[INFO] fetching crate pdf-extract 0.6.2...
[INFO] checking pdf-extract-0.6.2 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate pdf-extract 0.6.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pdf-extract 0.6.2 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pdf-extract 0.6.2
[INFO] finished tweaking crates.io crate pdf-extract 0.6.2
[INFO] tweaked toml for crates.io crate pdf-extract 0.6.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate pdf-extract 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 180840fd256a60b6e9bd7bf85e978848befdcd81cb561de5de3804436b87caa2
[INFO] running `"docker" "start" "-a" "180840fd256a60b6e9bd7bf85e978848befdcd81cb561de5de3804436b87caa2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking pom v3.0.2
[INFO] [stderr]     Checking postscript v0.11.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking type1-encoding-parser v0.1.0
[INFO] [stderr]     Checking adobe-cmap-parser v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking flate2 v1.0.3
[INFO] [stderr]     Checking euclid v0.20.7
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking lopdf v0.24.0
[INFO] [stderr]     Checking pdf-extract v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/extract.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     output_doc(&doc, output.as_mut());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.00s
[INFO] running `"docker" "inspect" "180840fd256a60b6e9bd7bf85e978848befdcd81cb561de5de3804436b87caa2"`
[INFO] running `"docker" "rm" "-f" "180840fd256a60b6e9bd7bf85e978848befdcd81cb561de5de3804436b87caa2"`
[INFO] [stdout] 180840fd256a60b6e9bd7bf85e978848befdcd81cb561de5de3804436b87caa2