[INFO] fetching crate buffering 0.5.0...
[INFO] testing buffering-0.5.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate buffering 0.5.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate buffering 0.5.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffering 0.5.0
[INFO] finished tweaking crates.io crate buffering 0.5.0
[INFO] tweaked toml for crates.io crate buffering 0.5.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff702e75d900dfdf686a8020189632bb93ace7a236b9b97bb132d8a8b629860f
[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" "ff702e75d900dfdf686a8020189632bb93ace7a236b9b97bb132d8a8b629860f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff702e75d900dfdf686a8020189632bb93ace7a236b9b97bb132d8a8b629860f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff702e75d900dfdf686a8020189632bb93ace7a236b9b97bb132d8a8b629860f", kill_on_drop: false }`
[INFO] [stdout] ff702e75d900dfdf686a8020189632bb93ace7a236b9b97bb132d8a8b629860f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af7dcd430e76a09734783318daed066f6abe6aa57f9ddd1c7dddfdc4004889f0
[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" "af7dcd430e76a09734783318daed066f6abe6aa57f9ddd1c7dddfdc4004889f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling buffering_nocopy_macro v0.2.2
[INFO] [stderr]    Compiling buffering v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.53s
[INFO] running `Command { std: "docker" "inspect" "af7dcd430e76a09734783318daed066f6abe6aa57f9ddd1c7dddfdc4004889f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7dcd430e76a09734783318daed066f6abe6aa57f9ddd1c7dddfdc4004889f0", kill_on_drop: false }`
[INFO] [stdout] af7dcd430e76a09734783318daed066f6abe6aa57f9ddd1c7dddfdc4004889f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3def8b488361e5d6cbb6604dd3a3d88f86b0c4780760fd3905e8661fd1bb70a
[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" "c3def8b488361e5d6cbb6604dd3a3d88f86b0c4780760fd3905e8661fd1bb70a", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffering v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "c3def8b488361e5d6cbb6604dd3a3d88f86b0c4780760fd3905e8661fd1bb70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3def8b488361e5d6cbb6604dd3a3d88f86b0c4780760fd3905e8661fd1bb70a", kill_on_drop: false }`
[INFO] [stdout] c3def8b488361e5d6cbb6604dd3a3d88f86b0c4780760fd3905e8661fd1bb70a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 4ba53fe2dff61d7eee7f1f8775f62aee3903956563d97dfb360ee76560bd3f13
[INFO] running `Command { std: "docker" "start" "-a" "4ba53fe2dff61d7eee7f1f8775f62aee3903956563d97dfb360ee76560bd3f13", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buffering-f87015886cf57d37
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_proc_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buffering
[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" "4ba53fe2dff61d7eee7f1f8775f62aee3903956563d97dfb360ee76560bd3f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba53fe2dff61d7eee7f1f8775f62aee3903956563d97dfb360ee76560bd3f13", kill_on_drop: false }`
[INFO] [stdout] 4ba53fe2dff61d7eee7f1f8775f62aee3903956563d97dfb360ee76560bd3f13
