Nov 01 06:22:17.557 INFO checking davidbarsky/trace-prototype against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 06:22:17.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 06:22:17.824 INFO blam! 4f4e316f6550257b873ba6558b1e3d5e56df6e9eabf2f8cec885788d93211ae6
Nov 01 06:22:17.825 INFO running `"docker" "start" "-a" "4f4e316f6550257b873ba6558b1e3d5e56df6e9eabf2f8cec885788d93211ae6"`
Nov 01 06:22:18.718 INFO kablam! usermod: no changes
Nov 01 06:22:18.744 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 01 06:22:18.840 INFO kablam!     Checking crossbeam-deque v0.5.2
Nov 01 06:22:18.844 INFO kablam!     Checking failure v0.1.2
Nov 01 06:22:19.596 INFO kablam!     Checking crossbeam v0.4.1
Nov 01 06:22:20.730 INFO kablam!     Checking trace-prototype v0.1.0 (/source)
Nov 01 06:22:22.418 INFO kablam! warning: unused import: `channel`
Nov 01 06:22:22.418 INFO kablam!   --> src/main.rs:15:17
Nov 01 06:22:22.418 INFO kablam!    |
Nov 01 06:22:22.418 INFO kablam! 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Nov 01 06:22:22.418 INFO kablam!    |                 ^^^^^^^
Nov 01 06:22:22.419 INFO kablam!    |
Nov 01 06:22:22.419 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 06:22:22.419 INFO kablam! 
Nov 01 06:22:22.493 INFO kablam! warning: type alias is never used: `Channels`
Nov 01 06:22:22.493 INFO kablam!   --> src/main.rs:36:1
Nov 01 06:22:22.493 INFO kablam!    |
Nov 01 06:22:22.494 INFO kablam! 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Nov 01 06:22:22.494 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:22:22.494 INFO kablam!    |
Nov 01 06:22:22.494 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 06:22:22.494 INFO kablam! 
Nov 01 06:22:22.495 INFO kablam! warning: struct is never constructed: `Super`
Nov 01 06:22:22.495 INFO kablam!   --> src/main.rs:37:1
Nov 01 06:22:22.495 INFO kablam!    |
Nov 01 06:22:22.495 INFO kablam! 37 | struct Super {
Nov 01 06:22:22.495 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 06:22:22.495 INFO kablam! 
Nov 01 06:22:22.496 INFO kablam! warning: method is never used: `new`
Nov 01 06:22:22.497 INFO kablam!   --> src/main.rs:43:5
Nov 01 06:22:22.497 INFO kablam!    |
Nov 01 06:22:22.497 INFO kablam! 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Nov 01 06:22:22.497 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:22:22.497 INFO kablam! 
Nov 01 06:22:22.686 INFO kablam! warning: unused import: `channel`
Nov 01 06:22:22.687 INFO kablam!   --> src/main.rs:15:17
Nov 01 06:22:22.687 INFO kablam!    |
Nov 01 06:22:22.688 INFO kablam! 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Nov 01 06:22:22.689 INFO kablam!    |                 ^^^^^^^
Nov 01 06:22:22.689 INFO kablam!    |
Nov 01 06:22:22.690 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 06:22:22.691 INFO kablam! 
Nov 01 06:22:22.758 INFO kablam! warning: type alias is never used: `Channels`
Nov 01 06:22:22.759 INFO kablam!   --> src/main.rs:36:1
Nov 01 06:22:22.759 INFO kablam!    |
Nov 01 06:22:22.759 INFO kablam! 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Nov 01 06:22:22.759 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:22:22.759 INFO kablam!    |
Nov 01 06:22:22.759 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 06:22:22.759 INFO kablam! 
Nov 01 06:22:22.760 INFO kablam! warning: struct is never constructed: `Super`
Nov 01 06:22:22.771 INFO kablam!   --> src/main.rs:37:1
Nov 01 06:22:22.771 INFO kablam!    |
Nov 01 06:22:22.771 INFO kablam! 37 | struct Super {
Nov 01 06:22:22.771 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 06:22:22.771 INFO kablam! 
Nov 01 06:22:22.771 INFO kablam! warning: method is never used: `new`
Nov 01 06:22:22.771 INFO kablam!   --> src/main.rs:43:5
Nov 01 06:22:22.771 INFO kablam!    |
Nov 01 06:22:22.771 INFO kablam! 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Nov 01 06:22:22.771 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:22:22.771 INFO kablam! 
Nov 01 06:22:22.795 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
Nov 01 06:22:22.801 INFO kablam! su: No module specific data is present
Nov 01 06:22:23.329 INFO running `"docker" "rm" "-f" "4f4e316f6550257b873ba6558b1e3d5e56df6e9eabf2f8cec885788d93211ae6"`
Nov 01 06:22:23.583 INFO blam! 4f4e316f6550257b873ba6558b1e3d5e56df6e9eabf2f8cec885788d93211ae6