[INFO] fetching crate redb 0.0.0...
[INFO] testing redb-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate redb 0.0.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate redb 0.0.0 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 redb 0.0.0
[INFO] finished tweaking crates.io crate redb 0.0.0
[INFO] tweaked toml for crates.io crate redb 0.0.0 written to /workspace/builds/worker-39/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 61b2b31842dbac555aa16842537a80d9761309bc0ec271a15b056cb8b9913a8b
[INFO] running `Command { std: "docker" "start" "-a" "61b2b31842dbac555aa16842537a80d9761309bc0ec271a15b056cb8b9913a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61b2b31842dbac555aa16842537a80d9761309bc0ec271a15b056cb8b9913a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b2b31842dbac555aa16842537a80d9761309bc0ec271a15b056cb8b9913a8b", kill_on_drop: false }`
[INFO] [stdout] 61b2b31842dbac555aa16842537a80d9761309bc0ec271a15b056cb8b9913a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] e09c049ad90b37440f5b770d224d3c7baa31eb1f2565a7b063197fad2f8e4ded
[INFO] running `Command { std: "docker" "start" "-a" "e09c049ad90b37440f5b770d224d3c7baa31eb1f2565a7b063197fad2f8e4ded", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling redb v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "e09c049ad90b37440f5b770d224d3c7baa31eb1f2565a7b063197fad2f8e4ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09c049ad90b37440f5b770d224d3c7baa31eb1f2565a7b063197fad2f8e4ded", kill_on_drop: false }`
[INFO] [stdout] e09c049ad90b37440f5b770d224d3c7baa31eb1f2565a7b063197fad2f8e4ded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 15b75d4d68b110015a17d4dd7eb78e5977aa88019a53ad70be310900c3e77d0e
[INFO] running `Command { std: "docker" "start" "-a" "15b75d4d68b110015a17d4dd7eb78e5977aa88019a53ad70be310900c3e77d0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling redb v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "15b75d4d68b110015a17d4dd7eb78e5977aa88019a53ad70be310900c3e77d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b75d4d68b110015a17d4dd7eb78e5977aa88019a53ad70be310900c3e77d0e", kill_on_drop: false }`
[INFO] [stdout] 15b75d4d68b110015a17d4dd7eb78e5977aa88019a53ad70be310900c3e77d0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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", kill_on_drop: false }`
[INFO] [stdout] d78051d13a99384f2c4bb266c835ba1181022535707f7a16f8a0a4a03764b823
[INFO] running `Command { std: "docker" "start" "-a" "d78051d13a99384f2c4bb266c835ba1181022535707f7a16f8a0a4a03764b823", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/redb-3dcb6a5345ca2741)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d78051d13a99384f2c4bb266c835ba1181022535707f7a16f8a0a4a03764b823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78051d13a99384f2c4bb266c835ba1181022535707f7a16f8a0a4a03764b823", kill_on_drop: false }`
[INFO] [stdout] d78051d13a99384f2c4bb266c835ba1181022535707f7a16f8a0a4a03764b823