[INFO] crate rust_icu_umsg 0.1.2 is already in cache
[INFO] checking rust_icu_umsg-0.1.2 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate rust_icu_umsg 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust_icu_umsg 0.1.2 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust_icu_umsg 0.1.2
[INFO] finished tweaking crates.io crate rust_icu_umsg 0.1.2
[INFO] tweaked toml for crates.io crate rust_icu_umsg 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 59cb660d492b72efb7646b5855c0cce1d7ebf21f6da63c909dc32fe4fc4d708e
[INFO] running `"docker" "start" "-a" "59cb660d492b72efb7646b5855c0cce1d7ebf21f6da63c909dc32fe4fc4d708e"`
[INFO] [stderr]    Compiling rust_icu_sys v0.1.2
[INFO] [stderr]     Checking rust_icu_common v0.1.2
[INFO] [stderr]     Checking rust_icu_uenum v0.1.2
[INFO] [stderr]     Checking rust_icu_ustring v0.1.2
[INFO] [stderr]     Checking rust_icu_uloc v0.1.2
[INFO] [stderr]     Checking rust_icu_ucal v0.1.2
[INFO] [stderr]     Checking rust_icu_umsg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:423:13
[INFO] [stderr]     |
[INFO] [stderr] 423 |             ucal::set_default_time_zone(&self.0);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 17.42s
[INFO] running `"docker" "inspect" "59cb660d492b72efb7646b5855c0cce1d7ebf21f6da63c909dc32fe4fc4d708e"`
[INFO] running `"docker" "rm" "-f" "59cb660d492b72efb7646b5855c0cce1d7ebf21f6da63c909dc32fe4fc4d708e"`
[INFO] [stdout] 59cb660d492b72efb7646b5855c0cce1d7ebf21f6da63c909dc32fe4fc4d708e