Dec 17 21:00:39.752 INFO checking kvsari/message-queue against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:00:39.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/kvsari/message-queue:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:00:40.372 INFO [stdout] f7d5f5bb65d61452b89e3895e548ee57709ea31c9ff5b36d104f7aeb4a319b68
Dec 17 21:00:40.378 INFO running `"docker" "start" "-a" "f7d5f5bb65d61452b89e3895e548ee57709ea31c9ff5b36d104f7aeb4a319b68"`
Dec 17 21:00:41.810 INFO [stderr]    Compiling derive-getters v0.0.2
Dec 17 21:00:43.832 INFO [stderr]     Checking message-queue v0.1.0 (/opt/crater/workdir)
Dec 17 21:00:44.248 INFO [stderr] warning: unused import: `stream`
Dec 17 21:00:44.248 INFO [stderr]  --> src/mqueue.rs:4:48
Dec 17 21:00:44.248 INFO [stderr]   |
Dec 17 21:00:44.248 INFO [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
Dec 17 21:00:44.248 INFO [stderr]   |                                                ^^^^^^
Dec 17 21:00:44.248 INFO [stderr]   |
Dec 17 21:00:44.248 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 21:00:44.248 INFO [stderr] 
Dec 17 21:00:44.248 INFO [stderr] warning: unused import: `futures::sync::oneshot`
Dec 17 21:00:44.248 INFO [stderr]  --> src/mqueue.rs:5:5
Dec 17 21:00:44.248 INFO [stderr]   |
Dec 17 21:00:44.248 INFO [stderr] 5 | use futures::sync::oneshot;
Dec 17 21:00:44.248 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:00:44.248 INFO [stderr] 
Dec 17 21:00:44.248 INFO [stderr] warning: unused import: `Receiver`
Dec 17 21:00:44.248 INFO [stderr]  --> src/mqueue.rs:6:33
Dec 17 21:00:44.248 INFO [stderr]   |
Dec 17 21:00:44.248 INFO [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
Dec 17 21:00:44.248 INFO [stderr]   |                                 ^^^^^^^^
Dec 17 21:00:44.248 INFO [stderr] 
Dec 17 21:00:44.248 INFO [stderr] warning: unused import: `Dispenser`
Dec 17 21:00:44.249 INFO [stderr]  --> src/mqueue.rs:8:22
Dec 17 21:00:44.249 INFO [stderr]   |
Dec 17 21:00:44.249 INFO [stderr] 8 | use endpoint::{self, Dispenser};
Dec 17 21:00:44.249 INFO [stderr]   |                      ^^^^^^^^^
Dec 17 21:00:44.249 INFO [stderr] 
Dec 17 21:00:44.249 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 17 21:00:44.249 INFO [stderr]  --> src/endpoint.rs:1:5
Dec 17 21:00:44.249 INFO [stderr]   |
Dec 17 21:00:44.249 INFO [stderr] 1 | use std::fmt::Debug;
Dec 17 21:00:44.249 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 17 21:00:44.249 INFO [stderr] 
Dec 17 21:00:44.256 INFO [stderr] warning: unused import: `Entry`
Dec 17 21:00:44.256 INFO [stderr]  --> src/endpoint.rs:3:27
Dec 17 21:00:44.256 INFO [stderr]   |
Dec 17 21:00:44.256 INFO [stderr] 3 | use polymorphic::{Record, Entry};
Dec 17 21:00:44.256 INFO [stderr]   |                           ^^^^^
Dec 17 21:00:44.256 INFO [stderr] 
Dec 17 21:00:44.268 INFO [stderr] warning: unused import: `stream`
Dec 17 21:00:44.268 INFO [stderr]  --> src/mqueue.rs:4:48
Dec 17 21:00:44.268 INFO [stderr]   |
Dec 17 21:00:44.268 INFO [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
Dec 17 21:00:44.268 INFO [stderr]   |                                                ^^^^^^
Dec 17 21:00:44.268 INFO [stderr]   |
Dec 17 21:00:44.268 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 21:00:44.268 INFO [stderr] 
Dec 17 21:00:44.268 INFO [stderr] warning: unused import: `futures::sync::oneshot`
Dec 17 21:00:44.268 INFO [stderr]  --> src/mqueue.rs:5:5
Dec 17 21:00:44.268 INFO [stderr]   |
Dec 17 21:00:44.268 INFO [stderr] 5 | use futures::sync::oneshot;
Dec 17 21:00:44.268 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:00:44.268 INFO [stderr] 
Dec 17 21:00:44.268 INFO [stderr] warning: unused import: `Receiver`
Dec 17 21:00:44.268 INFO [stderr]  --> src/mqueue.rs:6:33
Dec 17 21:00:44.268 INFO [stderr]   |
Dec 17 21:00:44.268 INFO [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
Dec 17 21:00:44.268 INFO [stderr]   |                                 ^^^^^^^^
Dec 17 21:00:44.268 INFO [stderr] 
Dec 17 21:00:44.268 INFO [stderr] warning: unused import: `Dispenser`
Dec 17 21:00:44.268 INFO [stderr]  --> src/mqueue.rs:8:22
Dec 17 21:00:44.268 INFO [stderr]   |
Dec 17 21:00:44.268 INFO [stderr] 8 | use endpoint::{self, Dispenser};
Dec 17 21:00:44.268 INFO [stderr]   |                      ^^^^^^^^^
Dec 17 21:00:44.269 INFO [stderr] 
Dec 17 21:00:44.269 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 17 21:00:44.269 INFO [stderr]  --> src/endpoint.rs:1:5
Dec 17 21:00:44.269 INFO [stderr]   |
Dec 17 21:00:44.269 INFO [stderr] 1 | use std::fmt::Debug;
Dec 17 21:00:44.269 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 17 21:00:44.269 INFO [stderr] 
Dec 17 21:00:44.269 INFO [stderr] warning: unused import: `Entry`
Dec 17 21:00:44.269 INFO [stderr]  --> src/endpoint.rs:3:27
Dec 17 21:00:44.269 INFO [stderr]   |
Dec 17 21:00:44.269 INFO [stderr] 3 | use polymorphic::{Record, Entry};
Dec 17 21:00:44.269 INFO [stderr]   |                           ^^^^^
Dec 17 21:00:44.269 INFO [stderr] 
Dec 17 21:00:44.393 INFO [stderr] warning: unused variable: `data`
Dec 17 21:00:44.393 INFO [stderr]    --> src/mqueue.rs:130:20
Dec 17 21:00:44.393 INFO [stderr]     |
Dec 17 21:00:44.393 INFO [stderr] 130 |         let (_, _, data, mut operation) = env.open();
Dec 17 21:00:44.393 INFO [stderr]     |                    ^^^^ help: consider using `_data` instead
Dec 17 21:00:44.393 INFO [stderr]     |
Dec 17 21:00:44.393 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 21:00:44.393 INFO [stderr] 
Dec 17 21:00:44.423 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:00:44.423 INFO [stderr]   --> src/polymorphic.rs:73:21
Dec 17 21:00:44.423 INFO [stderr]    |
Dec 17 21:00:44.423 INFO [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 17 21:00:44.424 INFO [stderr]    |                     ----^^^
Dec 17 21:00:44.424 INFO [stderr]    |                     |
Dec 17 21:00:44.424 INFO [stderr]    |                     help: remove this `mut`
Dec 17 21:00:44.424 INFO [stderr]    |
Dec 17 21:00:44.424 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 21:00:44.424 INFO [stderr] 
Dec 17 21:00:44.432 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:00:44.432 INFO [stderr]    --> src/polymorphic.rs:100:21
Dec 17 21:00:44.432 INFO [stderr]     |
Dec 17 21:00:44.432 INFO [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 17 21:00:44.432 INFO [stderr]     |                     ----^^^
Dec 17 21:00:44.432 INFO [stderr]     |                     |
Dec 17 21:00:44.433 INFO [stderr]     |                     help: remove this `mut`
Dec 17 21:00:44.433 INFO [stderr] 
Dec 17 21:00:44.433 INFO [stderr] warning: variant is never constructed: `Yeeehaw`
Dec 17 21:00:44.433 INFO [stderr]   --> src/mqueue.rs:18:5
Dec 17 21:00:44.433 INFO [stderr]    |
Dec 17 21:00:44.434 INFO [stderr] 18 |     Yeeehaw,
Dec 17 21:00:44.434 INFO [stderr]    |     ^^^^^^^
Dec 17 21:00:44.434 INFO [stderr]    |
Dec 17 21:00:44.434 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:00:44.434 INFO [stderr] 
Dec 17 21:00:44.434 INFO [stderr] warning: variant is never constructed: `Endpoint1`
Dec 17 21:00:44.434 INFO [stderr]   --> src/mqueue.rs:24:5
Dec 17 21:00:44.434 INFO [stderr]    |
Dec 17 21:00:44.434 INFO [stderr] 24 |     Endpoint1,
Dec 17 21:00:44.434 INFO [stderr]    |     ^^^^^^^^^
Dec 17 21:00:44.434 INFO [stderr] 
Dec 17 21:00:44.435 INFO [stderr] warning: variant is never constructed: `Endpoint2`
Dec 17 21:00:44.435 INFO [stderr]   --> src/mqueue.rs:25:5
Dec 17 21:00:44.435 INFO [stderr]    |
Dec 17 21:00:44.435 INFO [stderr] 25 |     Endpoint2,
Dec 17 21:00:44.435 INFO [stderr]    |     ^^^^^^^^^
Dec 17 21:00:44.435 INFO [stderr] 
Dec 17 21:00:44.492 INFO [stderr] warning: unused variable: `data`
Dec 17 21:00:44.492 INFO [stderr]    --> src/mqueue.rs:130:20
Dec 17 21:00:44.492 INFO [stderr]     |
Dec 17 21:00:44.492 INFO [stderr] 130 |         let (_, _, data, mut operation) = env.open();
Dec 17 21:00:44.492 INFO [stderr]     |                    ^^^^ help: consider using `_data` instead
Dec 17 21:00:44.492 INFO [stderr]     |
Dec 17 21:00:44.492 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 21:00:44.492 INFO [stderr] 
Dec 17 21:00:44.556 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:00:44.556 INFO [stderr]   --> src/polymorphic.rs:73:21
Dec 17 21:00:44.556 INFO [stderr]    |
Dec 17 21:00:44.556 INFO [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 17 21:00:44.556 INFO [stderr]    |                     ----^^^
Dec 17 21:00:44.556 INFO [stderr]    |                     |
Dec 17 21:00:44.556 INFO [stderr]    |                     help: remove this `mut`
Dec 17 21:00:44.556 INFO [stderr]    |
Dec 17 21:00:44.556 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 21:00:44.556 INFO [stderr] 
Dec 17 21:00:44.556 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:00:44.556 INFO [stderr]    --> src/polymorphic.rs:100:21
Dec 17 21:00:44.557 INFO [stderr]     |
Dec 17 21:00:44.557 INFO [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 17 21:00:44.557 INFO [stderr]     |                     ----^^^
Dec 17 21:00:44.557 INFO [stderr]     |                     |
Dec 17 21:00:44.557 INFO [stderr]     |                     help: remove this `mut`
Dec 17 21:00:44.557 INFO [stderr] 
Dec 17 21:00:44.557 INFO [stderr] warning: variant is never constructed: `Yeeehaw`
Dec 17 21:00:44.557 INFO [stderr]   --> src/mqueue.rs:18:5
Dec 17 21:00:44.557 INFO [stderr]    |
Dec 17 21:00:44.557 INFO [stderr] 18 |     Yeeehaw,
Dec 17 21:00:44.557 INFO [stderr]    |     ^^^^^^^
Dec 17 21:00:44.557 INFO [stderr]    |
Dec 17 21:00:44.557 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:00:44.557 INFO [stderr] 
Dec 17 21:00:44.557 INFO [stderr] warning: variant is never constructed: `Endpoint1`
Dec 17 21:00:44.557 INFO [stderr]   --> src/mqueue.rs:24:5
Dec 17 21:00:44.557 INFO [stderr]    |
Dec 17 21:00:44.557 INFO [stderr] 24 |     Endpoint1,
Dec 17 21:00:44.557 INFO [stderr]    |     ^^^^^^^^^
Dec 17 21:00:44.557 INFO [stderr] 
Dec 17 21:00:44.557 INFO [stderr] warning: variant is never constructed: `Endpoint2`
Dec 17 21:00:44.557 INFO [stderr]   --> src/mqueue.rs:25:5
Dec 17 21:00:44.557 INFO [stderr]    |
Dec 17 21:00:44.557 INFO [stderr] 25 |     Endpoint2,
Dec 17 21:00:44.557 INFO [stderr]    |     ^^^^^^^^^
Dec 17 21:00:44.557 INFO [stderr] 
Dec 17 21:00:44.622 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Dec 17 21:00:45.693 INFO running `"docker" "inspect" "f7d5f5bb65d61452b89e3895e548ee57709ea31c9ff5b36d104f7aeb4a319b68"`
Dec 17 21:00:46.010 INFO running `"docker" "rm" "-f" "f7d5f5bb65d61452b89e3895e548ee57709ea31c9ff5b36d104f7aeb4a319b68"`
Dec 17 21:00:46.244 INFO [stdout] f7d5f5bb65d61452b89e3895e548ee57709ea31c9ff5b36d104f7aeb4a319b68