[INFO] fetching crate mu_db 0.0.1...
[INFO] building mu_db-0.0.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate mu_db 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mu_db 0.0.1
[INFO] finished tweaking crates.io crate mu_db 0.0.1
[INFO] tweaked toml for crates.io crate mu_db 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mu_db 0.0.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mu_db 0.0.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01fcf8daad57e1f4015c54be7f0718dbf48bb317bed82d22ba1c2e11a9c83bb2
[INFO] running `Command { std: "docker" "start" "-a" "01fcf8daad57e1f4015c54be7f0718dbf48bb317bed82d22ba1c2e11a9c83bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01fcf8daad57e1f4015c54be7f0718dbf48bb317bed82d22ba1c2e11a9c83bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01fcf8daad57e1f4015c54be7f0718dbf48bb317bed82d22ba1c2e11a9c83bb2", kill_on_drop: false }`
[INFO] [stdout] 01fcf8daad57e1f4015c54be7f0718dbf48bb317bed82d22ba1c2e11a9c83bb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5fd3b12a52e6c1b0a771405e70181345e6a777877614340dab067da8efceb2
[INFO] running `Command { std: "docker" "start" "-a" "4c5fd3b12a52e6c1b0a771405e70181345e6a777877614340dab067da8efceb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mu_db v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "4c5fd3b12a52e6c1b0a771405e70181345e6a777877614340dab067da8efceb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5fd3b12a52e6c1b0a771405e70181345e6a777877614340dab067da8efceb2", kill_on_drop: false }`
[INFO] [stdout] 4c5fd3b12a52e6c1b0a771405e70181345e6a777877614340dab067da8efceb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfbb3671f97e3464fb1eb258cdf2f6805a63561dff8d7fd6408216e742b30b83
[INFO] running `Command { std: "docker" "start" "-a" "cfbb3671f97e3464fb1eb258cdf2f6805a63561dff8d7fd6408216e742b30b83", kill_on_drop: false }`
[INFO] [stderr]    Compiling mu_db v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "cfbb3671f97e3464fb1eb258cdf2f6805a63561dff8d7fd6408216e742b30b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbb3671f97e3464fb1eb258cdf2f6805a63561dff8d7fd6408216e742b30b83", kill_on_drop: false }`
[INFO] [stdout] cfbb3671f97e3464fb1eb258cdf2f6805a63561dff8d7fd6408216e742b30b83