[INFO] fetching crate prometheus-exposition-format-rs 0.1.2... [INFO] checking prometheus-exposition-format-rs-0.1.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate prometheus-exposition-format-rs 0.1.2 into /workspace/builds/worker-0-tc2/source [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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate prometheus-exposition-format-rs 0.1.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding nom v5.1.3 (available: v8.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fa7443428f99d4b85809946a061f199b81f1e6826807f8db7e1f4c04ebed33e [INFO] running `Command { std: "docker" "start" "-a" "4fa7443428f99d4b85809946a061f199b81f1e6826807f8db7e1f4c04ebed33e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fa7443428f99d4b85809946a061f199b81f1e6826807f8db7e1f4c04ebed33e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fa7443428f99d4b85809946a061f199b81f1e6826807f8db7e1f4c04ebed33e", kill_on_drop: false }` [INFO] [stdout] 4fa7443428f99d4b85809946a061f199b81f1e6826807f8db7e1f4c04ebed33e [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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9bc3c4a4cfda01a635d4f023c258448dd7ee4050c8a3a38831ccab019d24ed0 [INFO] running `Command { std: "docker" "start" "-a" "a9bc3c4a4cfda01a635d4f023c258448dd7ee4050c8a3a38831ccab019d24ed0", kill_on_drop: false }` [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking assert_approx_eq v1.1.0 [INFO] [stderr] Compiling nom v5.1.3 [INFO] [stderr] Checking prometheus-exposition-format-rs v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Err(String); [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Err` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:23:22 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_line(input: &str) -> IResult<&str, LineType> { [INFO] [stdout] | ^^^^ ---- -------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_line(input: &str) -> IResult<&str, LineType<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/comment.rs:60:26 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn comment_parser(i: &str) -> IResult<&str, CommentType> { [INFO] [stdout] | ^^^^ ---- ----------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 60 | pub fn comment_parser(i: &str) -> IResult<&str, CommentType<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/samples.rs:94:24 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn parse_sample(i: &str) -> IResult<&str, SampleEntry> { [INFO] [stdout] | ^^^^ ---- ----------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 94 | pub fn parse_sample(i: &str) -> IResult<&str, SampleEntry<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Err(String); [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Err` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:23:22 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_line(input: &str) -> IResult<&str, LineType> { [INFO] [stdout] | ^^^^ ---- -------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_line(input: &str) -> IResult<&str, LineType<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/comment.rs:60:26 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn comment_parser(i: &str) -> IResult<&str, CommentType> { [INFO] [stdout] | ^^^^ ---- ----------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 60 | pub fn comment_parser(i: &str) -> IResult<&str, CommentType<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/samples.rs:94:24 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn parse_sample(i: &str) -> IResult<&str, SampleEntry> { [INFO] [stdout] | ^^^^ ---- ----------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 94 | pub fn parse_sample(i: &str) -> IResult<&str, SampleEntry<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.28s [INFO] running `Command { std: "docker" "inspect" "a9bc3c4a4cfda01a635d4f023c258448dd7ee4050c8a3a38831ccab019d24ed0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9bc3c4a4cfda01a635d4f023c258448dd7ee4050c8a3a38831ccab019d24ed0", kill_on_drop: false }` [INFO] [stdout] a9bc3c4a4cfda01a635d4f023c258448dd7ee4050c8a3a38831ccab019d24ed0