[INFO] fetching crate polodb_core 4.4.0...
[INFO] checking polodb_core-4.4.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate polodb_core 4.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate polodb_core 4.4.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polodb_core 4.4.0
[INFO] finished tweaking crates.io crate polodb_core 4.4.0
[INFO] tweaked toml for crates.io crate polodb_core 4.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 83 packages
[INFO] [stderr]       Adding atomic v0.5.3 (latest: v0.6.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded atomic v0.5.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 912566b92d98c1eb75c59268d418fef691000b3b5237defae543ada23234acb8
[INFO] running `Command { std: "docker" "start" "-a" "912566b92d98c1eb75c59268d418fef691000b3b5237defae543ada23234acb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "912566b92d98c1eb75c59268d418fef691000b3b5237defae543ada23234acb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912566b92d98c1eb75c59268d418fef691000b3b5237defae543ada23234acb8", kill_on_drop: false }`
[INFO] [stdout] 912566b92d98c1eb75c59268d418fef691000b3b5237defae543ada23234acb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1c4d9350e4a69a257710d90bb449412b730a4e3efabf6adbf73823c344568d1
[INFO] running `Command { std: "docker" "start" "-a" "d1c4d9350e4a69a257710d90bb449412b730a4e3efabf6adbf73823c344568d1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling radium v0.7.0
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[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling indexmap v2.2.6
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[INFO] [stderr]     Checking polodb_core v4.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `polodb_line_diff`
[INFO] [stdout]    --> vm/subprogram.rs:636:9
[INFO] [stdout]     |
[INFO] [stdout] 636 |     use polodb_line_diff::assert_eq;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ use of undeclared crate or module `polodb_line_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexeddbLog`
[INFO] [stdout]   --> lsm/lsm_backend/mod.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub use indexeddb_backend::{IndexeddbBackend, IndexeddbLog};
[INFO] [stdout]    |                                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexeddbLog`
[INFO] [stdout]   --> lsm/lsm_backend/mod.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub use indexeddb_backend::{IndexeddbBackend, IndexeddbLog};
[INFO] [stdout]    |                                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MetaSource` is never constructed
[INFO] [stdout]   --> db/db_inner.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct MetaSource {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaSource` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polodb_core` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> tests/test_index.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let result = col.find_one(doc! {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1c4d9350e4a69a257710d90bb449412b730a4e3efabf6adbf73823c344568d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c4d9350e4a69a257710d90bb449412b730a4e3efabf6adbf73823c344568d1", kill_on_drop: false }`
[INFO] [stdout] d1c4d9350e4a69a257710d90bb449412b730a4e3efabf6adbf73823c344568d1