[INFO] fetching crate rust-etcd-utils 0.12.0...
[INFO] checking rust-etcd-utils-0.12.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate rust-etcd-utils 0.12.0 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 0.12.0
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-etcd-utils 0.12.0 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 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7e75c475586dc56afa2f8024027f10849f779f40a491c6aa8b9d42e2f42024
[INFO] running `Command { std: "docker" "start" "-a" "aa7e75c475586dc56afa2f8024027f10849f779f40a491c6aa8b9d42e2f42024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7e75c475586dc56afa2f8024027f10849f779f40a491c6aa8b9d42e2f42024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7e75c475586dc56afa2f8024027f10849f779f40a491c6aa8b9d42e2f42024", kill_on_drop: false }`
[INFO] [stdout] aa7e75c475586dc56afa2f8024027f10849f779f40a491c6aa8b9d42e2f42024
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 438f56494ef5a6cc7e748d543fe8c9bc4c1ad12b7b714332259a150e4a0275db
[INFO] running `Command { std: "docker" "start" "-a" "438f56494ef5a6cc7e748d543fe8c9bc4c1ad12b7b714332259a150e4a0275db", kill_on_drop: false }`
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[INFO] [stderr]     Checking 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `Command { std: "docker" "inspect" "438f56494ef5a6cc7e748d543fe8c9bc4c1ad12b7b714332259a150e4a0275db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438f56494ef5a6cc7e748d543fe8c9bc4c1ad12b7b714332259a150e4a0275db", kill_on_drop: false }`
[INFO] [stdout] 438f56494ef5a6cc7e748d543fe8c9bc4c1ad12b7b714332259a150e4a0275db