Nov 30 03:29:36.613 INFO checking eminence/snapshot_trim against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 03:29:36.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 03:29:37.030 INFO [stdout] f908ed86a05094c2983eb2762c1193093256aec631b986acd3759e74539f44e2
Nov 30 03:29:37.032 INFO running `"docker" "start" "-a" "f908ed86a05094c2983eb2762c1193093256aec631b986acd3759e74539f44e2"`
Nov 30 03:29:38.404 INFO [stderr] usermod: no changes
Nov 30 03:29:38.612 INFO [stderr]     Checking toml v0.4.5
Nov 30 03:29:38.636 INFO [stderr]     Checking docopt v0.8.1
Nov 30 03:29:41.541 INFO [stderr]     Checking snapshot_trim v0.1.0 (/source)
Nov 30 03:29:43.026 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 03:29:43.032 INFO [stderr]   --> src/main.rs:66:9
Nov 30 03:29:43.032 INFO [stderr]    |
Nov 30 03:29:43.032 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Nov 30 03:29:43.032 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:29:43.032 INFO [stderr]    |
Nov 30 03:29:43.032 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 03:29:43.032 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 03:29:43.032 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)
Nov 30 03:29:43.032 INFO [stderr] 
Nov 30 03:29:43.141 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 03:29:43.141 INFO [stderr]   --> src/main.rs:66:9
Nov 30 03:29:43.141 INFO [stderr]    |
Nov 30 03:29:43.141 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Nov 30 03:29:43.141 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:29:43.141 INFO [stderr]    |
Nov 30 03:29:43.141 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 03:29:43.141 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 03:29:43.141 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)
Nov 30 03:29:43.141 INFO [stderr] 
Nov 30 03:29:43.196 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.75s
Nov 30 03:29:43.204 INFO [stderr] su: No module specific data is present
Nov 30 03:29:43.764 INFO running `"docker" "inspect" "f908ed86a05094c2983eb2762c1193093256aec631b986acd3759e74539f44e2"`
Nov 30 03:29:44.012 INFO running `"docker" "rm" "-f" "f908ed86a05094c2983eb2762c1193093256aec631b986acd3759e74539f44e2"`
Nov 30 03:29:44.307 INFO [stdout] f908ed86a05094c2983eb2762c1193093256aec631b986acd3759e74539f44e2