Nov 30 02:19:42.378 INFO checking grenade/rust-tutorial against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 02:19:42.378 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 02:19:42.919 INFO [stdout] e11024ea22bf380e52ff5d49ff7a1be5457e3d2746e81c2b137edda79921e76f
Nov 30 02:19:42.921 INFO running `"docker" "start" "-a" "e11024ea22bf380e52ff5d49ff7a1be5457e3d2746e81c2b137edda79921e76f"`
Nov 30 02:19:45.683 INFO [stderr] usermod: no changes
Nov 30 02:19:45.808 INFO [stderr]     Checking redisish v0.1.0 (/source/redisish)
Nov 30 02:19:45.808 INFO [stderr]     Checking tutorial v0.1.0 (/source)
Nov 30 02:19:45.816 INFO [stderr]     Checking clap v2.24.2
Nov 30 02:19:53.580 INFO [stderr]     Checking mailbox v0.1.0 (/source/mailbox)
Nov 30 02:19:54.658 INFO [stderr] warning: unused import: `Error`
Nov 30 02:19:54.658 INFO [stderr]  --> mailbox/src/main.rs:4:32
Nov 30 02:19:54.658 INFO [stderr]   |
Nov 30 02:19:54.658 INFO [stderr] 4 | use redisish::{parse, Command, Error};
Nov 30 02:19:54.658 INFO [stderr]   |                                ^^^^^
Nov 30 02:19:54.658 INFO [stderr]   |
Nov 30 02:19:54.658 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 02:19:54.658 INFO [stderr] 
Nov 30 02:19:54.776 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 02:19:54.804 INFO [stderr]   --> mailbox/src/main.rs:65:5
Nov 30 02:19:54.804 INFO [stderr]    |
Nov 30 02:19:54.804 INFO [stderr] 65 |     stream.read_to_string(&mut buffer);
Nov 30 02:19:54.804 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:19:54.804 INFO [stderr]    |
Nov 30 02:19:54.804 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 02:19:54.804 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 02:19:54.804 INFO [stderr] 
Nov 30 02:19:54.900 INFO [stderr] warning: unused import: `Error`
Nov 30 02:19:54.900 INFO [stderr]  --> mailbox/src/main.rs:4:32
Nov 30 02:19:54.900 INFO [stderr]   |
Nov 30 02:19:54.900 INFO [stderr] 4 | use redisish::{parse, Command, Error};
Nov 30 02:19:54.900 INFO [stderr]   |                                ^^^^^
Nov 30 02:19:54.900 INFO [stderr]   |
Nov 30 02:19:54.900 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 02:19:54.900 INFO [stderr] 
Nov 30 02:19:55.000 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 02:19:55.000 INFO [stderr]   --> mailbox/src/main.rs:65:5
Nov 30 02:19:55.000 INFO [stderr]    |
Nov 30 02:19:55.000 INFO [stderr] 65 |     stream.read_to_string(&mut buffer);
Nov 30 02:19:55.000 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:19:55.000 INFO [stderr]    |
Nov 30 02:19:55.000 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 02:19:55.000 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 02:19:55.000 INFO [stderr] 
Nov 30 02:19:55.024 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.31s
Nov 30 02:19:55.024 INFO [stderr] su: No module specific data is present
Nov 30 02:19:55.770 INFO running `"docker" "inspect" "e11024ea22bf380e52ff5d49ff7a1be5457e3d2746e81c2b137edda79921e76f"`
Nov 30 02:19:56.007 INFO running `"docker" "rm" "-f" "e11024ea22bf380e52ff5d49ff7a1be5457e3d2746e81c2b137edda79921e76f"`
Nov 30 02:19:56.227 INFO [stdout] e11024ea22bf380e52ff5d49ff7a1be5457e3d2746e81c2b137edda79921e76f