[INFO] crate prometheus 0.7.0 is already in cache
[INFO] extracting crate prometheus 0.7.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/prometheus/0.7.0
[INFO] extracting crate prometheus 0.7.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prometheus/0.7.0
[INFO] validating manifest of prometheus-0.7.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of prometheus-0.7.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing prometheus-0.7.0
[INFO] finished frobbing prometheus-0.7.0
[INFO] frobbed toml for prometheus-0.7.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/prometheus/0.7.0/Cargo.toml
[INFO] started frobbing prometheus-0.7.0
[INFO] finished frobbing prometheus-0.7.0
[INFO] frobbed toml for prometheus-0.7.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prometheus/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing prometheus-0.7.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prometheus/0.7.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1105c4d6ac879e049a3ad817c906de9871c5dc036fe803534d4636a45acd4f30
[INFO] running `"docker" "start" "-a" "1105c4d6ac879e049a3ad817c906de9871c5dc036fe803534d4636a45acd4f30"`
[INFO] [stderr]    Compiling prometheus v0.7.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `"docker" "inspect" "1105c4d6ac879e049a3ad817c906de9871c5dc036fe803534d4636a45acd4f30"`
[INFO] running `"docker" "rm" "-f" "1105c4d6ac879e049a3ad817c906de9871c5dc036fe803534d4636a45acd4f30"`
[INFO] [stdout] 1105c4d6ac879e049a3ad817c906de9871c5dc036fe803534d4636a45acd4f30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prometheus/0.7.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] da10d2a14b6202bdb2c6ec72bcb1aef2d1db6d2e54dd2d2f08d903244a7edf77
[INFO] running `"docker" "start" "-a" "da10d2a14b6202bdb2c6ec72bcb1aef2d1db6d2e54dd2d2f08d903244a7edf77"`
[INFO] [stderr]    Compiling prometheus v0.7.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.44s
[INFO] running `"docker" "inspect" "da10d2a14b6202bdb2c6ec72bcb1aef2d1db6d2e54dd2d2f08d903244a7edf77"`
[INFO] running `"docker" "rm" "-f" "da10d2a14b6202bdb2c6ec72bcb1aef2d1db6d2e54dd2d2f08d903244a7edf77"`
[INFO] [stdout] da10d2a14b6202bdb2c6ec72bcb1aef2d1db6d2e54dd2d2f08d903244a7edf77
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prometheus/0.7.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 178b846309bc816ee39bb7bab361ee7390e8ab924d0e107c2722d93c17960b6c
[INFO] running `"docker" "start" "-a" "178b846309bc816ee39bb7bab361ee7390e8ab924d0e107c2722d93c17960b6c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prometheus-327a97c55ac2b907
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test atomic64::test::test_atomic_u64 ... ok
[INFO] [stdout] test atomic64::test::test_atomic_i64 ... ok
[INFO] [stdout] test counter::tests::test_counter ... ok
[INFO] [stdout] test counter::tests::test_counter_vec_with_label_values ... ok
[INFO] [stdout] test atomic64::test::test_atomic_f64 ... ok
[INFO] [stdout] test counter::tests::test_counter_vec_with_labels ... ok
[INFO] [stdout] test counter::tests::test_int_local_counter ... ok
[INFO] [stdout] test counter::tests::test_counter_vec_local ... ok
[INFO] [stdout] test counter::tests::test_int_counter ... ok
[INFO] [stdout] test counter::tests::test_int_counter_vec ... ok
[INFO] [stdout] test desc::tests::test_invalid_const_label_name ... ok
[INFO] [stdout] test desc::tests::test_invalid_metric_name ... ok
[INFO] [stdout] test counter::tests::test_local_counter ... 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 encoder::pb::tests::test_protobuf_encoder ... ok
[INFO] [stdout] test counter::tests::test_int_counter_vec_local ... ok
[INFO] [stdout] test desc::tests::test_invalid_variable_label_name ... ok
[INFO] [stdout] test encoder::text::tests::test_ecape_string ... ok
[INFO] [stdout] test encoder::tests::test_bad_text_metrics ... ok
[INFO] [stdout] test encoder::text::tests::test_text_encoder ... ok
[INFO] [stdout] test encoder::tests::test_bad_proto_metrics ... ok
[INFO] [stdout] test encoder::text::tests::test_text_encoder_histogram ... 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_buckets_functions ... ok
[INFO] [stdout] test histogram::tests::test_buckets_invalidation ... ok
[INFO] [stdout] test histogram::tests::test_duration_to_seconds ... ok
[INFO] [stdout] test histogram::tests::test_histogram_local ... ok
[INFO] [stdout] test gauge::tests::test_gauge ... ok
[INFO] [stdout] test histogram::tests::test_histogram_vec_local ... ok
[INFO] [stdout] test histogram::tests::test_histogram_vec_with_label_values ... 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 metrics::tests::test_label_cmp ... ok
[INFO] [stdout] test registry::tests::test_prune_empty_metric_family ... ok
[INFO] [stdout] test registry::tests::test_register_multiplecollector ... ok
[INFO] [stdout] test registry::tests::test_with_labels_gather ... ok
[INFO] [stdout] test registry::tests::test_gather_order ... 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 registry::tests::test_registry ... 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 vec::tests::test_vec_get_metric_with ... ok
[INFO] [stdout] test vec::tests::test_gauge_vec_with_labels ... 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] [stderr]    Doc-tests prometheus
[INFO] [stdout] test histogram::tests::test_histogram ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/macros.rs - register_counter (line 156) ... ok
[INFO] [stdout] test src/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/macros.rs - labels (line 18) ... ok
[INFO] [stdout] test src/macros.rs - histogram_opts (line 108) ... ok
[INFO] [stdout] test src/macros.rs - opts (line 62) ... ok
[INFO] [stdout] test src/macros.rs - register_counter_vec (line 210) ... ok
[INFO] [stdout] test src/lib.rs -  (line 55) ... ok
[INFO] [stdout] test src/lib.rs -  (line 73) ... ok
[INFO] [stdout] test src/macros.rs - register_gauge (line 259) ... ok
[INFO] [stdout] test src/macros.rs - register_gauge_vec (line 308) ... ok
[INFO] [stdout] test src/macros.rs - register_histogram (line 348) ... ok
[INFO] [stdout] test src/macros.rs - register_histogram_vec (line 384) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "178b846309bc816ee39bb7bab361ee7390e8ab924d0e107c2722d93c17960b6c"`
[INFO] running `"docker" "rm" "-f" "178b846309bc816ee39bb7bab361ee7390e8ab924d0e107c2722d93c17960b6c"`
[INFO] [stdout] 178b846309bc816ee39bb7bab361ee7390e8ab924d0e107c2722d93c17960b6c