Nov 30 02:19:50.154 INFO checking grenade/rust-tutorial against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 02:19:50.154 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 02:19:50.616 INFO [stdout] b1c4275f6e420d92f47a9bbfce8f68dd0826f173422c79c4e2f6bb9af6a4e90b
Nov 30 02:19:50.624 INFO running `"docker" "start" "-a" "b1c4275f6e420d92f47a9bbfce8f68dd0826f173422c79c4e2f6bb9af6a4e90b"`
Nov 30 02:19:52.600 INFO [stderr] usermod: no changes
Nov 30 02:19:52.676 INFO [stderr]     Checking redisish v0.1.0 (/source/redisish)
Nov 30 02:19:52.676 INFO [stderr]     Checking tutorial v0.1.0 (/source)
Nov 30 02:19:52.676 INFO [stderr]     Checking term_size v0.3.0
Nov 30 02:19:52.676 INFO [stderr]     Checking atty v0.2.2
Nov 30 02:19:53.736 INFO [stderr]     Checking clap v2.24.2
Nov 30 02:20:00.426 INFO [stderr]     Checking mailbox v0.1.0 (/source/mailbox)
Nov 30 02:20:01.147 INFO [stderr] warning: unused import: `Error`
Nov 30 02:20:01.147 INFO [stderr]  --> mailbox/src/main.rs:4:32
Nov 30 02:20:01.147 INFO [stderr]   |
Nov 30 02:20:01.147 INFO [stderr] 4 | use redisish::{parse, Command, Error};
Nov 30 02:20:01.147 INFO [stderr]   |                                ^^^^^
Nov 30 02:20:01.147 INFO [stderr]   |
Nov 30 02:20:01.147 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 02:20:01.147 INFO [stderr] 
Nov 30 02:20:01.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 02:20:01.240 INFO [stderr]   --> mailbox/src/main.rs:65:5
Nov 30 02:20:01.240 INFO [stderr]    |
Nov 30 02:20:01.241 INFO [stderr] 65 |     stream.read_to_string(&mut buffer);
Nov 30 02:20:01.241 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:20:01.241 INFO [stderr]    |
Nov 30 02:20:01.241 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 02:20:01.242 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 02:20:01.242 INFO [stderr] 
Nov 30 02:20:01.328 INFO [stderr] warning: unused import: `Error`
Nov 30 02:20:01.329 INFO [stderr]  --> mailbox/src/main.rs:4:32
Nov 30 02:20:01.329 INFO [stderr]   |
Nov 30 02:20:01.329 INFO [stderr] 4 | use redisish::{parse, Command, Error};
Nov 30 02:20:01.330 INFO [stderr]   |                                ^^^^^
Nov 30 02:20:01.330 INFO [stderr]   |
Nov 30 02:20:01.330 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 02:20:01.331 INFO [stderr] 
Nov 30 02:20:01.432 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 02:20:01.432 INFO [stderr]   --> mailbox/src/main.rs:65:5
Nov 30 02:20:01.432 INFO [stderr]    |
Nov 30 02:20:01.432 INFO [stderr] 65 |     stream.read_to_string(&mut buffer);
Nov 30 02:20:01.432 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:20:01.432 INFO [stderr]    |
Nov 30 02:20:01.432 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 02:20:01.432 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 02:20:01.432 INFO [stderr] 
Nov 30 02:20:01.468 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.84s
Nov 30 02:20:01.481 INFO [stderr] su: No module specific data is present
Nov 30 02:20:02.603 INFO running `"docker" "inspect" "b1c4275f6e420d92f47a9bbfce8f68dd0826f173422c79c4e2f6bb9af6a4e90b"`
Nov 30 02:20:02.936 INFO running `"docker" "rm" "-f" "b1c4275f6e420d92f47a9bbfce8f68dd0826f173422c79c4e2f6bb9af6a4e90b"`
Nov 30 02:20:03.308 INFO [stdout] b1c4275f6e420d92f47a9bbfce8f68dd0826f173422c79c4e2f6bb9af6a4e90b