[INFO] fetching crate rust-etcd-utils 0.13.0...
[INFO] building rust-etcd-utils-0.13.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rust-etcd-utils 0.13.0 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rust-etcd-utils 0.13.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rust-etcd-utils 0.13.0
[INFO] tweaked toml for crates.io crate rust-etcd-utils 0.13.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-etcd-utils 0.13.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-etcd-utils 0.13.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9684b97180ec04c593885519ee6bf06484dfd05296de99d3df26e687df17b8e7
[INFO] running `Command { std: "docker" "start" "-a" "9684b97180ec04c593885519ee6bf06484dfd05296de99d3df26e687df17b8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9684b97180ec04c593885519ee6bf06484dfd05296de99d3df26e687df17b8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9684b97180ec04c593885519ee6bf06484dfd05296de99d3df26e687df17b8e7", kill_on_drop: false }`
[INFO] [stdout] 9684b97180ec04c593885519ee6bf06484dfd05296de99d3df26e687df17b8e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21aaa90d5122c34095a353a43024b4e6834067b9b65d8983bcdb9d88ba368709
[INFO] running `Command { std: "docker" "start" "-a" "21aaa90d5122c34095a353a43024b4e6834067b9b65d8983bcdb9d88ba368709", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling pulldown-cmark v0.13.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v21.0.0
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling axum-core v0.5.2
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling retry v2.1.0
[INFO] [stderr]    Compiling tonic-build v0.14.2
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]    Compiling serde_derive v1.0.227
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling prost v0.14.1
[INFO] [stderr]    Compiling prost-types v0.14.1
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling prost-build v0.14.1
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tonic-prost-build v0.14.2
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling etcd-client v0.17.0
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling axum v0.8.4
[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 v0.14.2
[INFO] [stderr]    Compiling tonic-prost v0.14.2
[INFO] [stderr]    Compiling rust-etcd-utils v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RecvError` is never constructed
[INFO] [stdout]   --> src/sync/watch.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct RecvError;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "21aaa90d5122c34095a353a43024b4e6834067b9b65d8983bcdb9d88ba368709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21aaa90d5122c34095a353a43024b4e6834067b9b65d8983bcdb9d88ba368709", kill_on_drop: false }`
[INFO] [stdout] 21aaa90d5122c34095a353a43024b4e6834067b9b65d8983bcdb9d88ba368709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebbdf7c9df1c7880e510cdd8627b24ed7517219014a6516a6afda2c16c377de5
[INFO] running `Command { std: "docker" "start" "-a" "ebbdf7c9df1c7880e510cdd8627b24ed7517219014a6516a6afda2c16c377de5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling axum v0.8.4
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling tonic v0.14.2
[INFO] [stderr]    Compiling tonic-prost v0.14.2
[INFO] [stderr]    Compiling etcd-client v0.17.0
[INFO] [stderr]    Compiling rust-etcd-utils v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RecvError` is never constructed
[INFO] [stdout]   --> src/sync/watch.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct RecvError;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecvError` is never constructed
[INFO] [stdout]   --> src/sync/watch.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct RecvError;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 48.10s
[INFO] running `Command { std: "docker" "inspect" "ebbdf7c9df1c7880e510cdd8627b24ed7517219014a6516a6afda2c16c377de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbdf7c9df1c7880e510cdd8627b24ed7517219014a6516a6afda2c16c377de5", kill_on_drop: false }`
[INFO] [stdout] ebbdf7c9df1c7880e510cdd8627b24ed7517219014a6516a6afda2c16c377de5