[INFO] fetching crate rust-etcd-utils 0.12.0...
[INFO] building rust-etcd-utils-0.12.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rust-etcd-utils 0.12.0 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rust-etcd-utils 0.12.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rust-etcd-utils 0.12.0
[INFO] tweaked toml for crates.io crate rust-etcd-utils 0.12.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-etcd-utils 0.12.0 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 rust-etcd-utils 0.12.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33bf860280b78d28e18089ddd8d5429629473b07e7d6e44e4d13fa929b9b09e6
[INFO] running `Command { std: "docker" "start" "-a" "33bf860280b78d28e18089ddd8d5429629473b07e7d6e44e4d13fa929b9b09e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33bf860280b78d28e18089ddd8d5429629473b07e7d6e44e4d13fa929b9b09e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33bf860280b78d28e18089ddd8d5429629473b07e7d6e44e4d13fa929b9b09e6", kill_on_drop: false }`
[INFO] [stdout] 33bf860280b78d28e18089ddd8d5429629473b07e7d6e44e4d13fa929b9b09e6
[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=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] f83cdf0d88823b85e6d100b8c5c354acdee093db255e9bcd5fd9bed32fca8390
[INFO] running `Command { std: "docker" "start" "-a" "f83cdf0d88823b85e6d100b8c5c354acdee093db255e9bcd5fd9bed32fca8390", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling prettyplease v0.2.36
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling retry v2.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling axum-core v0.5.2
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling prost-types v0.13.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tonic-build v0.13.1
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling h2 v0.4.11
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling etcd-client v0.16.1
[INFO] [stderr]    Compiling axum v0.8.4
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling tonic v0.13.1
[INFO] [stderr]    Compiling rust-etcd-utils v0.12.0 (/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 35.20s
[INFO] running `Command { std: "docker" "inspect" "f83cdf0d88823b85e6d100b8c5c354acdee093db255e9bcd5fd9bed32fca8390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83cdf0d88823b85e6d100b8c5c354acdee093db255e9bcd5fd9bed32fca8390", kill_on_drop: false }`
[INFO] [stdout] f83cdf0d88823b85e6d100b8c5c354acdee093db255e9bcd5fd9bed32fca8390
[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=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] c5bc9bd4cfbec5f84a7b8d863a4ee48a74d63684197e2f4f13e203dac3a12c19
[INFO] running `Command { std: "docker" "start" "-a" "c5bc9bd4cfbec5f84a7b8d863a4ee48a74d63684197e2f4f13e203dac3a12c19", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling h2 v0.4.11
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling axum v0.8.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling tonic v0.13.1
[INFO] [stderr]    Compiling etcd-client v0.16.1
[INFO] [stderr]    Compiling rust-etcd-utils v0.12.0 (/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 24.99s
[INFO] running `Command { std: "docker" "inspect" "c5bc9bd4cfbec5f84a7b8d863a4ee48a74d63684197e2f4f13e203dac3a12c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bc9bd4cfbec5f84a7b8d863a4ee48a74d63684197e2f4f13e203dac3a12c19", kill_on_drop: false }`
[INFO] [stdout] c5bc9bd4cfbec5f84a7b8d863a4ee48a74d63684197e2f4f13e203dac3a12c19