[INFO] fetching crate thruster-async-await 0.9.0-alpha.2...
[INFO] testing thruster-async-await-0.9.0-alpha.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate thruster-async-await 0.9.0-alpha.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate thruster-async-await 0.9.0-alpha.2 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 thruster-async-await 0.9.0-alpha.2
[INFO] finished tweaking crates.io crate thruster-async-await 0.9.0-alpha.2
[INFO] tweaked toml for crates.io crate thruster-async-await 0.9.0-alpha.2 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] db3176d3f6846133331ffe685a8bd7264d0534e093d588d09ac9eaafe01db4c6
[INFO] running `Command { std: "docker" "start" "-a" "db3176d3f6846133331ffe685a8bd7264d0534e093d588d09ac9eaafe01db4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db3176d3f6846133331ffe685a8bd7264d0534e093d588d09ac9eaafe01db4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3176d3f6846133331ffe685a8bd7264d0534e093d588d09ac9eaafe01db4c6", kill_on_drop: false }`
[INFO] [stdout] db3176d3f6846133331ffe685a8bd7264d0534e093d588d09ac9eaafe01db4c6
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] b0583b5e146fe497a6ea73d37d7b14f48af08b97c2f2aded21090bf73ec47099
[INFO] running `Command { std: "docker" "start" "-a" "b0583b5e146fe497a6ea73d37d7b14f48af08b97c2f2aded21090bf73ec47099", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thruster-core v0.9.0-alpha.2
[INFO] [stderr]    Compiling thruster-async-await v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.49s
[INFO] running `Command { std: "docker" "inspect" "b0583b5e146fe497a6ea73d37d7b14f48af08b97c2f2aded21090bf73ec47099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0583b5e146fe497a6ea73d37d7b14f48af08b97c2f2aded21090bf73ec47099", kill_on_drop: false }`
[INFO] [stdout] b0583b5e146fe497a6ea73d37d7b14f48af08b97c2f2aded21090bf73ec47099
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 784ec7eee1089341d4f8f81abe651b1c7574c861e594ccb73a04cece1ab7724a
[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" "784ec7eee1089341d4f8f81abe651b1c7574c861e594ccb73a04cece1ab7724a", kill_on_drop: false }`
[INFO] [stderr]    Compiling thruster-async-await v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "784ec7eee1089341d4f8f81abe651b1c7574c861e594ccb73a04cece1ab7724a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784ec7eee1089341d4f8f81abe651b1c7574c861e594ccb73a04cece1ab7724a", kill_on_drop: false }`
[INFO] [stdout] 784ec7eee1089341d4f8f81abe651b1c7574c861e594ccb73a04cece1ab7724a
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 876aa8f8538825f74890945d15edcaf796d870e0deb88faca2cd335f611c2151
[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" "876aa8f8538825f74890945d15edcaf796d870e0deb88faca2cd335f611c2151", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thruster_async_await-5de65ae87fe6c3c9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests thruster-async-await
[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" "876aa8f8538825f74890945d15edcaf796d870e0deb88faca2cd335f611c2151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876aa8f8538825f74890945d15edcaf796d870e0deb88faca2cd335f611c2151", kill_on_drop: false }`
[INFO] [stdout] 876aa8f8538825f74890945d15edcaf796d870e0deb88faca2cd335f611c2151