[INFO] fetching crate reddb 0.2.3...
[INFO] testing reddb-0.2.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate reddb 0.2.3 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate reddb 0.2.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reddb 0.2.3
[INFO] finished tweaking crates.io crate reddb 0.2.3
[INFO] tweaked toml for crates.io crate reddb 0.2.3 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fomat-macros v0.3.1
[INFO] [stderr]   Downloaded is_executable v0.1.2
[INFO] [stderr]   Downloaded rustc-cfg v0.4.0
[INFO] [stderr]   Downloaded cargo-binutils v0.3.3
[INFO] [stderr]   Downloaded grcov v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d59540cca49e80436a0348eb4f3cba09d2f9c20941953f4cc3f82f590e208b
[INFO] running `Command { std: "docker" "start" "-a" "c3d59540cca49e80436a0348eb4f3cba09d2f9c20941953f4cc3f82f590e208b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d59540cca49e80436a0348eb4f3cba09d2f9c20941953f4cc3f82f590e208b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d59540cca49e80436a0348eb4f3cba09d2f9c20941953f4cc3f82f590e208b", kill_on_drop: false }`
[INFO] [stdout] c3d59540cca49e80436a0348eb4f3cba09d2f9c20941953f4cc3f82f590e208b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f530b565a0c841fa1556269a4e06e10a8ad5366c7ec9a6916218aba7cacd9649
[INFO] running `Command { std: "docker" "start" "-a" "f530b565a0c841fa1556269a4e06e10a8ad5366c7ec9a6916218aba7cacd9649", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
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[INFO] [stderr]    Compiling reddb v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.26s
[INFO] running `Command { std: "docker" "inspect" "f530b565a0c841fa1556269a4e06e10a8ad5366c7ec9a6916218aba7cacd9649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f530b565a0c841fa1556269a4e06e10a8ad5366c7ec9a6916218aba7cacd9649", kill_on_drop: false }`
[INFO] [stdout] f530b565a0c841fa1556269a4e06e10a8ad5366c7ec9a6916218aba7cacd9649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be037616b3cb672b687f92a39a86b6befb58f6d6b45c8c169a19698ec5fdd88b
[INFO] running `Command { std: "docker" "start" "-a" "be037616b3cb672b687f92a39a86b6befb58f6d6b45c8c169a19698ec5fdd88b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cargo_metadata v0.11.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling simplelog v0.7.6
[INFO] [stderr]    Compiling cargo-binutils v0.3.3
[INFO] [stderr]    Compiling grcov v0.6.1
[INFO] [stderr]    Compiling reddb v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::RonDb`
[INFO] [stdout]    --> src/lib.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |     use crate::RonDb;
[INFO] [stdout]     |         ^^^^^^^^^^^^ no `RonDb` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reddb` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "be037616b3cb672b687f92a39a86b6befb58f6d6b45c8c169a19698ec5fdd88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be037616b3cb672b687f92a39a86b6befb58f6d6b45c8c169a19698ec5fdd88b", kill_on_drop: false }`
[INFO] [stdout] be037616b3cb672b687f92a39a86b6befb58f6d6b45c8c169a19698ec5fdd88b