[INFO] fetching crate prom-write 0.2.1...
[INFO] testing prom-write-0.2.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate prom-write 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate prom-write 0.2.1
[INFO] finished tweaking crates.io crate prom-write 0.2.1
[INFO] tweaked toml for crates.io crate prom-write 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prom-write 0.2.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prom-write 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus-parse v0.2.4
[INFO] [stderr]   Downloaded prometheus_remote_write v0.2.1
[INFO] [stderr]   Downloaded ureq v2.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fba5c908298e06010c1dfcaa366295b0d1ff354fe490f37f2748ddfb7f44c4d
[INFO] running `Command { std: "docker" "start" "-a" "2fba5c908298e06010c1dfcaa366295b0d1ff354fe490f37f2748ddfb7f44c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fba5c908298e06010c1dfcaa366295b0d1ff354fe490f37f2748ddfb7f44c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fba5c908298e06010c1dfcaa366295b0d1ff354fe490f37f2748ddfb7f44c4d", kill_on_drop: false }`
[INFO] [stdout] 2fba5c908298e06010c1dfcaa366295b0d1ff354fe490f37f2748ddfb7f44c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77241a66371187f90db89ce99a648dfc407374ab079845d91f8921cde1a1bff5
[INFO] running `Command { std: "docker" "start" "-a" "77241a66371187f90db89ce99a648dfc407374ab079845d91f8921cde1a1bff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling webpki-roots v0.25.2
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling prost-derive v0.12.1
[INFO] [stderr]    Compiling prost v0.12.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling prometheus-parse v0.2.4
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling prometheus_remote_write v0.2.1
[INFO] [stderr]    Compiling ureq v2.8.0
[INFO] [stderr]    Compiling prom-write v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.99s
[INFO] running `Command { std: "docker" "inspect" "77241a66371187f90db89ce99a648dfc407374ab079845d91f8921cde1a1bff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77241a66371187f90db89ce99a648dfc407374ab079845d91f8921cde1a1bff5", kill_on_drop: false }`
[INFO] [stdout] 77241a66371187f90db89ce99a648dfc407374ab079845d91f8921cde1a1bff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a69b83d3c590600dbc168a257aab496e680b856e67144b5f29090b74084a12cc
[INFO] running `Command { std: "docker" "start" "-a" "a69b83d3c590600dbc168a257aab496e680b856e67144b5f29090b74084a12cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling prom-write v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "a69b83d3c590600dbc168a257aab496e680b856e67144b5f29090b74084a12cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69b83d3c590600dbc168a257aab496e680b856e67144b5f29090b74084a12cc", kill_on_drop: false }`
[INFO] [stdout] a69b83d3c590600dbc168a257aab496e680b856e67144b5f29090b74084a12cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77d855853dab564db504c042303036b0c69d89231503a2b8e7d06982051fa69e
[INFO] running `Command { std: "docker" "start" "-a" "77d855853dab564db504c042303036b0c69d89231503a2b8e7d06982051fa69e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prom_write-6ebe864cf9cd2839)
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test tests::test_parse_autodetect_counter_type ... ok
[INFO] [stdout] test tests::test_parse_empty_header_key ... ok
[INFO] [stdout] test tests::test_parse_args_metric_full_long ... ok
[INFO] [stdout] test tests::test_parse_args_file_sparse_short ... ok
[INFO] [stdout] test tests::test_parse_args_file_full_short ... ok
[INFO] [stdout] test tests::test_parse_args_metric_full_short ... ok
[INFO] [stdout] test tests::test_parse_args_metric_sparse_short ... ok
[INFO] [stdout] test tests::test_parse_file_once ... ok
[INFO] [stdout] test tests::test_parse_file_full_long ... ok
[INFO] [stdout] test tests::test_parse_header_arg_without_value ... ok
[INFO] [stdout] test tests::test_parse_header_name_invalid ... ok
[INFO] [stdout] test tests::test_parse_help ... ok
[INFO] [stdout] test tests::test_parse_file_with_metric_args ... ok
[INFO] [stdout] test tests::test_parse_header_without_eq ... ok
[INFO] [stdout] test tests::test_parse_label_empty_key ... ok
[INFO] [stdout] test tests::test_parse_label_empty_value ... ok
[INFO] [stdout] test tests::test_parse_label_without_value ... ok
[INFO] [stdout] test tests::test_parse_label_no_key_value ... ok
[INFO] [stdout] test tests::test_parse_metric_with_missing_args ... ok
[INFO] [stdout] test tests::test_parse_name_once ... ok
[INFO] [stdout] test tests::test_parse_missing_url ... ok
[INFO] [stdout] test tests::test_parse_type_once ... ok
[INFO] [stdout] test tests::test_parse_name_without_value ... ok
[INFO] [stdout] test tests::test_parse_type_histogram ... ok
[INFO] [stdout] test tests::test_parse_invalid_header_value ... ok
[INFO] [stdout] test tests::test_parse_type_without_value ... ok
[INFO] [stdout] test tests::test_parse_name_with_empty_value ... ok
[INFO] [stdout] test tests::test_parse_unknown_type ... ok
[INFO] [stdout] test tests::test_parse_url_arg_only_once ... ok
[INFO] [stdout] test tests::test_parse_url_invalid ... ok
[INFO] [stdout] test tests::test_parse_value_not_a_number ... ok
[INFO] [stdout] test tests::test_parse_unknown_argument ... ok
[INFO] [stdout] test tests::test_parse_url_without_value ... ok
[INFO] [stdout] test tests::test_parse_value_once ... ok
[INFO] [stdout] test tests::test_parse_value_without_value ... ok
[INFO] [stdout] test tests::test_parse_version ... ok
[INFO] [stdout] test tests::test_run_help ... ok
[INFO] [stdout] test tests::test_run_version ... ok
[INFO] [stdout] test tests::test_vec_write ... ok
[INFO] [stdout] test tests::test_parse_type_summary ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77d855853dab564db504c042303036b0c69d89231503a2b8e7d06982051fa69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d855853dab564db504c042303036b0c69d89231503a2b8e7d06982051fa69e", kill_on_drop: false }`
[INFO] [stdout] 77d855853dab564db504c042303036b0c69d89231503a2b8e7d06982051fa69e