[INFO] crate prometheus_exporter_base 0.4.0 is already in cache
[INFO] extracting crate prometheus_exporter_base 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/prometheus_exporter_base/0.4.0
[INFO] extracting crate prometheus_exporter_base 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prometheus_exporter_base/0.4.0
[INFO] validating manifest of prometheus_exporter_base-0.4.0 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_exporter_base-0.4.0 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_exporter_base-0.4.0
[INFO] finished frobbing prometheus_exporter_base-0.4.0
[INFO] frobbed toml for prometheus_exporter_base-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/prometheus_exporter_base/0.4.0/Cargo.toml
[INFO] started frobbing prometheus_exporter_base-0.4.0
[INFO] finished frobbing prometheus_exporter_base-0.4.0
[INFO] frobbed toml for prometheus_exporter_base-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prometheus_exporter_base/0.4.0/Cargo.toml
[INFO] crate prometheus_exporter_base-0.4.0 already has a lockfile, it will not be regenerated
[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_exporter_base-0.4.0 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-3/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_exporter_base/0.4.0:/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] 5e4e35ecc44b6e57103a36e3ddbf81969fb4c6f6cf1295dcdbf36397fc2b9b41
[INFO] running `"docker" "start" "-a" "5e4e35ecc44b6e57103a36e3ddbf81969fb4c6f6cf1295dcdbf36397fc2b9b41"`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling futures v0.1.27
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling backtrace v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling string v0.2.0
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.24
[INFO] [stderr]    Compiling sct v0.5.0
[INFO] [stderr]    Compiling webpki v0.19.1
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling ct-logs v0.5.1
[INFO] [stderr]    Compiling rustls v0.15.2
[INFO] [stderr]    Compiling webpki-roots v0.16.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tokio-rustls v0.9.3
[INFO] [stderr]    Compiling hyper-rustls v0.16.1
[INFO] [stderr]    Compiling prometheus_exporter_base v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "5e4e35ecc44b6e57103a36e3ddbf81969fb4c6f6cf1295dcdbf36397fc2b9b41"`
[INFO] running `"docker" "rm" "-f" "5e4e35ecc44b6e57103a36e3ddbf81969fb4c6f6cf1295dcdbf36397fc2b9b41"`
[INFO] [stdout] 5e4e35ecc44b6e57103a36e3ddbf81969fb4c6f6cf1295dcdbf36397fc2b9b41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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_exporter_base/0.4.0:/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] 893682ce3839d102d6fb0eb62eb5125847a247f8c4b89a0786fc3d84be27d8ce
[INFO] running `"docker" "start" "-a" "893682ce3839d102d6fb0eb62eb5125847a247f8c4b89a0786fc3d84be27d8ce"`
[INFO] [stderr]    Compiling prometheus_exporter_base v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> examples/folder_size.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> examples/folder_size.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `"docker" "inspect" "893682ce3839d102d6fb0eb62eb5125847a247f8c4b89a0786fc3d84be27d8ce"`
[INFO] running `"docker" "rm" "-f" "893682ce3839d102d6fb0eb62eb5125847a247f8c4b89a0786fc3d84be27d8ce"`
[INFO] [stdout] 893682ce3839d102d6fb0eb62eb5125847a247f8c4b89a0786fc3d84be27d8ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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_exporter_base/0.4.0:/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] 96259b5cfeb40568ede5d1c26b413dbc9fc2a77a5bfd422bb0de5a215283a0e2
[INFO] running `"docker" "start" "-a" "96259b5cfeb40568ede5d1c26b413dbc9fc2a77a5bfd422bb0de5a215283a0e2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prometheus_exporter_base-fdf44aa54b7cb660
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test render_to_prometheus::tests::test_header ... ok
[INFO] [stdout] test metric_type::tests::test_try_from_ok ... ok
[INFO] [stdout] test metric_type::tests::test_display ... ok
[INFO] [stdout] test metric_type::tests::test_as_ref ... ok
[INFO] [stdout] test render_to_prometheus::tests::test_no_labels ... ok
[INFO] [stdout] test render_to_prometheus::tests::test_labels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus_exporter_base
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/render_to_prometheus.rs - render_to_prometheus::PrometheusMetric::render_sample (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "96259b5cfeb40568ede5d1c26b413dbc9fc2a77a5bfd422bb0de5a215283a0e2"`
[INFO] running `"docker" "rm" "-f" "96259b5cfeb40568ede5d1c26b413dbc9fc2a77a5bfd422bb0de5a215283a0e2"`
[INFO] [stdout] 96259b5cfeb40568ede5d1c26b413dbc9fc2a77a5bfd422bb0de5a215283a0e2