[INFO] fetching crate readb 0.4.1...
[INFO] checking readb-0.4.1 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate readb 0.4.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate readb 0.4.1 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readb 0.4.1
[INFO] finished tweaking crates.io crate readb 0.4.1
[INFO] tweaked toml for crates.io crate readb 0.4.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 240 packages to latest compatible versions
[INFO] [stderr]       Adding brotli v3.5.0 (available: v7.0.0)
[INFO] [stderr]       Adding redb v1.5.1 (available: v2.2.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88e1a6b38be254b97b3b592ac9476d5b43b7ad0220e345b11b04aa096b6f8a7d
[INFO] running `Command { std: "docker" "start" "-a" "88e1a6b38be254b97b3b592ac9476d5b43b7ad0220e345b11b04aa096b6f8a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88e1a6b38be254b97b3b592ac9476d5b43b7ad0220e345b11b04aa096b6f8a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e1a6b38be254b97b3b592ac9476d5b43b7ad0220e345b11b04aa096b6f8a7d", kill_on_drop: false }`
[INFO] [stdout] 88e1a6b38be254b97b3b592ac9476d5b43b7ad0220e345b11b04aa096b6f8a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c240eb6e45f0afeed537654417c79fc9098d84d59c1d0fe51ed55e23df06a1
[INFO] running `Command { std: "docker" "start" "-a" "56c240eb6e45f0afeed537654417c79fc9098d84d59c1d0fe51ed55e23df06a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
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[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking regex-syntax v0.8.5
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[INFO] [stderr]     Checking ciborium-io v0.2.2
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking readb v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/btree.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/btree.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/mod.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/index_table/btree.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         default_persist!(self, self.file_path.clone(), self.table);
[INFO] [stdout]    |         ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in the macro `default_persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/hash_map.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/hash_map.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/mod.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/index_table/hash_map.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         default_persist!(self, self.file_path.clone(), self.table);
[INFO] [stdout]    |         ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in the macro `default_persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/factory.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/factory.rs:90:22
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 file.unlock()?;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/index_table/factory.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |         file.unlock()?;
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]    --> src/lib.rs:33:1
[INFO] [stdout]     |
[INFO] [stdout] 33  + #![feature(file_lock)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DatabaseTransactionsIO` is never used
[INFO] [stdout]    --> src/databases/db_trait.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub(crate) trait DatabaseTransactionsIO: Database {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.14.31
[INFO] [stderr]     Checking warp v0.3.7
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/btree.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `std::fs::File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/btree.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `std::fs::File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `put` found for struct `readb::databases::lazy_loader_db::LLDatabase` in the current scope
[INFO] [stdout]   --> benches/write_benchmark.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |         readb_instance.put(key.as_str(), value.as_bytes()).unwrap();
[INFO] [stdout]    |                        ^^^ method not found in `LLDatabase<LfuCache>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/mod.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/index_table/btree.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         default_persist!(self, self.file_path.clone(), self.table);
[INFO] [stdout]    |         ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in the macro `default_persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `std::fs::File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/hash_map.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `std::fs::File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/hash_map.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `std::fs::File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/mod.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/index_table/hash_map.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         default_persist!(self, self.file_path.clone(), self.table);
[INFO] [stdout]    |         ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in the macro `default_persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `std::fs::File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/factory.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |         file.unlock()?;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `std::fs::File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/index_table/factory.rs:90:22
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 file.unlock()?;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `std::fs::File::unlock`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 + #![feature(file_lock)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/index_table/factory.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |         file.unlock()?;
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `std::fs::File::unlock`
[INFO] [stdout]    --> src/lib.rs:33:1
[INFO] [stdout]     |
[INFO] [stdout] 33  + #![feature(file_lock)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `put` found for struct `readb::databases::lazy_loader_db::LLDatabase` in the current scope
[INFO] [stdout]    --> benches/write_benchmark.rs:111:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |   ...                   let _ = readb_instance
[INFO] [stdout]     |  _______________________________-
[INFO] [stdout] 111 | | ...                       .put(black_box(key), black_box(value.as_bytes()))
[INFO] [stdout]     | |                           -^^^ method not found in `LLDatabase<LfuCache>`
[INFO] [stdout]     | |___________________________|
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `tx` found for struct `readb::databases::lazy_loader_db::LLDatabase` in the current scope
[INFO] [stdout]    --> benches/write_benchmark.rs:121:48
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let mut tx = readb_tx_instance.tx().unwrap();
[INFO] [stdout]     |                                                ^^ method not found in `LLDatabase<LfuCache>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `tx` found for struct `readb::databases::lazy_loader_db::LLDatabase` in the current scope
[INFO] [stdout]    --> benches/write_benchmark.rs:127:52
[INFO] [stdout]     |
[INFO] [stdout] 127 | ...                   tx = readb_tx_instance.tx().unwrap();
[INFO] [stdout]     |                                              ^^ method not found in `LLDatabase<LfuCache>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DatabaseTransactionsIO` is never used
[INFO] [stdout]    --> src/databases/db_trait.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub(crate) trait DatabaseTransactionsIO: Database {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `readb` (bench "write_benchmark") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "56c240eb6e45f0afeed537654417c79fc9098d84d59c1d0fe51ed55e23df06a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c240eb6e45f0afeed537654417c79fc9098d84d59c1d0fe51ed55e23df06a1", kill_on_drop: false }`
[INFO] [stdout] 56c240eb6e45f0afeed537654417c79fc9098d84d59c1d0fe51ed55e23df06a1
