Nov 17 03:42:36.256 INFO testing eminence/snapshot_trim against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 03:42:36.256 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 03:42:36.737 INFO [stdout] c799f36fd1bdd70061d33115657bc9546e78dabfe828455c479d410e7d68210b
Nov 17 03:42:36.738 INFO running `"docker" "start" "-a" "c799f36fd1bdd70061d33115657bc9546e78dabfe828455c479d410e7d68210b"`
Nov 17 03:42:38.053 INFO [stderr] usermod: no changes
Nov 17 03:42:38.231 INFO [stderr]    Compiling toml v0.4.5
Nov 17 03:42:38.231 INFO [stderr]    Compiling docopt v0.8.1
Nov 17 03:42:45.675 INFO [stderr]    Compiling snapshot_trim v0.1.0 (/source)
Nov 17 03:42:46.412 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 03:42:46.412 INFO [stderr]   --> src/main.rs:66:9
Nov 17 03:42:46.412 INFO [stderr]    |
Nov 17 03:42:46.412 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Nov 17 03:42:46.412 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 03:42:46.412 INFO [stderr]    |
Nov 17 03:42:46.412 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 03:42:46.412 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 03:42:46.412 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 17 03:42:46.412 INFO [stderr] 
Nov 17 03:42:47.537 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
Nov 17 03:42:47.541 INFO [stderr] su: No module specific data is present
Nov 17 03:42:47.829 INFO running `"docker" "inspect" "c799f36fd1bdd70061d33115657bc9546e78dabfe828455c479d410e7d68210b"`
Nov 17 03:42:47.989 INFO running `"docker" "rm" "-f" "c799f36fd1bdd70061d33115657bc9546e78dabfe828455c479d410e7d68210b"`
Nov 17 03:42:48.095 INFO [stdout] c799f36fd1bdd70061d33115657bc9546e78dabfe828455c479d410e7d68210b
Nov 17 03:42:48.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 03:42:48.243 INFO [stdout] cca65e91f71a41874b8d84d5d3d8e742caa39f0dd17be5310aa693d2053d17d6
Nov 17 03:42:48.248 INFO running `"docker" "start" "-a" "cca65e91f71a41874b8d84d5d3d8e742caa39f0dd17be5310aa693d2053d17d6"`
Nov 17 03:42:49.128 INFO [stderr] usermod: no changes
Nov 17 03:42:49.207 INFO [stderr]    Compiling snapshot_trim v0.1.0 (/source)
Nov 17 03:42:49.966 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 03:42:49.966 INFO [stderr]   --> src/main.rs:66:9
Nov 17 03:42:49.966 INFO [stderr]    |
Nov 17 03:42:49.966 INFO [stderr] 66 |         write!(fmt, "<Snapshot {:?} {:?}>", self.snap, self.state);
Nov 17 03:42:49.966 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 03:42:49.966 INFO [stderr]    |
Nov 17 03:42:49.966 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 03:42:49.966 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 03:42:49.967 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 17 03:42:49.967 INFO [stderr] 
Nov 17 03:42:50.210 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Nov 17 03:42:50.216 INFO [stderr] su: No module specific data is present
Nov 17 03:42:50.682 INFO running `"docker" "inspect" "cca65e91f71a41874b8d84d5d3d8e742caa39f0dd17be5310aa693d2053d17d6"`
Nov 17 03:42:50.781 INFO running `"docker" "rm" "-f" "cca65e91f71a41874b8d84d5d3d8e742caa39f0dd17be5310aa693d2053d17d6"`
Nov 17 03:42:50.912 INFO [stdout] cca65e91f71a41874b8d84d5d3d8e742caa39f0dd17be5310aa693d2053d17d6
Nov 17 03:42:50.914 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 03:42:51.185 INFO [stdout] 438cb74f77b165c1de2c923bd25ca86ae62f0a914dee8173bcd0c0aa0b51ad37
Nov 17 03:42:51.187 INFO running `"docker" "start" "-a" "438cb74f77b165c1de2c923bd25ca86ae62f0a914dee8173bcd0c0aa0b51ad37"`
Nov 17 03:42:51.650 INFO [stderr] usermod: no changes
Nov 17 03:42:51.718 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Nov 17 03:42:51.720 INFO [stderr]      Running /target/debug/deps/snapshot_trim-f9aa4f5b1fbd714e
Nov 17 03:42:51.723 INFO [stdout] 
Nov 17 03:42:51.723 INFO [stdout] running 0 tests
Nov 17 03:42:51.723 INFO [stdout] 
Nov 17 03:42:51.723 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 03:42:51.723 INFO [stdout] 
Nov 17 03:42:51.725 INFO [stderr] su: No module specific data is present
Nov 17 03:42:51.976 INFO running `"docker" "inspect" "438cb74f77b165c1de2c923bd25ca86ae62f0a914dee8173bcd0c0aa0b51ad37"`
Nov 17 03:42:52.060 INFO running `"docker" "rm" "-f" "438cb74f77b165c1de2c923bd25ca86ae62f0a914dee8173bcd0c0aa0b51ad37"`
Nov 17 03:42:52.136 INFO [stdout] 438cb74f77b165c1de2c923bd25ca86ae62f0a914dee8173bcd0c0aa0b51ad37