[INFO] fetching crate prom_text_format_parser 0.1.0...
[INFO] testing prom_text_format_parser-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate prom_text_format_parser 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate prom_text_format_parser 0.1.0
[INFO] finished tweaking crates.io crate prom_text_format_parser 0.1.0
[INFO] tweaked toml for crates.io crate prom_text_format_parser 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prom_text_format_parser 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prom_text_format_parser 0.1.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7605cf2de2b11faec06c4b70f4d77e4880273d0f14a53f45c938659521bdc306
[INFO] running `Command { std: "docker" "start" "-a" "7605cf2de2b11faec06c4b70f4d77e4880273d0f14a53f45c938659521bdc306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7605cf2de2b11faec06c4b70f4d77e4880273d0f14a53f45c938659521bdc306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7605cf2de2b11faec06c4b70f4d77e4880273d0f14a53f45c938659521bdc306", kill_on_drop: false }`
[INFO] [stdout] 7605cf2de2b11faec06c4b70f4d77e4880273d0f14a53f45c938659521bdc306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 729a4df9d74f2f1d9da0618ea885e8fda56333b8d56665032a92fd354ef11558
[INFO] running `Command { std: "docker" "start" "-a" "729a4df9d74f2f1d9da0618ea885e8fda56333b8d56665032a92fd354ef11558", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.5.30
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling prom_text_format_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |     Comment(String),
[INFO] [stdout]     |     ------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Line` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 151 -     Comment(String),
[INFO] [stdout] 151 +     Comment(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "729a4df9d74f2f1d9da0618ea885e8fda56333b8d56665032a92fd354ef11558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729a4df9d74f2f1d9da0618ea885e8fda56333b8d56665032a92fd354ef11558", kill_on_drop: false }`
[INFO] [stdout] 729a4df9d74f2f1d9da0618ea885e8fda56333b8d56665032a92fd354ef11558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d3300b403d2e18ae9153b44bc24ba2ce87fe08eda7a0732ab3b355e73b669e5
[INFO] running `Command { std: "docker" "start" "-a" "7d3300b403d2e18ae9153b44bc24ba2ce87fe08eda7a0732ab3b355e73b669e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.2
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.0.5
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling prom_text_format_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |     Comment(String),
[INFO] [stdout]     |     ------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Line` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 151 -     Comment(String),
[INFO] [stdout] 151 +     Comment(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling rstest v0.18.2
[INFO] [stdout] error: couldn't read `src/../test_data/example-01.txt`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:303:34
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub const EXAMPLE_01: &str = include_str!("../test_data/example-01.txt");
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../test_data/node-exporter-01.txt`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:304:40
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub const NODE_EXPORTER_01: &str = include_str!("../test_data/node-exporter-01.txt");
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../test_data/prometheus-01.txt`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:305:37
[INFO] [stdout]     |
[INFO] [stdout] 305 |     pub const PROMETHEUS_01: &str = include_str!("../test_data/prometheus-01.txt");
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../test_data/fail-no-sample-01.txt`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:306:31
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub const FAIL_01: &str = include_str!("../test_data/fail-no-sample-01.txt");
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prom_text_format_parser` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7d3300b403d2e18ae9153b44bc24ba2ce87fe08eda7a0732ab3b355e73b669e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3300b403d2e18ae9153b44bc24ba2ce87fe08eda7a0732ab3b355e73b669e5", kill_on_drop: false }`
[INFO] [stdout] 7d3300b403d2e18ae9153b44bc24ba2ce87fe08eda7a0732ab3b355e73b669e5