[INFO] fetching crate polodb_core 0.8.0...
[INFO] testing polodb_core-0.8.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate polodb_core 0.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate polodb_core 0.8.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polodb_core 0.8.0
[INFO] finished tweaking crates.io crate polodb_core 0.8.0
[INFO] tweaked toml for crates.io crate polodb_core 0.8.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7df519e336b2c1c2c349488b7524a539a1477679a55bba51da4e6973988a5e2b
[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" "7df519e336b2c1c2c349488b7524a539a1477679a55bba51da4e6973988a5e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7df519e336b2c1c2c349488b7524a539a1477679a55bba51da4e6973988a5e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df519e336b2c1c2c349488b7524a539a1477679a55bba51da4e6973988a5e2b", kill_on_drop: false }`
[INFO] [stdout] 7df519e336b2c1c2c349488b7524a539a1477679a55bba51da4e6973988a5e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87d7c558b7d244906f11763b95ba690b9b95427d35eaeb40af92374085c0e4f4
[INFO] running `Command { std: "docker" "start" "-a" "87d7c558b7d244906f11763b95ba690b9b95427d35eaeb40af92374085c0e4f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc64fast v1.0.0
[INFO] [stderr]    Compiling polodb_bson v0.6.0
[INFO] [stderr]    Compiling polodb_core v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "87d7c558b7d244906f11763b95ba690b9b95427d35eaeb40af92374085c0e4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d7c558b7d244906f11763b95ba690b9b95427d35eaeb40af92374085c0e4f4", kill_on_drop: false }`
[INFO] [stdout] 87d7c558b7d244906f11763b95ba690b9b95427d35eaeb40af92374085c0e4f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468329f0d67a787982ca271e1497a7b1ca1fba902c372eaae50a90d9b14015fd
[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" "468329f0d67a787982ca271e1497a7b1ca1fba902c372eaae50a90d9b14015fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling polodb_core v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `polodb_line_diff`
[INFO] [stdout]    --> vm/subprogram.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |     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:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         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:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         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:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         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:488:9
[INFO] [stdout]     |
[INFO] [stdout] 488 |         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:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 |         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:623:9
[INFO] [stdout]     |
[INFO] [stdout] 623 |         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:729:9
[INFO] [stdout]     |
[INFO] [stdout] 729 |         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: 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" "468329f0d67a787982ca271e1497a7b1ca1fba902c372eaae50a90d9b14015fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468329f0d67a787982ca271e1497a7b1ca1fba902c372eaae50a90d9b14015fd", kill_on_drop: false }`
[INFO] [stdout] 468329f0d67a787982ca271e1497a7b1ca1fba902c372eaae50a90d9b14015fd