[INFO] fetching crate r2d2_redis_cluster 0.1.6...
[INFO] testing r2d2_redis_cluster-0.1.6 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate r2d2_redis_cluster 0.1.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate r2d2_redis_cluster 0.1.6 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r2d2_redis_cluster 0.1.6
[INFO] finished tweaking crates.io crate r2d2_redis_cluster 0.1.6
[INFO] tweaked toml for crates.io crate r2d2_redis_cluster 0.1.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redis_cluster_rs v0.1.10
[INFO] [stderr]   Downloaded redis v0.11.0
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9f49671db235d80e76bf7e3781caf9de7512332fd104b326d16bae42babdefc
[INFO] running `Command { std: "docker" "start" "-a" "a9f49671db235d80e76bf7e3781caf9de7512332fd104b326d16bae42babdefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f49671db235d80e76bf7e3781caf9de7512332fd104b326d16bae42babdefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f49671db235d80e76bf7e3781caf9de7512332fd104b326d16bae42babdefc", kill_on_drop: false }`
[INFO] [stdout] a9f49671db235d80e76bf7e3781caf9de7512332fd104b326d16bae42babdefc
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a363f080e48c8d5a1009317a4680a19a99478a577c892b036d333abbfcd13ec4
[INFO] running `Command { std: "docker" "start" "-a" "a363f080e48c8d5a1009317a4680a19a99478a577c892b036d333abbfcd13ec4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling r2d2 v0.8.9
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling redis v0.11.0
[INFO] [stderr]    Compiling redis_cluster_rs v0.1.10
[INFO] [stderr]    Compiling r2d2_redis_cluster v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.64s
[INFO] running `Command { std: "docker" "inspect" "a363f080e48c8d5a1009317a4680a19a99478a577c892b036d333abbfcd13ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a363f080e48c8d5a1009317a4680a19a99478a577c892b036d333abbfcd13ec4", kill_on_drop: false }`
[INFO] [stdout] a363f080e48c8d5a1009317a4680a19a99478a577c892b036d333abbfcd13ec4
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a4bdb13faba8ac6330cfaf853d5af418727ead9993f811ff9ce84bc5b80e59a
[INFO] running `Command { std: "docker" "start" "-a" "9a4bdb13faba8ac6330cfaf853d5af418727ead9993f811ff9ce84bc5b80e59a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling r2d2_redis_cluster v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "9a4bdb13faba8ac6330cfaf853d5af418727ead9993f811ff9ce84bc5b80e59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4bdb13faba8ac6330cfaf853d5af418727ead9993f811ff9ce84bc5b80e59a", kill_on_drop: false }`
[INFO] [stdout] 9a4bdb13faba8ac6330cfaf853d5af418727ead9993f811ff9ce84bc5b80e59a
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e1377cf1620cf3fa7a1ae16bd1bf3d22b495f9352833b818891778f47dc5f09
[INFO] running `Command { std: "docker" "start" "-a" "0e1377cf1620cf3fa7a1ae16bd1bf3d22b495f9352833b818891778f47dc5f09", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r2d2_redis_cluster-b8d8471766a4dc4a)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r2d2_redis_cluster
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] error[E0596]: cannot borrow `connection` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/lib.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let connection = pool.get().unwrap();
[INFO] [stdout]    |                 ---------- help: consider changing this to be mutable: `mut connection`
[INFO] [stdout] 21 |             let _: u64 = connection.incr("test", 1).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "0e1377cf1620cf3fa7a1ae16bd1bf3d22b495f9352833b818891778f47dc5f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1377cf1620cf3fa7a1ae16bd1bf3d22b495f9352833b818891778f47dc5f09", kill_on_drop: false }`
[INFO] [stdout] 0e1377cf1620cf3fa7a1ae16bd1bf3d22b495f9352833b818891778f47dc5f09
