[INFO] cloning repository https://github.com/song9446/r2d2-beanstalkd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/song9446/r2d2-beanstalkd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsong9446%2Fr2d2-beanstalkd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsong9446%2Fr2d2-beanstalkd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e647750e978b4ad1c85bad4325ecd3561236093
[INFO] testing song9446/r2d2-beanstalkd against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsong9446%2Fr2d2-beanstalkd" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/song9446/r2d2-beanstalkd on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/song9446/r2d2-beanstalkd
[INFO] finished tweaking git repo https://github.com/song9446/r2d2-beanstalkd
[INFO] tweaked toml for git repo https://github.com/song9446/r2d2-beanstalkd written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/song9446/r2d2-beanstalkd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/song9446/beanstalkc-rust`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r2d2 v0.8.5
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.2
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 056c6781673412342b7204b47f33c6de4a89d62a552d6eb9066f2b9fcf345128
[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" "056c6781673412342b7204b47f33c6de4a89d62a552d6eb9066f2b9fcf345128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "056c6781673412342b7204b47f33c6de4a89d62a552d6eb9066f2b9fcf345128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056c6781673412342b7204b47f33c6de4a89d62a552d6eb9066f2b9fcf345128", kill_on_drop: false }`
[INFO] [stdout] 056c6781673412342b7204b47f33c6de4a89d62a552d6eb9066f2b9fcf345128
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--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] 05530080af8adfb7b70f616d5fccac391dbe42525d0734525149393efe7714d5
[INFO] running `Command { std: "docker" "start" "-a" "05530080af8adfb7b70f616d5fccac391dbe42525d0734525149393efe7714d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.2
[INFO] [stderr]    Compiling r2d2 v0.8.5
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling beanstalkc v0.2.7 (https://github.com/song9446/beanstalkc-rust#d0d11534)
[INFO] [stderr]    Compiling r2d2_beanstalkd v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn has_broken(&self, conn: &mut Client) -> bool {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.86s
[INFO] running `Command { std: "docker" "inspect" "05530080af8adfb7b70f616d5fccac391dbe42525d0734525149393efe7714d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05530080af8adfb7b70f616d5fccac391dbe42525d0734525149393efe7714d5", kill_on_drop: false }`
[INFO] [stdout] 05530080af8adfb7b70f616d5fccac391dbe42525d0734525149393efe7714d5
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e78bdb2e317dba6bad59d0ea6661761e0671efba52fdc8f81bff21406efca31
[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" "4e78bdb2e317dba6bad59d0ea6661761e0671efba52fdc8f81bff21406efca31", kill_on_drop: false }`
[INFO] [stderr]    Compiling r2d2_beanstalkd v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn has_broken(&self, conn: &mut Client) -> bool {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn has_broken(&self, conn: &mut Client) -> bool {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "4e78bdb2e317dba6bad59d0ea6661761e0671efba52fdc8f81bff21406efca31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e78bdb2e317dba6bad59d0ea6661761e0671efba52fdc8f81bff21406efca31", kill_on_drop: false }`
[INFO] [stdout] 4e78bdb2e317dba6bad59d0ea6661761e0671efba52fdc8f81bff21406efca31
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] 729a8ff776c7b7f6b97466b6eb515bd3cc58397c46d8ef77ef3b5195cb37377c
[INFO] running `Command { std: "docker" "start" "-a" "729a8ff776c7b7f6b97466b6eb515bd3cc58397c46d8ef77ef3b5195cb37377c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:80:26
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn has_broken(&self, conn: &mut Client) -> bool {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:80:26
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn has_broken(&self, conn: &mut Client) -> bool {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r2d2_beanstalkd-b05216f171b9a8f2)
[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_beanstalkd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - BeanstalkdConnectionManager (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - BeanstalkdConnectionManager (line 12) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `r2d2_redis`
[INFO] [stdout]  --> src/lib.rs:13:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate r2d2_redis;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - BeanstalkdConnectionManager (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "729a8ff776c7b7f6b97466b6eb515bd3cc58397c46d8ef77ef3b5195cb37377c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729a8ff776c7b7f6b97466b6eb515bd3cc58397c46d8ef77ef3b5195cb37377c", kill_on_drop: false }`
[INFO] [stdout] 729a8ff776c7b7f6b97466b6eb515bd3cc58397c46d8ef77ef3b5195cb37377c