[INFO] fetching crate etcd-client 0.16.1...
[INFO] checking etcd-client-0.16.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate etcd-client 0.16.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate etcd-client 0.16.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate etcd-client 0.16.1
[INFO] tweaked toml for crates.io crate etcd-client 0.16.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate etcd-client 0.16.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate etcd-client 0.16.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94d0f5e65bd3217cbf4de8847baf7f458ba62253e5c6b2f2914320a8f1d62524
[INFO] running `Command { std: "docker" "start" "-a" "94d0f5e65bd3217cbf4de8847baf7f458ba62253e5c6b2f2914320a8f1d62524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94d0f5e65bd3217cbf4de8847baf7f458ba62253e5c6b2f2914320a8f1d62524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d0f5e65bd3217cbf4de8847baf7f458ba62253e5c6b2f2914320a8f1d62524", kill_on_drop: false }`
[INFO] [stdout] 94d0f5e65bd3217cbf4de8847baf7f458ba62253e5c6b2f2914320a8f1d62524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc12669bce17e6c9fc934afb0a722352fa203812f06ca48892874610b6e4fa6
[INFO] running `Command { std: "docker" "start" "-a" "6fc12669bce17e6c9fc934afb0a722352fa203812f06ca48892874610b6e4fa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
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[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking tracing v0.1.41
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[INFO] [stderr]    Compiling tonic-build v0.13.1
[INFO] [stderr]    Compiling etcd-client v0.16.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.15
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[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/authpb.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct User {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Role` is never constructed
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/authpb.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Role {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeaseCheckpoint` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/etcdserverpb.rs:701:12
[INFO] [stdout]     |
[INFO] [stdout] 701 | pub struct LeaseCheckpoint {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeaseCheckpointRequest` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/etcdserverpb.rs:710:12
[INFO] [stdout]     |
[INFO] [stdout] 710 | pub struct LeaseCheckpointRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeaseCheckpointResponse` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/etcdserverpb.rs:715:12
[INFO] [stdout]     |
[INFO] [stdout] 715 | pub struct LeaseCheckpointResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/authpb.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct User {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Role` is never constructed
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/authpb.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Role {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeaseCheckpoint` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/etcdserverpb.rs:701:12
[INFO] [stdout]     |
[INFO] [stdout] 701 | pub struct LeaseCheckpoint {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeaseCheckpointRequest` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/etcdserverpb.rs:710:12
[INFO] [stdout]     |
[INFO] [stdout] 710 | pub struct LeaseCheckpointRequest {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeaseCheckpointResponse` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/etcd-client-6348613d0ebf835d/out/etcdserverpb.rs:715:12
[INFO] [stdout]     |
[INFO] [stdout] 715 | pub struct LeaseCheckpointResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.99s
[INFO] running `Command { std: "docker" "inspect" "6fc12669bce17e6c9fc934afb0a722352fa203812f06ca48892874610b6e4fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc12669bce17e6c9fc934afb0a722352fa203812f06ca48892874610b6e4fa6", kill_on_drop: false }`
[INFO] [stdout] 6fc12669bce17e6c9fc934afb0a722352fa203812f06ca48892874610b6e4fa6