[INFO] cloning repository https://github.com/mathieu-anderson/rust_control_flow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathieu-anderson/rust_control_flow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-anderson%2Frust_control_flow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-anderson%2Frust_control_flow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b8030c407efcce312e6dfed4075683553629cd8
[INFO] testing mathieu-anderson/rust_control_flow against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-anderson%2Frust_control_flow" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathieu-anderson/rust_control_flow 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/mathieu-anderson/rust_control_flow
[INFO] finished tweaking git repo https://github.com/mathieu-anderson/rust_control_flow
[INFO] tweaked toml for git repo https://github.com/mathieu-anderson/rust_control_flow written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mathieu-anderson/rust_control_flow 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 121140fb0a72019ceb758e1bca1446215e5e2ebe92c95a6acf2e9016bdaad1eb
[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" "121140fb0a72019ceb758e1bca1446215e5e2ebe92c95a6acf2e9016bdaad1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "121140fb0a72019ceb758e1bca1446215e5e2ebe92c95a6acf2e9016bdaad1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121140fb0a72019ceb758e1bca1446215e5e2ebe92c95a6acf2e9016bdaad1eb", kill_on_drop: false }`
[INFO] [stdout] 121140fb0a72019ceb758e1bca1446215e5e2ebe92c95a6acf2e9016bdaad1eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 639bd2e22bfce2ff18712004d196ab5a8e23045c1b9967df8978b4433129eed3
[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" "639bd2e22bfce2ff18712004d196ab5a8e23045c1b9967df8978b4433129eed3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_control_flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "639bd2e22bfce2ff18712004d196ab5a8e23045c1b9967df8978b4433129eed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639bd2e22bfce2ff18712004d196ab5a8e23045c1b9967df8978b4433129eed3", kill_on_drop: false }`
[INFO] [stdout] 639bd2e22bfce2ff18712004d196ab5a8e23045c1b9967df8978b4433129eed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 470139eea36553364e55eee598305d1573f36bd7dd547d59ccc34c79ec319ee9
[INFO] running `Command { std: "docker" "start" "-a" "470139eea36553364e55eee598305d1573f36bd7dd547d59ccc34c79ec319ee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_control_flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "470139eea36553364e55eee598305d1573f36bd7dd547d59ccc34c79ec319ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470139eea36553364e55eee598305d1573f36bd7dd547d59ccc34c79ec319ee9", kill_on_drop: false }`
[INFO] [stdout] 470139eea36553364e55eee598305d1573f36bd7dd547d59ccc34c79ec319ee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8e89e06eab4cfab28c1329c39ec4312fc704de42d9408d06868494297dc47392
[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" "8e89e06eab4cfab28c1329c39ec4312fc704de42d9408d06868494297dc47392", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_control_flow-2c1f5d3a65aee10e
[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" "8e89e06eab4cfab28c1329c39ec4312fc704de42d9408d06868494297dc47392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e89e06eab4cfab28c1329c39ec4312fc704de42d9408d06868494297dc47392", kill_on_drop: false }`
[INFO] [stdout] 8e89e06eab4cfab28c1329c39ec4312fc704de42d9408d06868494297dc47392