[INFO] crate async-sugar 0.1.0 is already in cache
[INFO] testing async-sugar-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate async-sugar 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-sugar 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-sugar 0.1.0
[INFO] finished tweaking crates.io crate async-sugar 0.1.0
[INFO] tweaked toml for crates.io crate async-sugar 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate async-sugar 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 062434814c645d8e860159120d23abdf758cd9c7136ffabe8e3f75b94c0a62ad
[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" "062434814c645d8e860159120d23abdf758cd9c7136ffabe8e3f75b94c0a62ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "062434814c645d8e860159120d23abdf758cd9c7136ffabe8e3f75b94c0a62ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062434814c645d8e860159120d23abdf758cd9c7136ffabe8e3f75b94c0a62ad", kill_on_drop: false }`
[INFO] [stdout] 062434814c645d8e860159120d23abdf758cd9c7136ffabe8e3f75b94c0a62ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044255a1cbc62415b7968e71ac161c9e00c33ecd0b37dcf3165c95d580db9faf
[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" "044255a1cbc62415b7968e71ac161c9e00c33ecd0b37dcf3165c95d580db9faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-sugar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "044255a1cbc62415b7968e71ac161c9e00c33ecd0b37dcf3165c95d580db9faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044255a1cbc62415b7968e71ac161c9e00c33ecd0b37dcf3165c95d580db9faf", kill_on_drop: false }`
[INFO] [stdout] 044255a1cbc62415b7968e71ac161c9e00c33ecd0b37dcf3165c95d580db9faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98c754fec316530be1cb056b3165dda3ed6f708b4c538378c7f81667e2f07bd5
[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" "98c754fec316530be1cb056b3165dda3ed6f708b4c538378c7f81667e2f07bd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-sugar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "98c754fec316530be1cb056b3165dda3ed6f708b4c538378c7f81667e2f07bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c754fec316530be1cb056b3165dda3ed6f708b4c538378c7f81667e2f07bd5", kill_on_drop: false }`
[INFO] [stdout] 98c754fec316530be1cb056b3165dda3ed6f708b4c538378c7f81667e2f07bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 0d3efe07e8126ab1d3cf9d62b839c99be1437c8cc9c56d6b3994db2829bffb2f
[INFO] running `Command { std: "docker" "start" "-a" "0d3efe07e8126ab1d3cf9d62b839c99be1437c8cc9c56d6b3994db2829bffb2f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_sugar-d23e68dd37271538
[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" "0d3efe07e8126ab1d3cf9d62b839c99be1437c8cc9c56d6b3994db2829bffb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3efe07e8126ab1d3cf9d62b839c99be1437c8cc9c56d6b3994db2829bffb2f", kill_on_drop: false }`
[INFO] [stdout] 0d3efe07e8126ab1d3cf9d62b839c99be1437c8cc9c56d6b3994db2829bffb2f