[INFO] updating cached repository suhr/ws-tox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/suhr/ws-tox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/ws-tox" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/suhr/ws-tox"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/suhr/ws-tox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/ws-tox" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/suhr/ws-tox"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/suhr/ws-tox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff1b0b47a0086e8bb4c8bfc269384cf552d12b82
[INFO] sha for GitHub repo suhr/ws-tox: ff1b0b47a0086e8bb4c8bfc269384cf552d12b82
[INFO] validating manifest of suhr/ws-tox on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of suhr/ws-tox on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing suhr/ws-tox
[INFO] finished frobbing suhr/ws-tox
[INFO] frobbed toml for suhr/ws-tox written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/suhr/ws-tox/Cargo.toml
[INFO] started frobbing suhr/ws-tox
[INFO] finished frobbing suhr/ws-tox
[INFO] frobbed toml for suhr/ws-tox written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/suhr/ws-tox/Cargo.toml
[INFO] crate suhr/ws-tox already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking suhr/ws-tox against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/suhr/ws-tox:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9ae6df828e6d3216b172b0cbaa51135dc3068cd820a4e380bf8d55a760ee6f12
[INFO] running `"docker" "start" "-a" "9ae6df828e6d3216b172b0cbaa51135dc3068cd820a4e380bf8d55a760ee6f12"`
[INFO] [stderr]     Checking rstox v0.0.1 (https://github.com/tox-rs/rstox.git#1793619c)
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking websocket v0.22.4
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking base64-serde v0.3.2
[INFO] [stderr]     Checking ws-tox-protocol v0.1.0 (https://github.com/tox-rs/ws-tox-protocol.git#402ee277)
[INFO] [stderr]     Checking ws-tox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Friend` is imported redundantly
[INFO] [stderr]    --> src/tox.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::protocol::*;
[INFO] [stderr]     |     ------------------ the item `Friend` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 113 |     use ws_tox_protocol::Friend;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Friend` is imported redundantly
[INFO] [stderr]    --> src/tox.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::protocol::*;
[INFO] [stderr]     |     ------------------ the item `Friend` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 113 |     use ws_tox_protocol::Friend;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/tox.rs:571:9
[INFO] [stderr]     |
[INFO] [stderr] 571 |         _ => drop(dbg!(request)),
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/tox.rs:571:9
[INFO] [stderr]     |
[INFO] [stderr] 571 |         _ => drop(dbg!(request)),
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.01s
[INFO] running `"docker" "inspect" "9ae6df828e6d3216b172b0cbaa51135dc3068cd820a4e380bf8d55a760ee6f12"`
[INFO] running `"docker" "rm" "-f" "9ae6df828e6d3216b172b0cbaa51135dc3068cd820a4e380bf8d55a760ee6f12"`
[INFO] [stdout] 9ae6df828e6d3216b172b0cbaa51135dc3068cd820a4e380bf8d55a760ee6f12