Nov 04 08:08:10.574 INFO checking davidbarsky/trace-prototype against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 08:08:10.575 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 04 08:08:10.864 INFO blam! 929e48b41930d77abdbd342b0670e4da8704ad5bb358039d5b0c37f4dfb4283d
Nov 04 08:08:10.864 INFO running `"docker" "start" "-a" "929e48b41930d77abdbd342b0670e4da8704ad5bb358039d5b0c37f4dfb4283d"`
Nov 04 08:08:11.346 INFO kablam! usermod: no changes
Nov 04 08:08:11.372 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 04 08:08:11.430 INFO kablam!     Checking crossbeam-deque v0.5.2
Nov 04 08:08:11.959 INFO kablam!     Checking crossbeam v0.4.1
Nov 04 08:08:13.039 INFO kablam!     Checking trace-prototype v0.1.0 (/source)
Nov 04 08:08:14.989 INFO kablam! warning: unused import: `channel`
Nov 04 08:08:14.989 INFO kablam!   --> src/main.rs:15:17
Nov 04 08:08:14.989 INFO kablam!    |
Nov 04 08:08:14.989 INFO kablam! 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Nov 04 08:08:14.989 INFO kablam!    |                 ^^^^^^^
Nov 04 08:08:14.989 INFO kablam!    |
Nov 04 08:08:14.989 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 04 08:08:14.989 INFO kablam! 
Nov 04 08:08:15.151 INFO kablam! warning: type alias is never used: `Channels`
Nov 04 08:08:15.151 INFO kablam!   --> src/main.rs:36:1
Nov 04 08:08:15.151 INFO kablam!    |
Nov 04 08:08:15.151 INFO kablam! 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Nov 04 08:08:15.151 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:08:15.151 INFO kablam!    |
Nov 04 08:08:15.151 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 08:08:15.151 INFO kablam! 
Nov 04 08:08:15.151 INFO kablam! warning: struct is never constructed: `Super`
Nov 04 08:08:15.151 INFO kablam!   --> src/main.rs:37:1
Nov 04 08:08:15.151 INFO kablam!    |
Nov 04 08:08:15.151 INFO kablam! 37 | struct Super {
Nov 04 08:08:15.151 INFO kablam!    | ^^^^^^^^^^^^
Nov 04 08:08:15.151 INFO kablam! 
Nov 04 08:08:15.151 INFO kablam! warning: method is never used: `new`
Nov 04 08:08:15.151 INFO kablam!   --> src/main.rs:43:5
Nov 04 08:08:15.151 INFO kablam!    |
Nov 04 08:08:15.151 INFO kablam! 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Nov 04 08:08:15.151 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:08:15.151 INFO kablam! 
Nov 04 08:08:15.192 INFO kablam! warning: unused import: `channel`
Nov 04 08:08:15.192 INFO kablam!   --> src/main.rs:15:17
Nov 04 08:08:15.192 INFO kablam!    |
Nov 04 08:08:15.192 INFO kablam! 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Nov 04 08:08:15.192 INFO kablam!    |                 ^^^^^^^
Nov 04 08:08:15.192 INFO kablam!    |
Nov 04 08:08:15.201 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 04 08:08:15.201 INFO kablam! 
Nov 04 08:08:15.296 INFO kablam! warning: type alias is never used: `Channels`
Nov 04 08:08:15.296 INFO kablam!   --> src/main.rs:36:1
Nov 04 08:08:15.296 INFO kablam!    |
Nov 04 08:08:15.297 INFO kablam! 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Nov 04 08:08:15.297 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:08:15.297 INFO kablam!    |
Nov 04 08:08:15.297 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 08:08:15.298 INFO kablam! 
Nov 04 08:08:15.298 INFO kablam! warning: struct is never constructed: `Super`
Nov 04 08:08:15.298 INFO kablam!   --> src/main.rs:37:1
Nov 04 08:08:15.298 INFO kablam!    |
Nov 04 08:08:15.298 INFO kablam! 37 | struct Super {
Nov 04 08:08:15.298 INFO kablam!    | ^^^^^^^^^^^^
Nov 04 08:08:15.298 INFO kablam! 
Nov 04 08:08:15.298 INFO kablam! warning: method is never used: `new`
Nov 04 08:08:15.298 INFO kablam!   --> src/main.rs:43:5
Nov 04 08:08:15.298 INFO kablam!    |
Nov 04 08:08:15.298 INFO kablam! 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Nov 04 08:08:15.298 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:08:15.298 INFO kablam! 
Nov 04 08:08:15.335 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
Nov 04 08:08:15.351 INFO kablam! su: No module specific data is present
Nov 04 08:08:16.435 INFO running `"docker" "rm" "-f" "929e48b41930d77abdbd342b0670e4da8704ad5bb358039d5b0c37f4dfb4283d"`
Nov 04 08:08:16.698 INFO blam! 929e48b41930d77abdbd342b0670e4da8704ad5bb358039d5b0c37f4dfb4283d