[INFO] crate advancedresearch-tree_mem_sort 0.2.0 is already in cache
[INFO] testing advancedresearch-tree_mem_sort-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate advancedresearch-tree_mem_sort 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate advancedresearch-tree_mem_sort 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate advancedresearch-tree_mem_sort 0.2.0
[INFO] finished tweaking crates.io crate advancedresearch-tree_mem_sort 0.2.0
[INFO] tweaked toml for crates.io crate advancedresearch-tree_mem_sort 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate advancedresearch-tree_mem_sort 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9aefa9ecdb0b8f9cf639c7e2df94941a2d5ef9cee7f34553d836c1a3677179b3
[INFO] running `"docker" "start" "-a" "9aefa9ecdb0b8f9cf639c7e2df94941a2d5ef9cee7f34553d836c1a3677179b3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling advancedresearch-tree_mem_sort v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "9aefa9ecdb0b8f9cf639c7e2df94941a2d5ef9cee7f34553d836c1a3677179b3"`
[INFO] running `"docker" "rm" "-f" "9aefa9ecdb0b8f9cf639c7e2df94941a2d5ef9cee7f34553d836c1a3677179b3"`
[INFO] [stdout] 9aefa9ecdb0b8f9cf639c7e2df94941a2d5ef9cee7f34553d836c1a3677179b3
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 52edae79b0ad2108a2dd980b5b5ca86aaef6e8c05c6a083ed9a9ca94d310dd19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "52edae79b0ad2108a2dd980b5b5ca86aaef6e8c05c6a083ed9a9ca94d310dd19"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling advancedresearch-tree_mem_sort v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "52edae79b0ad2108a2dd980b5b5ca86aaef6e8c05c6a083ed9a9ca94d310dd19"`
[INFO] running `"docker" "rm" "-f" "52edae79b0ad2108a2dd980b5b5ca86aaef6e8c05c6a083ed9a9ca94d310dd19"`
[INFO] [stdout] 52edae79b0ad2108a2dd980b5b5ca86aaef6e8c05c6a083ed9a9ca94d310dd19
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cdd97fc0ea7026543df976d076506fefc3aa1af5859f911dd18324809feafe3
[INFO] running `"docker" "start" "-a" "4cdd97fc0ea7026543df976d076506fefc3aa1af5859f911dd18324809feafe3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::one ... ok
[INFO] [stdout] test tests::four ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tree_mem_sort-4386bddbcf65bd7d
[INFO] [stdout] test tests::three ... ok
[INFO] [stderr]    Doc-tests tree_mem_sort
[INFO] [stdout] test tests::two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4cdd97fc0ea7026543df976d076506fefc3aa1af5859f911dd18324809feafe3"`
[INFO] running `"docker" "rm" "-f" "4cdd97fc0ea7026543df976d076506fefc3aa1af5859f911dd18324809feafe3"`
[INFO] [stdout] 4cdd97fc0ea7026543df976d076506fefc3aa1af5859f911dd18324809feafe3