[INFO] crate tacoda_grrs 0.1.0 is already in cache
[INFO] checking tacoda_grrs-0.1.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate tacoda_grrs 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tacoda_grrs 0.1.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tacoda_grrs 0.1.0
[INFO] finished tweaking crates.io crate tacoda_grrs 0.1.0
[INFO] tweaked toml for crates.io crate tacoda_grrs 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a4357d22736175860ac09034a613a66aba3b98a5ef32c16ed6996f0392a42c70
[INFO] running `"docker" "start" "-a" "a4357d22736175860ac09034a613a66aba3b98a5ef32c16ed6996f0392a42c70"`
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking tacoda_grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/lib.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |             writeln!(writer, "{}", line);
[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/lib.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |             writeln!(writer, "{}", line);
[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 4.72s
[INFO] running `"docker" "inspect" "a4357d22736175860ac09034a613a66aba3b98a5ef32c16ed6996f0392a42c70"`
[INFO] running `"docker" "rm" "-f" "a4357d22736175860ac09034a613a66aba3b98a5ef32c16ed6996f0392a42c70"`
[INFO] [stdout] a4357d22736175860ac09034a613a66aba3b98a5ef32c16ed6996f0392a42c70