[INFO] fetching crate prometheus-exposition-format-rs 0.1.2...
[INFO] testing prometheus-exposition-format-rs-0.1.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate prometheus-exposition-format-rs 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate prometheus-exposition-format-rs 0.1.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate prometheus-exposition-format-rs 0.1.2
[INFO] finished tweaking crates.io crate prometheus-exposition-format-rs 0.1.2
[INFO] tweaked toml for crates.io crate prometheus-exposition-format-rs 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20b10faf2d93b68697cf1344020c5b806ba294e3dcbf6597cbbcb1d454ba0e31
[INFO] running `"docker" "start" "-a" "20b10faf2d93b68697cf1344020c5b806ba294e3dcbf6597cbbcb1d454ba0e31"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling prometheus-exposition-format-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `"docker" "inspect" "20b10faf2d93b68697cf1344020c5b806ba294e3dcbf6597cbbcb1d454ba0e31"`
[INFO] running `"docker" "rm" "-f" "20b10faf2d93b68697cf1344020c5b806ba294e3dcbf6597cbbcb1d454ba0e31"`
[INFO] [stdout] 20b10faf2d93b68697cf1344020c5b806ba294e3dcbf6597cbbcb1d454ba0e31
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2afc7b28765abab4863e351439c8bf854f246f987d3166fa45e3c835298d732f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2afc7b28765abab4863e351439c8bf854f246f987d3166fa45e3c835298d732f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling prometheus-exposition-format-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `"docker" "inspect" "2afc7b28765abab4863e351439c8bf854f246f987d3166fa45e3c835298d732f"`
[INFO] running `"docker" "rm" "-f" "2afc7b28765abab4863e351439c8bf854f246f987d3166fa45e3c835298d732f"`
[INFO] [stdout] 2afc7b28765abab4863e351439c8bf854f246f987d3166fa45e3c835298d732f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] bf10ba303d5debba3da58781091a1bcd6d96c161a8377d4733a95b6cfb0448c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bf10ba303d5debba3da58781091a1bcd6d96c161a8377d4733a95b6cfb0448c6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prometheus_exposition_format_rs-3ce04bdd6112188d
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_parse_summary ... ok
[INFO] [stdout] test comment::test_other_comment_parser ... ok
[INFO] [stdout] test comment::test_help_parser ... ok
[INFO] [stdout] test test_parse_complete ... ok
[INFO] [stdout] test common::test_empty_line_parser ... ok
[INFO] [stdout] test comment::test_comment_parser ... ok
[INFO] [stdout] test comment::test_type_parser ... ok
[INFO] [stdout] test samples::test_value_parser ... ok
[INFO] [stdout] test common::test_token_parser ... ok
[INFO] [stdout] test samples::test_timestamp_parser ... ok
[INFO] [stdout] test samples::test_tag_value_parser ... ok
[INFO] [stdout] test samples::test_parse_sample_parser ... ok
[INFO] [stdout] test samples::test_labels_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-0373a380691ac268
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_nok_fixture_files ... ok
[INFO] [stdout] test test_ok_fixture_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus-exposition-format-rs
[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" "bf10ba303d5debba3da58781091a1bcd6d96c161a8377d4733a95b6cfb0448c6"`
[INFO] running `"docker" "rm" "-f" "bf10ba303d5debba3da58781091a1bcd6d96c161a8377d4733a95b6cfb0448c6"`
[INFO] [stdout] bf10ba303d5debba3da58781091a1bcd6d96c161a8377d4733a95b6cfb0448c6