[INFO] updating cached repository https://github.com/suhr/ws-tox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff1b0b47a0086e8bb4c8bfc269384cf552d12b82
[INFO] checking suhr/ws-tox against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fws-tox" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhr/ws-tox on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/suhr/ws-tox
[INFO] finished tweaking git repo https://github.com/suhr/ws-tox
[INFO] tweaked toml for git repo https://github.com/suhr/ws-tox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/suhr/ws-tox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1708affc067663a734173f63506dbc3aef30fee9aad33c74fceee1ae45c634a8
[INFO] running `"docker" "start" "-a" "1708affc067663a734173f63506dbc3aef30fee9aad33c74fceee1ae45c634a8"`
[INFO] [stderr]     Checking rstox v0.0.1 (https://github.com/tox-rs/rstox.git#1793619c)
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking base64-serde v0.3.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking ws-tox-protocol v0.1.0 (https://github.com/tox-rs/ws-tox-protocol.git#402ee277)
[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 ws-tox v0.1.0 (/opt/rustwide/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: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:94:38
[INFO] [stderr]    |
[INFO] [stderr] 94 |                         .map(|_| ());;
[INFO] [stderr]    |                                      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolon)]` 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: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:94:38
[INFO] [stderr]    |
[INFO] [stderr] 94 |                         .map(|_| ());;
[INFO] [stderr]    |                                      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolon)]` 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 30.82s
[INFO] running `"docker" "inspect" "1708affc067663a734173f63506dbc3aef30fee9aad33c74fceee1ae45c634a8"`
[INFO] running `"docker" "rm" "-f" "1708affc067663a734173f63506dbc3aef30fee9aad33c74fceee1ae45c634a8"`
[INFO] [stdout] 1708affc067663a734173f63506dbc3aef30fee9aad33c74fceee1ae45c634a8