[INFO] fetching crate ngt 0.2.0...
[INFO] testing ngt-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate ngt 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ngt 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 ngt 0.2.0
[INFO] finished tweaking crates.io crate ngt 0.2.0
[INFO] tweaked toml for crates.io crate ngt 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e52bd3dbf3d0618513f28566701caa3fd45934c4e4c02e2de58e821b4774a00d
[INFO] running `"docker" "start" "-a" "e52bd3dbf3d0618513f28566701caa3fd45934c4e4c02e2de58e821b4774a00d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling num_enum_derive v0.5.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling num_enum v0.5.0
[INFO] [stderr]    Compiling ngt-sys v1.11.6
[INFO] [stderr]    Compiling ngt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `"docker" "inspect" "e52bd3dbf3d0618513f28566701caa3fd45934c4e4c02e2de58e821b4774a00d"`
[INFO] running `"docker" "rm" "-f" "e52bd3dbf3d0618513f28566701caa3fd45934c4e4c02e2de58e821b4774a00d"`
[INFO] [stdout] e52bd3dbf3d0618513f28566701caa3fd45934c4e4c02e2de58e821b4774a00d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4ef78c1685fed5b2bf9cd64f6a196c1fa6cc4f2a90419779729b52ff1958659
[INFO] running `"docker" "start" "-a" "e4ef78c1685fed5b2bf9cd64f6a196c1fa6cc4f2a90419779729b52ff1958659"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling ngt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `"docker" "inspect" "e4ef78c1685fed5b2bf9cd64f6a196c1fa6cc4f2a90419779729b52ff1958659"`
[INFO] running `"docker" "rm" "-f" "e4ef78c1685fed5b2bf9cd64f6a196c1fa6cc4f2a90419779729b52ff1958659"`
[INFO] [stdout] e4ef78c1685fed5b2bf9cd64f6a196c1fa6cc4f2a90419779729b52ff1958659
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1bd12c0d9d4e234cf839567e98293f611d8301f7af0cd63d1f301de6a69887fb
[INFO] running `"docker" "start" "-a" "1bd12c0d9d4e234cf839567e98293f611d8301f7af0cd63d1f301de6a69887fb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ngt-d48731a49bab10a4
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test optim::tests::test_graph_optimizer ... ignored
[INFO] [stdout] test optim::tests::test_optimize_edges_number ... ignored
[INFO] [stdout] test index::tests::test_batch ... ok
[INFO] [stdout] test index::tests::test_basics ... ok
[INFO] [stdout] test optim::tests::test_refine_anng ... ok
[INFO] [stdout] test index::tests::test_multithreaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ngt
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 12) ... ok
[INFO] [stdout] test src/lib.rs -  (line 32) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 32) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Error("Read-only file system (os error 30)")
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 32)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "1bd12c0d9d4e234cf839567e98293f611d8301f7af0cd63d1f301de6a69887fb"`
[INFO] running `"docker" "rm" "-f" "1bd12c0d9d4e234cf839567e98293f611d8301f7af0cd63d1f301de6a69887fb"`
[INFO] [stdout] 1bd12c0d9d4e234cf839567e98293f611d8301f7af0cd63d1f301de6a69887fb