[INFO] updating cached repository kvsari/message-queue
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kvsari/message-queue
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kvsari/message-queue" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/kvsari/message-queue"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/kvsari/message-queue'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kvsari/message-queue" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/kvsari/message-queue"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/kvsari/message-queue'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90906a0868b0a111bc05c0fb0d311bafde562c52
[INFO] sha for GitHub repo kvsari/message-queue: 90906a0868b0a111bc05c0fb0d311bafde562c52
[INFO] validating manifest of kvsari/message-queue on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kvsari/message-queue on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kvsari/message-queue
[INFO] finished frobbing kvsari/message-queue
[INFO] frobbed toml for kvsari/message-queue written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/kvsari/message-queue/Cargo.toml
[INFO] started frobbing kvsari/message-queue
[INFO] finished frobbing kvsari/message-queue
[INFO] frobbed toml for kvsari/message-queue written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/kvsari/message-queue/Cargo.toml
[INFO] crate kvsari/message-queue already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kvsari/message-queue against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/kvsari/message-queue:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ee3f5e42122a5f7558ff73ff24a4e6ff68b7a7ceda3b5e639315a3ff241b1ff3
[INFO] running `"docker" "start" "-a" "ee3f5e42122a5f7558ff73ff24a4e6ff68b7a7ceda3b5e639315a3ff241b1ff3"`
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]    Compiling derive-getters v0.0.2
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking message-queue v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `stream`
[INFO] [stderr]  --> src/mqueue.rs:4:48
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
[INFO] [stderr]   |                                                ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::sync::oneshot`
[INFO] [stderr]  --> src/mqueue.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures::sync::oneshot;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Receiver`
[INFO] [stderr]  --> src/mqueue.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
[INFO] [stderr]   |                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Dispenser`
[INFO] [stderr]  --> src/mqueue.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use endpoint::{self, Dispenser};
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/endpoint.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Entry`
[INFO] [stderr]  --> src/endpoint.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use polymorphic::{Record, Entry};
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stream`
[INFO] [stderr]  --> src/mqueue.rs:4:48
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::{Future, BoxFuture, Sink, Stream, stream};
[INFO] [stderr]   |                                                ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::sync::oneshot`
[INFO] [stderr]  --> src/mqueue.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures::sync::oneshot;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Receiver`
[INFO] [stderr]  --> src/mqueue.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::sync::mpsc::{self, Receiver, Sender};
[INFO] [stderr]   |                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Dispenser`
[INFO] [stderr]  --> src/mqueue.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use endpoint::{self, Dispenser};
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/endpoint.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Entry`
[INFO] [stderr]  --> src/endpoint.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use polymorphic::{Record, Entry};
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/mqueue.rs:130:20
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let (_, _, data, mut operation) = env.open();
[INFO] [stderr]     |                    ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/mqueue.rs:130:20
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let (_, _, data, mut operation) = env.open();
[INFO] [stderr]     |                    ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/polymorphic.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/polymorphic.rs:100:21
[INFO] [stderr]     |
[INFO] [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Yeeehaw`
[INFO] [stderr]   --> src/mqueue.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Yeeehaw,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Endpoint1`
[INFO] [stderr]   --> src/mqueue.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Endpoint1,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Endpoint2`
[INFO] [stderr]   --> src/mqueue.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Endpoint2,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/polymorphic.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/polymorphic.rs:100:21
[INFO] [stderr]     |
[INFO] [stderr] 100 |         if let Some(mut dsp) = dispenser.downcast_mut::<Simple<Record>>() {
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Yeeehaw`
[INFO] [stderr]   --> src/mqueue.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Yeeehaw,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Endpoint1`
[INFO] [stderr]   --> src/mqueue.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Endpoint1,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Endpoint2`
[INFO] [stderr]   --> src/mqueue.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Endpoint2,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "ee3f5e42122a5f7558ff73ff24a4e6ff68b7a7ceda3b5e639315a3ff241b1ff3"`
[INFO] running `"docker" "rm" "-f" "ee3f5e42122a5f7558ff73ff24a4e6ff68b7a7ceda3b5e639315a3ff241b1ff3"`
[INFO] [stdout] ee3f5e42122a5f7558ff73ff24a4e6ff68b7a7ceda3b5e639315a3ff241b1ff3