[INFO] fetching crate lxc-sys2 1.0.0...
[INFO] testing lxc-sys2-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lxc-sys2 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lxc-sys2 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lxc-sys2 1.0.0
[INFO] finished tweaking crates.io crate lxc-sys2 1.0.0
[INFO] tweaked toml for crates.io crate lxc-sys2 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abaf5d27a945ce598cea1e5c35449ab43693724ae9d279aab7d85883071dd4d8
[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" "abaf5d27a945ce598cea1e5c35449ab43693724ae9d279aab7d85883071dd4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abaf5d27a945ce598cea1e5c35449ab43693724ae9d279aab7d85883071dd4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abaf5d27a945ce598cea1e5c35449ab43693724ae9d279aab7d85883071dd4d8", kill_on_drop: false }`
[INFO] [stdout] abaf5d27a945ce598cea1e5c35449ab43693724ae9d279aab7d85883071dd4d8
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56ab63e0d4a9bc3e832f87b9bc64c8e3ee75f424eecff682f3d0dd84b4f56795
[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" "56ab63e0d4a9bc3e832f87b9bc64c8e3ee75f424eecff682f3d0dd84b4f56795", kill_on_drop: false }`
[INFO] [stderr]    Compiling lxc-sys2 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "56ab63e0d4a9bc3e832f87b9bc64c8e3ee75f424eecff682f3d0dd84b4f56795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ab63e0d4a9bc3e832f87b9bc64c8e3ee75f424eecff682f3d0dd84b4f56795", kill_on_drop: false }`
[INFO] [stdout] 56ab63e0d4a9bc3e832f87b9bc64c8e3ee75f424eecff682f3d0dd84b4f56795
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 3bb20b5aac2ad524f35917e0e2e6b0b2b20dc1dccff79e2c688dd9fdd382cf64
[INFO] running `Command { std: "docker" "start" "-a" "3bb20b5aac2ad524f35917e0e2e6b0b2b20dc1dccff79e2c688dd9fdd382cf64", kill_on_drop: false }`
[INFO] [stderr]    Compiling lxc-sys2 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "3bb20b5aac2ad524f35917e0e2e6b0b2b20dc1dccff79e2c688dd9fdd382cf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb20b5aac2ad524f35917e0e2e6b0b2b20dc1dccff79e2c688dd9fdd382cf64", kill_on_drop: false }`
[INFO] [stdout] 3bb20b5aac2ad524f35917e0e2e6b0b2b20dc1dccff79e2c688dd9fdd382cf64
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] bf5ea42a5472800c51c1f1c731e98e0efc7929fc71eda68d6d2fb49952da92d1
[INFO] running `Command { std: "docker" "start" "-a" "bf5ea42a5472800c51c1f1c731e98e0efc7929fc71eda68d6d2fb49952da92d1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lxc_sys2-0b97a007977d6541)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lxc-sys2
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf5ea42a5472800c51c1f1c731e98e0efc7929fc71eda68d6d2fb49952da92d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5ea42a5472800c51c1f1c731e98e0efc7929fc71eda68d6d2fb49952da92d1", kill_on_drop: false }`
[INFO] [stdout] bf5ea42a5472800c51c1f1c731e98e0efc7929fc71eda68d6d2fb49952da92d1