[INFO] crate trajectory 0.0.1 is already in cache
[INFO] checking trajectory-0.0.1 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate trajectory 0.0.1 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate trajectory 0.0.1 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate trajectory 0.0.1
[INFO] finished tweaking crates.io crate trajectory 0.0.1
[INFO] tweaked toml for crates.io crate trajectory 0.0.1 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8a22c098dd5374ea48a8916bfb4717629fd233cd53d76ffb987fe30ef71ca16a
[INFO] running `"docker" "start" "-a" "8a22c098dd5374ea48a8916bfb4717629fd233cd53d76ffb987fe30ef71ca16a"`
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]     Checking trajectory v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/plot.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fg.show();
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/plot.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fg.show();
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "8a22c098dd5374ea48a8916bfb4717629fd233cd53d76ffb987fe30ef71ca16a"`
[INFO] running `"docker" "rm" "-f" "8a22c098dd5374ea48a8916bfb4717629fd233cd53d76ffb987fe30ef71ca16a"`
[INFO] [stdout] 8a22c098dd5374ea48a8916bfb4717629fd233cd53d76ffb987fe30ef71ca16a