" "2edaedc65bd1e0146c43497351af84a9c8efedea2ef275e14e1e0a4b488b8397", kill_on_drop: false }`
[INFO] [stderr]    Compiling EventEmitter v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `EventEmitter` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `event_emitter`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "2edaedc65bd1e0146c43497351af84a9c8efedea2ef275e14e1e0a4b488b8397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edaedc65bd1e0146c43497351af84a9c8efedea2ef275e14e1e0a4b488b8397", kill_on_drop: false }`
[INFO] [stdout] 2edaedc65bd1e0146c43497351af84a9c8efedea2ef275e14e1e0a4b488b8397
[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", kill_on_drop: false }`
[INFO] [stdout] 0a2924da0ad4ff2270651044b62eeac5fee288d3878472c3dc574263d0e04252
[INFO] running `Command { std: "docker" "start" "-a" "0a2924da0ad4ff2270651044b62eeac5fee288d3878472c3dc574263d0e04252", kill_on_drop: false }`
[INFO] [stderr] warning: crate `EventEmitter` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `event_emitter`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `EventEmitter` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/EventEmitter-7bacc1a5d917deda)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests EventEmitter
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - EventEmitter::new (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - EventEmitter::new (line 14) stdout ----
[INFO] [stdout] error[E0254]: the name `EventEmitter` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:17:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate r#EventEmitter;
[INFO] [stdout]   | ---------------------------- previous import of the extern crate `EventEmitter` here
[INFO] [stdout] 4 | use std::sync::{Arc};
[INFO] [stdout] 5 | use EventEmitter::EventEmitter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ `EventEmitter` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EventEmitter` must be defined only once in the type namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]   |
[INFO] [stdout] 5 | use EventEmitter::EventEmitter as OtherEventEmitter;
[INFO] [stdout]   |                                ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new` in crate `EventEmitter`
[INFO] [stdout]  --> src/lib.rs:20:33
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let emitter = EventEmitter::new();
[INFO] [stdout]   |                                 ^^^ not found in `EventEmitter`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0254, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0254`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - EventEmitter::new (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0a2924da0ad4ff2270651044b62eeac5fee288d3878472c3dc574263d0e04252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2924da0ad4ff2270651044b62eeac5fee288d3878472c3dc574263d0e04252", kill_on_drop: false }`
[INFO] [stdout] 0a2924da0ad4ff2270651044b62eeac5fee288d3878472c3dc574263d0e04252
