[INFO] fetching crate libcruby-sys 0.7.5...
[INFO] testing libcruby-sys-0.7.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate libcruby-sys 0.7.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libcruby-sys 0.7.5 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 libcruby-sys 0.7.5
[INFO] finished tweaking crates.io crate libcruby-sys 0.7.5
[INFO] tweaked toml for crates.io crate libcruby-sys 0.7.5 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e9f76c98bf23cff0d3d4bee562efecec1d3720cae3c8fb9b2c8cf9e4cdc02c45
[INFO] running `Command { std: "docker" "start" "-a" "e9f76c98bf23cff0d3d4bee562efecec1d3720cae3c8fb9b2c8cf9e4cdc02c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9f76c98bf23cff0d3d4bee562efecec1d3720cae3c8fb9b2c8cf9e4cdc02c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f76c98bf23cff0d3d4bee562efecec1d3720cae3c8fb9b2c8cf9e4cdc02c45", kill_on_drop: false }`
[INFO] [stdout] e9f76c98bf23cff0d3d4bee562efecec1d3720cae3c8fb9b2c8cf9e4cdc02c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] fc515a354b1b9d2ace1626cd9eb64a66d71dd53ad95c449bb6091ab3c1d69574
[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" "fc515a354b1b9d2ace1626cd9eb64a66d71dd53ad95c449bb6091ab3c1d69574", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcruby-sys v0.7.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "fc515a354b1b9d2ace1626cd9eb64a66d71dd53ad95c449bb6091ab3c1d69574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc515a354b1b9d2ace1626cd9eb64a66d71dd53ad95c449bb6091ab3c1d69574", kill_on_drop: false }`
[INFO] [stdout] fc515a354b1b9d2ace1626cd9eb64a66d71dd53ad95c449bb6091ab3c1d69574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a02efd26f3e4d1e8d852f2106ad727a0955c059655084333b5780d1093759ab3
[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" "a02efd26f3e4d1e8d852f2106ad727a0955c059655084333b5780d1093759ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcruby-sys v0.7.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "a02efd26f3e4d1e8d852f2106ad727a0955c059655084333b5780d1093759ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02efd26f3e4d1e8d852f2106ad727a0955c059655084333b5780d1093759ab3", kill_on_drop: false }`
[INFO] [stdout] a02efd26f3e4d1e8d852f2106ad727a0955c059655084333b5780d1093759ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8054967eedd29cffcbd7c0714d12c95deb312a6abaad1d43e114b0ae3a7efa67
[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" "8054967eedd29cffcbd7c0714d12c95deb312a6abaad1d43e114b0ae3a7efa67", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libcruby_sys-248695c117ba1a70
[INFO] [stderr]    Doc-tests libcruby-sys
[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] [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" "8054967eedd29cffcbd7c0714d12c95deb312a6abaad1d43e114b0ae3a7efa67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8054967eedd29cffcbd7c0714d12c95deb312a6abaad1d43e114b0ae3a7efa67", kill_on_drop: false }`
[INFO] [stdout] 8054967eedd29cffcbd7c0714d12c95deb312a6abaad1d43e114b0ae3a7efa67