Dec 04 19:13:21.680 INFO checking eminence/snapshot_trim against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 19:13:21.680 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 19:13:22.168 INFO [stdout] 26439af01e3beb6957a5d8eed622c93201196f4227527e96e724f7eddaf4ab60
Dec 04 19:13:22.170 INFO running `"docker" "start" "-a" "26439af01e3beb6957a5d8eed622c93201196f4227527e96e724f7eddaf4ab60"`
Dec 04 19:13:24.099 INFO [stderr] usermod: no changes
Dec 04 19:13:24.235 INFO [stderr]     Checking toml v0.4.5
Dec 04 19:13:24.235 INFO [stderr]     Checking docopt v0.8.1
Dec 04 19:13:27.278 INFO [stderr]     Checking snapshot_trim v0.1.0 (/source)
Dec 04 19:13:28.226 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 19:13:28.227 INFO [stderr]   --> src/main.rs:66:9
Dec 04 19:13:28.227 INFO [stderr]    |
Dec 04 19:13:28.227 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Dec 04 19:13:28.227 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:13:28.227 INFO [stderr]    |
Dec 04 19:13:28.227 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 19:13:28.227 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 19:13:28.227 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 04 19:13:28.227 INFO [stderr] 
Dec 04 19:13:28.322 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 19:13:28.323 INFO [stderr]   --> src/main.rs:66:9
Dec 04 19:13:28.323 INFO [stderr]    |
Dec 04 19:13:28.323 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Dec 04 19:13:28.323 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:13:28.323 INFO [stderr]    |
Dec 04 19:13:28.323 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 19:13:28.323 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 19:13:28.323 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 04 19:13:28.323 INFO [stderr] 
Dec 04 19:13:28.355 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.22s
Dec 04 19:13:28.363 INFO [stderr] su: No module specific data is present
Dec 04 19:13:28.941 INFO running `"docker" "inspect" "26439af01e3beb6957a5d8eed622c93201196f4227527e96e724f7eddaf4ab60"`
Dec 04 19:13:29.166 INFO running `"docker" "rm" "-f" "26439af01e3beb6957a5d8eed622c93201196f4227527e96e724f7eddaf4ab60"`
Dec 04 19:13:29.395 INFO [stdout] 26439af01e3beb6957a5d8eed622c93201196f4227527e96e724f7eddaf4ab60