[INFO] fetching crate splits-io-api 0.2.0...
[INFO] testing splits-io-api-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate splits-io-api 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate splits-io-api 0.2.0 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 splits-io-api 0.2.0
[INFO] finished tweaking crates.io crate splits-io-api 0.2.0
[INFO] tweaked toml for crates.io crate splits-io-api 0.2.0 written to /workspace/builds/worker-8/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded ct-logs v0.8.0
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded tokio-util v0.6.0
[INFO] [stderr]   Downloaded tokio-rustls v0.22.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.0
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded h2 v0.3.0
[INFO] [stderr]   Downloaded hyper-rustls v0.22.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 35de19354ad86e6b5a3babaede63df5750a137503c9dfed67fd24c4f155d50e1
[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" "35de19354ad86e6b5a3babaede63df5750a137503c9dfed67fd24c4f155d50e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35de19354ad86e6b5a3babaede63df5750a137503c9dfed67fd24c4f155d50e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35de19354ad86e6b5a3babaede63df5750a137503c9dfed67fd24c4f155d50e1", kill_on_drop: false }`
[INFO] [stdout] 35de19354ad86e6b5a3babaede63df5750a137503c9dfed67fd24c4f155d50e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 618aa15f6f2d3004414e3f3b874b04098d76aea0689149ca9d203926eb7caf61
[INFO] running `Command { std: "docker" "start" "-a" "618aa15f6f2d3004414e3f3b874b04098d76aea0689149ca9d203926eb7caf61", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling ct-logs v0.8.0
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling tokio-stream v0.1.0
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling tokio-util v0.6.0
[INFO] [stderr]    Compiling h2 v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.2
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling splits-io-api v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.11s
[INFO] running `Command { std: "docker" "inspect" "618aa15f6f2d3004414e3f3b874b04098d76aea0689149ca9d203926eb7caf61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618aa15f6f2d3004414e3f3b874b04098d76aea0689149ca9d203926eb7caf61", kill_on_drop: false }`
[INFO] [stdout] 618aa15f6f2d3004414e3f3b874b04098d76aea0689149ca9d203926eb7caf61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e720257f5aaa6da60cf3f32e3556c4fd6f1222997514882ac40f889b40ffee83
[INFO] running `Command { std: "docker" "start" "-a" "e720257f5aaa6da60cf3f32e3556c4fd6f1222997514882ac40f889b40ffee83", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling splits-io-api v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "e720257f5aaa6da60cf3f32e3556c4fd6f1222997514882ac40f889b40ffee83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e720257f5aaa6da60cf3f32e3556c4fd6f1222997514882ac40f889b40ffee83", kill_on_drop: false }`
[INFO] [stdout] e720257f5aaa6da60cf3f32e3556c4fd6f1222997514882ac40f889b40ffee83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 905cb339266e6ecd897b7225ba978a3aa835dfa98f470afc20033492876b3cf4
[INFO] running `Command { std: "docker" "start" "-a" "905cb339266e6ecd897b7225ba978a3aa835dfa98f470afc20033492876b3cf4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/splits_io_api-ef2654b0b2e0b9bc
[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] [stderr]    Doc-tests splits-io-api
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "905cb339266e6ecd897b7225ba978a3aa835dfa98f470afc20033492876b3cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905cb339266e6ecd897b7225ba978a3aa835dfa98f470afc20033492876b3cf4", kill_on_drop: false }`
[INFO] [stdout] 905cb339266e6ecd897b7225ba978a3aa835dfa98f470afc20033492876b3cf4