[INFO] crate r2d2_gluster 0.1.1 is already in cache
[INFO] checking r2d2_gluster-0.1.1 against master#be493fe8cc40c3d3f6030a1313c1ff747fce770d for pr-69129
[INFO] extracting crate r2d2_gluster 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate r2d2_gluster 0.1.1 on toolchain be493fe8cc40c3d3f6030a1313c1ff747fce770d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad7f925caf0c0f58dbc02b9b5d4c457caa702f3a0464d11f463efcf1a5b735d1
[INFO] running `"docker" "start" "-a" "ad7f925caf0c0f58dbc02b9b5d4c457caa702f3a0464d11f463efcf1a5b735d1"`
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking gfapi-sys v0.3.6
[INFO] [stderr]     Checking r2d2_gluster v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn has_broken(&self, conn: &mut Self::Connection) -> bool {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn has_broken(&self, conn: &mut Self::Connection) -> bool {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "ad7f925caf0c0f58dbc02b9b5d4c457caa702f3a0464d11f463efcf1a5b735d1"`
[INFO] running `"docker" "rm" "-f" "ad7f925caf0c0f58dbc02b9b5d4c457caa702f3a0464d11f463efcf1a5b735d1"`
[INFO] [stdout] ad7f925caf0c0f58dbc02b9b5d4c457caa702f3a0464d11f463efcf1a5b735d1