[INFO] fetching crate rebnf 0.1.0...
[INFO] testing rebnf-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rebnf 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rebnf 0.1.0 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 crates.io crate rebnf 0.1.0
[INFO] finished tweaking crates.io crate rebnf 0.1.0
[INFO] tweaked toml for crates.io crate rebnf 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4cdccb723fbd860cb57cb5fbad703f8ee790eab7bb4c1037d565461360c07512
[INFO] running `Command { std: "docker" "start" "-a" "4cdccb723fbd860cb57cb5fbad703f8ee790eab7bb4c1037d565461360c07512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cdccb723fbd860cb57cb5fbad703f8ee790eab7bb4c1037d565461360c07512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdccb723fbd860cb57cb5fbad703f8ee790eab7bb4c1037d565461360c07512", kill_on_drop: false }`
[INFO] [stdout] 4cdccb723fbd860cb57cb5fbad703f8ee790eab7bb4c1037d565461360c07512
[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: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] aebe0a5eca86170fa38d1f60aed55ca8c27491a7d11c6be197cd51656b9678c0
[INFO] running `Command { std: "docker" "start" "-a" "aebe0a5eca86170fa38d1f60aed55ca8c27491a7d11c6be197cd51656b9678c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rebnf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "aebe0a5eca86170fa38d1f60aed55ca8c27491a7d11c6be197cd51656b9678c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aebe0a5eca86170fa38d1f60aed55ca8c27491a7d11c6be197cd51656b9678c0", kill_on_drop: false }`
[INFO] [stdout] aebe0a5eca86170fa38d1f60aed55ca8c27491a7d11c6be197cd51656b9678c0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 112e025416dea492384aebe190ddc9b271738a428eb6ad7dbcb4ec1f82b5596a
[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" "112e025416dea492384aebe190ddc9b271738a428eb6ad7dbcb4ec1f82b5596a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rebnf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "112e025416dea492384aebe190ddc9b271738a428eb6ad7dbcb4ec1f82b5596a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112e025416dea492384aebe190ddc9b271738a428eb6ad7dbcb4ec1f82b5596a", kill_on_drop: false }`
[INFO] [stdout] 112e025416dea492384aebe190ddc9b271738a428eb6ad7dbcb4ec1f82b5596a
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cb7821ec99cc23f791632168bf81da145733748dca4351566fb7f4e78357a4a
[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" "3cb7821ec99cc23f791632168bf81da145733748dca4351566fb7f4e78357a4a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rebnf-6f07ce8647daf3d3
[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" "3cb7821ec99cc23f791632168bf81da145733748dca4351566fb7f4e78357a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb7821ec99cc23f791632168bf81da145733748dca4351566fb7f4e78357a4a", kill_on_drop: false }`
[INFO] [stdout] 3cb7821ec99cc23f791632168bf81da145733748dca4351566fb7f4e78357a4a