[INFO] fetching crate path_to_regexp 0.1.2...
[INFO] checking path_to_regexp-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate path_to_regexp 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate path_to_regexp 0.1.2
[INFO] finished tweaking crates.io crate path_to_regexp 0.1.2
[INFO] tweaked toml for crates.io crate path_to_regexp 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate path_to_regexp 0.1.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding fancy-regex v0.1.0 (available: v0.14.0)
[INFO] [stderr]       Adding pretty_env_logger v0.3.1 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f84676f9816a46cb747b17fb8bf8605ad66fd16bbd131cde57ae5beef5aeadaa
[INFO] running `Command { std: "docker" "start" "-a" "f84676f9816a46cb747b17fb8bf8605ad66fd16bbd131cde57ae5beef5aeadaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f84676f9816a46cb747b17fb8bf8605ad66fd16bbd131cde57ae5beef5aeadaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84676f9816a46cb747b17fb8bf8605ad66fd16bbd131cde57ae5beef5aeadaa", kill_on_drop: false }`
[INFO] [stdout] f84676f9816a46cb747b17fb8bf8605ad66fd16bbd131cde57ae5beef5aeadaa
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d22a31129828689f7a8434363c58f087df17b4c8208b086654d4b794d85599f
[INFO] running `Command { std: "docker" "start" "-a" "9d22a31129828689f7a8434363c58f087df17b4c8208b086654d4b794d85599f", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking fancy-regex v0.1.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking path_to_regexp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Match {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 47 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 48 |     value: String
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Match` 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:120:39
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn unwrap_match_to_str (m: Option<regex::Match>) -> &str {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^      ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn unwrap_match_to_str (m: Option<regex::Match<'_>>) -> &str {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Match {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 47 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 48 |     value: String
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Match` 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:120:39
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn unwrap_match_to_str (m: Option<regex::Match>) -> &str {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^      ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn unwrap_match_to_str (m: Option<regex::Match<'_>>) -> &str {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.51s
[INFO] running `Command { std: "docker" "inspect" "9d22a31129828689f7a8434363c58f087df17b4c8208b086654d4b794d85599f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d22a31129828689f7a8434363c58f087df17b4c8208b086654d4b794d85599f", kill_on_drop: false }`
[INFO] [stdout] 9d22a31129828689f7a8434363c58f087df17b4c8208b086654d4b794d85599f