[INFO] fetching crate switchyard 0.3.1...
[INFO] building switchyard-0.3.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate switchyard 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate switchyard 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate switchyard 0.3.1
[INFO] tweaked toml for crates.io crate switchyard 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate switchyard 0.3.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate switchyard 0.3.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cfff0d695fa0239f696d0536706fcae2b88759aa36b739985bc416024e7157e
[INFO] running `Command { std: "docker" "start" "-a" "9cfff0d695fa0239f696d0536706fcae2b88759aa36b739985bc416024e7157e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cfff0d695fa0239f696d0536706fcae2b88759aa36b739985bc416024e7157e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfff0d695fa0239f696d0536706fcae2b88759aa36b739985bc416024e7157e", kill_on_drop: false }`
[INFO] [stdout] 9cfff0d695fa0239f696d0536706fcae2b88759aa36b739985bc416024e7157e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c635eae6f5f965a216fb12b82ebaa0c4d08ff19ec1df7c088a7f8e5f218feb
[INFO] running `Command { std: "docker" "start" "-a" "b9c635eae6f5f965a216fb12b82ebaa0c4d08ff19ec1df7c088a7f8e5f218feb", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling errno v0.3.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling affinity v0.1.2
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling priority-queue v2.3.1
[INFO] [stderr]    Compiling switchyard v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "b9c635eae6f5f965a216fb12b82ebaa0c4d08ff19ec1df7c088a7f8e5f218feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c635eae6f5f965a216fb12b82ebaa0c4d08ff19ec1df7c088a7f8e5f218feb", kill_on_drop: false }`
[INFO] [stdout] b9c635eae6f5f965a216fb12b82ebaa0c4d08ff19ec1df7c088a7f8e5f218feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c6e91da8c0f6b5a2fa918d250a668b1077afece27de0ca36260b7f35c476134
[INFO] running `Command { std: "docker" "start" "-a" "7c6e91da8c0f6b5a2fa918d250a668b1077afece27de0ca36260b7f35c476134", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling clap v4.5.37
[INFO] [stderr]    Compiling polling v3.7.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling async-io v2.4.0
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.13.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling switchyard v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.44s
[INFO] running `Command { std: "docker" "inspect" "7c6e91da8c0f6b5a2fa918d250a668b1077afece27de0ca36260b7f35c476134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6e91da8c0f6b5a2fa918d250a668b1077afece27de0ca36260b7f35c476134", kill_on_drop: false }`
[INFO] [stdout] 7c6e91da8c0f6b5a2fa918d250a668b1077afece27de0ca36260b7f35c476134