Nov 30 10:29:44.277 INFO checking JasonSmith/signal against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 10:29:44.277 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 10:29:44.660 INFO [stdout] bf3bd2069d727d8eacf31239e726b29463a641fb52af7dfc662cfa86931c69b5
Nov 30 10:29:44.662 INFO running `"docker" "start" "-a" "bf3bd2069d727d8eacf31239e726b29463a641fb52af7dfc662cfa86931c69b5"`
Nov 30 10:29:46.368 INFO [stderr] usermod: no changes
Nov 30 10:29:46.420 INFO [stderr]     Checking signal v0.1.0 (/source)
Nov 30 10:29:47.092 INFO [stderr] warning: unused import: `TypeId`
Nov 30 10:29:47.092 INFO [stderr]  --> src/signal.rs:1:21
Nov 30 10:29:47.092 INFO [stderr]   |
Nov 30 10:29:47.092 INFO [stderr] 1 | use std::any::{Any, TypeId};
Nov 30 10:29:47.092 INFO [stderr]   |                     ^^^^^^
Nov 30 10:29:47.092 INFO [stderr]   |
Nov 30 10:29:47.092 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:29:47.092 INFO [stderr] 
Nov 30 10:29:47.092 INFO [stderr] warning: unused import: `std::collections::hash_map::HashMap`
Nov 30 10:29:47.092 INFO [stderr]  --> src/signal.rs:4:5
Nov 30 10:29:47.092 INFO [stderr]   |
Nov 30 10:29:47.092 INFO [stderr] 4 | use std::collections::hash_map::HashMap;
Nov 30 10:29:47.092 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:29:47.092 INFO [stderr] 
Nov 30 10:29:47.144 INFO [stderr] warning: unused import: `TypeId`
Nov 30 10:29:47.144 INFO [stderr]  --> src/signal.rs:1:21
Nov 30 10:29:47.144 INFO [stderr]   |
Nov 30 10:29:47.144 INFO [stderr] 1 | use std::any::{Any, TypeId};
Nov 30 10:29:47.144 INFO [stderr]   |                     ^^^^^^
Nov 30 10:29:47.144 INFO [stderr]   |
Nov 30 10:29:47.144 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:29:47.144 INFO [stderr] 
Nov 30 10:29:47.146 INFO [stderr] warning: unused import: `std::collections::hash_map::HashMap`
Nov 30 10:29:47.146 INFO [stderr]  --> src/signal.rs:4:5
Nov 30 10:29:47.146 INFO [stderr]   |
Nov 30 10:29:47.146 INFO [stderr] 4 | use std::collections::hash_map::HashMap;
Nov 30 10:29:47.146 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:29:47.146 INFO [stderr] 
Nov 30 10:29:47.164 INFO [stderr] warning: unused variable: `callback`
Nov 30 10:29:47.164 INFO [stderr]   --> src/signal.rs:84:46
Nov 30 10:29:47.164 INFO [stderr]    |
Nov 30 10:29:47.164 INFO [stderr] 84 |    pub fn disconnect_with_data<F>(&mut self, callback: F)
Nov 30 10:29:47.164 INFO [stderr]    |                                              ^^^^^^^^ help: consider using `_callback` instead
Nov 30 10:29:47.164 INFO [stderr]    |
Nov 30 10:29:47.164 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 10:29:47.164 INFO [stderr] 
Nov 30 10:29:47.192 INFO [stderr] warning: type alias is never used: `CallbackID`
Nov 30 10:29:47.192 INFO [stderr]  --> src/signal.rs:6:1
Nov 30 10:29:47.192 INFO [stderr]   |
Nov 30 10:29:47.192 INFO [stderr] 6 | pub type CallbackID = usize;
Nov 30 10:29:47.192 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:29:47.192 INFO [stderr]   |
Nov 30 10:29:47.192 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 10:29:47.192 INFO [stderr] 
Nov 30 10:29:47.240 INFO [stderr] warning: unused variable: `callback`
Nov 30 10:29:47.240 INFO [stderr]   --> src/signal.rs:84:46
Nov 30 10:29:47.240 INFO [stderr]    |
Nov 30 10:29:47.240 INFO [stderr] 84 |    pub fn disconnect_with_data<F>(&mut self, callback: F)
Nov 30 10:29:47.240 INFO [stderr]    |                                              ^^^^^^^^ help: consider using `_callback` instead
Nov 30 10:29:47.240 INFO [stderr]    |
Nov 30 10:29:47.240 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 10:29:47.240 INFO [stderr] 
Nov 30 10:29:47.261 INFO [stderr] warning: type alias is never used: `CallbackID`
Nov 30 10:29:47.261 INFO [stderr]  --> src/signal.rs:6:1
Nov 30 10:29:47.261 INFO [stderr]   |
Nov 30 10:29:47.261 INFO [stderr] 6 | pub type CallbackID = usize;
Nov 30 10:29:47.261 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:29:47.261 INFO [stderr]   |
Nov 30 10:29:47.261 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 10:29:47.261 INFO [stderr] 
Nov 30 10:29:47.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 30 10:29:47.308 INFO [stderr] su: No module specific data is present
Nov 30 10:29:48.464 INFO running `"docker" "inspect" "bf3bd2069d727d8eacf31239e726b29463a641fb52af7dfc662cfa86931c69b5"`
Nov 30 10:29:48.798 INFO running `"docker" "rm" "-f" "bf3bd2069d727d8eacf31239e726b29463a641fb52af7dfc662cfa86931c69b5"`
Nov 30 10:29:49.144 INFO [stdout] bf3bd2069d727d8eacf31239e726b29463a641fb52af7dfc662cfa86931c69b5