[INFO] fetching crate lopdf 0.25.0...
[INFO] checking lopdf-0.25.0 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate lopdf 0.25.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lopdf 0.25.0 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lopdf 0.25.0
[INFO] finished tweaking crates.io crate lopdf 0.25.0
[INFO] tweaked toml for crates.io crate lopdf 0.25.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lopdf 0.25.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28c531301e3c950b7fafaafe8134a89e2a83c25f7e9180fb78bb1012a52004f1
[INFO] running `Command { std: "docker" "start" "-a" "28c531301e3c950b7fafaafe8134a89e2a83c25f7e9180fb78bb1012a52004f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28c531301e3c950b7fafaafe8134a89e2a83c25f7e9180fb78bb1012a52004f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c531301e3c950b7fafaafe8134a89e2a83c25f7e9180fb78bb1012a52004f1", kill_on_drop: false }`
[INFO] [stdout] 28c531301e3c950b7fafaafe8134a89e2a83c25f7e9180fb78bb1012a52004f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3983e1e151fd1010bcc3d6dae718a43501045f09330d11f668a1a1f2b94148a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3983e1e151fd1010bcc3d6dae718a43501045f09330d11f668a1a1f2b94148a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking pom v3.0.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking lopdf v0.25.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Object`, `Stream`
[INFO] [stdout]  --> examples/list_pages.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lopdf::{Document, Object, Stream};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.09s
[INFO] running `Command { std: "docker" "inspect" "c3983e1e151fd1010bcc3d6dae718a43501045f09330d11f668a1a1f2b94148a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3983e1e151fd1010bcc3d6dae718a43501045f09330d11f668a1a1f2b94148a", kill_on_drop: false }`
[INFO] [stdout] c3983e1e151fd1010bcc3d6dae718a43501045f09330d11f668a1a1f2b94148a