[INFO] cloning repository https://github.com/ButteryCrumpet/netcode-exploration
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ButteryCrumpet/netcode-exploration" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FButteryCrumpet%2Fnetcode-exploration", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FButteryCrumpet%2Fnetcode-exploration'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0aefc51ba42d297d389f0972d6da09c9784c53a
[INFO] checking ButteryCrumpet/netcode-exploration against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FButteryCrumpet%2Fnetcode-exploration" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ButteryCrumpet/netcode-exploration on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ButteryCrumpet/netcode-exploration
[INFO] finished tweaking git repo https://github.com/ButteryCrumpet/netcode-exploration
[INFO] tweaked toml for git repo https://github.com/ButteryCrumpet/netcode-exploration written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ButteryCrumpet/netcode-exploration already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d911ca016785141e1cd0b8c4046e264ebfa902c9cbb59f51625624310e5723b
[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" "2d911ca016785141e1cd0b8c4046e264ebfa902c9cbb59f51625624310e5723b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d911ca016785141e1cd0b8c4046e264ebfa902c9cbb59f51625624310e5723b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d911ca016785141e1cd0b8c4046e264ebfa902c9cbb59f51625624310e5723b", kill_on_drop: false }`
[INFO] [stdout] 2d911ca016785141e1cd0b8c4046e264ebfa902c9cbb59f51625624310e5723b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c495c48113d0ad71302f34a30a9a24e8b6877862550707e0b19edc67228b7ec
[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" "7c495c48113d0ad71302f34a30a9a24e8b6877862550707e0b19edc67228b7ec", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking signal-hook v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking networking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/message_queue.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/message_queue.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |             if let Err(err) = client.recv() {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `local_addr`
[INFO] [stdout]   --> src/connection.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     local_addr: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |             if let Err(err) = client.recv() {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `local_addr`
[INFO] [stdout]   --> src/connection.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     local_addr: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "7c495c48113d0ad71302f34a30a9a24e8b6877862550707e0b19edc67228b7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c495c48113d0ad71302f34a30a9a24e8b6877862550707e0b19edc67228b7ec", kill_on_drop: false }`
[INFO] [stdout] 7c495c48113d0ad71302f34a30a9a24e8b6877862550707e0b19edc67228b7ec
