[INFO] cloning repository https://github.com/chrishayuk/rust-websockets-timebot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrishayuk/rust-websockets-timebot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrishayuk%2Frust-websockets-timebot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrishayuk%2Frust-websockets-timebot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58b63f65d274aa6a754d9144fd9636e43122c380
[INFO] checking chrishayuk/rust-websockets-timebot against master#5431404b87967c69438ea1e698edbe96505f0798 for pr-119849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrishayuk%2Frust-websockets-timebot" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrishayuk/rust-websockets-timebot on toolchain 5431404b87967c69438ea1e698edbe96505f0798
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5431404b87967c69438ea1e698edbe96505f0798" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrishayuk/rust-websockets-timebot
[INFO] finished tweaking git repo https://github.com/chrishayuk/rust-websockets-timebot
[INFO] tweaked toml for git repo https://github.com/chrishayuk/rust-websockets-timebot written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chrishayuk/rust-websockets-timebot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5431404b87967c69438ea1e698edbe96505f0798" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] warning: spurious network error (3 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 4802 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (2 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (2 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (1 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (1 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] error: failed to download from `https://crates.io/api/v1/crates/tokio-tungstenite/0.21.0/download`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking chrishayuk/rust-websockets-timebot against try#21bc403d557a2516df70ea80fb19b94177beede5 for pr-119849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrishayuk%2Frust-websockets-timebot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrishayuk/rust-websockets-timebot on toolchain 21bc403d557a2516df70ea80fb19b94177beede5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrishayuk/rust-websockets-timebot
[INFO] finished tweaking git repo https://github.com/chrishayuk/rust-websockets-timebot
[INFO] tweaked toml for git repo https://github.com/chrishayuk/rust-websockets-timebot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chrishayuk/rust-websockets-timebot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tungstenite v0.21.0
[INFO] [stderr]   Downloaded tungstenite v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c0b3e99739d8ec38b99b9635ccd443d4bf82715e6b2806f0143eeb2ed4e78de
[INFO] running `Command { std: "docker" "start" "-a" "2c0b3e99739d8ec38b99b9635ccd443d4bf82715e6b2806f0143eeb2ed4e78de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0b3e99739d8ec38b99b9635ccd443d4bf82715e6b2806f0143eeb2ed4e78de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0b3e99739d8ec38b99b9635ccd443d4bf82715e6b2806f0143eeb2ed4e78de", kill_on_drop: false }`
[INFO] [stdout] 2c0b3e99739d8ec38b99b9635ccd443d4bf82715e6b2806f0143eeb2ed4e78de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 312210ff748f8e0d0a740ff50a134339b0023ae172aaa5766147b70ff30cf250
[INFO] running `Command { std: "docker" "start" "-a" "312210ff748f8e0d0a740ff50a134339b0023ae172aaa5766147b70ff30cf250", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]     Checking rust-websockets-timebot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let (mut write, mut read) = ws_stream.split();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let (mut write, mut read) = ws_stream.split();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "312210ff748f8e0d0a740ff50a134339b0023ae172aaa5766147b70ff30cf250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312210ff748f8e0d0a740ff50a134339b0023ae172aaa5766147b70ff30cf250", kill_on_drop: false }`
[INFO] [stdout] 312210ff748f8e0d0a740ff50a134339b0023ae172aaa5766147b70ff30cf250