Dec 04 20:08:02.698 INFO checking davidbarsky/trace-prototype against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:08:02.698 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 20:08:03.243 INFO [stdout] 8d1fdfcf1eb84f59fd094872b26561cc9f5da4459170963ffc15e5cea770eb3e
Dec 04 20:08:03.251 INFO running `"docker" "start" "-a" "8d1fdfcf1eb84f59fd094872b26561cc9f5da4459170963ffc15e5cea770eb3e"`
Dec 04 20:08:04.547 INFO [stderr] usermod: no changes
Dec 04 20:08:04.587 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 04 20:08:04.699 INFO [stderr]     Checking crossbeam-deque v0.5.2
Dec 04 20:08:04.699 INFO [stderr]     Checking failure v0.1.2
Dec 04 20:08:05.876 INFO [stderr]     Checking crossbeam v0.4.1
Dec 04 20:08:07.268 INFO [stderr]     Checking trace-prototype v0.1.0 (/source)
Dec 04 20:08:09.026 INFO [stderr] warning: unused import: `channel`
Dec 04 20:08:09.026 INFO [stderr]   --> src/main.rs:15:17
Dec 04 20:08:09.026 INFO [stderr]    |
Dec 04 20:08:09.026 INFO [stderr] 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Dec 04 20:08:09.026 INFO [stderr]    |                 ^^^^^^^
Dec 04 20:08:09.026 INFO [stderr]    |
Dec 04 20:08:09.026 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 20:08:09.026 INFO [stderr] 
Dec 04 20:08:09.139 INFO [stderr] warning: type alias is never used: `Channels`
Dec 04 20:08:09.139 INFO [stderr]   --> src/main.rs:36:1
Dec 04 20:08:09.139 INFO [stderr]    |
Dec 04 20:08:09.139 INFO [stderr] 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Dec 04 20:08:09.139 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:08:09.139 INFO [stderr]    |
Dec 04 20:08:09.139 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 20:08:09.139 INFO [stderr] 
Dec 04 20:08:09.139 INFO [stderr] warning: struct is never constructed: `Super`
Dec 04 20:08:09.139 INFO [stderr]   --> src/main.rs:37:1
Dec 04 20:08:09.139 INFO [stderr]    |
Dec 04 20:08:09.139 INFO [stderr] 37 | struct Super {
Dec 04 20:08:09.139 INFO [stderr]    | ^^^^^^^^^^^^
Dec 04 20:08:09.139 INFO [stderr] 
Dec 04 20:08:09.139 INFO [stderr] warning: method is never used: `new`
Dec 04 20:08:09.139 INFO [stderr]   --> src/main.rs:43:5
Dec 04 20:08:09.139 INFO [stderr]    |
Dec 04 20:08:09.139 INFO [stderr] 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Dec 04 20:08:09.139 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:08:09.139 INFO [stderr] 
Dec 04 20:08:09.223 INFO [stderr] warning: unused import: `channel`
Dec 04 20:08:09.223 INFO [stderr]   --> src/main.rs:15:17
Dec 04 20:08:09.223 INFO [stderr]    |
Dec 04 20:08:09.223 INFO [stderr] 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Dec 04 20:08:09.223 INFO [stderr]    |                 ^^^^^^^
Dec 04 20:08:09.223 INFO [stderr]    |
Dec 04 20:08:09.223 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 20:08:09.223 INFO [stderr] 
Dec 04 20:08:09.327 INFO [stderr] warning: type alias is never used: `Channels`
Dec 04 20:08:09.327 INFO [stderr]   --> src/main.rs:36:1
Dec 04 20:08:09.327 INFO [stderr]    |
Dec 04 20:08:09.327 INFO [stderr] 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Dec 04 20:08:09.327 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:08:09.327 INFO [stderr]    |
Dec 04 20:08:09.327 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 20:08:09.327 INFO [stderr] 
Dec 04 20:08:09.327 INFO [stderr] warning: struct is never constructed: `Super`
Dec 04 20:08:09.327 INFO [stderr]   --> src/main.rs:37:1
Dec 04 20:08:09.327 INFO [stderr]    |
Dec 04 20:08:09.327 INFO [stderr] 37 | struct Super {
Dec 04 20:08:09.327 INFO [stderr]    | ^^^^^^^^^^^^
Dec 04 20:08:09.327 INFO [stderr] 
Dec 04 20:08:09.327 INFO [stderr] warning: method is never used: `new`
Dec 04 20:08:09.327 INFO [stderr]   --> src/main.rs:43:5
Dec 04 20:08:09.327 INFO [stderr]    |
Dec 04 20:08:09.327 INFO [stderr] 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Dec 04 20:08:09.327 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:08:09.327 INFO [stderr] 
Dec 04 20:08:09.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
Dec 04 20:08:09.364 INFO [stderr] su: No module specific data is present
Dec 04 20:08:09.943 INFO running `"docker" "inspect" "8d1fdfcf1eb84f59fd094872b26561cc9f5da4459170963ffc15e5cea770eb3e"`
Dec 04 20:08:10.147 INFO running `"docker" "rm" "-f" "8d1fdfcf1eb84f59fd094872b26561cc9f5da4459170963ffc15e5cea770eb3e"`
Dec 04 20:08:10.419 INFO [stdout] 8d1fdfcf1eb84f59fd094872b26561cc9f5da4459170963ffc15e5cea770eb3e