[INFO] cloning repository https://github.com/rklaehn/flume-bug-reproducer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rklaehn/flume-bug-reproducer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fflume-bug-reproducer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fflume-bug-reproducer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8f71ab194fccbf70d19ff6e07386060edb32ad7
[INFO] testing rklaehn/flume-bug-reproducer against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fflume-bug-reproducer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rklaehn/flume-bug-reproducer
[INFO] finished tweaking git repo https://github.com/rklaehn/flume-bug-reproducer
[INFO] tweaked toml for git repo https://github.com/rklaehn/flume-bug-reproducer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rklaehn/flume-bug-reproducer 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 git repo https://github.com/rklaehn/flume-bug-reproducer 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0391a866419aff16813d989edb8c813de87c53bae08069384039222103cc6506
[INFO] running `Command { std: "docker" "start" "-a" "0391a866419aff16813d989edb8c813de87c53bae08069384039222103cc6506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0391a866419aff16813d989edb8c813de87c53bae08069384039222103cc6506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0391a866419aff16813d989edb8c813de87c53bae08069384039222103cc6506", kill_on_drop: false }`
[INFO] [stdout] 0391a866419aff16813d989edb8c813de87c53bae08069384039222103cc6506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f53f43681729d766c98eabab6e5ae1e771d4c1ff470242e932fccbbacca0fc01
[INFO] running `Command { std: "docker" "start" "-a" "f53f43681729d766c98eabab6e5ae1e771d4c1ff470242e932fccbbacca0fc01", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.39.1
[INFO] [stderr]    Compiling flume-bug-reproducer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.01s
[INFO] running `Command { std: "docker" "inspect" "f53f43681729d766c98eabab6e5ae1e771d4c1ff470242e932fccbbacca0fc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53f43681729d766c98eabab6e5ae1e771d4c1ff470242e932fccbbacca0fc01", kill_on_drop: false }`
[INFO] [stdout] f53f43681729d766c98eabab6e5ae1e771d4c1ff470242e932fccbbacca0fc01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f7979d1b579d1e34a5d5a59ce2b73181e8566f6c324c10fc52c5b9423079e981
[INFO] running `Command { std: "docker" "start" "-a" "f7979d1b579d1e34a5d5a59ce2b73181e8566f6c324c10fc52c5b9423079e981", kill_on_drop: false }`
[INFO] [stderr]    Compiling flume-bug-reproducer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f7979d1b579d1e34a5d5a59ce2b73181e8566f6c324c10fc52c5b9423079e981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7979d1b579d1e34a5d5a59ce2b73181e8566f6c324c10fc52c5b9423079e981", kill_on_drop: false }`
[INFO] [stdout] f7979d1b579d1e34a5d5a59ce2b73181e8566f6c324c10fc52c5b9423079e981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7e06a1e0d5729f8b89375cfb6beff44ec9ebbdc59a4ee281271eaaa0fd60b5a0
[INFO] running `Command { std: "docker" "start" "-a" "7e06a1e0d5729f8b89375cfb6beff44ec9ebbdc59a4ee281271eaaa0fd60b5a0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flume_bug_reproducer-915ba1845d4f9dae)
[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] running `Command { std: "docker" "inspect" "7e06a1e0d5729f8b89375cfb6beff44ec9ebbdc59a4ee281271eaaa0fd60b5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e06a1e0d5729f8b89375cfb6beff44ec9ebbdc59a4ee281271eaaa0fd60b5a0", kill_on_drop: false }`
[INFO] [stdout] 7e06a1e0d5729f8b89375cfb6beff44ec9ebbdc59a4ee281271eaaa0fd60b5a0