[INFO] cloning repository https://github.com/adamtysonsmith/rust_variables
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamtysonsmith/rust_variables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamtysonsmith%2Frust_variables", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamtysonsmith%2Frust_variables'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 472f7c4452a7dad212525681cdba7eded848495a
[INFO] testing adamtysonsmith/rust_variables against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamtysonsmith%2Frust_variables" "/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/adamtysonsmith/rust_variables 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/adamtysonsmith/rust_variables
[INFO] finished tweaking git repo https://github.com/adamtysonsmith/rust_variables
[INFO] tweaked toml for git repo https://github.com/adamtysonsmith/rust_variables written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/adamtysonsmith/rust_variables 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-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" "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] d886a60a24ad173cba6e6178a4d5fe567c8a2812a63b7dea995445b9f710c7be
[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" "d886a60a24ad173cba6e6178a4d5fe567c8a2812a63b7dea995445b9f710c7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d886a60a24ad173cba6e6178a4d5fe567c8a2812a63b7dea995445b9f710c7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d886a60a24ad173cba6e6178a4d5fe567c8a2812a63b7dea995445b9f710c7be", kill_on_drop: false }`
[INFO] [stdout] d886a60a24ad173cba6e6178a4d5fe567c8a2812a63b7dea995445b9f710c7be
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f179db14124bf8f6dde12c7121158af603bba1796227844744aaa9b0f1bbccd4
[INFO] running `Command { std: "docker" "start" "-a" "f179db14124bf8f6dde12c7121158af603bba1796227844744aaa9b0f1bbccd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "f179db14124bf8f6dde12c7121158af603bba1796227844744aaa9b0f1bbccd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f179db14124bf8f6dde12c7121158af603bba1796227844744aaa9b0f1bbccd4", kill_on_drop: false }`
[INFO] [stdout] f179db14124bf8f6dde12c7121158af603bba1796227844744aaa9b0f1bbccd4
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e902318d911b63a238da2e94da15fb9237634c8b9279d760ccb697dcf66eacd9
[INFO] running `Command { std: "docker" "start" "-a" "e902318d911b63a238da2e94da15fb9237634c8b9279d760ccb697dcf66eacd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "e902318d911b63a238da2e94da15fb9237634c8b9279d760ccb697dcf66eacd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e902318d911b63a238da2e94da15fb9237634c8b9279d760ccb697dcf66eacd9", kill_on_drop: false }`
[INFO] [stdout] e902318d911b63a238da2e94da15fb9237634c8b9279d760ccb697dcf66eacd9
[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" "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] [stdout] e5ea6c6a2a2e997c50698825eb82500cd3a011cfc6c701c37b8279c8f1490833
[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" "e5ea6c6a2a2e997c50698825eb82500cd3a011cfc6c701c37b8279c8f1490833", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_rust-f7698806439459dd
[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" "e5ea6c6a2a2e997c50698825eb82500cd3a011cfc6c701c37b8279c8f1490833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ea6c6a2a2e997c50698825eb82500cd3a011cfc6c701c37b8279c8f1490833", kill_on_drop: false }`
[INFO] [stdout] e5ea6c6a2a2e997c50698825eb82500cd3a011cfc6c701c37b8279c8f1490833