[INFO] fetching crate lopdf 0.25.0...
[INFO] checking lopdf-0.25.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate lopdf 0.25.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lopdf 0.25.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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-8/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded gif v0.10.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded linked-hash-map v0.4.2
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded crc32fast v1.1.2
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded miniz-sys v0.1.11
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] [stderr]   Downloaded num-rational v0.2.1
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded static_assertions v0.2.5
[INFO] [stderr]   Downloaded lexical-core v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded stackvector v1.0.2
[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded dtoa v0.4.3
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.0
[INFO] [stderr]   Downloaded num-derive v0.2.3
[INFO] [stderr]   Downloaded miniz_oxide v0.2.0
[INFO] [stderr]   Downloaded tiff v0.2.1
[INFO] [stderr]   Downloaded flate2 v1.0.6
[INFO] [stderr]   Downloaded nom v5.0.0-beta1
[INFO] [stderr]   Downloaded pom v3.0.0
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded num_cpus v1.9.0
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] [stderr]   Downloaded arrayvec v0.4.8
[INFO] [stderr]   Downloaded inflate v0.4.4
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded either v1.5.0
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.44
[INFO] [stderr]   Downloaded rayon v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfec81b50903d93b30b9f09f764bd43c98d979abd6a4200b334e1fc30ed444e4
[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" "cfec81b50903d93b30b9f09f764bd43c98d979abd6a4200b334e1fc30ed444e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfec81b50903d93b30b9f09f764bd43c98d979abd6a4200b334e1fc30ed444e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfec81b50903d93b30b9f09f764bd43c98d979abd6a4200b334e1fc30ed444e4", kill_on_drop: false }`
[INFO] [stdout] cfec81b50903d93b30b9f09f764bd43c98d979abd6a4200b334e1fc30ed444e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5231cfaf981873b518ed55d293849e20e9f8ca75149f046fbb06c912fb89b6
[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" "9b5231cfaf981873b518ed55d293849e20e9f8ca75149f046fbb06c912fb89b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking pom v3.0.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking encoding-index-japanese 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-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking chrono v0.4.10
[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 18.91s
[INFO] running `Command { std: "docker" "inspect" "9b5231cfaf981873b518ed55d293849e20e9f8ca75149f046fbb06c912fb89b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5231cfaf981873b518ed55d293849e20e9f8ca75149f046fbb06c912fb89b6", kill_on_drop: false }`
[INFO] [stdout] 9b5231cfaf981873b518ed55d293849e20e9f8ca75149f046fbb06c912fb89b6