[INFO] fetching crate prometheus 0.10.0...
[INFO] testing prometheus-0.10.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate prometheus 0.10.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prometheus 0.10.0 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 prometheus 0.10.0
[INFO] finished tweaking crates.io crate prometheus 0.10.0
[INFO] tweaked toml for crates.io crate prometheus 0.10.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate prometheus 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bd11ef7154290beadea4175afc2aa3734c3d8ef7a87c7876e6f7081302b5b2f
[INFO] running `Command { std: "docker" "start" "-a" "6bd11ef7154290beadea4175afc2aa3734c3d8ef7a87c7876e6f7081302b5b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd11ef7154290beadea4175afc2aa3734c3d8ef7a87c7876e6f7081302b5b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd11ef7154290beadea4175afc2aa3734c3d8ef7a87c7876e6f7081302b5b2f", kill_on_drop: false }`
[INFO] [stdout] 6bd11ef7154290beadea4175afc2aa3734c3d8ef7a87c7876e6f7081302b5b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] caee4e6b79a508e52743d28b1800f5e69c2a6e78aecce37cd0a659c2e1f6c82e
[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" "caee4e6b79a508e52743d28b1800f5e69c2a6e78aecce37cd0a659c2e1f6c82e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling protobuf v2.10.2
[INFO] [stderr]    Compiling prometheus v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.88s
[INFO] running `Command { std: "docker" "inspect" "caee4e6b79a508e52743d28b1800f5e69c2a6e78aecce37cd0a659c2e1f6c82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caee4e6b79a508e52743d28b1800f5e69c2a6e78aecce37cd0a659c2e1f6c82e", kill_on_drop: false }`
[INFO] [stdout] caee4e6b79a508e52743d28b1800f5e69c2a6e78aecce37cd0a659c2e1f6c82e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ff4b3d533132ff8436dd23ef6da64bc7cb1ce28ea309f05dc69788bdc1808187
[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" "ff4b3d533132ff8436dd23ef6da64bc7cb1ce28ea309f05dc69788bdc1808187", 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 futures-core v0.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling h2 v0.2.2
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling prometheus v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.06s
[INFO] running `Command { std: "docker" "inspect" "ff4b3d533132ff8436dd23ef6da64bc7cb1ce28ea309f05dc69788bdc1808187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4b3d533132ff8436dd23ef6da64bc7cb1ce28ea309f05dc69788bdc1808187", kill_on_drop: false }`
[INFO] [stdout] ff4b3d533132ff8436dd23ef6da64bc7cb1ce28ea309f05dc69788bdc1808187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7dd6790bbbc2d1bbba4af47770e34e774a3c146994fdf20714d2388cae9373f7
[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" "7dd6790bbbc2d1bbba4af47770e34e774a3c146994fdf20714d2388cae9373f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prometheus-ec99e1a9acd41c2b
[INFO] [stdout] 
[INFO] [stdout] running 58 tests
[INFO] [stdout] test atomic64::test::test_atomic_i64 ... ok
[INFO] [stdout] test counter::tests::test_counter ... ok
[INFO] [stdout] test atomic64::test::test_atomic_f64 ... ok
[INFO] [stdout] test counter::tests::test_int_local_counter ... ok
[INFO] [stdout] test counter::tests::test_counter_vec_with_label_values ... ok
[INFO] [stdout] test counter::tests::test_counter_vec_with_labels ... ok
[INFO] [stdout] test desc::tests::test_invalid_metric_name ... ok
[INFO] [stdout] test counter::tests::test_int_counter_vec_local ... ok
[INFO] [stdout] test desc::tests::test_invalid_const_label_name ... ok
[INFO] [stdout] test counter::tests::test_local_counter ... ok
[INFO] [stdout] test desc::tests::test_invalid_variable_label_name ... ok
[INFO] [stdout] test atomic64::test::test_atomic_u64 ... ok
[INFO] [stdout] test counter::tests::test_int_counter_vec ... ok
[INFO] [stdout] test counter::tests::test_counter_vec_local ... ok
[INFO] [stdout] test counter::tests::test_int_counter ... ok
[INFO] [stdout] test desc::tests::test_is_valid_label_name ... ok
[INFO] [stdout] test encoder::tests::test_bad_text_metrics ... ok
[INFO] [stdout] test encoder::text::tests::test_text_encoder_summary ... ok
[INFO] [stdout] test encoder::text::tests::test_escape_string ... ok
[INFO] [stdout] test encoder::text::tests::test_text_encoder ... ok
[INFO] [stdout] test encoder::text::tests::test_text_encoder_histogram ... ok
[INFO] [stdout] test desc::tests::test_is_valid_metric_name ... ok
[INFO] [stdout] test gauge::tests::test_gauge ... ok
[INFO] [stdout] test encoder::tests::test_bad_proto_metrics ... ok
[INFO] [stdout] test gauge::tests::test_gauge_vec_with_label_values ... ok
[INFO] [stdout] test encoder::pb::tests::test_protobuf_encoder ... ok
[INFO] [stdout] test histogram::tests::test_buckets_invalidation ... ok
[INFO] [stdout] test histogram::tests::test_histogram_vec_local ... ok
[INFO] [stdout] test histogram::tests::test_error_on_inconsistent_label_cardinality ... ok
[INFO] [stdout] test histogram::tests::test_histogram_local ... ok
[INFO] [stdout] test gauge::tests::test_gauge_vec_with_labels ... ok
[INFO] [stdout] test histogram::tests::test_histogram_vec_with_label_values ... ok
[INFO] [stdout] test histogram::tests::test_duration_to_seconds ... ok
[INFO] [stdout] test histogram::tests::test_buckets_functions ... ok
[INFO] [stdout] test registry::tests::test_default_registry ... ok
[INFO] [stdout] test registry::tests::test_gather_order ... ok
[INFO] [stdout] test registry::tests::test_register_multiplecollector ... ok
[INFO] [stdout] test histogram::tests::test_histogram_vec_with_opts_buckets ... ok
[INFO] [stdout] test registry::tests::test_prune_empty_metric_family ... ok
[INFO] [stdout] test metrics::tests::test_build_fq_name ... ok
[INFO] [stdout] test metrics::tests::test_different_generic_types ... ok
[INFO] [stdout] test registry::tests::test_registry ... ok
[INFO] [stdout] test metrics::tests::test_label_cmp ... ok
[INFO] [stdout] test vec::tests::test_counter_vec_with_label_values ... ok
[INFO] [stdout] test timer::tests::test_duration_to_millis ... ok
[INFO] [stdout] test registry::tests::test_with_prefix_gather ... ok
[INFO] [stdout] test vec::tests::test_gauge_vec_with_label_values ... ok
[INFO] [stdout] test vec::tests::test_gauge_vec_with_labels ... ok
[INFO] [stdout] test vec::tests::test_counter_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 ... ok
[INFO] [stdout] test counter::tests::test_int_counter_negative_inc ... ok
[INFO] [stdout] test counter::tests::test_int_local_counter_negative_inc ... ok
[INFO] [stdout] test counter::tests::test_local_counter_negative_inc ... 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. 58 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus
[INFO] [stdout] 
[INFO] [stdout] running 12 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 --test /opt/rustwide/workdir/src/lib.rs --crate-name prometheus -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="default"' --cfg 'feature="protobuf"' --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-d2033c938d1688fd.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-f34a80f1f2884e58.rlib --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-d0660abbfe1de43e.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-3493f51c709ea4b1.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bf21cfb31a9e28ca.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-f2ed7f6a60d4d026.rlib --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-f4858535164a9b57.rlib --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-5cc0d0158a6a0326.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-cba065be6816469b.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-828ce8537c2488be.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-05104bd15f0aee59.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7dd6790bbbc2d1bbba4af47770e34e774a3c146994fdf20714d2388cae9373f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd6790bbbc2d1bbba4af47770e34e774a3c146994fdf20714d2388cae9373f7", kill_on_drop: false }`
[INFO] [stdout] 7dd6790bbbc2d1bbba4af47770e34e774a3c146994fdf20714d2388cae9373f7
