[INFO] fetching crate kip_db 0.1.2-alpha.26.fix1...
[INFO] testing kip_db-0.1.2-alpha.26.fix1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate kip_db 0.1.2-alpha.26.fix1 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate kip_db 0.1.2-alpha.26.fix1
[INFO] finished tweaking crates.io crate kip_db 0.1.2-alpha.26.fix1
[INFO] tweaked toml for crates.io crate kip_db 0.1.2-alpha.26.fix1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kip_db 0.1.2-alpha.26.fix1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kip_db 0.1.2-alpha.26.fix1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] 6956d779f7a325d5723c9a49844448994561e207d89359caed52859548e6116c
[INFO] running `Command { std: "docker" "start" "6956d779f7a325d5723c9a49844448994561e207d89359caed52859548e6116c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6956d779f7a325d5723c9a49844448994561e207d89359caed52859548e6116c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6956d779f7a325d5723c9a49844448994561e207d89359caed52859548e6116c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6956d779f7a325d5723c9a49844448994561e207d89359caed52859548e6116c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6956d779f7a325d5723c9a49844448994561e207d89359caed52859548e6116c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stdout] error[E0425]: cannot find function `try_exists` in module `fs`
[INFO] [stdout]   --> src/kernel/io/mod.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |         Ok(fs::try_exists(path)?)
[INFO] [stdout]    |                ^^^^^^^^^^ not found in `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_try_exists)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `trait_upcasting` has been stable since `1.86.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `trait_upcasting` has been stable since 1.86.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(trait_upcasting)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `fs_try_exists` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_try_exists)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `is_sorted` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(is_sorted)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `cursor_remaining`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(cursor_remaining)]
[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/kernel/lsm/table/ss_table/mod.rs:66:31
[INFO] [stdout]    |
[INFO] [stdout] 66 |             filter.insert(key.as_slice());
[INFO] [stdout]    |                               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `as_slice(...)` to keep using the current method
[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]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[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/kernel/lsm/mvcc.rs:170:55
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     seek_iter.seek(Seek::Backward(key.as_slice()))?;
[INFO] [stdout]     |                                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `as_slice(...)` to keep using the current method
[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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `is_empty` exists for mutable reference `&mut std::io::Cursor<Vec<u8>>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/kernel/lsm/table/ss_table/block.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |         while !cursor.is_empty() {
[INFO] [stdout]    |                       ^^^^^^^^ method cannot be called on `&mut std::io::Cursor<Vec<u8>>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `std::io::Cursor<Vec<u8>>: ExactSizeIterator`
[INFO] [stdout]            which is required by `&mut std::io::Cursor<Vec<u8>>: ExactSizeIterator`
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Storage` defines an item `is_empty`, perhaps you need to implement it
[INFO] [stdout]   --> src/kernel/mod.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait Storage: Send + Sync + 'static + Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kip_db` (lib) due to 4 previous errors; 5 warnings emitted
[INFO] [stderr] warning: unused dependency `clap`
[INFO] [stderr]   --> Cargo.toml:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 | [dependencies.clap]
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `clap`
[INFO] [stderr] warning: unused dependency `tokio-stream`
[INFO] [stderr]   --> Cargo.toml:87:15
[INFO] [stderr]    |
[INFO] [stderr] 87 | [dependencies.tokio-stream]
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `tokio-stream`
[INFO] [stderr] warning: unused dependency `tokio-util`
[INFO] [stderr]   --> Cargo.toml:90:15
[INFO] [stderr]    |
[INFO] [stderr] 90 | [dependencies.tokio-util]
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `tokio-util`
[INFO] [stderr] warning: unused dependency `tracing-subscriber`
[INFO] [stderr]    --> Cargo.toml:101:15
[INFO] [stderr]     |
[INFO] [stderr] 101 | [dependencies.tracing-subscriber]
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: consider removing the dependency on `tracing-subscriber`
[INFO] [stderr] warning: `kip_db` (manifest) generated 4 warnings
[INFO] running `Command { std: "docker" "inspect" "6956d779f7a325d5723c9a49844448994561e207d89359caed52859548e6116c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6956d779f7a325d5723c9a49844448994561e207d89359caed52859548e6116c", kill_on_drop: false }`
[INFO] [stdout] 6956d779f7a325d5723c9a49844448994561e207d89359caed52859548e6116c
