[INFO] fetching crate flow_impl_derive 0.21.0...
[INFO] testing flow_impl_derive-0.21.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate flow_impl_derive 0.21.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate flow_impl_derive 0.21.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flow_impl_derive 0.21.0
[INFO] finished tweaking crates.io crate flow_impl_derive 0.21.0
[INFO] tweaked toml for crates.io crate flow_impl_derive 0.21.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "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] c8a3aaf2fed8012bb6540c836eaae53804bb4abc44a085e5c7454f4aebb46f36
[INFO] running `Command { std: "docker" "start" "-a" "c8a3aaf2fed8012bb6540c836eaae53804bb4abc44a085e5c7454f4aebb46f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8a3aaf2fed8012bb6540c836eaae53804bb4abc44a085e5c7454f4aebb46f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a3aaf2fed8012bb6540c836eaae53804bb4abc44a085e5c7454f4aebb46f36", kill_on_drop: false }`
[INFO] [stdout] c8a3aaf2fed8012bb6540c836eaae53804bb4abc44a085e5c7454f4aebb46f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c00a38b6003279c48624cf8b9e66805d3f0bbd997772885b3ecb509549aff41
[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" "5c00a38b6003279c48624cf8b9e66805d3f0bbd997772885b3ecb509549aff41", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling flow_impl_derive v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.25s
[INFO] running `Command { std: "docker" "inspect" "5c00a38b6003279c48624cf8b9e66805d3f0bbd997772885b3ecb509549aff41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c00a38b6003279c48624cf8b9e66805d3f0bbd997772885b3ecb509549aff41", kill_on_drop: false }`
[INFO] [stdout] 5c00a38b6003279c48624cf8b9e66805d3f0bbd997772885b3ecb509549aff41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "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] caca60f74a57f08e6f797e3f8c8fda36fcce8d8e6fec8e3527de7c6bfde9c994
[INFO] running `Command { std: "docker" "start" "-a" "caca60f74a57f08e6f797e3f8c8fda36fcce8d8e6fec8e3527de7c6bfde9c994", kill_on_drop: false }`
[INFO] [stderr]    Compiling flow_impl_derive v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "caca60f74a57f08e6f797e3f8c8fda36fcce8d8e6fec8e3527de7c6bfde9c994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caca60f74a57f08e6f797e3f8c8fda36fcce8d8e6fec8e3527de7c6bfde9c994", kill_on_drop: false }`
[INFO] [stdout] caca60f74a57f08e6f797e3f8c8fda36fcce8d8e6fec8e3527de7c6bfde9c994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 268369c502aebce6411e03ffb7207efa2855a7c4ce07c11cf0c37f4c98121fa8
[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" "268369c502aebce6411e03ffb7207efa2855a7c4ce07c11cf0c37f4c98121fa8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flow_impl_derive-239b7d4f5472ed1a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flow_impl_derive
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "268369c502aebce6411e03ffb7207efa2855a7c4ce07c11cf0c37f4c98121fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268369c502aebce6411e03ffb7207efa2855a7c4ce07c11cf0c37f4c98121fa8", kill_on_drop: false }`
[INFO] [stdout] 268369c502aebce6411e03ffb7207efa2855a7c4ce07c11cf0c37f4c98121fa8