Nov 30 04:27:28.811 INFO checking davidbarsky/trace-prototype against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 04:27:28.811 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 04:27:29.284 INFO [stdout] 6240208a92cb22f816050a07d376c1998db3d3f364e0b21fc76acd6a19b7f4b0
Nov 30 04:27:29.288 INFO running `"docker" "start" "-a" "6240208a92cb22f816050a07d376c1998db3d3f364e0b21fc76acd6a19b7f4b0"`
Nov 30 04:27:30.964 INFO [stderr] usermod: no changes
Nov 30 04:27:31.015 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 30 04:27:31.142 INFO [stderr]     Checking crossbeam v0.4.1
Nov 30 04:27:32.544 INFO [stderr]     Checking trace-prototype v0.1.0 (/source)
Nov 30 04:27:34.236 INFO [stderr] warning: unused import: `channel`
Nov 30 04:27:34.236 INFO [stderr]   --> src/main.rs:15:17
Nov 30 04:27:34.236 INFO [stderr]    |
Nov 30 04:27:34.236 INFO [stderr] 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Nov 30 04:27:34.236 INFO [stderr]    |                 ^^^^^^^
Nov 30 04:27:34.236 INFO [stderr]    |
Nov 30 04:27:34.236 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 04:27:34.236 INFO [stderr] 
Nov 30 04:27:34.416 INFO [stderr] warning: type alias is never used: `Channels`
Nov 30 04:27:34.416 INFO [stderr]   --> src/main.rs:36:1
Nov 30 04:27:34.416 INFO [stderr]    |
Nov 30 04:27:34.416 INFO [stderr] 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Nov 30 04:27:34.416 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:27:34.416 INFO [stderr]    |
Nov 30 04:27:34.416 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 04:27:34.416 INFO [stderr] 
Nov 30 04:27:34.416 INFO [stderr] warning: struct is never constructed: `Super`
Nov 30 04:27:34.416 INFO [stderr]   --> src/main.rs:37:1
Nov 30 04:27:34.416 INFO [stderr]    |
Nov 30 04:27:34.416 INFO [stderr] 37 | struct Super {
Nov 30 04:27:34.416 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 04:27:34.416 INFO [stderr] 
Nov 30 04:27:34.416 INFO [stderr] warning: method is never used: `new`
Nov 30 04:27:34.416 INFO [stderr]   --> src/main.rs:43:5
Nov 30 04:27:34.416 INFO [stderr]    |
Nov 30 04:27:34.416 INFO [stderr] 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Nov 30 04:27:34.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:27:34.416 INFO [stderr] 
Nov 30 04:27:34.476 INFO [stderr] warning: unused import: `channel`
Nov 30 04:27:34.476 INFO [stderr]   --> src/main.rs:15:17
Nov 30 04:27:34.476 INFO [stderr]    |
Nov 30 04:27:34.476 INFO [stderr] 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Nov 30 04:27:34.476 INFO [stderr]    |                 ^^^^^^^
Nov 30 04:27:34.476 INFO [stderr]    |
Nov 30 04:27:34.476 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 04:27:34.476 INFO [stderr] 
Nov 30 04:27:34.566 INFO [stderr] warning: type alias is never used: `Channels`
Nov 30 04:27:34.566 INFO [stderr]   --> src/main.rs:36:1
Nov 30 04:27:34.566 INFO [stderr]    |
Nov 30 04:27:34.566 INFO [stderr] 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Nov 30 04:27:34.566 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:27:34.566 INFO [stderr]    |
Nov 30 04:27:34.566 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 04:27:34.566 INFO [stderr] 
Nov 30 04:27:34.566 INFO [stderr] warning: struct is never constructed: `Super`
Nov 30 04:27:34.566 INFO [stderr]   --> src/main.rs:37:1
Nov 30 04:27:34.566 INFO [stderr]    |
Nov 30 04:27:34.566 INFO [stderr] 37 | struct Super {
Nov 30 04:27:34.566 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 04:27:34.566 INFO [stderr] 
Nov 30 04:27:34.566 INFO [stderr] warning: method is never used: `new`
Nov 30 04:27:34.566 INFO [stderr]   --> src/main.rs:43:5
Nov 30 04:27:34.566 INFO [stderr]    |
Nov 30 04:27:34.566 INFO [stderr] 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Nov 30 04:27:34.566 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:27:34.566 INFO [stderr] 
Nov 30 04:27:34.621 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
Nov 30 04:27:34.626 INFO [stderr] su: No module specific data is present
Nov 30 04:27:35.202 INFO running `"docker" "inspect" "6240208a92cb22f816050a07d376c1998db3d3f364e0b21fc76acd6a19b7f4b0"`
Nov 30 04:27:35.570 INFO running `"docker" "rm" "-f" "6240208a92cb22f816050a07d376c1998db3d3f364e0b21fc76acd6a19b7f4b0"`
Nov 30 04:27:35.931 INFO [stdout] 6240208a92cb22f816050a07d376c1998db3d3f364e0b21fc76acd6a19b7f4b0