[INFO] cloning repository https://github.com/JamesRocker-Simply/rust_levelup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamesRocker-Simply/rust_levelup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesRocker-Simply%2Frust_levelup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesRocker-Simply%2Frust_levelup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aad316b18f12b98273a6658aa75556c9da173403
[INFO] testing JamesRocker-Simply/rust_levelup against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesRocker-Simply%2Frust_levelup" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JamesRocker-Simply/rust_levelup on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JamesRocker-Simply/rust_levelup
[INFO] finished tweaking git repo https://github.com/JamesRocker-Simply/rust_levelup
[INFO] tweaked toml for git repo https://github.com/JamesRocker-Simply/rust_levelup written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JamesRocker-Simply/rust_levelup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16416b90895a80db81727b031ef8e7f77a4abf808a0cc312e0433ec032641a54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16416b90895a80db81727b031ef8e7f77a4abf808a0cc312e0433ec032641a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16416b90895a80db81727b031ef8e7f77a4abf808a0cc312e0433ec032641a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16416b90895a80db81727b031ef8e7f77a4abf808a0cc312e0433ec032641a54", kill_on_drop: false }`
[INFO] [stdout] 16416b90895a80db81727b031ef8e7f77a4abf808a0cc312e0433ec032641a54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee3985dbb83e45bc0bedaba90ffd87fc8733bbfa144d564de375a6d19f3ebb2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aee3985dbb83e45bc0bedaba90ffd87fc8733bbfa144d564de375a6d19f3ebb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust_levelup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "aee3985dbb83e45bc0bedaba90ffd87fc8733bbfa144d564de375a6d19f3ebb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee3985dbb83e45bc0bedaba90ffd87fc8733bbfa144d564de375a6d19f3ebb2", kill_on_drop: false }`
[INFO] [stdout] aee3985dbb83e45bc0bedaba90ffd87fc8733bbfa144d564de375a6d19f3ebb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c324f3add95c90b316e8c2b91bcaedf8e3cd84b69ccc48b2ffbd7397598c8168
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c324f3add95c90b316e8c2b91bcaedf8e3cd84b69ccc48b2ffbd7397598c8168", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_levelup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "c324f3add95c90b316e8c2b91bcaedf8e3cd84b69ccc48b2ffbd7397598c8168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c324f3add95c90b316e8c2b91bcaedf8e3cd84b69ccc48b2ffbd7397598c8168", kill_on_drop: false }`
[INFO] [stdout] c324f3add95c90b316e8c2b91bcaedf8e3cd84b69ccc48b2ffbd7397598c8168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6efb744ebda13795028a022570bfece2011dc433578e7f5deea8e3ca330b263e
[INFO] running `Command { std: "docker" "start" "-a" "6efb744ebda13795028a022570bfece2011dc433578e7f5deea8e3ca330b263e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_levelup-64b52ae8c14602da
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6efb744ebda13795028a022570bfece2011dc433578e7f5deea8e3ca330b263e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efb744ebda13795028a022570bfece2011dc433578e7f5deea8e3ca330b263e", kill_on_drop: false }`
[INFO] [stdout] 6efb744ebda13795028a022570bfece2011dc433578e7f5deea8e3ca330b263e