[INFO] fetching crate etcdobj 0.1.0-alpha1...
[INFO] checking etcdobj-0.1.0-alpha1 against master#e9182f195b8505c87c4bd055b9f6e114ccda0981 for pr-144098
[INFO] extracting crate etcdobj 0.1.0-alpha1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate etcdobj 0.1.0-alpha1
[INFO] finished tweaking crates.io crate etcdobj 0.1.0-alpha1
[INFO] tweaked toml for crates.io crate etcdobj 0.1.0-alpha1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate etcdobj 0.1.0-alpha1 on toolchain e9182f195b8505c87c4bd055b9f6e114ccda0981
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate etcdobj 0.1.0-alpha1 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" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded etcd-client v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60612aa7ab15d203a9232a5fbdd46d33ab375fc9d4f863b3923a52728b9d9c26
[INFO] running `Command { std: "docker" "start" "-a" "60612aa7ab15d203a9232a5fbdd46d33ab375fc9d4f863b3923a52728b9d9c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60612aa7ab15d203a9232a5fbdd46d33ab375fc9d4f863b3923a52728b9d9c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60612aa7ab15d203a9232a5fbdd46d33ab375fc9d4f863b3923a52728b9d9c26", kill_on_drop: false }`
[INFO] [stdout] 60612aa7ab15d203a9232a5fbdd46d33ab375fc9d4f863b3923a52728b9d9c26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79a2ddf6aecf5ac8341ba687f9714309fa0bdfadea815edd77f178943a088c18
[INFO] running `Command { std: "docker" "start" "-a" "79a2ddf6aecf5ac8341ba687f9714309fa0bdfadea815edd77f178943a088c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
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[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
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[INFO] [stderr]     Checking smallvec v1.8.0
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[INFO] [stderr]    Compiling remove_dir_all v0.5.3
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[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
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[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]    Compiling etcd-client v0.8.4
[INFO] [stderr]     Checking tokio-util v0.7.3
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[INFO] [stderr]     Checking tokio-stream v0.1.9
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[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking tracing-serde v0.1.3
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[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.6.2
[INFO] [stderr]     Checking etcdobj v0.1.0-alpha1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/object.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]  --> examples/object.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.97s
[INFO] running `Command { std: "docker" "inspect" "79a2ddf6aecf5ac8341ba687f9714309fa0bdfadea815edd77f178943a088c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a2ddf6aecf5ac8341ba687f9714309fa0bdfadea815edd77f178943a088c18", kill_on_drop: false }`
[INFO] [stdout] 79a2ddf6aecf5ac8341ba687f9714309fa0bdfadea815edd77f178943a088c18