Nov 06 23:10:15.256 INFO checking davidbarsky/trace-prototype against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 23:10:15.256 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-0/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 23:10:15.481 INFO blam! 3598f375bcd572269ae09cdb4aec9a0a230c536b04ee5e843959a4678e344776
Nov 06 23:10:15.483 INFO running `"docker" "start" "-a" "3598f375bcd572269ae09cdb4aec9a0a230c536b04ee5e843959a4678e344776"`
Nov 06 23:10:15.932 INFO kablam! usermod: no changes
Nov 06 23:10:15.960 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 06 23:10:16.022 INFO kablam!     Checking crossbeam-deque v0.5.2
Nov 06 23:10:16.704 INFO kablam!     Checking crossbeam v0.4.1
Nov 06 23:10:18.056 INFO kablam!     Checking trace-prototype v0.1.0 (/source)
Nov 06 23:10:19.665 INFO kablam! warning: unused import: `channel`
Nov 06 23:10:19.665 INFO kablam!   --> src/main.rs:15:17
Nov 06 23:10:19.665 INFO kablam!    |
Nov 06 23:10:19.665 INFO kablam! 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Nov 06 23:10:19.665 INFO kablam!    |                 ^^^^^^^
Nov 06 23:10:19.665 INFO kablam!    |
Nov 06 23:10:19.665 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 06 23:10:19.665 INFO kablam! 
Nov 06 23:10:19.784 INFO kablam! warning: type alias is never used: `Channels`
Nov 06 23:10:19.784 INFO kablam!   --> src/main.rs:36:1
Nov 06 23:10:19.784 INFO kablam!    |
Nov 06 23:10:19.784 INFO kablam! 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Nov 06 23:10:19.784 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 23:10:19.784 INFO kablam!    |
Nov 06 23:10:19.784 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 06 23:10:19.784 INFO kablam! 
Nov 06 23:10:19.784 INFO kablam! warning: struct is never constructed: `Super`
Nov 06 23:10:19.785 INFO kablam!   --> src/main.rs:37:1
Nov 06 23:10:19.785 INFO kablam!    |
Nov 06 23:10:19.785 INFO kablam! 37 | struct Super {
Nov 06 23:10:19.785 INFO kablam!    | ^^^^^^^^^^^^
Nov 06 23:10:19.785 INFO kablam! 
Nov 06 23:10:19.785 INFO kablam! warning: method is never used: `new`
Nov 06 23:10:19.785 INFO kablam!   --> src/main.rs:43:5
Nov 06 23:10:19.785 INFO kablam!    |
Nov 06 23:10:19.785 INFO kablam! 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Nov 06 23:10:19.785 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 23:10:19.785 INFO kablam! 
Nov 06 23:10:19.836 INFO kablam! warning: unused import: `channel`
Nov 06 23:10:19.836 INFO kablam!   --> src/main.rs:15:17
Nov 06 23:10:19.836 INFO kablam!    |
Nov 06 23:10:19.836 INFO kablam! 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Nov 06 23:10:19.836 INFO kablam!    |                 ^^^^^^^
Nov 06 23:10:19.836 INFO kablam!    |
Nov 06 23:10:19.836 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 06 23:10:19.836 INFO kablam! 
Nov 06 23:10:19.917 INFO kablam! warning: type alias is never used: `Channels`
Nov 06 23:10:19.917 INFO kablam!   --> src/main.rs:36:1
Nov 06 23:10:19.917 INFO kablam!    |
Nov 06 23:10:19.917 INFO kablam! 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Nov 06 23:10:19.917 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 23:10:19.917 INFO kablam!    |
Nov 06 23:10:19.917 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 06 23:10:19.917 INFO kablam! 
Nov 06 23:10:19.917 INFO kablam! warning: struct is never constructed: `Super`
Nov 06 23:10:19.917 INFO kablam!   --> src/main.rs:37:1
Nov 06 23:10:19.917 INFO kablam!    |
Nov 06 23:10:19.917 INFO kablam! 37 | struct Super {
Nov 06 23:10:19.917 INFO kablam!    | ^^^^^^^^^^^^
Nov 06 23:10:19.917 INFO kablam! 
Nov 06 23:10:19.917 INFO kablam! warning: method is never used: `new`
Nov 06 23:10:19.917 INFO kablam!   --> src/main.rs:43:5
Nov 06 23:10:19.917 INFO kablam!    |
Nov 06 23:10:19.918 INFO kablam! 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Nov 06 23:10:19.918 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 23:10:19.918 INFO kablam! 
Nov 06 23:10:19.964 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
Nov 06 23:10:19.971 INFO kablam! su: No module specific data is present
Nov 06 23:10:20.429 INFO running `"docker" "rm" "-f" "3598f375bcd572269ae09cdb4aec9a0a230c536b04ee5e843959a4678e344776"`
Nov 06 23:10:20.622 INFO blam! 3598f375bcd572269ae09cdb4aec9a0a230c536b04ee5e843959a4678e344776