[INFO] cloning repository https://github.com/suhr/ws-tox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhr/ws-tox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fws-tox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fws-tox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff1b0b47a0086e8bb4c8bfc269384cf552d12b82
[INFO] checking suhr/ws-tox against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fws-tox" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhr/ws-tox on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/suhr/ws-tox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tox-rs/rstox.git`
[INFO] [stderr]     Updating git repository `https://github.com/tox-rs/ws-tox-protocol.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded websocket v0.22.4
[INFO] [stderr]   Downloaded base64-serde v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a13a2a6ae61311bb240223ca94e5f8c78b13108470d9ec7206cc145276c95fcf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a13a2a6ae61311bb240223ca94e5f8c78b13108470d9ec7206cc145276c95fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a13a2a6ae61311bb240223ca94e5f8c78b13108470d9ec7206cc145276c95fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13a2a6ae61311bb240223ca94e5f8c78b13108470d9ec7206cc145276c95fcf", kill_on_drop: false }`
[INFO] [stdout] a13a2a6ae61311bb240223ca94e5f8c78b13108470d9ec7206cc145276c95fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da101dc1dec425b0bf51201ef9926658a0b24fd2ee58c8b9a64d3b2aa4998dd7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da101dc1dec425b0bf51201ef9926658a0b24fd2ee58c8b9a64d3b2aa4998dd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rstox v0.0.1 (https://github.com/tox-rs/rstox.git#1793619c)
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking websocket v0.22.4
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]     Checking base64-serde v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.39
[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/rustwide/workdir)
[INFO] [stdout] warning: the item `Friend` is imported redundantly
[INFO] [stdout]    --> src/tox.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 7   | use crate::protocol::*;
[INFO] [stdout]     |     ------------------ the item `Friend` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     use ws_tox_protocol::Friend;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:94:38
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         .map(|_| ());;
[INFO] [stdout]    |                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Friend` is imported redundantly
[INFO] [stdout]    --> src/tox.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 7   | use crate::protocol::*;
[INFO] [stdout]     |     ------------------ the item `Friend` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     use ws_tox_protocol::Friend;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:94:38
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         .map(|_| ());;
[INFO] [stdout]    |                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/tox.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |         _ => drop(dbg!(request)),
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/tox.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |         _ => drop(dbg!(request)),
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "da101dc1dec425b0bf51201ef9926658a0b24fd2ee58c8b9a64d3b2aa4998dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da101dc1dec425b0bf51201ef9926658a0b24fd2ee58c8b9a64d3b2aa4998dd7", kill_on_drop: false }`
[INFO] [stdout] da101dc1dec425b0bf51201ef9926658a0b24fd2ee58c8b9a64d3b2aa4998dd7