Dec 05 01:55:55.470 INFO checking JasonSmith/signal against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 01:55:55.470 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 01:55:55.947 INFO [stdout] 6c6b187ae468721d336f78e3ebc9490b8f6fe6a7f6f809720f97c60c27b36903
Dec 05 01:55:55.954 INFO running `"docker" "start" "-a" "6c6b187ae468721d336f78e3ebc9490b8f6fe6a7f6f809720f97c60c27b36903"`
Dec 05 01:55:57.026 INFO [stderr] usermod: no changes
Dec 05 01:55:57.088 INFO [stderr]     Checking signal v0.1.0 (/source)
Dec 05 01:55:57.579 INFO [stderr] warning: unused import: `TypeId`
Dec 05 01:55:57.579 INFO [stderr]  --> src/signal.rs:1:21
Dec 05 01:55:57.579 INFO [stderr]   |
Dec 05 01:55:57.579 INFO [stderr] 1 | use std::any::{Any, TypeId};
Dec 05 01:55:57.579 INFO [stderr]   |                     ^^^^^^
Dec 05 01:55:57.579 INFO [stderr]   |
Dec 05 01:55:57.579 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:55:57.579 INFO [stderr] 
Dec 05 01:55:57.579 INFO [stderr] warning: unused import: `std::collections::hash_map::HashMap`
Dec 05 01:55:57.579 INFO [stderr]  --> src/signal.rs:4:5
Dec 05 01:55:57.579 INFO [stderr]   |
Dec 05 01:55:57.579 INFO [stderr] 4 | use std::collections::hash_map::HashMap;
Dec 05 01:55:57.579 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:55:57.579 INFO [stderr] 
Dec 05 01:55:57.653 INFO [stderr] warning: unused variable: `callback`
Dec 05 01:55:57.653 INFO [stderr]   --> src/signal.rs:84:46
Dec 05 01:55:57.653 INFO [stderr]    |
Dec 05 01:55:57.653 INFO [stderr] 84 |    pub fn disconnect_with_data<F>(&mut self, callback: F)
Dec 05 01:55:57.653 INFO [stderr]    |                                              ^^^^^^^^ help: consider using `_callback` instead
Dec 05 01:55:57.653 INFO [stderr]    |
Dec 05 01:55:57.653 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 01:55:57.653 INFO [stderr] 
Dec 05 01:55:57.669 INFO [stderr] warning: type alias is never used: `CallbackID`
Dec 05 01:55:57.669 INFO [stderr]  --> src/signal.rs:6:1
Dec 05 01:55:57.669 INFO [stderr]   |
Dec 05 01:55:57.669 INFO [stderr] 6 | pub type CallbackID = usize;
Dec 05 01:55:57.669 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:55:57.669 INFO [stderr]   |
Dec 05 01:55:57.669 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 01:55:57.669 INFO [stderr] 
Dec 05 01:55:57.867 INFO [stderr] warning: unused import: `TypeId`
Dec 05 01:55:57.867 INFO [stderr]  --> src/signal.rs:1:21
Dec 05 01:55:57.867 INFO [stderr]   |
Dec 05 01:55:57.867 INFO [stderr] 1 | use std::any::{Any, TypeId};
Dec 05 01:55:57.867 INFO [stderr]   |                     ^^^^^^
Dec 05 01:55:57.867 INFO [stderr]   |
Dec 05 01:55:57.867 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:55:57.867 INFO [stderr] 
Dec 05 01:55:57.867 INFO [stderr] warning: unused import: `std::collections::hash_map::HashMap`
Dec 05 01:55:57.867 INFO [stderr]  --> src/signal.rs:4:5
Dec 05 01:55:57.867 INFO [stderr]   |
Dec 05 01:55:57.867 INFO [stderr] 4 | use std::collections::hash_map::HashMap;
Dec 05 01:55:57.867 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:55:57.867 INFO [stderr] 
Dec 05 01:55:57.903 INFO [stderr] warning: unused variable: `callback`
Dec 05 01:55:57.903 INFO [stderr]   --> src/signal.rs:84:46
Dec 05 01:55:57.903 INFO [stderr]    |
Dec 05 01:55:57.903 INFO [stderr] 84 |    pub fn disconnect_with_data<F>(&mut self, callback: F)
Dec 05 01:55:57.903 INFO [stderr]    |                                              ^^^^^^^^ help: consider using `_callback` instead
Dec 05 01:55:57.903 INFO [stderr]    |
Dec 05 01:55:57.903 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 01:55:57.903 INFO [stderr] 
Dec 05 01:55:57.914 INFO [stderr] warning: type alias is never used: `CallbackID`
Dec 05 01:55:57.914 INFO [stderr]  --> src/signal.rs:6:1
Dec 05 01:55:57.914 INFO [stderr]   |
Dec 05 01:55:57.914 INFO [stderr] 6 | pub type CallbackID = usize;
Dec 05 01:55:57.914 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:55:57.914 INFO [stderr]   |
Dec 05 01:55:57.914 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 01:55:57.914 INFO [stderr] 
Dec 05 01:55:57.935 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Dec 05 01:55:57.943 INFO [stderr] su: No module specific data is present
Dec 05 01:55:58.513 INFO running `"docker" "inspect" "6c6b187ae468721d336f78e3ebc9490b8f6fe6a7f6f809720f97c60c27b36903"`
Dec 05 01:55:58.801 INFO running `"docker" "rm" "-f" "6c6b187ae468721d336f78e3ebc9490b8f6fe6a7f6f809720f97c60c27b36903"`
Dec 05 01:55:58.963 INFO [stdout] 6c6b187ae468721d336f78e3ebc9490b8f6fe6a7f6f809720f97c60c27b36903