[INFO] fetching crate printpdf 0.2.11...
[INFO] checking printpdf-0.2.11 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate printpdf 0.2.11 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate printpdf 0.2.11 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate printpdf 0.2.11
[INFO] finished tweaking crates.io crate printpdf 0.2.11
[INFO] tweaked toml for crates.io crate printpdf 0.2.11 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 763363f341b39e9dc96b3edcebe8aec9bf3e54ad9a661bd7131ff9e08e06d775
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "763363f341b39e9dc96b3edcebe8aec9bf3e54ad9a661bd7131ff9e08e06d775"`
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking pom v3.0.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking lopdf v0.23.0
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking printpdf v0.2.11 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `Operation` is imported redundantly
[INFO] [stderr]    --> src/types/pdf_layer.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 8   | use lopdf::content::Operation;
[INFO] [stderr]     |     ------------------------- the item `Operation` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 391 |         use lopdf::content::Operation;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Operation` is imported redundantly
[INFO] [stderr]   --> src/types/plugins/graphics/color.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 5  | use lopdf::content::Operation;
[INFO] [stderr]    |     ------------------------- the item `Operation` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 26 |         use lopdf::content::Operation;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Operation` is imported redundantly
[INFO] [stderr]    --> src/types/pdf_layer.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 8   | use lopdf::content::Operation;
[INFO] [stderr]     |     ------------------------- the item `Operation` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 391 |         use lopdf::content::Operation;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Operation` is imported redundantly
[INFO] [stderr]   --> src/types/plugins/graphics/color.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 5  | use lopdf::content::Operation;
[INFO] [stderr]    |     ------------------------- the item `Operation` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 26 |         use lopdf::content::Operation;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.35s
[INFO] running `"docker" "inspect" "763363f341b39e9dc96b3edcebe8aec9bf3e54ad9a661bd7131ff9e08e06d775"`
[INFO] running `"docker" "rm" "-f" "763363f341b39e9dc96b3edcebe8aec9bf3e54ad9a661bd7131ff9e08e06d775"`
[INFO] [stdout] 763363f341b39e9dc96b3edcebe8aec9bf3e54ad9a661bd7131ff9e08e06d775