[INFO] fetching crate r2d2_redis 0.14.0...
[INFO] checking r2d2_redis-0.14.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate r2d2_redis 0.14.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate r2d2_redis 0.14.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r2d2_redis 0.14.0
[INFO] finished tweaking crates.io crate r2d2_redis 0.14.0
[INFO] tweaked toml for crates.io crate r2d2_redis 0.14.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate r2d2_redis 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80057443d01f54f1c170e4c477b73034625c64f573a25df250ff1695bf96f403
[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" "80057443d01f54f1c170e4c477b73034625c64f573a25df250ff1695bf96f403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80057443d01f54f1c170e4c477b73034625c64f573a25df250ff1695bf96f403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80057443d01f54f1c170e4c477b73034625c64f573a25df250ff1695bf96f403", kill_on_drop: false }`
[INFO] [stdout] 80057443d01f54f1c170e4c477b73034625c64f573a25df250ff1695bf96f403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b19024dbc8c051a48e603fafa427208ff5bf2c7f71df051b2a7d5673fd2c3485
[INFO] running `Command { std: "docker" "start" "-a" "b19024dbc8c051a48e603fafa427208ff5bf2c7f71df051b2a7d5673fd2c3485", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking redis v0.20.0
[INFO] [stderr]     Checking r2d2_redis v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::Other(ref err) => err.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::Other(ref err) => err.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.47s
[INFO] running `Command { std: "docker" "inspect" "b19024dbc8c051a48e603fafa427208ff5bf2c7f71df051b2a7d5673fd2c3485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19024dbc8c051a48e603fafa427208ff5bf2c7f71df051b2a7d5673fd2c3485", kill_on_drop: false }`
[INFO] [stdout] b19024dbc8c051a48e603fafa427208ff5bf2c7f71df051b2a7d5673fd2c3485