[INFO] fetching crate mem-db 0.0.3...
[INFO] testing mem-db-0.0.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mem-db 0.0.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mem-db 0.0.3
[INFO] finished tweaking crates.io crate mem-db 0.0.3
[INFO] tweaked toml for crates.io crate mem-db 0.0.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mem-db 0.0.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mem-db 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b1b706bc8814d823bedae37b66138b86c71696c790df6b6f21f1317db5ea1c0
[INFO] running `Command { std: "docker" "start" "-a" "5b1b706bc8814d823bedae37b66138b86c71696c790df6b6f21f1317db5ea1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b1b706bc8814d823bedae37b66138b86c71696c790df6b6f21f1317db5ea1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1b706bc8814d823bedae37b66138b86c71696c790df6b6f21f1317db5ea1c0", kill_on_drop: false }`
[INFO] [stdout] 5b1b706bc8814d823bedae37b66138b86c71696c790df6b6f21f1317db5ea1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd20882d7cdec49f6c8f8c29d0c213eb095872bd272fb97966f52b1e53339c03
[INFO] running `Command { std: "docker" "start" "-a" "fd20882d7cdec49f6c8f8c29d0c213eb095872bd272fb97966f52b1e53339c03", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem-db v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "fd20882d7cdec49f6c8f8c29d0c213eb095872bd272fb97966f52b1e53339c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd20882d7cdec49f6c8f8c29d0c213eb095872bd272fb97966f52b1e53339c03", kill_on_drop: false }`
[INFO] [stdout] fd20882d7cdec49f6c8f8c29d0c213eb095872bd272fb97966f52b1e53339c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3303b77c4c90d72fa3ef95940fade974151adff796a5cfb0a0d908a649bf63f
[INFO] running `Command { std: "docker" "start" "-a" "d3303b77c4c90d72fa3ef95940fade974151adff796a5cfb0a0d908a649bf63f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem-db v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "d3303b77c4c90d72fa3ef95940fade974151adff796a5cfb0a0d908a649bf63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3303b77c4c90d72fa3ef95940fade974151adff796a5cfb0a0d908a649bf63f", kill_on_drop: false }`
[INFO] [stdout] d3303b77c4c90d72fa3ef95940fade974151adff796a5cfb0a0d908a649bf63f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 581fc0390533cc07fb662aab7cea5c0bbe03bdc1c3c2476052477e93fccf022a
[INFO] running `Command { std: "docker" "start" "-a" "581fc0390533cc07fb662aab7cea5c0bbe03bdc1c3c2476052477e93fccf022a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mem_db-7f860a69aab422b7)
[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" "581fc0390533cc07fb662aab7cea5c0bbe03bdc1c3c2476052477e93fccf022a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581fc0390533cc07fb662aab7cea5c0bbe03bdc1c3c2476052477e93fccf022a", kill_on_drop: false }`
[INFO] [stdout] 581fc0390533cc07fb662aab7cea5c0bbe03bdc1c3c2476052477e93fccf022a