[INFO] crate metrics_distributor 0.5.1 is already in cache
[INFO] extracting crate metrics_distributor 0.5.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/metrics_distributor/0.5.1
[INFO] extracting crate metrics_distributor 0.5.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/metrics_distributor/0.5.1
[INFO] validating manifest of metrics_distributor-0.5.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of metrics_distributor-0.5.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing metrics_distributor-0.5.1
[INFO] removed 2 missing examples
[INFO] finished frobbing metrics_distributor-0.5.1
[INFO] frobbed toml for metrics_distributor-0.5.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/metrics_distributor/0.5.1/Cargo.toml
[INFO] started frobbing metrics_distributor-0.5.1
[INFO] removed 2 missing examples
[INFO] finished frobbing metrics_distributor-0.5.1
[INFO] frobbed toml for metrics_distributor-0.5.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/metrics_distributor/0.5.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing metrics_distributor-0.5.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/metrics_distributor/0.5.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] d4066aaf7b91bc07109e13b90a0089da696fee302e7ff9431e618c8c8a300851
[INFO] running `"docker" "start" "-a" "d4066aaf7b91bc07109e13b90a0089da696fee302e7ff9431e618c8c8a300851"`
[INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other example targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a example target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/crater/workdir/examples/http_server.rs
[INFO] [stderr] * /opt/crater/workdir/examples/statsd_server.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]    Compiling metrics_distributor v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/collectors/http.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |         Ok(Response::with((Status::Created)))
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/collectors/statsd.rs:136:29
[INFO] [stderr]     |
[INFO] [stderr] 136 |     let line_trimmed = line.trim_right();
[INFO] [stderr]     |                             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `"docker" "inspect" "d4066aaf7b91bc07109e13b90a0089da696fee302e7ff9431e618c8c8a300851"`
[INFO] running `"docker" "rm" "-f" "d4066aaf7b91bc07109e13b90a0089da696fee302e7ff9431e618c8c8a300851"`
[INFO] [stdout] d4066aaf7b91bc07109e13b90a0089da696fee302e7ff9431e618c8c8a300851
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/metrics_distributor/0.5.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] a616f49895962787bdd4de2b45520a9540798792e735bf8f8e902f9650f66337
[INFO] running `"docker" "start" "-a" "a616f49895962787bdd4de2b45520a9540798792e735bf8f8e902f9650f66337"`
[INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other example targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a example target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/crater/workdir/examples/http_server.rs
[INFO] [stderr] * /opt/crater/workdir/examples/statsd_server.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]    Compiling metrics_distributor v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/collectors/http.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |         Ok(Response::with((Status::Created)))
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/collectors/statsd.rs:136:29
[INFO] [stderr]     |
[INFO] [stderr] 136 |     let line_trimmed = line.trim_right();
[INFO] [stderr]     |                             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `"docker" "inspect" "a616f49895962787bdd4de2b45520a9540798792e735bf8f8e902f9650f66337"`
[INFO] running `"docker" "rm" "-f" "a616f49895962787bdd4de2b45520a9540798792e735bf8f8e902f9650f66337"`
[INFO] [stdout] a616f49895962787bdd4de2b45520a9540798792e735bf8f8e902f9650f66337
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/metrics_distributor/0.5.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] a5f1313c3436b3e80d6d7f7b5b540c9f6ceb716586f52368c59702ba8c85643d
[INFO] running `"docker" "start" "-a" "a5f1313c3436b3e80d6d7f7b5b540c9f6ceb716586f52368c59702ba8c85643d"`
[INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other example targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a example target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/crater/workdir/examples/http_server.rs
[INFO] [stderr] * /opt/crater/workdir/examples/statsd_server.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/metrics_distributor-9b8f1e993b48b85b
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test forwarders::datadog::tests::datadog_forwarder_serializes_metrics ... ok
[INFO] [stdout] test collectors::statsd::tests::handle_line_parses_metrics ... ok
[INFO] [stdout] test parsers::log_line::tests::standard_reader_parses_source ... ok
[INFO] [stdout] test parsers::log_line::tests::standard_reader_reads_count ... ok
[INFO] [stdout] test parsers::log_line::tests::standard_reader_reads_measure ... ok
[INFO] [stdout] test parsers::log_line::tests::standard_reader_reads_measure_with_source ... ok
[INFO] [stdout] test parsers::statsd::tests::it_parse_single_metric ... ok
[INFO] [stdout] test parsers::statsd::tests::it_parses_counter ... ok
[INFO] [stdout] test parsers::statsd::tests::it_parses_counter_with_sample_rate ... ok
[INFO] [stdout] test parsers::statsd::tests::it_parses_gauge ... ok
[INFO] [stdout] test parsers::statsd::tests::it_parses_timer ... ok
[INFO] [stdout] test store::tests::it_records_count ... ok
[INFO] [stdout] test store::tests::it_records_measure ... ok
[INFO] [stdout] test store::tests::it_records_sample ... ok
[INFO] [stdout] test parsers::log_line::tests::heroku_reader_reads_service_times ... ok
[INFO] [stdout] test parsers::log_line::tests::standard_reader_returns_nothing_on_failed_read ... ok
[INFO] [stdout] test parsers::log_line::tests::heroku_reader_reads_runtime_errors ... ok
[INFO] [stdout] test parsers::log_line::tests::standard_reader_reads_sample ... ok
[INFO] [stdout] test parsers::statsd::tests::it_parse_many_metrics ... ok
[INFO] [stdout] test parsers::log_line::tests::heroku_reader_reads_loads ... ok
[INFO] [stdout] test parsers::log_line::tests::heroku_reader_reads_http_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics_distributor
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a5f1313c3436b3e80d6d7f7b5b540c9f6ceb716586f52368c59702ba8c85643d"`
[INFO] running `"docker" "rm" "-f" "a5f1313c3436b3e80d6d7f7b5b540c9f6ceb716586f52368c59702ba8c85643d"`
[INFO] [stdout] a5f1313c3436b3e80d6d7f7b5b540c9f6ceb716586f52368c59702ba8c85643d