Dec 13 20:16:14.211 INFO testing eminence/snapshot_trim against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 20:16:14.211 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 20:16:14.638 INFO [stdout] b652e4e11f1898a6ace00c82fec62c3445f0fc64e8490a05e8514405ffd0b2dd
Dec 13 20:16:14.640 INFO running `"docker" "start" "-a" "b652e4e11f1898a6ace00c82fec62c3445f0fc64e8490a05e8514405ffd0b2dd"`
Dec 13 20:16:15.803 INFO [stderr] usermod: no changes
Dec 13 20:16:15.915 INFO [stderr]    Compiling docopt v0.8.1
Dec 13 20:16:20.937 INFO [stderr]    Compiling snapshot_trim v0.1.0 (/source)
Dec 13 20:16:21.741 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 20:16:21.741 INFO [stderr]   --> src/main.rs:66:9
Dec 13 20:16:21.741 INFO [stderr]    |
Dec 13 20:16:21.741 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Dec 13 20:16:21.741 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:16:21.741 INFO [stderr]    |
Dec 13 20:16:21.741 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 20:16:21.741 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 20:16:21.741 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 13 20:16:21.741 INFO [stderr] 
Dec 13 20:16:22.963 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
Dec 13 20:16:22.971 INFO [stderr] su: No module specific data is present
Dec 13 20:16:23.304 INFO running `"docker" "inspect" "b652e4e11f1898a6ace00c82fec62c3445f0fc64e8490a05e8514405ffd0b2dd"`
Dec 13 20:16:23.443 INFO running `"docker" "rm" "-f" "b652e4e11f1898a6ace00c82fec62c3445f0fc64e8490a05e8514405ffd0b2dd"`
Dec 13 20:16:23.611 INFO [stdout] b652e4e11f1898a6ace00c82fec62c3445f0fc64e8490a05e8514405ffd0b2dd
Dec 13 20:16:23.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 20:16:23.855 INFO [stdout] 1ad337e1ffe49ac936057dd779c0a4d7df84feb7695d9e28195137db9fb32b15
Dec 13 20:16:23.860 INFO running `"docker" "start" "-a" "1ad337e1ffe49ac936057dd779c0a4d7df84feb7695d9e28195137db9fb32b15"`
Dec 13 20:16:24.458 INFO [stderr] usermod: no changes
Dec 13 20:16:24.527 INFO [stderr]    Compiling snapshot_trim v0.1.0 (/source)
Dec 13 20:16:25.322 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 20:16:25.322 INFO [stderr]   --> src/main.rs:66:9
Dec 13 20:16:25.322 INFO [stderr]    |
Dec 13 20:16:25.322 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Dec 13 20:16:25.323 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:16:25.323 INFO [stderr]    |
Dec 13 20:16:25.323 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 20:16:25.323 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 20:16:25.323 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 13 20:16:25.323 INFO [stderr] 
Dec 13 20:16:25.520 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 13 20:16:25.521 INFO [stderr] su: No module specific data is present
Dec 13 20:16:25.773 INFO running `"docker" "inspect" "1ad337e1ffe49ac936057dd779c0a4d7df84feb7695d9e28195137db9fb32b15"`
Dec 13 20:16:25.896 INFO running `"docker" "rm" "-f" "1ad337e1ffe49ac936057dd779c0a4d7df84feb7695d9e28195137db9fb32b15"`
Dec 13 20:16:26.011 INFO [stdout] 1ad337e1ffe49ac936057dd779c0a4d7df84feb7695d9e28195137db9fb32b15
Dec 13 20:16:26.015 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 20:16:26.196 INFO [stdout] 1a4da4ff3013063c31800a262d5a04b8e2f6acab1dfc26a24e4814f5c3cd53dc
Dec 13 20:16:26.198 INFO running `"docker" "start" "-a" "1a4da4ff3013063c31800a262d5a04b8e2f6acab1dfc26a24e4814f5c3cd53dc"`
Dec 13 20:16:26.615 INFO [stderr] usermod: no changes
Dec 13 20:16:26.701 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 13 20:16:26.704 INFO [stderr]      Running /target/debug/deps/snapshot_trim-2233661cf417f05f
Dec 13 20:16:26.709 INFO [stdout] 
Dec 13 20:16:26.709 INFO [stdout] running 0 tests
Dec 13 20:16:26.709 INFO [stdout] 
Dec 13 20:16:26.709 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 20:16:26.709 INFO [stdout] 
Dec 13 20:16:26.711 INFO [stderr] su: No module specific data is present
Dec 13 20:16:27.036 INFO running `"docker" "inspect" "1a4da4ff3013063c31800a262d5a04b8e2f6acab1dfc26a24e4814f5c3cd53dc"`
Dec 13 20:16:27.103 INFO running `"docker" "rm" "-f" "1a4da4ff3013063c31800a262d5a04b8e2f6acab1dfc26a24e4814f5c3cd53dc"`
Dec 13 20:16:27.232 INFO [stdout] 1a4da4ff3013063c31800a262d5a04b8e2f6acab1dfc26a24e4814f5c3cd53dc