[INFO] fetching crate wsclient 0.1.2...
[INFO] building wsclient-0.1.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate wsclient 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate wsclient 0.1.2
[INFO] finished tweaking crates.io crate wsclient 0.1.2
[INFO] tweaked toml for crates.io crate wsclient 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wsclient 0.1.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wsclient 0.1.2 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded percent-encoding v2.2.0
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded core-foundation v0.9.3
[INFO] [stderr]   Downloaded base64 v0.13.1
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded security-framework v2.8.2
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded security-framework-sys v2.8.0
[INFO] [stderr]   Downloaded windows-targets v0.42.2
[INFO] [stderr]   Downloaded syn v2.0.6
[INFO] [stderr]   Downloaded futures-channel v0.3.27
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded schannel v0.1.21
[INFO] [stderr]   Downloaded tokio-tungstenite v0.18.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded rustls v0.20.8
[INFO] [stderr]   Downloaded sct v0.7.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded generic-array v0.14.6
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded tungstenite v0.18.0
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.2
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.2
[INFO] [stderr]   Downloaded openssl-probe v0.1.5
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.3
[INFO] [stderr]   Downloaded hermit-abi v0.2.6
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded web-sys v0.3.61
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded webpki v0.22.0
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.2
[INFO] [stderr]   Downloaded tokio-rustls v0.23.4
[INFO] [stderr]   Downloaded cpufeatures v0.2.5
[INFO] [stderr]   Downloaded syn v1.0.109
[INFO] [stderr]   Downloaded idna v0.3.0
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded tracing-core v0.1.30
[INFO] [stderr]   Downloaded windows-sys v0.45.0
[INFO] [stderr]   Downloaded windows-sys v0.42.0
[INFO] [stderr]   Downloaded ring v0.16.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b93e1a3b1bb6429e23f7e24eaf9b9dc6a28f59695566fa29220f3b14242d86b
[INFO] running `Command { std: "docker" "start" "-a" "2b93e1a3b1bb6429e23f7e24eaf9b9dc6a28f59695566fa29220f3b14242d86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b93e1a3b1bb6429e23f7e24eaf9b9dc6a28f59695566fa29220f3b14242d86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b93e1a3b1bb6429e23f7e24eaf9b9dc6a28f59695566fa29220f3b14242d86b", kill_on_drop: false }`
[INFO] [stdout] 2b93e1a3b1bb6429e23f7e24eaf9b9dc6a28f59695566fa29220f3b14242d86b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 580ce372c857a4fcaaf4b45f7aa2713d644ac7c15bda8276b373666939f60d8e
[INFO] running `Command { std: "docker" "start" "-a" "580ce372c857a4fcaaf4b45f7aa2713d644ac7c15bda8276b373666939f60d8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-sink v0.3.27
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "580ce372c857a4fcaaf4b45f7aa2713d644ac7c15bda8276b373666939f60d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580ce372c857a4fcaaf4b45f7aa2713d644ac7c15bda8276b373666939f60d8e", kill_on_drop: false }`
[INFO] [stdout] 580ce372c857a4fcaaf4b45f7aa2713d644ac7c15bda8276b373666939f60d8e