[INFO] fetching crate polodb_core 0.10.0...
[INFO] checking polodb_core-0.10.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate polodb_core 0.10.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate polodb_core 0.10.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polodb_core 0.10.0
[INFO] finished tweaking crates.io crate polodb_core 0.10.0
[INFO] tweaked toml for crates.io crate polodb_core 0.10.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5149a5c127202950638b5356413739a28718d4eb2997ab1c7001150cb4e20a09
[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" "5149a5c127202950638b5356413739a28718d4eb2997ab1c7001150cb4e20a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5149a5c127202950638b5356413739a28718d4eb2997ab1c7001150cb4e20a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5149a5c127202950638b5356413739a28718d4eb2997ab1c7001150cb4e20a09", kill_on_drop: false }`
[INFO] [stdout] 5149a5c127202950638b5356413739a28718d4eb2997ab1c7001150cb4e20a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be2fd681791fa41c23d45fd50ee13254ee48b3e0de9c80f2d12521bfce6c1bab
[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" "be2fd681791fa41c23d45fd50ee13254ee48b3e0de9c80f2d12521bfce6c1bab", kill_on_drop: false }`
[INFO] [stderr]     Checking crc64fast v1.0.0
[INFO] [stderr]     Checking libc v0.2.93
[INFO] [stderr]     Checking polodb_bson v0.10.0
[INFO] [stderr]     Checking polodb_core v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `polodb_line_diff`
[INFO] [stdout]    --> vm/subprogram.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |     use polodb_line_diff::assert_eq;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ use of undeclared crate or module `polodb_line_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq`
[INFO] [stdout]    --> vm/subprogram.rs:334:9
[INFO] [stdout]     |
[INFO] [stdout] 334 |         assert_eq!(expect, actual);
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq`
[INFO] [stdout]    --> vm/subprogram.rs:392:9
[INFO] [stdout]     |
[INFO] [stdout] 392 |         assert_eq!(expect, actual)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq`
[INFO] [stdout]    --> vm/subprogram.rs:429:9
[INFO] [stdout]     |
[INFO] [stdout] 429 |         assert_eq!(expect, actual)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq`
[INFO] [stdout]    --> vm/subprogram.rs:493:9
[INFO] [stdout]     |
[INFO] [stdout] 493 |         assert_eq!(expect, actual)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq`
[INFO] [stdout]    --> vm/subprogram.rs:567:9
[INFO] [stdout]     |
[INFO] [stdout] 567 |         assert_eq!(expect, actual);
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq`
[INFO] [stdout]    --> vm/subprogram.rs:628:9
[INFO] [stdout]     |
[INFO] [stdout] 628 |         assert_eq!(expect, actual);
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq`
[INFO] [stdout]    --> vm/subprogram.rs:734:9
[INFO] [stdout]     |
[INFO] [stdout] 734 |         assert_eq!(expect, actual);
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current`
[INFO] [stdout]   --> cursor.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     current:            Option<Rc<Document>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "be2fd681791fa41c23d45fd50ee13254ee48b3e0de9c80f2d12521bfce6c1bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2fd681791fa41c23d45fd50ee13254ee48b3e0de9c80f2d12521bfce6c1bab", kill_on_drop: false }`
[INFO] [stdout] be2fd681791fa41c23d45fd50ee13254ee48b3e0de9c80f2d12521bfce6c1bab