Nov 30 10:29:43.385 INFO checking JasonSmith/signal against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 10:29:43.385 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 10:29:43.750 INFO [stdout] 2370e77153b85a0ba676fe48eba778308f287193f94a724d8cad899baac37fad
Nov 30 10:29:43.760 INFO running `"docker" "start" "-a" "2370e77153b85a0ba676fe48eba778308f287193f94a724d8cad899baac37fad"`
Nov 30 10:29:44.936 INFO [stderr] usermod: no changes
Nov 30 10:29:44.986 INFO [stderr]     Checking signal v0.1.0 (/source)
Nov 30 10:29:45.648 INFO [stderr] warning: unused import: `TypeId`
Nov 30 10:29:45.648 INFO [stderr]  --> src/signal.rs:1:21
Nov 30 10:29:45.648 INFO [stderr]   |
Nov 30 10:29:45.648 INFO [stderr] 1 | use std::any::{Any, TypeId};
Nov 30 10:29:45.648 INFO [stderr]   |                     ^^^^^^
Nov 30 10:29:45.648 INFO [stderr]   |
Nov 30 10:29:45.648 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:29:45.648 INFO [stderr] 
Nov 30 10:29:45.648 INFO [stderr] warning: unused import: `std::collections::hash_map::HashMap`
Nov 30 10:29:45.649 INFO [stderr]  --> src/signal.rs:4:5
Nov 30 10:29:45.649 INFO [stderr]   |
Nov 30 10:29:45.649 INFO [stderr] 4 | use std::collections::hash_map::HashMap;
Nov 30 10:29:45.649 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:29:45.649 INFO [stderr] 
Nov 30 10:29:45.700 INFO [stderr] warning: unused variable: `callback`
Nov 30 10:29:45.700 INFO [stderr]   --> src/signal.rs:84:46
Nov 30 10:29:45.700 INFO [stderr]    |
Nov 30 10:29:45.700 INFO [stderr] 84 |    pub fn disconnect_with_data<F>(&mut self, callback: F)
Nov 30 10:29:45.700 INFO [stderr]    |                                              ^^^^^^^^ help: consider using `_callback` instead
Nov 30 10:29:45.700 INFO [stderr]    |
Nov 30 10:29:45.700 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 10:29:45.700 INFO [stderr] 
Nov 30 10:29:45.726 INFO [stderr] warning: type alias is never used: `CallbackID`
Nov 30 10:29:45.726 INFO [stderr]  --> src/signal.rs:6:1
Nov 30 10:29:45.726 INFO [stderr]   |
Nov 30 10:29:45.726 INFO [stderr] 6 | pub type CallbackID = usize;
Nov 30 10:29:45.726 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:29:45.726 INFO [stderr]   |
Nov 30 10:29:45.726 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 10:29:45.726 INFO [stderr] 
Nov 30 10:29:45.908 INFO [stderr] warning: unused import: `TypeId`
Nov 30 10:29:45.908 INFO [stderr]  --> src/signal.rs:1:21
Nov 30 10:29:45.908 INFO [stderr]   |
Nov 30 10:29:45.908 INFO [stderr] 1 | use std::any::{Any, TypeId};
Nov 30 10:29:45.908 INFO [stderr]   |                     ^^^^^^
Nov 30 10:29:45.908 INFO [stderr]   |
Nov 30 10:29:45.908 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:29:45.908 INFO [stderr] 
Nov 30 10:29:45.908 INFO [stderr] warning: unused import: `std::collections::hash_map::HashMap`
Nov 30 10:29:45.908 INFO [stderr]  --> src/signal.rs:4:5
Nov 30 10:29:45.908 INFO [stderr]   |
Nov 30 10:29:45.908 INFO [stderr] 4 | use std::collections::hash_map::HashMap;
Nov 30 10:29:45.908 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:29:45.908 INFO [stderr] 
Nov 30 10:29:45.989 INFO [stderr] warning: unused variable: `callback`
Nov 30 10:29:45.989 INFO [stderr]   --> src/signal.rs:84:46
Nov 30 10:29:45.989 INFO [stderr]    |
Nov 30 10:29:45.989 INFO [stderr] 84 |    pub fn disconnect_with_data<F>(&mut self, callback: F)
Nov 30 10:29:45.989 INFO [stderr]    |                                              ^^^^^^^^ help: consider using `_callback` instead
Nov 30 10:29:45.989 INFO [stderr]    |
Nov 30 10:29:45.989 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 10:29:45.989 INFO [stderr] 
Nov 30 10:29:46.016 INFO [stderr] warning: type alias is never used: `CallbackID`
Nov 30 10:29:46.016 INFO [stderr]  --> src/signal.rs:6:1
Nov 30 10:29:46.016 INFO [stderr]   |
Nov 30 10:29:46.016 INFO [stderr] 6 | pub type CallbackID = usize;
Nov 30 10:29:46.016 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:29:46.016 INFO [stderr]   |
Nov 30 10:29:46.016 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 10:29:46.016 INFO [stderr] 
Nov 30 10:29:46.048 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Nov 30 10:29:46.048 INFO [stderr] su: No module specific data is present
Nov 30 10:29:46.944 INFO running `"docker" "inspect" "2370e77153b85a0ba676fe48eba778308f287193f94a724d8cad899baac37fad"`
Nov 30 10:29:47.270 INFO running `"docker" "rm" "-f" "2370e77153b85a0ba676fe48eba778308f287193f94a724d8cad899baac37fad"`
Nov 30 10:29:47.592 INFO [stdout] 2370e77153b85a0ba676fe48eba778308f287193f94a724d8cad899baac37fad