Dec 18 13:03:05.015 INFO checking phoenix-0.1.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:03:05.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/phoenix/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:03:05.364 INFO [stdout] 83d2ae82099bcd6b65d04e0711648873a17c1900f43ed1d2a1bcb017acd62b07
Dec 18 13:03:05.367 INFO running `"docker" "start" "-a" "83d2ae82099bcd6b65d04e0711648873a17c1900f43ed1d2a1bcb017acd62b07"`
Dec 18 13:03:07.273 INFO [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/examples/basic.rs
Dec 18 13:03:07.520 INFO [stderr]     Checking websocket v0.20.4
Dec 18 13:03:10.576 INFO [stderr]     Checking phoenix v0.1.2 (/opt/crater/workdir)
Dec 18 13:03:12.180 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 13:03:12.180 INFO [stderr]  --> src/event.rs:1:5
Dec 18 13:03:12.180 INFO [stderr]   |
Dec 18 13:03:12.180 INFO [stderr] 1 | use std::fmt;
Dec 18 13:03:12.180 INFO [stderr]   |     ^^^^^^^^
Dec 18 13:03:12.180 INFO [stderr]   |
Dec 18 13:03:12.180 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:03:12.180 INFO [stderr] 
Dec 18 13:03:12.180 INFO [stderr] warning: unused import: `serde_json`
Dec 18 13:03:12.180 INFO [stderr]  --> src/event.rs:2:5
Dec 18 13:03:12.180 INFO [stderr]   |
Dec 18 13:03:12.180 INFO [stderr] 2 | use serde_json;
Dec 18 13:03:12.180 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 13:03:12.180 INFO [stderr] 
Dec 18 13:03:12.200 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 13:03:12.200 INFO [stderr]  --> src/event.rs:1:5
Dec 18 13:03:12.200 INFO [stderr]   |
Dec 18 13:03:12.200 INFO [stderr] 1 | use std::fmt;
Dec 18 13:03:12.200 INFO [stderr]   |     ^^^^^^^^
Dec 18 13:03:12.200 INFO [stderr]   |
Dec 18 13:03:12.200 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:03:12.200 INFO [stderr] 
Dec 18 13:03:12.553 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:03:12.553 INFO [stderr]    --> src/socket.rs:104:7
Dec 18 13:03:12.553 INFO [stderr]     |
Dec 18 13:03:12.553 INFO [stderr] 104 |                         send.send(v);
Dec 18 13:03:12.553 INFO [stderr]     |                         ^^^^^^^^^^^^^
Dec 18 13:03:12.553 INFO [stderr]     |
Dec 18 13:03:12.553 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 13:03:12.553 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:03:12.553 INFO [stderr] 
Dec 18 13:03:12.612 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:03:12.612 INFO [stderr]    --> src/socket.rs:104:7
Dec 18 13:03:12.612 INFO [stderr]     |
Dec 18 13:03:12.612 INFO [stderr] 104 |                         send.send(v);
Dec 18 13:03:12.612 INFO [stderr]     |                         ^^^^^^^^^^^^^
Dec 18 13:03:12.612 INFO [stderr]     |
Dec 18 13:03:12.616 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 13:03:12.616 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:03:12.616 INFO [stderr] 
Dec 18 13:03:15.732 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 13:03:15.732 INFO [stderr]  --> examples/basic.rs:2:1
Dec 18 13:03:15.732 INFO [stderr]   |
Dec 18 13:03:15.732 INFO [stderr] 2 | #[macro_use]
Dec 18 13:03:15.732 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 13:03:15.732 INFO [stderr]   |
Dec 18 13:03:15.732 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:03:15.732 INFO [stderr] 
Dec 18 13:03:16.292 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 13:03:16.292 INFO [stderr]  --> examples/basic.rs:2:1
Dec 18 13:03:16.292 INFO [stderr]   |
Dec 18 13:03:16.292 INFO [stderr] 2 | #[macro_use]
Dec 18 13:03:16.292 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 13:03:16.292 INFO [stderr]   |
Dec 18 13:03:16.292 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:03:16.292 INFO [stderr] 
Dec 18 13:03:16.460 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 13:03:16.462 INFO [stderr]  --> examples/basic.rs:2:1
Dec 18 13:03:16.462 INFO [stderr]   |
Dec 18 13:03:16.462 INFO [stderr] 2 | #[macro_use]
Dec 18 13:03:16.462 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 13:03:16.462 INFO [stderr]   |
Dec 18 13:03:16.462 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:03:16.462 INFO [stderr] 
Dec 18 13:03:16.576 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.32s
Dec 18 13:03:17.513 INFO running `"docker" "inspect" "83d2ae82099bcd6b65d04e0711648873a17c1900f43ed1d2a1bcb017acd62b07"`
Dec 18 13:03:17.850 INFO running `"docker" "rm" "-f" "83d2ae82099bcd6b65d04e0711648873a17c1900f43ed1d2a1bcb017acd62b07"`
Dec 18 13:03:18.136 INFO [stdout] 83d2ae82099bcd6b65d04e0711648873a17c1900f43ed1d2a1bcb017acd62b07