Dec 11 19:59:51.383 INFO checking davidbarsky/trace-prototype against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 19:59:51.383 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 19:59:51.552 INFO [stdout] d7089f639bb342e060c86009da1126864e31c5f5c6430737fcd555076bee25f1
Dec 11 19:59:51.553 INFO running `"docker" "start" "-a" "d7089f639bb342e060c86009da1126864e31c5f5c6430737fcd555076bee25f1"`
Dec 11 19:59:52.004 INFO [stderr] usermod: no changes
Dec 11 19:59:52.056 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 11 19:59:52.137 INFO [stderr]     Checking crossbeam-deque v0.5.2
Dec 11 19:59:52.928 INFO [stderr]     Checking crossbeam v0.4.1
Dec 11 19:59:54.212 INFO [stderr]     Checking trace-prototype v0.1.0 (/source)
Dec 11 19:59:55.920 INFO [stderr] warning: unused import: `channel`
Dec 11 19:59:55.920 INFO [stderr]   --> src/main.rs:15:17
Dec 11 19:59:55.920 INFO [stderr]    |
Dec 11 19:59:55.920 INFO [stderr] 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Dec 11 19:59:55.920 INFO [stderr]    |                 ^^^^^^^
Dec 11 19:59:55.920 INFO [stderr]    |
Dec 11 19:59:55.920 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 19:59:55.920 INFO [stderr] 
Dec 11 19:59:55.956 INFO [stderr] warning: unused import: `channel`
Dec 11 19:59:55.956 INFO [stderr]   --> src/main.rs:15:17
Dec 11 19:59:55.956 INFO [stderr]    |
Dec 11 19:59:55.956 INFO [stderr] 15 | use crossbeam::{channel, queue::SegQueue, Receiver, Sender};
Dec 11 19:59:55.956 INFO [stderr]    |                 ^^^^^^^
Dec 11 19:59:55.956 INFO [stderr]    |
Dec 11 19:59:55.956 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 19:59:55.956 INFO [stderr] 
Dec 11 19:59:56.003 INFO [stderr] warning: type alias is never used: `Channels`
Dec 11 19:59:56.003 INFO [stderr]   --> src/main.rs:36:1
Dec 11 19:59:56.003 INFO [stderr]    |
Dec 11 19:59:56.003 INFO [stderr] 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Dec 11 19:59:56.003 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:59:56.003 INFO [stderr]    |
Dec 11 19:59:56.003 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 19:59:56.003 INFO [stderr] 
Dec 11 19:59:56.003 INFO [stderr] warning: struct is never constructed: `Super`
Dec 11 19:59:56.003 INFO [stderr]   --> src/main.rs:37:1
Dec 11 19:59:56.003 INFO [stderr]    |
Dec 11 19:59:56.003 INFO [stderr] 37 | struct Super {
Dec 11 19:59:56.003 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 19:59:56.003 INFO [stderr] 
Dec 11 19:59:56.003 INFO [stderr] warning: method is never used: `new`
Dec 11 19:59:56.003 INFO [stderr]   --> src/main.rs:43:5
Dec 11 19:59:56.003 INFO [stderr]    |
Dec 11 19:59:56.003 INFO [stderr] 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Dec 11 19:59:56.003 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:59:56.003 INFO [stderr] 
Dec 11 19:59:56.040 INFO [stderr] warning: type alias is never used: `Channels`
Dec 11 19:59:56.040 INFO [stderr]   --> src/main.rs:36:1
Dec 11 19:59:56.040 INFO [stderr]    |
Dec 11 19:59:56.040 INFO [stderr] 36 | type Channels = Vec<(Sender<Span>, Receiver<Span>)>;
Dec 11 19:59:56.040 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:59:56.040 INFO [stderr]    |
Dec 11 19:59:56.040 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 19:59:56.040 INFO [stderr] 
Dec 11 19:59:56.040 INFO [stderr] warning: struct is never constructed: `Super`
Dec 11 19:59:56.040 INFO [stderr]   --> src/main.rs:37:1
Dec 11 19:59:56.040 INFO [stderr]    |
Dec 11 19:59:56.040 INFO [stderr] 37 | struct Super {
Dec 11 19:59:56.040 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 19:59:56.040 INFO [stderr] 
Dec 11 19:59:56.040 INFO [stderr] warning: method is never used: `new`
Dec 11 19:59:56.040 INFO [stderr]   --> src/main.rs:43:5
Dec 11 19:59:56.040 INFO [stderr]    |
Dec 11 19:59:56.040 INFO [stderr] 43 |     fn new(queue: SegQueue<Span>, channels: Channels) -> Self {
Dec 11 19:59:56.040 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:59:56.040 INFO [stderr] 
Dec 11 19:59:56.083 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
Dec 11 19:59:56.089 INFO [stderr] su: No module specific data is present
Dec 11 19:59:57.082 INFO running `"docker" "inspect" "d7089f639bb342e060c86009da1126864e31c5f5c6430737fcd555076bee25f1"`
Dec 11 19:59:57.372 INFO running `"docker" "rm" "-f" "d7089f639bb342e060c86009da1126864e31c5f5c6430737fcd555076bee25f1"`
Dec 11 19:59:57.656 INFO [stdout] d7089f639bb342e060c86009da1126864e31c5f5c6430737fcd555076bee25f1