[INFO] cloning repository https://github.com/murphym18/rust-reverse-string
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murphym18/rust-reverse-string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurphym18%2Frust-reverse-string", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurphym18%2Frust-reverse-string'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b0717d7f8acbf828748558023cf782ffd58dadb
[INFO] testing murphym18/rust-reverse-string against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurphym18%2Frust-reverse-string" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/murphym18/rust-reverse-string on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/murphym18/rust-reverse-string
[INFO] finished tweaking git repo https://github.com/murphym18/rust-reverse-string
[INFO] tweaked toml for git repo https://github.com/murphym18/rust-reverse-string written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/murphym18/rust-reverse-string already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e8c9b1aec1595605c784355353d2f4ab38aec9d74b40d8539498ec505a7eeb7
[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" "7e8c9b1aec1595605c784355353d2f4ab38aec9d74b40d8539498ec505a7eeb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8c9b1aec1595605c784355353d2f4ab38aec9d74b40d8539498ec505a7eeb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8c9b1aec1595605c784355353d2f4ab38aec9d74b40d8539498ec505a7eeb7", kill_on_drop: false }`
[INFO] [stdout] 7e8c9b1aec1595605c784355353d2f4ab38aec9d74b40d8539498ec505a7eeb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.45.2" "build" "--frozen" "--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] e176f6e0b7d9aba069a5837bfb90c5c8846610068b3e53b418c89e935be94545
[INFO] running `Command { std: "docker" "start" "-a" "e176f6e0b7d9aba069a5837bfb90c5c8846610068b3e53b418c89e935be94545", kill_on_drop: false }`
[INFO] [stderr]    Compiling reverse_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "e176f6e0b7d9aba069a5837bfb90c5c8846610068b3e53b418c89e935be94545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e176f6e0b7d9aba069a5837bfb90c5c8846610068b3e53b418c89e935be94545", kill_on_drop: false }`
[INFO] [stdout] e176f6e0b7d9aba069a5837bfb90c5c8846610068b3e53b418c89e935be94545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28dc98c09716fd1b3c5fa8c0a085c2df319723ad274e0159a5d30a87238716ec
[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" "28dc98c09716fd1b3c5fa8c0a085c2df319723ad274e0159a5d30a87238716ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling reverse_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "28dc98c09716fd1b3c5fa8c0a085c2df319723ad274e0159a5d30a87238716ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28dc98c09716fd1b3c5fa8c0a085c2df319723ad274e0159a5d30a87238716ec", kill_on_drop: false }`
[INFO] [stdout] 28dc98c09716fd1b3c5fa8c0a085c2df319723ad274e0159a5d30a87238716ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.45.2" "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] 3a573242b150359cb9793b4d6388952d6150d88f0a4cba3ab22a9c6fa5d66046
[INFO] running `Command { std: "docker" "start" "-a" "3a573242b150359cb9793b4d6388952d6150d88f0a4cba3ab22a9c6fa5d66046", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reverse_string-8506563c33e13c33
[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" "3a573242b150359cb9793b4d6388952d6150d88f0a4cba3ab22a9c6fa5d66046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a573242b150359cb9793b4d6388952d6150d88f0a4cba3ab22a9c6fa5d66046", kill_on_drop: false }`
[INFO] [stdout] 3a573242b150359cb9793b4d6388952d6150d88f0a4cba3ab22a9c6fa5d66046