[INFO] fetching crate vmemcached 0.5.0...
[INFO] checking vmemcached-0.5.0 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate vmemcached 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vmemcached 0.5.0 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vmemcached 0.5.0
[INFO] finished tweaking crates.io crate vmemcached 0.5.0
[INFO] tweaked toml for crates.io crate vmemcached 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bb8 v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56225cf31ddb4adc0169213505dd45acb28d436b771447b3aa7b6bfffeee3c9c
[INFO] running `Command { std: "docker" "start" "-a" "56225cf31ddb4adc0169213505dd45acb28d436b771447b3aa7b6bfffeee3c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56225cf31ddb4adc0169213505dd45acb28d436b771447b3aa7b6bfffeee3c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56225cf31ddb4adc0169213505dd45acb28d436b771447b3aa7b6bfffeee3c9c", kill_on_drop: false }`
[INFO] [stdout] 56225cf31ddb4adc0169213505dd45acb28d436b771447b3aa7b6bfffeee3c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da405be5aa32d509aac1d8d79df124d319d215c79e2e4951b7446bd04daa1f4
[INFO] running `Command { std: "docker" "start" "-a" "9da405be5aa32d509aac1d8d79df124d319d215c79e2e4951b7446bd04daa1f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
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[INFO] [stdout] warning: function `connect_with_custom_settings` is never used
[INFO] [stdout]   --> tests/helpers.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub async fn connect_with_custom_settings(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_with_custom_settings` is never used
[INFO] [stdout]   --> tests/helpers.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub async fn connect_with_custom_settings(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_with_custom_settings` is never used
[INFO] [stdout]   --> tests/helpers.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub async fn connect_with_custom_settings(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.43s
[INFO] running `Command { std: "docker" "inspect" "9da405be5aa32d509aac1d8d79df124d319d215c79e2e4951b7446bd04daa1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da405be5aa32d509aac1d8d79df124d319d215c79e2e4951b7446bd04daa1f4", kill_on_drop: false }`
[INFO] [stdout] 9da405be5aa32d509aac1d8d79df124d319d215c79e2e4951b7446bd04daa1f4