[INFO] fetching crate rust_redlock 0.4.0...
[INFO] checking rust_redlock-0.4.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate rust_redlock 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rust_redlock 0.4.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_redlock 0.4.0
[INFO] finished tweaking crates.io crate rust_redlock 0.4.0
[INFO] tweaked toml for crates.io crate rust_redlock 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b14faeb621f8698c9eefa7cb7f346cb41e48ffb4ce3f344dd6edbc0b12634a4
[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" "6b14faeb621f8698c9eefa7cb7f346cb41e48ffb4ce3f344dd6edbc0b12634a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b14faeb621f8698c9eefa7cb7f346cb41e48ffb4ce3f344dd6edbc0b12634a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b14faeb621f8698c9eefa7cb7f346cb41e48ffb4ce3f344dd6edbc0b12634a4", kill_on_drop: false }`
[INFO] [stdout] 6b14faeb621f8698c9eefa7cb7f346cb41e48ffb4ce3f344dd6edbc0b12634a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d13e7496f7297dae5135ea64299ea1571a224d0a99545da3c2688a64ac3c5d89
[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" "d13e7496f7297dae5135ea64299ea1571a224d0a99545da3c2688a64ac3c5d89", kill_on_drop: false }`
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking redis v0.5.4
[INFO] [stderr]     Checking rust_redlock v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/redlock.rs:113:33
[INFO] [stdout]     |
[INFO] [stdout] 113 |                -> RedlockResult<(Lock)> {
[INFO] [stdout]     |                                 ^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scripts.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / lazy_static! {
[INFO] [stdout] 4  | |   pub static ref LOCK: redis::Script = redis::Script::new("
[INFO] [stdout] 5  | |     return redis.call(\"set\", KEYS[1], ARGV[1], \"NX\", \"PX\", ARGV[2])
[INFO] [stdout] 6  | |   ");
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |   ");
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scripts.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / lazy_static! {
[INFO] [stdout] 4  | |   pub static ref LOCK: redis::Script = redis::Script::new("
[INFO] [stdout] 5  | |     return redis.call(\"set\", KEYS[1], ARGV[1], \"NX\", \"PX\", ARGV[2])
[INFO] [stdout] 6  | |   ");
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |   ");
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scripts.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / lazy_static! {
[INFO] [stdout] 4  | |   pub static ref LOCK: redis::Script = redis::Script::new("
[INFO] [stdout] 5  | |     return redis.call(\"set\", KEYS[1], ARGV[1], \"NX\", \"PX\", ARGV[2])
[INFO] [stdout] 6  | |   ");
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |   ");
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/redlock.rs:113:33
[INFO] [stdout]     |
[INFO] [stdout] 113 |                -> RedlockResult<(Lock)> {
[INFO] [stdout]     |                                 ^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scripts.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / lazy_static! {
[INFO] [stdout] 4  | |   pub static ref LOCK: redis::Script = redis::Script::new("
[INFO] [stdout] 5  | |     return redis.call(\"set\", KEYS[1], ARGV[1], \"NX\", \"PX\", ARGV[2])
[INFO] [stdout] 6  | |   ");
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |   ");
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scripts.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / lazy_static! {
[INFO] [stdout] 4  | |   pub static ref LOCK: redis::Script = redis::Script::new("
[INFO] [stdout] 5  | |     return redis.call(\"set\", KEYS[1], ARGV[1], \"NX\", \"PX\", ARGV[2])
[INFO] [stdout] 6  | |   ");
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |   ");
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scripts.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / lazy_static! {
[INFO] [stdout] 4  | |   pub static ref LOCK: redis::Script = redis::Script::new("
[INFO] [stdout] 5  | |     return redis.call(\"set\", KEYS[1], ARGV[1], \"NX\", \"PX\", ARGV[2])
[INFO] [stdout] 6  | |   ");
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |   ");
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/redlock.rs:287:5
[INFO] [stdout]     |
[INFO] [stdout] 287 | /     lazy_static! {
[INFO] [stdout] 288 | |         static ref REDLOCK: Redlock = Redlock::new::<&str>(Config {
[INFO] [stdout] 289 | |             addrs: vec!["redis://127.0.0.1"],
[INFO] [stdout] 290 | |             retry_count: 10,
[INFO] [stdout] ...   |
[INFO] [stdout] 296 | |         static ref REDIS_CLI: redis::Client = redis::Client::open("redis://127.0.0.1").unwrap();
[INFO] [stdout] 297 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/redlock.rs:287:5
[INFO] [stdout]     |
[INFO] [stdout] 287 | /     lazy_static! {
[INFO] [stdout] 288 | |         static ref REDLOCK: Redlock = Redlock::new::<&str>(Config {
[INFO] [stdout] 289 | |             addrs: vec!["redis://127.0.0.1"],
[INFO] [stdout] 290 | |             retry_count: 10,
[INFO] [stdout] ...   |
[INFO] [stdout] 296 | |         static ref REDIS_CLI: redis::Client = redis::Client::open("redis://127.0.0.1").unwrap();
[INFO] [stdout] 297 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/redlock.rs:165:25
[INFO] [stdout]     |
[INFO] [stdout] 165 |                         lock.unlock().is_ok(); // Just ingore the result
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/redlock.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   lock.unlock().is_ok(); // Just ingore the result
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/redlock.rs:165:25
[INFO] [stdout]     |
[INFO] [stdout] 165 |                         lock.unlock().is_ok(); // Just ingore the result
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/redlock.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   lock.unlock().is_ok(); // Just ingore the result
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.91s
[INFO] running `Command { std: "docker" "inspect" "d13e7496f7297dae5135ea64299ea1571a224d0a99545da3c2688a64ac3c5d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13e7496f7297dae5135ea64299ea1571a224d0a99545da3c2688a64ac3c5d89", kill_on_drop: false }`
[INFO] [stdout] d13e7496f7297dae5135ea64299ea1571a224d0a99545da3c2688a64ac3c5d89