[INFO] fetching crate kip_db 0.1.2-alpha.26.fix1...
[INFO] testing kip_db-0.1.2-alpha.26.fix1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate kip_db 0.1.2-alpha.26.fix1 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kip_db 0.1.2-alpha.26.fix1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d8e628bcaa1ad4a635f809a6be5add44e21e43866bdea0548aa088c2a953ab2
[INFO] running `Command { std: "docker" "start" "-a" "6d8e628bcaa1ad4a635f809a6be5add44e21e43866bdea0548aa088c2a953ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d8e628bcaa1ad4a635f809a6be5add44e21e43866bdea0548aa088c2a953ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8e628bcaa1ad4a635f809a6be5add44e21e43866bdea0548aa088c2a953ab2", kill_on_drop: false }`
[INFO] [stdout] 6d8e628bcaa1ad4a635f809a6be5add44e21e43866bdea0548aa088c2a953ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13121da9436de5b0fa7a8ed44e567b8c022837267d55eb293968052886319283
[INFO] running `Command { std: "docker" "start" "-a" "13121da9436de5b0fa7a8ed44e567b8c022837267d55eb293968052886319283", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling futures-io v0.3.28
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[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling async-trait v0.1.72
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[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling kip_db v0.1.2-alpha.26.fix1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling skiplist v0.5.1
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling fslock v0.2.1
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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] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout]  4 + use tokio::fs::try_exists;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `try_exists`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 96 -         Ok(fs::try_exists(path)?)
[INFO] [stdout] 96 +         Ok(try_exists(path)?)
[INFO] [stdout]    |
[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] help: add `#![feature(str_as_str)]` to the crate attributes to enable `core::slice::<impl [T]>::as_slice`
[INFO] [stdout]   --> src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 + #![feature(str_as_str)]
[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/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] help: add `#![feature(str_as_str)]` to the crate attributes to enable `core::slice::<impl [T]>::as_slice`
[INFO] [stdout]    --> src/lib.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 + #![feature(str_as_str)]
[INFO] [stdout]     |
[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, 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 3 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "13121da9436de5b0fa7a8ed44e567b8c022837267d55eb293968052886319283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13121da9436de5b0fa7a8ed44e567b8c022837267d55eb293968052886319283", kill_on_drop: false }`
[INFO] [stdout] 13121da9436de5b0fa7a8ed44e567b8c022837267d55eb293968052886319283
