[INFO] fetching crate r2d2_gluster 0.1.1...
[INFO] checking r2d2_gluster-0.1.1 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate r2d2_gluster 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate r2d2_gluster 0.1.1 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r2d2_gluster 0.1.1
[INFO] finished tweaking crates.io crate r2d2_gluster 0.1.1
[INFO] tweaked toml for crates.io crate r2d2_gluster 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 164c1f4b57b2c90a58503947ef5b6006bd02d62afd5fb9984f980ea84d979e73
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "164c1f4b57b2c90a58503947ef5b6006bd02d62afd5fb9984f980ea84d979e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "164c1f4b57b2c90a58503947ef5b6006bd02d62afd5fb9984f980ea84d979e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164c1f4b57b2c90a58503947ef5b6006bd02d62afd5fb9984f980ea84d979e73", kill_on_drop: false }`
[INFO] [stdout] 164c1f4b57b2c90a58503947ef5b6006bd02d62afd5fb9984f980ea84d979e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ad6e17809299a979bfc201d6af8dc6dfe8b41e102308aff1114034ea41637d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ad6e17809299a979bfc201d6af8dc6dfe8b41e102308aff1114034ea41637d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking gfapi-sys v0.3.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking r2d2_gluster v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn has_broken(&self, conn: &mut Self::Connection) -> bool {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn has_broken(&self, conn: &mut Self::Connection) -> bool {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "0ad6e17809299a979bfc201d6af8dc6dfe8b41e102308aff1114034ea41637d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad6e17809299a979bfc201d6af8dc6dfe8b41e102308aff1114034ea41637d9", kill_on_drop: false }`
[INFO] [stdout] 0ad6e17809299a979bfc201d6af8dc6dfe8b41e102308aff1114034ea41637d9