[INFO] cloning repository https://github.com/hobofan/extract-references
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hobofan/extract-references" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobofan%2Fextract-references", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobofan%2Fextract-references'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ebc8d272517e0bc07a043fbb79cf819c1e03f92
[INFO] checking hobofan/extract-references against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobofan%2Fextract-references" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hobofan/extract-references
[INFO] finished tweaking git repo https://github.com/hobofan/extract-references
[INFO] tweaked toml for git repo https://github.com/hobofan/extract-references written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hobofan/extract-references on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hobofan/extract-references 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a5acf0f5445b56014ed7b7d76c3ca4f5af53e65c7a9f382d128b3c9606641ce
[INFO] running `Command { std: "docker" "start" "-a" "0a5acf0f5445b56014ed7b7d76c3ca4f5af53e65c7a9f382d128b3c9606641ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a5acf0f5445b56014ed7b7d76c3ca4f5af53e65c7a9f382d128b3c9606641ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5acf0f5445b56014ed7b7d76c3ca4f5af53e65c7a9f382d128b3c9606641ce", kill_on_drop: false }`
[INFO] [stdout] 0a5acf0f5445b56014ed7b7d76c3ca4f5af53e65c7a9f382d128b3c9606641ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 603708ed159a08794cb19714645d0897a11d875ced85d6762abeb3ac7843cc50
[INFO] running `Command { std: "docker" "start" "-a" "603708ed159a08794cb19714645d0897a11d875ced85d6762abeb3ac7843cc50", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking lazy_static v1.2.0
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[INFO] [stderr]    Compiling quote v0.6.11
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[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]     Checking pdf-extract v0.4.6
[INFO] [stderr]     Checking extract-references v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `reference_item_pattern` and `references` are never used
[INFO] [stdout]   --> src/raw_text.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl RawText {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn reference_item_pattern(&self) -> Option<Regex> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn references(&self) -> Option<Vec<Reference>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reference` is never constructed
[INFO] [stdout]   --> src/raw_text.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Reference {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.77s
[INFO] running `Command { std: "docker" "inspect" "603708ed159a08794cb19714645d0897a11d875ced85d6762abeb3ac7843cc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603708ed159a08794cb19714645d0897a11d875ced85d6762abeb3ac7843cc50", kill_on_drop: false }`
[INFO] [stdout] 603708ed159a08794cb19714645d0897a11d875ced85d6762abeb3ac7843cc50
