[INFO] fetching crate libblkid-rs 0.1.0...
[INFO] testing libblkid-rs-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libblkid-rs 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate libblkid-rs 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libblkid-rs 0.1.0
[INFO] finished tweaking crates.io crate libblkid-rs 0.1.0
[INFO] tweaked toml for crates.io crate libblkid-rs 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9a43249d896f908af594cdd27310fc132a583d68c4e4ec7a20e9f7478f47e0c
[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" "c9a43249d896f908af594cdd27310fc132a583d68c4e4ec7a20e9f7478f47e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9a43249d896f908af594cdd27310fc132a583d68c4e4ec7a20e9f7478f47e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a43249d896f908af594cdd27310fc132a583d68c4e4ec7a20e9f7478f47e0c", kill_on_drop: false }`
[INFO] [stdout] c9a43249d896f908af594cdd27310fc132a583d68c4e4ec7a20e9f7478f47e0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c708cd40a703b31e183445d567d32fca6a036aa03c5ed3090318a15f697a3de9
[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" "c708cd40a703b31e183445d567d32fca6a036aa03c5ed3090318a15f697a3de9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling libblkid-rs-sys v0.1.0
[INFO] [stderr]    Compiling libblkid-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.53s
[INFO] running `Command { std: "docker" "inspect" "c708cd40a703b31e183445d567d32fca6a036aa03c5ed3090318a15f697a3de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c708cd40a703b31e183445d567d32fca6a036aa03c5ed3090318a15f697a3de9", kill_on_drop: false }`
[INFO] [stdout] c708cd40a703b31e183445d567d32fca6a036aa03c5ed3090318a15f697a3de9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "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] 47660304bb9a42317261ccb88163e4a1ff2d0f91d90b6dffb5519e8f5e0c1ab7
[INFO] running `Command { std: "docker" "start" "-a" "47660304bb9a42317261ccb88163e4a1ff2d0f91d90b6dffb5519e8f5e0c1ab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libblkid-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "47660304bb9a42317261ccb88163e4a1ff2d0f91d90b6dffb5519e8f5e0c1ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47660304bb9a42317261ccb88163e4a1ff2d0f91d90b6dffb5519e8f5e0c1ab7", kill_on_drop: false }`
[INFO] [stdout] 47660304bb9a42317261ccb88163e4a1ff2d0f91d90b6dffb5519e8f5e0c1ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2f82fe6a77d371779636a6d99b2ba0d4cb77f84312730be79b51b264825209b
[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" "c2f82fe6a77d371779636a6d99b2ba0d4cb77f84312730be79b51b264825209b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libblkid_rs-2bd9def2654e954c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libblkid-rs
[INFO] [stdout] running 2 tests
[INFO] [stdout] test encode::test::test_safe_string ... ok
[INFO] [stdout] test encode::test::test_encode_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c2f82fe6a77d371779636a6d99b2ba0d4cb77f84312730be79b51b264825209b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f82fe6a77d371779636a6d99b2ba0d4cb77f84312730be79b51b264825209b", kill_on_drop: false }`
[INFO] [stdout] c2f82fe6a77d371779636a6d99b2ba0d4cb77f84312730be79b51b264825209b