[INFO] cloning repository https://github.com/kakaka19/parallel-and-concurrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kakaka19/parallel-and-concurrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakaka19%2Fparallel-and-concurrent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakaka19%2Fparallel-and-concurrent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d76d1bae881ad05ee06bf67a9c9adfb46797355d
[INFO] testing kakaka19/parallel-and-concurrent against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakaka19%2Fparallel-and-concurrent" "/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/kakaka19/parallel-and-concurrent on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kakaka19/parallel-and-concurrent
[INFO] finished tweaking git repo https://github.com/kakaka19/parallel-and-concurrent
[INFO] tweaked toml for git repo https://github.com/kakaka19/parallel-and-concurrent written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kakaka19/parallel-and-concurrent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 953d4cdddaf6c03ddb1323c5ead92d6c206a93080d4856c04c82aaa152d7818b
[INFO] running `Command { std: "docker" "start" "-a" "953d4cdddaf6c03ddb1323c5ead92d6c206a93080d4856c04c82aaa152d7818b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "953d4cdddaf6c03ddb1323c5ead92d6c206a93080d4856c04c82aaa152d7818b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953d4cdddaf6c03ddb1323c5ead92d6c206a93080d4856c04c82aaa152d7818b", kill_on_drop: false }`
[INFO] [stdout] 953d4cdddaf6c03ddb1323c5ead92d6c206a93080d4856c04c82aaa152d7818b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 402f2191737ac55886d65c76c6645b5a4d58fcf3d9f1c156586801ba949b7163
[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" "402f2191737ac55886d65c76c6645b5a4d58fcf3d9f1c156586801ba949b7163", kill_on_drop: false }`
[INFO] [stderr]    Compiling parallel-and-concurrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "402f2191737ac55886d65c76c6645b5a4d58fcf3d9f1c156586801ba949b7163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402f2191737ac55886d65c76c6645b5a4d58fcf3d9f1c156586801ba949b7163", kill_on_drop: false }`
[INFO] [stdout] 402f2191737ac55886d65c76c6645b5a4d58fcf3d9f1c156586801ba949b7163
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] 820162e6771c2fd8cf2a809111c74fb217033bf65df6b71ef2424ec0e6c21168
[INFO] running `Command { std: "docker" "start" "-a" "820162e6771c2fd8cf2a809111c74fb217033bf65df6b71ef2424ec0e6c21168", kill_on_drop: false }`
[INFO] [stderr]    Compiling parallel-and-concurrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "820162e6771c2fd8cf2a809111c74fb217033bf65df6b71ef2424ec0e6c21168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820162e6771c2fd8cf2a809111c74fb217033bf65df6b71ef2424ec0e6c21168", kill_on_drop: false }`
[INFO] [stdout] 820162e6771c2fd8cf2a809111c74fb217033bf65df6b71ef2424ec0e6c21168
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9e6e3efd8eade8ba3550fdf9a010e5887e564dd7efe6908be4231f5217d32d0
[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" "b9e6e3efd8eade8ba3550fdf9a010e5887e564dd7efe6908be4231f5217d32d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parallel_and_concurrent-b6f96e960d1e61b0
[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" "b9e6e3efd8eade8ba3550fdf9a010e5887e564dd7efe6908be4231f5217d32d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e6e3efd8eade8ba3550fdf9a010e5887e564dd7efe6908be4231f5217d32d0", kill_on_drop: false }`
[INFO] [stdout] b9e6e3efd8eade8ba3550fdf9a010e5887e564dd7efe6908be4231f5217d32d0