[INFO] cloning repository https://github.com/Nilstrieb/m8db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nilstrieb/m8db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Fm8db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Fm8db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43f5b3b87ca7351b63d2984bca0ab1f4681cd7b0
[INFO] testing Nilstrieb/m8db against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Fm8db" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nilstrieb/m8db on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nilstrieb/m8db
[INFO] finished tweaking git repo https://github.com/Nilstrieb/m8db
[INFO] tweaked toml for git repo https://github.com/Nilstrieb/m8db written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Nilstrieb/m8db already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b482b36b6ff3ebceedb7f149b66c77421dfffe199acbdf25e383055ab9d0240
[INFO] running `Command { std: "docker" "start" "-a" "8b482b36b6ff3ebceedb7f149b66c77421dfffe199acbdf25e383055ab9d0240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b482b36b6ff3ebceedb7f149b66c77421dfffe199acbdf25e383055ab9d0240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b482b36b6ff3ebceedb7f149b66c77421dfffe199acbdf25e383055ab9d0240", kill_on_drop: false }`
[INFO] [stdout] 8b482b36b6ff3ebceedb7f149b66c77421dfffe199acbdf25e383055ab9d0240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60384354cd953746bd0604472df0f6725e0b0383a91777c5cd5d1bd5ce780460
[INFO] running `Command { std: "docker" "start" "-a" "60384354cd953746bd0604472df0f6725e0b0383a91777c5cd5d1bd5ce780460", kill_on_drop: false }`
[INFO] [stderr]    Compiling m8db v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "60384354cd953746bd0604472df0f6725e0b0383a91777c5cd5d1bd5ce780460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60384354cd953746bd0604472df0f6725e0b0383a91777c5cd5d1bd5ce780460", kill_on_drop: false }`
[INFO] [stdout] 60384354cd953746bd0604472df0f6725e0b0383a91777c5cd5d1bd5ce780460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 290e1228a80875fbcc24517adb62a8a643419efda52db894f6a4c64257cd963d
[INFO] running `Command { std: "docker" "start" "-a" "290e1228a80875fbcc24517adb62a8a643419efda52db894f6a4c64257cd963d", kill_on_drop: false }`
[INFO] [stderr]    Compiling m8db v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "290e1228a80875fbcc24517adb62a8a643419efda52db894f6a4c64257cd963d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290e1228a80875fbcc24517adb62a8a643419efda52db894f6a4c64257cd963d", kill_on_drop: false }`
[INFO] [stdout] 290e1228a80875fbcc24517adb62a8a643419efda52db894f6a4c64257cd963d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4dfbc601be67851a4f0f7bddfbacf7f646740bc7ae81adb1b0fc89b4a642dbf
[INFO] running `Command { std: "docker" "start" "-a" "f4dfbc601be67851a4f0f7bddfbacf7f646740bc7ae81adb1b0fc89b4a642dbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/m8db-fef8131c44004a5a)
[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" "f4dfbc601be67851a4f0f7bddfbacf7f646740bc7ae81adb1b0fc89b4a642dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4dfbc601be67851a4f0f7bddfbacf7f646740bc7ae81adb1b0fc89b4a642dbf", kill_on_drop: false }`
[INFO] [stdout] f4dfbc601be67851a4f0f7bddfbacf7f646740bc7ae81adb1b0fc89b4a642dbf