[INFO] cloning repository https://github.com/ljhwang/rust-helloworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ljhwang/rust-helloworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljhwang%2Frust-helloworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljhwang%2Frust-helloworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fd59791742a32c51596d06da00ac23279bd7cb7
[INFO] testing ljhwang/rust-helloworld against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljhwang%2Frust-helloworld" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ljhwang/rust-helloworld 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/ljhwang/rust-helloworld
[INFO] finished tweaking git repo https://github.com/ljhwang/rust-helloworld
[INFO] tweaked toml for git repo https://github.com/ljhwang/rust-helloworld written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ljhwang/rust-helloworld 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bebc5dd46208968fff297eb0e6412bf97b8e3b899d973dec58ffdbc59ae49b6
[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" "2bebc5dd46208968fff297eb0e6412bf97b8e3b899d973dec58ffdbc59ae49b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bebc5dd46208968fff297eb0e6412bf97b8e3b899d973dec58ffdbc59ae49b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bebc5dd46208968fff297eb0e6412bf97b8e3b899d973dec58ffdbc59ae49b6", kill_on_drop: false }`
[INFO] [stdout] 2bebc5dd46208968fff297eb0e6412bf97b8e3b899d973dec58ffdbc59ae49b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] e0c4ce147442c4d8f50067c2f0ce60a10c078a41f95ef5a0756397471852271e
[INFO] running `Command { std: "docker" "start" "-a" "e0c4ce147442c4d8f50067c2f0ce60a10c078a41f95ef5a0756397471852271e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-helloworld v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "e0c4ce147442c4d8f50067c2f0ce60a10c078a41f95ef5a0756397471852271e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c4ce147442c4d8f50067c2f0ce60a10c078a41f95ef5a0756397471852271e", kill_on_drop: false }`
[INFO] [stdout] e0c4ce147442c4d8f50067c2f0ce60a10c078a41f95ef5a0756397471852271e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39e4ca15f0020864c4fb926de6231b7ca221d0e6b843cd0935df3fe348e28675
[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" "39e4ca15f0020864c4fb926de6231b7ca221d0e6b843cd0935df3fe348e28675", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-helloworld v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "39e4ca15f0020864c4fb926de6231b7ca221d0e6b843cd0935df3fe348e28675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e4ca15f0020864c4fb926de6231b7ca221d0e6b843cd0935df3fe348e28675", kill_on_drop: false }`
[INFO] [stdout] 39e4ca15f0020864c4fb926de6231b7ca221d0e6b843cd0935df3fe348e28675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] fe53584ccd1905c32e1e808fc95bf0fdac46fdd1b945fe5fc9f38173fc6142c8
[INFO] running `Command { std: "docker" "start" "-a" "fe53584ccd1905c32e1e808fc95bf0fdac46fdd1b945fe5fc9f38173fc6142c8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_helloworld-01abd4465cc928c3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple_math ... ok
[INFO] [stdout] test newspeak_math ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe53584ccd1905c32e1e808fc95bf0fdac46fdd1b945fe5fc9f38173fc6142c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe53584ccd1905c32e1e808fc95bf0fdac46fdd1b945fe5fc9f38173fc6142c8", kill_on_drop: false }`
[INFO] [stdout] fe53584ccd1905c32e1e808fc95bf0fdac46fdd1b945fe5fc9f38173fc6142c8