[INFO] fetching crate rust_observer 0.2.2...
[INFO] building rust_observer-0.2.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rust_observer 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rust_observer 0.2.2
[INFO] finished tweaking crates.io crate rust_observer 0.2.2
[INFO] tweaked toml for crates.io crate rust_observer 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_observer 0.2.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 186 packages to latest compatible versions
[INFO] [stderr]       Adding sysinfo v0.31.4 (available: v0.37.1)
[INFO] [stderr]       Adding toml v0.8.23 (available: v0.9.7)
[INFO] [stderr]       Adding tonic v0.12.3 (available: v0.14.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_observer_trace_macro v0.1.1
[INFO] [stderr]   Downloaded prost-build v0.13.5
[INFO] [stderr]   Downloaded rust_observer_protobuf v0.1.2
[INFO] [stderr]   Downloaded rust_observer_log_macro v0.1.5
[INFO] [stderr]   Downloaded sysinfo v0.31.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7bd985a3528e0b210179ddd90fb98928a7b9c19c343eb3d3873f8baf8cd15ba
[INFO] running `Command { std: "docker" "start" "-a" "d7bd985a3528e0b210179ddd90fb98928a7b9c19c343eb3d3873f8baf8cd15ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7bd985a3528e0b210179ddd90fb98928a7b9c19c343eb3d3873f8baf8cd15ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bd985a3528e0b210179ddd90fb98928a7b9c19c343eb3d3873f8baf8cd15ba", kill_on_drop: false }`
[INFO] [stdout] d7bd985a3528e0b210179ddd90fb98928a7b9c19c343eb3d3873f8baf8cd15ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 941f5d4a8cdfe68ca3c2992cb5baaae848e27af71d8d2293b0ef85c33d752f7f
[INFO] running `Command { std: "docker" "start" "-a" "941f5d4a8cdfe68ca3c2992cb5baaae848e27af71d8d2293b0ef85c33d752f7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling sysinfo v0.31.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling toml_edit v0.23.6
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling prost-types v0.13.5
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]    Compiling tonic-build v0.12.3
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling rust_observer_protobuf v0.1.2
[INFO] [stderr]    Compiling rust_observer_trace_macro v0.1.1
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling rust_observer_log_macro v0.1.5
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling tonic v0.12.3
[INFO] [stderr]    Compiling rust_observer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.35s
[INFO] running `Command { std: "docker" "inspect" "941f5d4a8cdfe68ca3c2992cb5baaae848e27af71d8d2293b0ef85c33d752f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941f5d4a8cdfe68ca3c2992cb5baaae848e27af71d8d2293b0ef85c33d752f7f", kill_on_drop: false }`
[INFO] [stdout] 941f5d4a8cdfe68ca3c2992cb5baaae848e27af71d8d2293b0ef85c33d752f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a3630138cb10804415a0c60df61d6badebdb86a348261735a28a14ae4a9a9f
[INFO] running `Command { std: "docker" "start" "-a" "03a3630138cb10804415a0c60df61d6badebdb86a348261735a28a14ae4a9a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_observer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "03a3630138cb10804415a0c60df61d6badebdb86a348261735a28a14ae4a9a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a3630138cb10804415a0c60df61d6badebdb86a348261735a28a14ae4a9a9f", kill_on_drop: false }`
[INFO] [stdout] 03a3630138cb10804415a0c60df61d6badebdb86a348261735a28a14ae4a9a9f