[INFO] cloning repository https://github.com/angel10x/SocketIO-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angel10x/SocketIO-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangel10x%2FSocketIO-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangel10x%2FSocketIO-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45b28024d299f92b9bd26cb477b1dbbdcddf953f
[INFO] testing angel10x/SocketIO-Rust/45b28024d299f92b9bd26cb477b1dbbdcddf953f against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangel10x%2FSocketIO-Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/angel10x/SocketIO-Rust
[INFO] finished tweaking git repo https://github.com/angel10x/SocketIO-Rust
[INFO] tweaked toml for git repo https://github.com/angel10x/SocketIO-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/angel10x/SocketIO-Rust on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/angel10x/SocketIO-Rust 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v3.0.0
[INFO] [stderr]   Downloaded serial_test_derive v3.0.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.14
[INFO] [stderr]   Downloaded dashmap v5.2.0
[INFO] [stderr]   Downloaded futures v0.3.17
[INFO] [stderr]   Downloaded gzip-header v0.3.0
[INFO] [stderr]   Downloaded coveralls-api v0.5.0
[INFO] [stderr]   Downloaded pkg-config v0.3.20
[INFO] [stderr]   Downloaded cc v1.0.71
[INFO] [stderr]   Downloaded cargo_metadata v0.14.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.86
[INFO] [stderr]   Downloaded is-terminal v0.4.8
[INFO] [stderr]   Downloaded half v1.8.1
[INFO] [stderr]   Downloaded camino v1.1.2
[INFO] [stderr]   Downloaded clap v4.3.10
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.5
[INFO] [stderr]   Downloaded rustls-pki-types v1.4.1
[INFO] [stderr]   Downloaded rustix v0.38.1
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded h2 v0.4.4
[INFO] [stderr]   Downloaded cxx-build v1.0.62
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded gimli v0.26.2
[INFO] [stderr]   Downloaded cargo-tarpaulin v0.18.5
[INFO] [stderr]   Downloaded chrono v0.4.23
[INFO] [stderr]   Downloaded clap_builder v4.3.10
[INFO] [stderr]   Downloaded git2 v0.13.25
[INFO] [stderr]   Downloaded hyper v1.3.0
[INFO] [stderr]   Downloaded quick-xml v0.22.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.86
[INFO] [stderr]   Downloaded rustix v0.37.25
[INFO] [stderr]   Downloaded syn v2.0.89
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded plotters-backend v0.3.2
[INFO] [stderr]   Downloaded memoffset v0.6.4
[INFO] [stderr]   Downloaded scratch v1.0.3
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded wasm-streams v0.4.0
[INFO] [stderr]   Downloaded cxx v1.0.86
[INFO] [stderr]   Downloaded iana-time-zone v0.1.53
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded procfs v0.11.1
[INFO] [stderr]   Downloaded libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.29
[INFO] [stderr]   Downloaded curl-sys v0.4.59+curl-7.86.0
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 687d0ddfc60441d472fad934b06a6ae8bd6ebbca97e819200a68770388276983
[INFO] running `Command { std: "docker" "start" "-a" "687d0ddfc60441d472fad934b06a6ae8bd6ebbca97e819200a68770388276983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "687d0ddfc60441d472fad934b06a6ae8bd6ebbca97e819200a68770388276983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687d0ddfc60441d472fad934b06a6ae8bd6ebbca97e819200a68770388276983", kill_on_drop: false }`
[INFO] [stdout] 687d0ddfc60441d472fad934b06a6ae8bd6ebbca97e819200a68770388276983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 504e1da21eb091ed3fe27dfdd372aa1cbf48a5e6d43cfb482955988345646077
[INFO] running `Command { std: "docker" "start" "-a" "504e1da21eb091ed3fe27dfdd372aa1cbf48a5e6d43cfb482955988345646077", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling rustls-pki-types v1.4.1
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling http-body-util v0.1.1
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling backoff v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling tokio-util v0.7.3
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling h2 v0.4.4
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling tungstenite v0.21.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.21.0
[INFO] [stderr]    Compiling hyper v1.3.0
[INFO] [stderr]    Compiling hyper-util v0.1.3
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.4
[INFO] [stderr]    Compiling rust_engineio v0.6.0 (/opt/rustwide/workdir/engineio)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]    --> engineio/src/asynchronous/async_socket.rs:278:12
[INFO] [stdout]     |
[INFO] [stdout] 278 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> engineio/src/asynchronous/callback.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> engineio/src/asynchronous/callback.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> engineio/src/asynchronous/callback.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> engineio/src/asynchronous/callback.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> engineio/src/callback.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> engineio/src/callback.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> engineio/src/callback.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> engineio/src/callback.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]    --> engineio/src/socket.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> engineio/src/error.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> engineio/src/client/client.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]     |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 356 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_socketio v0.6.0 (/opt/rustwide/workdir/socketio)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> socketio/src/error.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(tarpaulin, ignore)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]    --> socketio/src/client/raw_client.rs:402:12
[INFO] [stdout]     |
[INFO] [stdout] 402 | pub struct Iter<'a> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 16s
[INFO] running `Command { std: "docker" "inspect" "504e1da21eb091ed3fe27dfdd372aa1cbf48a5e6d43cfb482955988345646077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504e1da21eb091ed3fe27dfdd372aa1cbf48a5e6d43cfb482955988345646077", kill_on_drop: false }`
[INFO] [stdout] 504e1da21eb091ed3fe27dfdd372aa1cbf48a5e6d43cfb482955988345646077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ceb939b5a3df25bde9e471fbeed94a11fdc30c9b04194f59b111453f06d946
[INFO] running `Command { std: "docker" "start" "-a" "05ceb939b5a3df25bde9e471fbeed94a11fdc30c9b04194f59b111453f06d946", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling curl-sys v0.4.59+curl-7.86.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling camino v1.1.2
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling gzip-header v0.3.0
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling dashmap v5.2.0
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling procfs v0.11.1
[INFO] [stderr]    Compiling rustix v0.38.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d98a5da813da67eb189387b8ccfb73cf481275d8/bin/rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=e7d2a13571bebf28 -C extra-filename=-6b8bd984a921313e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d98a5da813da67eb189387b8ccfb73cf481275d8/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.89/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=b36f8d08b2badb7d -C extra-filename=-1779c9bb3ad9a28d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d834aae5d59581fe.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7109ad54889a4105.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-1e7194708182f667.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "05ceb939b5a3df25bde9e471fbeed94a11fdc30c9b04194f59b111453f06d946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ceb939b5a3df25bde9e471fbeed94a11fdc30c9b04194f59b111453f06d946", kill_on_drop: false }`
[INFO] [stdout] 05ceb939b5a3df25bde9e471fbeed94a11fdc30c9b04194f59b111453f06d946