Oct 12 21:00:52.175 INFO checking grenade/rust-tutorial against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:00:52.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 21:00:52.372 INFO blam! 55c85fea4b87652fd328b310a3a4b7be8b0883b4260e095b2effbf22f42e508e
Oct 12 21:00:52.374 INFO running `"docker" "start" "-a" "55c85fea4b87652fd328b310a3a4b7be8b0883b4260e095b2effbf22f42e508e"`
Oct 12 21:00:53.024 INFO kablam! usermod: no changes
Oct 12 21:00:53.103 INFO kablam!     Checking redisish v0.1.0 (/source/redisish)
Oct 12 21:00:53.112 INFO kablam!     Checking tutorial v0.1.0 (/source)
Oct 12 21:00:53.112 INFO kablam!     Checking clap v2.24.2
Oct 12 21:00:59.976 INFO kablam!     Checking mailbox v0.1.0 (/source/mailbox)
Oct 12 21:01:01.080 INFO kablam! warning: unused import: `Error`
Oct 12 21:01:01.081 INFO kablam!  --> mailbox/src/main.rs:4:32
Oct 12 21:01:01.081 INFO kablam!   |
Oct 12 21:01:01.081 INFO kablam! 4 | use redisish::{parse, Command, Error};
Oct 12 21:01:01.081 INFO kablam!   |                                ^^^^^
Oct 12 21:01:01.082 INFO kablam!   |
Oct 12 21:01:01.082 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 21:01:01.082 INFO kablam! 
Oct 12 21:01:01.275 INFO kablam! warning: unused import: `Error`
Oct 12 21:01:01.275 INFO kablam!  --> mailbox/src/main.rs:4:32
Oct 12 21:01:01.275 INFO kablam!   |
Oct 12 21:01:01.275 INFO kablam! 4 | use redisish::{parse, Command, Error};
Oct 12 21:01:01.275 INFO kablam!   |                                ^^^^^
Oct 12 21:01:01.275 INFO kablam!   |
Oct 12 21:01:01.275 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 21:01:01.275 INFO kablam! 
Oct 12 21:01:01.316 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:01:01.317 INFO kablam!   --> mailbox/src/main.rs:65:5
Oct 12 21:01:01.317 INFO kablam!    |
Oct 12 21:01:01.317 INFO kablam! 65 |     stream.read_to_string(&mut buffer);
Oct 12 21:01:01.318 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:01:01.318 INFO kablam!    |
Oct 12 21:01:01.319 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 21:01:01.319 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:01:01.319 INFO kablam! 
Oct 12 21:01:01.392 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:01:01.393 INFO kablam!   --> mailbox/src/main.rs:65:5
Oct 12 21:01:01.393 INFO kablam!    |
Oct 12 21:01:01.393 INFO kablam! 65 |     stream.read_to_string(&mut buffer);
Oct 12 21:01:01.393 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:01:01.394 INFO kablam!    |
Oct 12 21:01:01.394 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 21:01:01.394 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:01:01.394 INFO kablam! 
Oct 12 21:01:01.429 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.38s
Oct 12 21:01:01.442 INFO kablam! su: No module specific data is present
Oct 12 21:01:02.414 INFO running `"docker" "rm" "-f" "55c85fea4b87652fd328b310a3a4b7be8b0883b4260e095b2effbf22f42e508e"`
Oct 12 21:01:02.732 INFO blam! 55c85fea4b87652fd328b310a3a4b7be8b0883b4260e095b2effbf22f42e508e