Nov 28 04:43:54.479 INFO checking grenade/rust-tutorial against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 04:43:54.481 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 04:43:54.848 INFO [stdout] d723f01a434e5d4a02a8304c256634418ab08f59244ece131f04cfa3a78e1c37
Nov 28 04:43:54.851 INFO running `"docker" "start" "-a" "d723f01a434e5d4a02a8304c256634418ab08f59244ece131f04cfa3a78e1c37"`
Nov 28 04:43:56.128 INFO [stderr] usermod: no changes
Nov 28 04:43:56.232 INFO [stderr]     Checking redisish v0.1.0 (/source/redisish)
Nov 28 04:43:56.233 INFO [stderr]     Checking tutorial v0.1.0 (/source)
Nov 28 04:43:56.829 INFO [stderr]     Checking mailbox v0.1.0 (/source/mailbox)
Nov 28 04:43:58.460 INFO [stderr] warning: unused import: `Error`
Nov 28 04:43:58.460 INFO [stderr]  --> mailbox/src/main.rs:4:32
Nov 28 04:43:58.460 INFO [stderr]   |
Nov 28 04:43:58.460 INFO [stderr] 4 | use redisish::{parse, Command, Error};
Nov 28 04:43:58.460 INFO [stderr]   |                                ^^^^^
Nov 28 04:43:58.460 INFO [stderr]   |
Nov 28 04:43:58.460 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:43:58.460 INFO [stderr] 
Nov 28 04:43:58.624 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 04:43:58.624 INFO [stderr]   --> mailbox/src/main.rs:65:5
Nov 28 04:43:58.624 INFO [stderr]    |
Nov 28 04:43:58.624 INFO [stderr] 65 |     stream.read_to_string(&mut buffer);
Nov 28 04:43:58.624 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:43:58.624 INFO [stderr]    |
Nov 28 04:43:58.624 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 04:43:58.624 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 04:43:58.624 INFO [stderr] 
Nov 28 04:43:58.712 INFO [stderr] warning: unused import: `Error`
Nov 28 04:43:58.712 INFO [stderr]  --> mailbox/src/main.rs:4:32
Nov 28 04:43:58.712 INFO [stderr]   |
Nov 28 04:43:58.712 INFO [stderr] 4 | use redisish::{parse, Command, Error};
Nov 28 04:43:58.712 INFO [stderr]   |                                ^^^^^
Nov 28 04:43:58.712 INFO [stderr]   |
Nov 28 04:43:58.712 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:43:58.712 INFO [stderr] 
Nov 28 04:43:58.823 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 04:43:58.824 INFO [stderr]   --> mailbox/src/main.rs:65:5
Nov 28 04:43:58.824 INFO [stderr]    |
Nov 28 04:43:58.825 INFO [stderr] 65 |     stream.read_to_string(&mut buffer);
Nov 28 04:43:58.825 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:43:58.825 INFO [stderr]    |
Nov 28 04:43:58.825 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 04:43:58.825 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 04:43:58.825 INFO [stderr] 
Nov 28 04:43:58.853 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Nov 28 04:43:58.859 INFO [stderr] su: No module specific data is present
Nov 28 04:43:59.749 INFO running `"docker" "inspect" "d723f01a434e5d4a02a8304c256634418ab08f59244ece131f04cfa3a78e1c37"`
Nov 28 04:43:59.991 INFO running `"docker" "rm" "-f" "d723f01a434e5d4a02a8304c256634418ab08f59244ece131f04cfa3a78e1c37"`
Nov 28 04:44:00.334 INFO [stdout] d723f01a434e5d4a02a8304c256634418ab08f59244ece131f04cfa3a78e1c37