Dec 18 00:43:54.173 INFO checking eminence/snapshot_trim against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:43:54.173 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/eminence/snapshot_trim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:43:54.430 INFO [stdout] 3bec4ece12ba5603098f9b7cd3692ccd19db6b1a7fa4ced2176be3184fa97d17
Dec 18 00:43:54.432 INFO running `"docker" "start" "-a" "3bec4ece12ba5603098f9b7cd3692ccd19db6b1a7fa4ced2176be3184fa97d17"`
Dec 18 00:43:55.684 INFO [stderr]     Checking toml v0.4.5
Dec 18 00:43:55.684 INFO [stderr]     Checking docopt v0.8.1
Dec 18 00:43:57.395 INFO [stderr]     Checking snapshot_trim v0.1.0 (/opt/crater/workdir)
Dec 18 00:43:57.844 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:43:57.844 INFO [stderr]   --> src/main.rs:66:9
Dec 18 00:43:57.844 INFO [stderr]    |
Dec 18 00:43:57.844 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Dec 18 00:43:57.844 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:43:57.844 INFO [stderr]    |
Dec 18 00:43:57.844 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:43:57.844 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:43:57.844 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 18 00:43:57.844 INFO [stderr] 
Dec 18 00:43:57.912 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:43:57.912 INFO [stderr]   --> src/main.rs:66:9
Dec 18 00:43:57.912 INFO [stderr]    |
Dec 18 00:43:57.912 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Dec 18 00:43:57.912 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:43:57.912 INFO [stderr]    |
Dec 18 00:43:57.912 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:43:57.912 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:43:57.912 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 18 00:43:57.912 INFO [stderr] 
Dec 18 00:43:57.932 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
Dec 18 00:43:58.270 INFO running `"docker" "inspect" "3bec4ece12ba5603098f9b7cd3692ccd19db6b1a7fa4ced2176be3184fa97d17"`
Dec 18 00:43:58.328 INFO running `"docker" "rm" "-f" "3bec4ece12ba5603098f9b7cd3692ccd19db6b1a7fa4ced2176be3184fa97d17"`
Dec 18 00:43:58.451 INFO [stdout] 3bec4ece12ba5603098f9b7cd3692ccd19db6b1a7fa4ced2176be3184fa97d17