[INFO] fetching crate narrowlink-network 0.2.6...
[INFO] testing narrowlink-network-0.2.6 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate narrowlink-network 0.2.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate narrowlink-network 0.2.6
[INFO] finished tweaking crates.io crate narrowlink-network 0.2.6
[INFO] tweaked toml for crates.io crate narrowlink-network 0.2.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate narrowlink-network 0.2.6 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 208 packages to latest compatible versions
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.7.0)
[INFO] [stderr]       Adding quinn v0.10.2 (available: v0.11.9)
[INFO] [stderr]       Adding rustls v0.21.12 (available: v0.23.35)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (available: v0.26.4)
[INFO] [stderr]       Adding tokio-tungstenite v0.20.1 (available: v0.28.0)
[INFO] [stderr]       Adding tungstenite v0.20.1 (available: v0.28.0)
[INFO] [stderr]       Adding webpki-roots v0.25.4 (available: v1.0.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeb4cc1fddd040fc9bd03463008ed71c9699d5ca9666778e20f33400348f91be
[INFO] running `Command { std: "docker" "start" "-a" "eeb4cc1fddd040fc9bd03463008ed71c9699d5ca9666778e20f33400348f91be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb4cc1fddd040fc9bd03463008ed71c9699d5ca9666778e20f33400348f91be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb4cc1fddd040fc9bd03463008ed71c9699d5ca9666778e20f33400348f91be", kill_on_drop: false }`
[INFO] [stdout] eeb4cc1fddd040fc9bd03463008ed71c9699d5ca9666778e20f33400348f91be
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65dede2e44cfe68a1957c75c7e360300d41211dbf95c74439fc0c0b9d1d0f3f
[INFO] running `Command { std: "docker" "start" "-a" "d65dede2e44cfe68a1957c75c7e360300d41211dbf95c74439fc0c0b9d1d0f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling rlimit v0.10.2
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling regex-lite v0.1.8
[INFO] [stderr]    Compiling wildmatch v2.5.0
[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling validator_derive v0.17.0
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling quinn-proto v0.10.6
[INFO] [stderr]    Compiling quinn-udp v0.4.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling jsonwebtoken v9.3.1
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling quinn v0.10.2
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling tungstenite v0.20.1
[INFO] [stderr]    Compiling validator v0.17.0
[INFO] [stderr]    Compiling chunkio v0.0.1
[INFO] [stderr]    Compiling narrowlink-types v0.2.6
[INFO] [stderr]    Compiling tokio-tungstenite v0.20.1
[INFO] [stderr]    Compiling narrowlink-network v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]   --> src/async_tools.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |         if let Some((mut len, buffer)) = self.buffer.take() {
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "d65dede2e44cfe68a1957c75c7e360300d41211dbf95c74439fc0c0b9d1d0f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65dede2e44cfe68a1957c75c7e360300d41211dbf95c74439fc0c0b9d1d0f3f", kill_on_drop: false }`
[INFO] [stdout] d65dede2e44cfe68a1957c75c7e360300d41211dbf95c74439fc0c0b9d1d0f3f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff7aee6160bad33f5f285bd7bf35336e0b8e2af9a262e7893d9d190cfeac8170
[INFO] running `Command { std: "docker" "start" "-a" "ff7aee6160bad33f5f285bd7bf35336e0b8e2af9a262e7893d9d190cfeac8170", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]   --> src/async_tools.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |         if let Some((mut len, buffer)) = self.buffer.take() {
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling narrowlink-network v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]   --> src/async_tools.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |         if let Some((mut len, buffer)) = self.buffer.take() {
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "ff7aee6160bad33f5f285bd7bf35336e0b8e2af9a262e7893d9d190cfeac8170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7aee6160bad33f5f285bd7bf35336e0b8e2af9a262e7893d9d190cfeac8170", kill_on_drop: false }`
[INFO] [stdout] ff7aee6160bad33f5f285bd7bf35336e0b8e2af9a262e7893d9d190cfeac8170
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a16cabd83ed5bd8d657969d1bc930f81d53bd9ed3d63f7a2b89c855ef4e3384
[INFO] running `Command { std: "docker" "start" "-a" "5a16cabd83ed5bd8d657969d1bc930f81d53bd9ed3d63f7a2b89c855ef4e3384", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `len` is never read
[INFO] [stderr]   --> src/async_tools.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if let Some((mut len, buffer)) = self.buffer.take() {
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `narrowlink-network` (lib) generated 1 warning
[INFO] [stderr] warning: `narrowlink-network` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/narrowlink_network-cf9d881c5a74816f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests narrowlink_network
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a16cabd83ed5bd8d657969d1bc930f81d53bd9ed3d63f7a2b89c855ef4e3384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a16cabd83ed5bd8d657969d1bc930f81d53bd9ed3d63f7a2b89c855ef4e3384", kill_on_drop: false }`
[INFO] [stdout] 5a16cabd83ed5bd8d657969d1bc930f81d53bd9ed3d63f7a2b89c855ef4e3384
