[INFO] fetching crate prometheus 0.12.0... [INFO] testing prometheus-0.12.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate prometheus 0.12.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate prometheus 0.12.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate prometheus 0.12.0 [INFO] finished tweaking crates.io crate prometheus 0.12.0 [INFO] tweaked toml for crates.io crate prometheus 0.12.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate prometheus 0.12.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2ba7cda6baef850bf433095163b9499af77c6c7d07873419e4c09e2cf5911e7 [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" "c2ba7cda6baef850bf433095163b9499af77c6c7d07873419e4c09e2cf5911e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2ba7cda6baef850bf433095163b9499af77c6c7d07873419e4c09e2cf5911e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2ba7cda6baef850bf433095163b9499af77c6c7d07873419e4c09e2cf5911e7", kill_on_drop: false }` [INFO] [stdout] c2ba7cda6baef850bf433095163b9499af77c6c7d07873419e4c09e2cf5911e7 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 052a3f000b65d3c759da5b371a8d2d0775bdc02a22d06266bc03e8d514c1009c [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" "052a3f000b65d3c759da5b371a8d2d0775bdc02a22d06266bc03e8d514c1009c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.61 [INFO] [stderr] Compiling protobuf v2.22.0 [INFO] [stderr] Compiling prometheus v0.12.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.45s [INFO] running `Command { std: "docker" "inspect" "052a3f000b65d3c759da5b371a8d2d0775bdc02a22d06266bc03e8d514c1009c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "052a3f000b65d3c759da5b371a8d2d0775bdc02a22d06266bc03e8d514c1009c", kill_on_drop: false }` [INFO] [stdout] 052a3f000b65d3c759da5b371a8d2d0775bdc02a22d06266bc03e8d514c1009c [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd8caeb6d7617b5c684cf01965267c8058dc9a2196883adb426cf2e403b3e149 [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" "fd8caeb6d7617b5c684cf01965267c8058dc9a2196883adb426cf2e403b3e149", kill_on_drop: false }` [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling plotters v0.3.0 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling bstr v0.2.15 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling pin-project v1.0.5 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling hyper v0.14.4 [INFO] [stderr] Compiling criterion v0.3.4 [INFO] [stderr] Compiling prometheus v0.12.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 30.25s [INFO] running `Command { std: "docker" "inspect" "fd8caeb6d7617b5c684cf01965267c8058dc9a2196883adb426cf2e403b3e149", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd8caeb6d7617b5c684cf01965267c8058dc9a2196883adb426cf2e403b3e149", kill_on_drop: false }` [INFO] [stdout] fd8caeb6d7617b5c684cf01965267c8058dc9a2196883adb426cf2e403b3e149 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e42f98bef7ea77270f440bb3c68404f22ba586b01cef1bfa86be5d4d59721f6c [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" "e42f98bef7ea77270f440bb3c68404f22ba586b01cef1bfa86be5d4d59721f6c", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/prometheus-6d47ecd890b501fe) [INFO] [stdout] [INFO] [stdout] running 56 tests [INFO] [stdout] test atomic64::test::test_atomic_f64 ... ok [INFO] [stdout] test atomic64::test::test_atomic_i64 ... ok [INFO] [stdout] test counter::tests::test_int_local_counter ... ok [INFO] [stdout] test counter::tests::test_local_counter ... ok [INFO] [stdout] test counter::tests::test_counter_vec_with_labels ... ok [INFO] [stdout] test counter::tests::test_int_counter ... ok [INFO] [stdout] test desc::tests::test_invalid_variable_label_name ... ok [INFO] [stdout] test desc::tests::test_is_valid_label_name ... ok [INFO] [stdout] test desc::tests::test_is_valid_metric_name ... ok [INFO] [stdout] test counter::tests::test_counter_vec_local ... ok [INFO] [stdout] test counter::tests::test_int_counter_vec ... ok [INFO] [stdout] test counter::tests::test_counter_vec_with_label_values ... ok [INFO] [stdout] test encoder::text::tests::test_text_encoder ... ok [INFO] [stdout] test counter::tests::test_int_counter_vec_local ... ok [INFO] [stdout] test encoder::text::tests::test_text_encoder_summary ... ok [INFO] [stdout] test encoder::text::tests::test_text_encoder_histogram ... ok [INFO] [stdout] test encoder::tests::test_bad_proto_metrics ... ok [INFO] [stdout] test atomic64::test::test_atomic_u64 ... ok [INFO] [stdout] test counter::tests::test_counter ... ok [INFO] [stdout] test encoder::pb::tests::test_protobuf_encoder ... ok [INFO] [stdout] test gauge::tests::test_gauge_vec_with_label_values ... ok [INFO] [stdout] test histogram::tests::test_buckets_functions ... ok [INFO] [stdout] test histogram::tests::test_histogram_vec_local ... ok [INFO] [stdout] test histogram::tests::test_buckets_invalidation ... ok [INFO] [stdout] test gauge::tests::test_gauge ... ok [INFO] [stdout] test histogram::tests::test_histogram_vec_with_label_values ... ok [INFO] [stdout] test gauge::tests::test_gauge_vec_with_labels ... ok [INFO] [stdout] test histogram::tests::test_histogram_vec_with_opts_buckets ... ok [INFO] [stdout] test metrics::tests::test_build_fq_name ... ok [INFO] [stdout] test registry::tests::test_default_registry ... ok [INFO] [stdout] test registry::tests::test_prune_empty_metric_family ... ok [INFO] [stdout] test metrics::tests::test_different_generic_types ... ok [INFO] [stdout] test metrics::tests::test_label_cmp ... ok [INFO] [stdout] test registry::tests::test_with_labels_gather ... ok [INFO] [stdout] test registry::tests::test_gather_order ... ok [INFO] [stdout] test desc::tests::test_invalid_metric_name ... ok [INFO] [stdout] test desc::tests::test_invalid_const_label_name ... ok [INFO] [stdout] test registry::tests::test_register_multiplecollector ... ok [INFO] [stdout] test histogram::tests::test_duration_to_seconds ... ok [INFO] [stdout] test timer::tests::test_duration_to_millis ... ok [INFO] [stdout] test vec::tests::test_gauge_vec_with_labels ... ok [INFO] [stdout] test vec::tests::test_gauge_vec_with_label_values ... ok [INFO] [stdout] test histogram::tests::test_histogram_local ... ok [INFO] [stdout] test histogram::tests::test_error_on_inconsistent_label_cardinality ... ok [INFO] [stdout] test vec::tests::test_vec_get_metric_with ... ok [INFO] [stdout] test registry::tests::test_registry ... ok [INFO] [stdout] test encoder::text::tests::test_escape_string ... ok [INFO] [stdout] test encoder::tests::test_bad_text_metrics ... ok [INFO] [stdout] test registry::tests::test_with_prefix_gather ... ok [INFO] [stdout] test vec::tests::test_counter_vec_with_label_values ... ok [INFO] [stdout] test vec::tests::test_counter_vec_with_labels ... ok [INFO] [stdout] test counter::tests::test_local_counter_negative_inc - should panic ... ok [INFO] [stdout] test counter::tests::test_counter_negative_inc - should panic ... ok [INFO] [stdout] test timer::tests::test_time_update ... ok [INFO] [stdout] test histogram::tests::test_histogram ... ok [INFO] [stdout] test histogram::tests::atomic_observe_across_collects ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.51s [INFO] [stdout] [INFO] [stderr] Doc-tests prometheus [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name prometheus --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dece450273084492.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-5933e0f6469f0426.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-d1dc8bedb5ffcb44.rlib --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-ffe37d646c4ac1c7.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-126d566db809d939.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e16668cc5a7251cd.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-63e1a138f6d076ea.rlib --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-91bda6f7e05b8d94.rlib --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-de9c185964b9e55c.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-2beeff757b46a97a.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c5fa87927be64b52.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="protobuf"' --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "e42f98bef7ea77270f440bb3c68404f22ba586b01cef1bfa86be5d4d59721f6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e42f98bef7ea77270f440bb3c68404f22ba586b01cef1bfa86be5d4d59721f6c", kill_on_drop: false }` [INFO] [stdout] e42f98bef7ea77270f440bb3c68404f22ba586b01cef1bfa86be5d4d59721f6c