[INFO] fetching crate prometheus 0.12.0... [INFO] testing prometheus-0.12.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] extracting crate prometheus 0.12.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate prometheus 0.12.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80e3ea5bcdfc842a1b71731fdbf70f4e4431ab64f3039e143042c0af7373e29f [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" "80e3ea5bcdfc842a1b71731fdbf70f4e4431ab64f3039e143042c0af7373e29f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80e3ea5bcdfc842a1b71731fdbf70f4e4431ab64f3039e143042c0af7373e29f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80e3ea5bcdfc842a1b71731fdbf70f4e4431ab64f3039e143042c0af7373e29f", kill_on_drop: false }` [INFO] [stdout] 80e3ea5bcdfc842a1b71731fdbf70f4e4431ab64f3039e143042c0af7373e29f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c2bd47ecb2c04141e2d93b3a722f5b4f12087f738401fc9f2e4acc1723a43dd7 [INFO] running `Command { std: "docker" "start" "-a" "c2bd47ecb2c04141e2d93b3a722f5b4f12087f738401fc9f2e4acc1723a43dd7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.87 [INFO] [stderr] Compiling syn v1.0.61 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling protobuf v2.22.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling prometheus v0.12.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.80s [INFO] running `Command { std: "docker" "inspect" "c2bd47ecb2c04141e2d93b3a722f5b4f12087f738401fc9f2e4acc1723a43dd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2bd47ecb2c04141e2d93b3a722f5b4f12087f738401fc9f2e4acc1723a43dd7", kill_on_drop: false }` [INFO] [stdout] c2bd47ecb2c04141e2d93b3a722f5b4f12087f738401fc9f2e4acc1723a43dd7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da79f88f2ab56a88c33ac5790de65efa876513f00c55afc1900356bddac1f943 [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" "da79f88f2ab56a88c33ac5790de65efa876513f00c55afc1900356bddac1f943", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling plotters-backend v0.3.0 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling httpdate v0.3.2 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling plotters-svg v0.3.0 [INFO] [stderr] Compiling http v0.2.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling mio v0.7.9 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling tracing v0.1.25 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling plotters v0.3.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling http-body v0.4.0 [INFO] [stderr] Compiling pin-project v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling bstr v0.2.15 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling tinytemplate v1.2.1 [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 56.10s [INFO] running `Command { std: "docker" "inspect" "da79f88f2ab56a88c33ac5790de65efa876513f00c55afc1900356bddac1f943", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da79f88f2ab56a88c33ac5790de65efa876513f00c55afc1900356bddac1f943", kill_on_drop: false }` [INFO] [stdout] da79f88f2ab56a88c33ac5790de65efa876513f00c55afc1900356bddac1f943 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 28f1646958894aa2f000355d03e62dc33ebd99c9e068f8b0f4bd998bcfc0309f [INFO] running `Command { std: "docker" "start" "-a" "28f1646958894aa2f000355d03e62dc33ebd99c9e068f8b0f4bd998bcfc0309f", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/prometheus-1e871d0bee834413) [INFO] [stdout] [INFO] [stdout] running 56 tests [INFO] [stdout] test atomic64::test::test_atomic_i64 ... ok [INFO] [stdout] test atomic64::test::test_atomic_u64 ... ok [INFO] [stdout] test atomic64::test::test_atomic_f64 ... ok [INFO] [stdout] test counter::tests::test_counter ... ok [INFO] [stdout] test counter::tests::test_int_counter ... ok [INFO] [stdout] test counter::tests::test_counter_vec_with_label_values ... ok [INFO] [stdout] test counter::tests::test_int_counter_vec ... ok [INFO] [stdout] test counter::tests::test_counter_vec_with_labels ... ok [INFO] [stdout] test counter::tests::test_int_counter_vec_local ... ok [INFO] [stdout] test counter::tests::test_local_counter ... ok [INFO] [stdout] test counter::tests::test_int_local_counter ... ok [INFO] [stdout] test desc::tests::test_invalid_variable_label_name ... ok [INFO] [stdout] test desc::tests::test_invalid_const_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 desc::tests::test_invalid_metric_name ... ok [INFO] [stdout] test encoder::pb::tests::test_protobuf_encoder ... ok [INFO] [stdout] test encoder::text::tests::test_escape_string ... ok [INFO] [stdout] test gauge::tests::test_gauge ... ok [INFO] [stdout] test gauge::tests::test_gauge_vec_with_label_values ... ok [INFO] [stdout] test gauge::tests::test_gauge_vec_with_labels ... ok [INFO] [stdout] test histogram::tests::test_duration_to_seconds ... ok [INFO] [stdout] test encoder::text::tests::test_text_encoder ... ok [INFO] [stdout] test histogram::tests::test_histogram_local ... ok [INFO] [stdout] test histogram::tests::test_histogram_vec_with_opts_buckets ... ok [INFO] [stdout] test histogram::tests::test_histogram_vec_local ... ok [INFO] [stdout] test metrics::tests::test_build_fq_name ... ok [INFO] [stdout] test metrics::tests::test_different_generic_types ... ok [INFO] [stdout] test metrics::tests::test_label_cmp ... ok [INFO] [stdout] test encoder::tests::test_bad_proto_metrics ... ok [INFO] [stdout] test encoder::tests::test_bad_text_metrics ... ok [INFO] [stdout] test registry::tests::test_default_registry ... ok [INFO] [stdout] test registry::tests::test_prune_empty_metric_family ... ok [INFO] [stdout] test histogram::tests::test_histogram_vec_with_label_values ... ok [INFO] [stdout] test encoder::text::tests::test_text_encoder_summary ... ok [INFO] [stdout] test registry::tests::test_register_multiplecollector ... ok [INFO] [stdout] test counter::tests::test_counter_vec_local ... ok [INFO] [stdout] test registry::tests::test_with_prefix_gather ... ok [INFO] [stdout] test registry::tests::test_gather_order ... ok [INFO] [stdout] test timer::tests::test_duration_to_millis ... ok [INFO] [stdout] test registry::tests::test_registry ... ok [INFO] [stdout] test encoder::text::tests::test_text_encoder_histogram ... ok [INFO] [stdout] test histogram::tests::test_buckets_functions ... ok [INFO] [stdout] test histogram::tests::test_buckets_invalidation ... 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 vec::tests::test_gauge_vec_with_label_values ... ok [INFO] [stdout] test histogram::tests::test_error_on_inconsistent_label_cardinality ... ok [INFO] [stdout] test vec::tests::test_gauge_vec_with_labels ... ok [INFO] [stdout] test vec::tests::test_vec_get_metric_with ... ok [INFO] [stdout] test registry::tests::test_with_labels_gather ... ok [INFO] [stdout] test counter::tests::test_counter_negative_inc - should panic ... ok [INFO] [stdout] test counter::tests::test_local_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 4.79s [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-477585129feec44c.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-af21b5d6bddb3af1.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-74d41fd10066a65d.rlib --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-c8d9031ac71c333a.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-83cecdd6e9b57ada.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e7268561e64e0c3d.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-c07c51b0b25b701d.rlib --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-39722e0bcbcfba80.rlib --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-cebdb8a7176e7395.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-53930e95af83b413.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-24b439d0769cad9d.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="protobuf"' --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "28f1646958894aa2f000355d03e62dc33ebd99c9e068f8b0f4bd998bcfc0309f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28f1646958894aa2f000355d03e62dc33ebd99c9e068f8b0f4bd998bcfc0309f", kill_on_drop: false }` [INFO] [stdout] 28f1646958894aa2f000355d03e62dc33ebd99c9e068f8b0f4bd998bcfc0309f