[INFO] fetching crate mio_channel 0.2.0...
[INFO] testing mio_channel-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mio_channel 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mio_channel 0.2.0
[INFO] finished tweaking crates.io crate mio_channel 0.2.0
[INFO] tweaked toml for crates.io crate mio_channel 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mio_channel 0.2.0 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] crate crates.io crate mio_channel 0.2.0 already has a lockfile, it will not be regenerated
[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] ba6f134629e4252271b975b05b04187b354d16e12c298c4f167fac21e1fdd405
[INFO] running `Command { std: "docker" "start" "-a" "ba6f134629e4252271b975b05b04187b354d16e12c298c4f167fac21e1fdd405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba6f134629e4252271b975b05b04187b354d16e12c298c4f167fac21e1fdd405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6f134629e4252271b975b05b04187b354d16e12c298c4f167fac21e1fdd405", kill_on_drop: false }`
[INFO] [stdout] ba6f134629e4252271b975b05b04187b354d16e12c298c4f167fac21e1fdd405
[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] 4760b4b1cb537a1d2b2a216ef50f89521ecafecce01ac566aa44b4a0c99414c8
[INFO] running `Command { std: "docker" "start" "-a" "4760b4b1cb537a1d2b2a216ef50f89521ecafecce01ac566aa44b4a0c99414c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling mio_channel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4760b4b1cb537a1d2b2a216ef50f89521ecafecce01ac566aa44b4a0c99414c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4760b4b1cb537a1d2b2a216ef50f89521ecafecce01ac566aa44b4a0c99414c8", kill_on_drop: false }`
[INFO] [stdout] 4760b4b1cb537a1d2b2a216ef50f89521ecafecce01ac566aa44b4a0c99414c8
[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] b1bc8642ba2bb13626909c036cc89653cbbcbc7a3f307dcb3ab488f321c07121
[INFO] running `Command { std: "docker" "start" "-a" "b1bc8642ba2bb13626909c036cc89653cbbcbc7a3f307dcb3ab488f321c07121", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio_channel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "b1bc8642ba2bb13626909c036cc89653cbbcbc7a3f307dcb3ab488f321c07121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1bc8642ba2bb13626909c036cc89653cbbcbc7a3f307dcb3ab488f321c07121", kill_on_drop: false }`
[INFO] [stdout] b1bc8642ba2bb13626909c036cc89653cbbcbc7a3f307dcb3ab488f321c07121
[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] fbcef78c2c26fecd49ae890515e1bfb73ab0aaec37d0ed7e2273e21952c06b98
[INFO] running `Command { std: "docker" "start" "-a" "fbcef78c2c26fecd49ae890515e1bfb73ab0aaec37d0ed7e2273e21952c06b98", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mio_channel-273a4450ad736533)
[INFO] [stderr]    Doc-tests mio_channel
[INFO] [stdout] 
[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 - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fbcef78c2c26fecd49ae890515e1bfb73ab0aaec37d0ed7e2273e21952c06b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbcef78c2c26fecd49ae890515e1bfb73ab0aaec37d0ed7e2273e21952c06b98", kill_on_drop: false }`
[INFO] [stdout] fbcef78c2c26fecd49ae890515e1bfb73ab0aaec37d0ed7e2273e21952c06b98