Dec 04 19:13:21.012 INFO checking eminence/snapshot_trim against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:13:21.012 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 19:13:21.455 INFO [stdout] f09f6a0559f04a640341b43873e8a365e75e309eb6fde3b0a3d4756f5e160184
Dec 04 19:13:21.461 INFO running `"docker" "start" "-a" "f09f6a0559f04a640341b43873e8a365e75e309eb6fde3b0a3d4756f5e160184"`
Dec 04 19:13:22.499 INFO [stderr] usermod: no changes
Dec 04 19:13:22.647 INFO [stderr]     Checking docopt v0.8.1
Dec 04 19:13:24.441 INFO [stderr]     Checking snapshot_trim v0.1.0 (/source)
Dec 04 19:13:25.763 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 19:13:25.763 INFO [stderr]   --> src/main.rs:66:9
Dec 04 19:13:25.763 INFO [stderr]    |
Dec 04 19:13:25.763 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Dec 04 19:13:25.763 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:13:25.763 INFO [stderr]    |
Dec 04 19:13:25.763 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 19:13:25.763 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 19:13:25.763 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 19:13:25.763 INFO [stderr] 
Dec 04 19:13:25.931 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 19:13:25.931 INFO [stderr]   --> src/main.rs:66:9
Dec 04 19:13:25.931 INFO [stderr]    |
Dec 04 19:13:25.931 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Dec 04 19:13:25.931 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:13:25.931 INFO [stderr]    |
Dec 04 19:13:25.931 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 19:13:25.931 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 19:13:25.931 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 19:13:25.931 INFO [stderr] 
Dec 04 19:13:25.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
Dec 04 19:13:25.979 INFO [stderr] su: No module specific data is present
Dec 04 19:13:27.044 INFO running `"docker" "inspect" "f09f6a0559f04a640341b43873e8a365e75e309eb6fde3b0a3d4756f5e160184"`
Dec 04 19:13:27.311 INFO running `"docker" "rm" "-f" "f09f6a0559f04a640341b43873e8a365e75e309eb6fde3b0a3d4756f5e160184"`
Dec 04 19:13:27.667 INFO [stdout] f09f6a0559f04a640341b43873e8a365e75e309eb6fde3b0a3d4756f5e160184