[INFO] fetching crate region_buffer 0.1.5...
[INFO] testing region_buffer-0.1.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate region_buffer 0.1.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate region_buffer 0.1.5 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 region_buffer 0.1.5
[INFO] finished tweaking crates.io crate region_buffer 0.1.5
[INFO] tweaked toml for crates.io crate region_buffer 0.1.5 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c5c62f74fb1721042ac9ef1d42515e795e4e74c5a5e7e71d84421a86f61c3866
[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" "c5c62f74fb1721042ac9ef1d42515e795e4e74c5a5e7e71d84421a86f61c3866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5c62f74fb1721042ac9ef1d42515e795e4e74c5a5e7e71d84421a86f61c3866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c62f74fb1721042ac9ef1d42515e795e4e74c5a5e7e71d84421a86f61c3866", kill_on_drop: false }`
[INFO] [stdout] c5c62f74fb1721042ac9ef1d42515e795e4e74c5a5e7e71d84421a86f61c3866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a4c02f8ac7ba4eeb1a4789bd75705a892ae31cefc13e99f328e1f3299f07bca7
[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" "a4c02f8ac7ba4eeb1a4789bd75705a892ae31cefc13e99f328e1f3299f07bca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling region_buffer v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "a4c02f8ac7ba4eeb1a4789bd75705a892ae31cefc13e99f328e1f3299f07bca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c02f8ac7ba4eeb1a4789bd75705a892ae31cefc13e99f328e1f3299f07bca7", kill_on_drop: false }`
[INFO] [stdout] a4c02f8ac7ba4eeb1a4789bd75705a892ae31cefc13e99f328e1f3299f07bca7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 3afa3089dcd8f11f039b1c273fb2db4558e1538dfd52858a750958b159e7252a
[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" "3afa3089dcd8f11f039b1c273fb2db4558e1538dfd52858a750958b159e7252a", kill_on_drop: false }`
[INFO] [stderr]    Compiling region_buffer v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "3afa3089dcd8f11f039b1c273fb2db4558e1538dfd52858a750958b159e7252a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afa3089dcd8f11f039b1c273fb2db4558e1538dfd52858a750958b159e7252a", kill_on_drop: false }`
[INFO] [stdout] 3afa3089dcd8f11f039b1c273fb2db4558e1538dfd52858a750958b159e7252a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1b33d4b5b5a26a9aa506b7f4f9f5a06ee304bc8be3162c4a0f9a45c8b2ab8235
[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" "1b33d4b5b5a26a9aa506b7f4f9f5a06ee304bc8be3162c4a0f9a45c8b2ab8235", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/region_buffer-11334e81578aa967
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::basic_use ... ok
[INFO] [stdout] test tests::dropped_region ... ok
[INFO] [stdout] test tests::truncate ... ok
[INFO] [stdout] test tests::completely_overlaps ... ok
[INFO] [stdout] test tests::ends_in_overlap ... ok
[INFO] [stdout] test tests::starts_in_overlap ... ok
[INFO] [stdout] test tests::truncate_into_borrowed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests region_buffer
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/lib.rs - region_buffer (line 101) ... ok
[INFO] [stdout] test src/lib.rs - region_buffer (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b33d4b5b5a26a9aa506b7f4f9f5a06ee304bc8be3162c4a0f9a45c8b2ab8235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b33d4b5b5a26a9aa506b7f4f9f5a06ee304bc8be3162c4a0f9a45c8b2ab8235", kill_on_drop: false }`
[INFO] [stdout] 1b33d4b5b5a26a9aa506b7f4f9f5a06ee304bc8be3162c4a0f9a45c8b2ab8235