[INFO] cloning repository https://github.com/gregmulvaney/cards-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregmulvaney/cards-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregmulvaney%2Fcards-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregmulvaney%2Fcards-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a09cfc1aa01683e68312c1a6d01d37386652526f
[INFO] checking gregmulvaney/cards-server against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregmulvaney%2Fcards-server" "/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/gregmulvaney/cards-server on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregmulvaney/cards-server
[INFO] finished tweaking git repo https://github.com/gregmulvaney/cards-server
[INFO] tweaked toml for git repo https://github.com/gregmulvaney/cards-server written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/gregmulvaney/cards-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tungstenite v0.12.0
[INFO] [stderr]   Downloaded tokio v0.3.4
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f8c40756b6e3b36ac384a9af633d384039d01804a7f8b9f42b313b01b9456e8
[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" "3f8c40756b6e3b36ac384a9af633d384039d01804a7f8b9f42b313b01b9456e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f8c40756b6e3b36ac384a9af633d384039d01804a7f8b9f42b313b01b9456e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8c40756b6e3b36ac384a9af633d384039d01804a7f8b9f42b313b01b9456e8", kill_on_drop: false }`
[INFO] [stdout] 3f8c40756b6e3b36ac384a9af633d384039d01804a7f8b9f42b313b01b9456e8
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df5b258df61b5067c50edcb90cd246da95e68cff4cbd7b7da8c0a12cde0d131a
[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" "df5b258df61b5067c50edcb90cd246da95e68cff4cbd7b7da8c0a12cde0d131a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking tokio-tungstenite v0.12.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/main.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (tx, rx) = unbounded();
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outgoing`
[INFO] [stdout]   --> src/main.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (outgoing, incoming) = ws_stream.split();
[INFO] [stdout]    |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outgoing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incoming`
[INFO] [stdout]   --> src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (outgoing, incoming) = ws_stream.split();
[INFO] [stdout]    |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/main.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (tx, rx) = unbounded();
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outgoing`
[INFO] [stdout]   --> src/main.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (outgoing, incoming) = ws_stream.split();
[INFO] [stdout]    |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outgoing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incoming`
[INFO] [stdout]   --> src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (outgoing, incoming) = ws_stream.split();
[INFO] [stdout]    |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.34s
[INFO] running `Command { std: "docker" "inspect" "df5b258df61b5067c50edcb90cd246da95e68cff4cbd7b7da8c0a12cde0d131a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5b258df61b5067c50edcb90cd246da95e68cff4cbd7b7da8c0a12cde0d131a", kill_on_drop: false }`
[INFO] [stdout] df5b258df61b5067c50edcb90cd246da95e68cff4cbd7b7da8c0a12cde0d131a