[INFO] fetching crate tantivy 0.12.0...
[INFO] checking tantivy-0.12.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate tantivy 0.12.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tantivy 0.12.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tantivy 0.12.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tantivy 0.12.0
[INFO] tweaked toml for crates.io crate tantivy 0.12.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tantivy 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v4.0.1
[INFO] [stderr]   Downloaded snap v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d97da4b3808ac0c80add0d9423456bf2d7d03771715e07914a9346cd090c20ec
[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" "d97da4b3808ac0c80add0d9423456bf2d7d03771715e07914a9346cd090c20ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d97da4b3808ac0c80add0d9423456bf2d7d03771715e07914a9346cd090c20ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97da4b3808ac0c80add0d9423456bf2d7d03771715e07914a9346cd090c20ec", kill_on_drop: false }`
[INFO] [stdout] d97da4b3808ac0c80add0d9423456bf2d7d03771715e07914a9346cd090c20ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] b0a1a517e523710503b1f5933410d07883501a20b527e75d5e58d7c4dfe428b8
[INFO] running `Command { std: "docker" "start" "-a" "b0a1a517e523710503b1f5933410d07883501a20b527e75d5e58d7c4dfe428b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
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[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.13
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[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling snap v1.0.0
[INFO] [stderr]     Checking either v1.5.3
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[INFO] [stderr]     Checking census v0.4.0
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]     Checking c2-chacha v0.2.3
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[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking rand_chacha v0.1.1
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[INFO] [stderr]     Checking combine v4.0.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking inotify-sys v0.1.3
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[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking inotify v0.6.1
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[INFO] [stderr]     Checking crossbeam-deque v0.7.2
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[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tantivy-fst v0.2.1
[INFO] [stderr]     Checking rayon-core v1.6.0
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[INFO] [stderr]     Checking chrono v0.4.9
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[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking fail v0.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]     Checking tantivy-query-grammar v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking owned-read v0.4.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking tantivy v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/query/fuzzy_query.rs:12:53
[INFO] [stdout]    |
[INFO] [stdout] 12 | const VALID_LEVENSHTEIN_DISTANCE_RANGE: Range<u8> = (0..3);
[INFO] [stdout]    |                                                     ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/query/fuzzy_query.rs:12:53
[INFO] [stdout]    |
[INFO] [stdout] 12 | const VALID_LEVENSHTEIN_DISTANCE_RANGE: Range<u8> = (0..3);
[INFO] [stdout]    |                                                     ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/indexer/index_writer.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |         mem::replace(&mut self.operation_sender, sender);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/indexer/index_writer.rs:537:9
[INFO] [stdout]     |
[INFO] [stdout] 537 |         mem::replace(&mut self.operation_sender, document_sender);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/indexer/index_writer.rs:573:9
[INFO] [stdout]     |
[INFO] [stdout] 573 |         mem::replace(self, new_index_writer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/indexer/index_writer.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |         mem::replace(&mut self.operation_sender, sender);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/indexer/index_writer.rs:537:9
[INFO] [stdout]     |
[INFO] [stdout] 537 |         mem::replace(&mut self.operation_sender, document_sender);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/indexer/index_writer.rs:573:9
[INFO] [stdout]     |
[INFO] [stdout] 573 |         mem::replace(self, new_index_writer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 57s
[INFO] running `Command { std: "docker" "inspect" "b0a1a517e523710503b1f5933410d07883501a20b527e75d5e58d7c4dfe428b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a1a517e523710503b1f5933410d07883501a20b527e75d5e58d7c4dfe428b8", kill_on_drop: false }`
[INFO] [stdout] b0a1a517e523710503b1f5933410d07883501a20b527e75d5e58d7c4dfe428b8