[INFO] crate flexlint 0.2.4 is already in cache
[INFO] checking flexlint-0.2.4 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate flexlint 0.2.4 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate flexlint 0.2.4 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 flexlint 0.2.4
[INFO] finished tweaking crates.io crate flexlint 0.2.4
[INFO] tweaked toml for crates.io crate flexlint 0.2.4 written to work/builds/worker-2/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] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/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] 0f49b52cecb810de21b36d456b2a1c3e9a035ee390ce8220a1c3b4190b29a0cd
[INFO] running `"docker" "start" "-a" "0f49b52cecb810de21b36d456b2a1c3e9a035ee390ce8220a1c3b4190b29a0cd"`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking flexlint v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/printer.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |             write!(term, "{}", dat);
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/printer.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |             write!(term, "{}", dat);
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `"docker" "inspect" "0f49b52cecb810de21b36d456b2a1c3e9a035ee390ce8220a1c3b4190b29a0cd"`
[INFO] running `"docker" "rm" "-f" "0f49b52cecb810de21b36d456b2a1c3e9a035ee390ce8220a1c3b4190b29a0cd"`
[INFO] [stdout] 0f49b52cecb810de21b36d456b2a1c3e9a035ee390ce8220a1c3b4190b29a0cd