Dec 19 13:56:56.105 INFO checking kvsari/message-queue against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:56:56.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:56:56.527 INFO [stdout] 929f8d6fa537c4892e586f44744c35d4f330b191f415addc731dad7b6f95dd30
Dec 19 13:56:56.530 INFO running `"docker" "start" "-a" "929f8d6fa537c4892e586f44744c35d4f330b191f415addc731dad7b6f95dd30"`
Dec 19 13:56:58.704 INFO [stderr]    Compiling derive-getters v0.0.2
Dec 19 13:57:00.158 INFO [stderr]     Checking message-queue v0.1.0 (/opt/crater/workdir)
Dec 19 13:57:00.525 INFO [stderr] warning: unused import: `stream`
Dec 19 13:57:00.525 INFO [stderr]  --> src/mqueue.rs:4:48
Dec 19 13:57:00.525 INFO [stderr]   |
Dec 19 13:57:00.525 INFO [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
Dec 19 13:57:00.525 INFO [stderr]   |                                                ^^^^^^
Dec 19 13:57:00.525 INFO [stderr]   |
Dec 19 13:57:00.525 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:57:00.525 INFO [stderr] 
Dec 19 13:57:00.525 INFO [stderr] warning: unused import: `futures::sync::oneshot`
Dec 19 13:57:00.525 INFO [stderr]  --> src/mqueue.rs:5:5
Dec 19 13:57:00.525 INFO [stderr]   |
Dec 19 13:57:00.525 INFO [stderr] 5 | use futures::sync::oneshot;
Dec 19 13:57:00.525 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:57:00.525 INFO [stderr] 
Dec 19 13:57:00.525 INFO [stderr] warning: unused import: `Receiver`
Dec 19 13:57:00.525 INFO [stderr]  --> src/mqueue.rs:6:33
Dec 19 13:57:00.525 INFO [stderr]   |
Dec 19 13:57:00.525 INFO [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
Dec 19 13:57:00.525 INFO [stderr]   |                                 ^^^^^^^^
Dec 19 13:57:00.525 INFO [stderr] 
Dec 19 13:57:00.525 INFO [stderr] warning: unused import: `Dispenser`
Dec 19 13:57:00.525 INFO [stderr]  --> src/mqueue.rs:8:22
Dec 19 13:57:00.525 INFO [stderr]   |
Dec 19 13:57:00.525 INFO [stderr] 8 | use endpoint::{self, Dispenser};
Dec 19 13:57:00.525 INFO [stderr]   |                      ^^^^^^^^^
Dec 19 13:57:00.525 INFO [stderr] 
Dec 19 13:57:00.525 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 19 13:57:00.525 INFO [stderr]  --> src/endpoint.rs:1:5
Dec 19 13:57:00.525 INFO [stderr]   |
Dec 19 13:57:00.525 INFO [stderr] 1 | use std::fmt::Debug;
Dec 19 13:57:00.525 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 13:57:00.525 INFO [stderr] 
Dec 19 13:57:00.525 INFO [stderr] warning: unused import: `Entry`
Dec 19 13:57:00.525 INFO [stderr]  --> src/endpoint.rs:3:27
Dec 19 13:57:00.525 INFO [stderr]   |
Dec 19 13:57:00.525 INFO [stderr] 3 | use polymorphic::{Record, Entry};
Dec 19 13:57:00.525 INFO [stderr]   |                           ^^^^^
Dec 19 13:57:00.525 INFO [stderr] 
Dec 19 13:57:00.593 INFO [stderr] warning: unused import: `stream`
Dec 19 13:57:00.593 INFO [stderr]  --> src/mqueue.rs:4:48
Dec 19 13:57:00.593 INFO [stderr]   |
Dec 19 13:57:00.593 INFO [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
Dec 19 13:57:00.593 INFO [stderr]   |                                                ^^^^^^
Dec 19 13:57:00.593 INFO [stderr]   |
Dec 19 13:57:00.593 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:57:00.593 INFO [stderr] 
Dec 19 13:57:00.593 INFO [stderr] warning: unused import: `futures::sync::oneshot`
Dec 19 13:57:00.593 INFO [stderr]  --> src/mqueue.rs:5:5
Dec 19 13:57:00.593 INFO [stderr]   |
Dec 19 13:57:00.593 INFO [stderr] 5 | use futures::sync::oneshot;
Dec 19 13:57:00.593 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:57:00.593 INFO [stderr] 
Dec 19 13:57:00.593 INFO [stderr] warning: unused import: `Receiver`
Dec 19 13:57:00.593 INFO [stderr]  --> src/mqueue.rs:6:33
Dec 19 13:57:00.593 INFO [stderr]   |
Dec 19 13:57:00.593 INFO [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
Dec 19 13:57:00.593 INFO [stderr]   |                                 ^^^^^^^^
Dec 19 13:57:00.593 INFO [stderr] 
Dec 19 13:57:00.593 INFO [stderr] warning: unused import: `Dispenser`
Dec 19 13:57:00.593 INFO [stderr]  --> src/mqueue.rs:8:22
Dec 19 13:57:00.593 INFO [stderr]   |
Dec 19 13:57:00.593 INFO [stderr] 8 | use endpoint::{self, Dispenser};
Dec 19 13:57:00.593 INFO [stderr]   |                      ^^^^^^^^^
Dec 19 13:57:00.593 INFO [stderr] 
Dec 19 13:57:00.593 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 19 13:57:00.593 INFO [stderr]  --> src/endpoint.rs:1:5
Dec 19 13:57:00.593 INFO [stderr]   |
Dec 19 13:57:00.593 INFO [stderr] 1 | use std::fmt::Debug;
Dec 19 13:57:00.593 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 13:57:00.593 INFO [stderr] 
Dec 19 13:57:00.593 INFO [stderr] warning: unused import: `Entry`
Dec 19 13:57:00.593 INFO [stderr]  --> src/endpoint.rs:3:27
Dec 19 13:57:00.593 INFO [stderr]   |
Dec 19 13:57:00.593 INFO [stderr] 3 | use polymorphic::{Record, Entry};
Dec 19 13:57:00.593 INFO [stderr]   |                           ^^^^^
Dec 19 13:57:00.593 INFO [stderr] 
Dec 19 13:57:00.609 INFO [stderr] warning: unused variable: `data`
Dec 19 13:57:00.609 INFO [stderr]    --> src/mqueue.rs:130:20
Dec 19 13:57:00.609 INFO [stderr]     |
Dec 19 13:57:00.609 INFO [stderr] 130 |         let (_, _, data, mut operation) = env.open();
Dec 19 13:57:00.609 INFO [stderr]     |                    ^^^^ help: consider using `_data` instead
Dec 19 13:57:00.609 INFO [stderr]     |
Dec 19 13:57:00.609 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 13:57:00.609 INFO [stderr] 
Dec 19 13:57:00.632 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:57:00.632 INFO [stderr]   --> src/polymorphic.rs:73:21
Dec 19 13:57:00.632 INFO [stderr]    |
Dec 19 13:57:00.632 INFO [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 19 13:57:00.632 INFO [stderr]    |                     ----^^^
Dec 19 13:57:00.632 INFO [stderr]    |                     |
Dec 19 13:57:00.632 INFO [stderr]    |                     help: remove this `mut`
Dec 19 13:57:00.632 INFO [stderr]    |
Dec 19 13:57:00.632 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 13:57:00.632 INFO [stderr] 
Dec 19 13:57:00.632 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:57:00.632 INFO [stderr]    --> src/polymorphic.rs:100:21
Dec 19 13:57:00.632 INFO [stderr]     |
Dec 19 13:57:00.632 INFO [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 19 13:57:00.632 INFO [stderr]     |                     ----^^^
Dec 19 13:57:00.632 INFO [stderr]     |                     |
Dec 19 13:57:00.632 INFO [stderr]     |                     help: remove this `mut`
Dec 19 13:57:00.632 INFO [stderr] 
Dec 19 13:57:00.633 INFO [stderr] warning: variant is never constructed: `Yeeehaw`
Dec 19 13:57:00.633 INFO [stderr]   --> src/mqueue.rs:18:5
Dec 19 13:57:00.633 INFO [stderr]    |
Dec 19 13:57:00.633 INFO [stderr] 18 |     Yeeehaw,
Dec 19 13:57:00.633 INFO [stderr]    |     ^^^^^^^
Dec 19 13:57:00.633 INFO [stderr]    |
Dec 19 13:57:00.633 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:57:00.633 INFO [stderr] 
Dec 19 13:57:00.633 INFO [stderr] warning: variant is never constructed: `Endpoint1`
Dec 19 13:57:00.633 INFO [stderr]   --> src/mqueue.rs:24:5
Dec 19 13:57:00.633 INFO [stderr]    |
Dec 19 13:57:00.633 INFO [stderr] 24 |     Endpoint1,
Dec 19 13:57:00.633 INFO [stderr]    |     ^^^^^^^^^
Dec 19 13:57:00.633 INFO [stderr] 
Dec 19 13:57:00.633 INFO [stderr] warning: variant is never constructed: `Endpoint2`
Dec 19 13:57:00.633 INFO [stderr]   --> src/mqueue.rs:25:5
Dec 19 13:57:00.633 INFO [stderr]    |
Dec 19 13:57:00.633 INFO [stderr] 25 |     Endpoint2,
Dec 19 13:57:00.633 INFO [stderr]    |     ^^^^^^^^^
Dec 19 13:57:00.633 INFO [stderr] 
Dec 19 13:57:00.712 INFO [stderr] warning: unused variable: `data`
Dec 19 13:57:00.712 INFO [stderr]    --> src/mqueue.rs:130:20
Dec 19 13:57:00.712 INFO [stderr]     |
Dec 19 13:57:00.712 INFO [stderr] 130 |         let (_, _, data, mut operation) = env.open();
Dec 19 13:57:00.712 INFO [stderr]     |                    ^^^^ help: consider using `_data` instead
Dec 19 13:57:00.712 INFO [stderr]     |
Dec 19 13:57:00.712 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 13:57:00.712 INFO [stderr] 
Dec 19 13:57:00.736 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:57:00.736 INFO [stderr]   --> src/polymorphic.rs:73:21
Dec 19 13:57:00.736 INFO [stderr]    |
Dec 19 13:57:00.736 INFO [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 19 13:57:00.736 INFO [stderr]    |                     ----^^^
Dec 19 13:57:00.736 INFO [stderr]    |                     |
Dec 19 13:57:00.736 INFO [stderr]    |                     help: remove this `mut`
Dec 19 13:57:00.736 INFO [stderr]    |
Dec 19 13:57:00.736 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 13:57:00.736 INFO [stderr] 
Dec 19 13:57:00.736 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:57:00.736 INFO [stderr]    --> src/polymorphic.rs:100:21
Dec 19 13:57:00.736 INFO [stderr]     |
Dec 19 13:57:00.736 INFO [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
Dec 19 13:57:00.736 INFO [stderr]     |                     ----^^^
Dec 19 13:57:00.736 INFO [stderr]     |                     |
Dec 19 13:57:00.736 INFO [stderr]     |                     help: remove this `mut`
Dec 19 13:57:00.736 INFO [stderr] 
Dec 19 13:57:00.737 INFO [stderr] warning: variant is never constructed: `Yeeehaw`
Dec 19 13:57:00.737 INFO [stderr]   --> src/mqueue.rs:18:5
Dec 19 13:57:00.737 INFO [stderr]    |
Dec 19 13:57:00.737 INFO [stderr] 18 |     Yeeehaw,
Dec 19 13:57:00.737 INFO [stderr]    |     ^^^^^^^
Dec 19 13:57:00.737 INFO [stderr]    |
Dec 19 13:57:00.737 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:57:00.737 INFO [stderr] 
Dec 19 13:57:00.737 INFO [stderr] warning: variant is never constructed: `Endpoint1`
Dec 19 13:57:00.737 INFO [stderr]   --> src/mqueue.rs:24:5
Dec 19 13:57:00.737 INFO [stderr]    |
Dec 19 13:57:00.737 INFO [stderr] 24 |     Endpoint1,
Dec 19 13:57:00.737 INFO [stderr]    |     ^^^^^^^^^
Dec 19 13:57:00.737 INFO [stderr] 
Dec 19 13:57:00.737 INFO [stderr] warning: variant is never constructed: `Endpoint2`
Dec 19 13:57:00.737 INFO [stderr]   --> src/mqueue.rs:25:5
Dec 19 13:57:00.737 INFO [stderr]    |
Dec 19 13:57:00.737 INFO [stderr] 25 |     Endpoint2,
Dec 19 13:57:00.737 INFO [stderr]    |     ^^^^^^^^^
Dec 19 13:57:00.737 INFO [stderr] 
Dec 19 13:57:00.804 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
Dec 19 13:57:01.594 INFO running `"docker" "inspect" "929f8d6fa537c4892e586f44744c35d4f330b191f415addc731dad7b6f95dd30"`
Dec 19 13:57:01.932 INFO running `"docker" "rm" "-f" "929f8d6fa537c4892e586f44744c35d4f330b191f415addc731dad7b6f95dd30"`
Dec 19 13:57:02.183 INFO [stdout] 929f8d6fa537c4892e586f44744c35d4f330b191f415addc731dad7b6f95dd30