[INFO] fetching crate tumbleweed_persist 0.1.0...
[INFO] testing tumbleweed_persist-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tumbleweed_persist 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tumbleweed_persist 0.1.0 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 tumbleweed_persist 0.1.0
[INFO] finished tweaking crates.io crate tumbleweed_persist 0.1.0
[INFO] tweaked toml for crates.io crate tumbleweed_persist 0.1.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 509e09cb783cb5b2e2d3d695b9aa779e83b41129c7a16d0b05b2919c176aa1d5
[INFO] running `Command { std: "docker" "start" "-a" "509e09cb783cb5b2e2d3d695b9aa779e83b41129c7a16d0b05b2919c176aa1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "509e09cb783cb5b2e2d3d695b9aa779e83b41129c7a16d0b05b2919c176aa1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509e09cb783cb5b2e2d3d695b9aa779e83b41129c7a16d0b05b2919c176aa1d5", kill_on_drop: false }`
[INFO] [stdout] 509e09cb783cb5b2e2d3d695b9aa779e83b41129c7a16d0b05b2919c176aa1d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a1f4a4c239b1b9a7208678a777f20c627e13ab4275d09ce3aa6a01cf3298ba8c
[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" "a1f4a4c239b1b9a7208678a777f20c627e13ab4275d09ce3aa6a01cf3298ba8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tumbleweed_persist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "a1f4a4c239b1b9a7208678a777f20c627e13ab4275d09ce3aa6a01cf3298ba8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f4a4c239b1b9a7208678a777f20c627e13ab4275d09ce3aa6a01cf3298ba8c", kill_on_drop: false }`
[INFO] [stdout] a1f4a4c239b1b9a7208678a777f20c627e13ab4275d09ce3aa6a01cf3298ba8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 3d37a65fc4e305b7203bee65efbd37c6a08d7bb476d21bb190c06059ed4ab7a2
[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" "3d37a65fc4e305b7203bee65efbd37c6a08d7bb476d21bb190c06059ed4ab7a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tumbleweed_persist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "3d37a65fc4e305b7203bee65efbd37c6a08d7bb476d21bb190c06059ed4ab7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d37a65fc4e305b7203bee65efbd37c6a08d7bb476d21bb190c06059ed4ab7a2", kill_on_drop: false }`
[INFO] [stdout] 3d37a65fc4e305b7203bee65efbd37c6a08d7bb476d21bb190c06059ed4ab7a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2817212776d82a15c18b4d648b08129748e09c7c147c99ab000f629768b054e
[INFO] running `Command { std: "docker" "start" "-a" "c2817212776d82a15c18b4d648b08129748e09c7c147c99ab000f629768b054e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tumbleweed_persist-07faa65c0f14854a
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tumbleweed_persist
[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" "c2817212776d82a15c18b4d648b08129748e09c7c147c99ab000f629768b054e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2817212776d82a15c18b4d648b08129748e09c7c147c99ab000f629768b054e", kill_on_drop: false }`
[INFO] [stdout] c2817212776d82a15c18b4d648b08129748e09c7c147c99ab000f629768b054e