[INFO] fetching crate starb 0.3.0...
[INFO] testing starb-0.3.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate starb 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate starb 0.3.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate starb 0.3.0
[INFO] finished tweaking crates.io crate starb 0.3.0
[INFO] tweaked toml for crates.io crate starb 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd57f9b77ecf8f895e26a918f0243b779bf62313ab8096e42f0825850bcacb38
[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" "cd57f9b77ecf8f895e26a918f0243b779bf62313ab8096e42f0825850bcacb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd57f9b77ecf8f895e26a918f0243b779bf62313ab8096e42f0825850bcacb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd57f9b77ecf8f895e26a918f0243b779bf62313ab8096e42f0825850bcacb38", kill_on_drop: false }`
[INFO] [stdout] cd57f9b77ecf8f895e26a918f0243b779bf62313ab8096e42f0825850bcacb38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c4da6c70bd9a93dc3b5f92d2fc10f086861be10dd25c2b7755ebd0981fedd7
[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" "95c4da6c70bd9a93dc3b5f92d2fc10f086861be10dd25c2b7755ebd0981fedd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling starb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "95c4da6c70bd9a93dc3b5f92d2fc10f086861be10dd25c2b7755ebd0981fedd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c4da6c70bd9a93dc3b5f92d2fc10f086861be10dd25c2b7755ebd0981fedd7", kill_on_drop: false }`
[INFO] [stdout] 95c4da6c70bd9a93dc3b5f92d2fc10f086861be10dd25c2b7755ebd0981fedd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac17857194603ad82fbd185ad77ad13291f9a81a5cb4eb3f1b44667cc7b9d4ee
[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" "ac17857194603ad82fbd185ad77ad13291f9a81a5cb4eb3f1b44667cc7b9d4ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling starb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "ac17857194603ad82fbd185ad77ad13291f9a81a5cb4eb3f1b44667cc7b9d4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac17857194603ad82fbd185ad77ad13291f9a81a5cb4eb3f1b44667cc7b9d4ee", kill_on_drop: false }`
[INFO] [stdout] ac17857194603ad82fbd185ad77ad13291f9a81a5cb4eb3f1b44667cc7b9d4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37ab92957f149f2e3285be879aa22c07cabdcd15307d85881f8f05979754d0d8
[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" "37ab92957f149f2e3285be879aa22c07cabdcd15307d85881f8f05979754d0d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/starb-f26103b6217c3f6a
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::detects_empty ... ok
[INFO] [stdout] test test::ownership_passes_through ... ok
[INFO] [stdout] test test::cannot_overwrite ... ok
[INFO] [stdout] test test::len_matches ... ok
[INFO] [stdout] test test::shift_into_bigger ... ok
[INFO] [stdout] test test::unshift_from_smaller ... ok
[INFO] [stdout] test test::unshift_from_bigger ... ok
[INFO] [stdout] test test::can_wrap ... ok
[INFO] [stderr]    Doc-tests starb
[INFO] [stdout] test test::can_iter ... ok
[INFO] [stdout] test test::shift_into_smaller ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 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" "37ab92957f149f2e3285be879aa22c07cabdcd15307d85881f8f05979754d0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ab92957f149f2e3285be879aa22c07cabdcd15307d85881f8f05979754d0d8", kill_on_drop: false }`
[INFO] [stdout] 37ab92957f149f2e3285be879aa22c07cabdcd15307d85881f8f05979754d0d8
