[INFO] fetching crate mediator 0.2.2...
[INFO] testing mediator-0.2.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mediator 0.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mediator 0.2.2
[INFO] finished tweaking crates.io crate mediator 0.2.2
[INFO] tweaked toml for crates.io crate mediator 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mediator 0.2.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55d7c117228b33216c0c65e4750133e9e010d67a0ab253bd105b5b38f747e26e
[INFO] running `Command { std: "docker" "start" "-a" "55d7c117228b33216c0c65e4750133e9e010d67a0ab253bd105b5b38f747e26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d7c117228b33216c0c65e4750133e9e010d67a0ab253bd105b5b38f747e26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d7c117228b33216c0c65e4750133e9e010d67a0ab253bd105b5b38f747e26e", kill_on_drop: false }`
[INFO] [stdout] 55d7c117228b33216c0c65e4750133e9e010d67a0ab253bd105b5b38f747e26e
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e81c984f956b27d365a55b027f97b3b1cc35e334d25337f206347001f2be058b
[INFO] running `Command { std: "docker" "start" "-a" "e81c984f956b27d365a55b027f97b3b1cc35e334d25337f206347001f2be058b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mediator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "e81c984f956b27d365a55b027f97b3b1cc35e334d25337f206347001f2be058b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81c984f956b27d365a55b027f97b3b1cc35e334d25337f206347001f2be058b", kill_on_drop: false }`
[INFO] [stdout] e81c984f956b27d365a55b027f97b3b1cc35e334d25337f206347001f2be058b
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cccacdef5f28e2af47840fc116ce657548b57f4fe88b136533136cb7e8b6e30d
[INFO] running `Command { std: "docker" "start" "-a" "cccacdef5f28e2af47840fc116ce657548b57f4fe88b136533136cb7e8b6e30d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mediator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `crate::box_stream`, `crate::Interceptor`, `crate::StreamInterceptor`
[INFO] [stdout]    --> src/default_impls/mediator_impl.rs:990:9
[INFO] [stdout]     |
[INFO] [stdout] 990 |         box_stream, DefaultMediator, Event, EventHandler, Interceptor, Mediator, Request,
[INFO] [stdout]     |         ^^^^^^^^^^ no `box_stream` in the root            ^^^^^^^^^^^ no `Interceptor` in the root
[INFO] [stdout] 991 |         RequestHandler, StreamInterceptor,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^ no `StreamInterceptor` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]    --> src/default_impls/mediator_impl.rs:993:9
[INFO] [stdout]     |
[INFO] [stdout] 993 |     use std::ops::Range;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]    --> src/default_impls/mediator_impl.rs:995:21
[INFO] [stdout]     |
[INFO] [stdout] 995 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                     ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mediator` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cccacdef5f28e2af47840fc116ce657548b57f4fe88b136533136cb7e8b6e30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccacdef5f28e2af47840fc116ce657548b57f4fe88b136533136cb7e8b6e30d", kill_on_drop: false }`
[INFO] [stdout] cccacdef5f28e2af47840fc116ce657548b57f4fe88b136533136cb7e8b6e30d