[INFO] cloning repository https://github.com/crosstyan/gst-custom-webrtc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crosstyan/gst-custom-webrtc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrosstyan%2Fgst-custom-webrtc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrosstyan%2Fgst-custom-webrtc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0747734e0184557eeb8f2118da884f8cc49ae73
[INFO] checking crosstyan/gst-custom-webrtc against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrosstyan%2Fgst-custom-webrtc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/crosstyan/gst-custom-webrtc
[INFO] finished tweaking git repo https://github.com/crosstyan/gst-custom-webrtc
[INFO] tweaked toml for git repo https://github.com/crosstyan/gst-custom-webrtc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/crosstyan/gst-custom-webrtc on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/crosstyan/gst-custom-webrtc 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "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 system-deps v6.0.4
[INFO] [stderr]   Downloaded cfg-expr v0.14.0
[INFO] [stderr]   Downloaded muldiv v1.0.1
[INFO] [stderr]   Downloaded gstreamer-sys v0.20.0
[INFO] [stderr]   Downloaded gstreamer-rtp-sys v0.20.0
[INFO] [stderr]   Downloaded async-tungstenite v0.21.0
[INFO] [stderr]   Downloaded async-native-tls v0.5.0
[INFO] [stderr]   Downloaded gstreamer-webrtc v0.20.4
[INFO] [stderr]   Downloaded gstreamer-webrtc-sys v0.20.0
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.20.0
[INFO] [stderr]   Downloaded gstreamer-sdp v0.20.0
[INFO] [stderr]   Downloaded gstreamer-sdp-sys v0.20.0
[INFO] [stderr]   Downloaded gstreamer-rtp v0.20.0
[INFO] [stderr]   Downloaded tungstenite v0.19.0
[INFO] [stderr]   Downloaded glib-macros v0.17.8
[INFO] [stderr]   Downloaded polling v2.7.0
[INFO] [stderr]   Downloaded glib v0.17.8
[INFO] [stderr]   Downloaded gstreamer v0.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 60a4df1ff3e9e06d0a37f450b11b9fbbd272142548b292fd5ffbc6ee89093f25
[INFO] running `Command { std: "docker" "start" "60a4df1ff3e9e06d0a37f450b11b9fbbd272142548b292fd5ffbc6ee89093f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60a4df1ff3e9e06d0a37f450b11b9fbbd272142548b292fd5ffbc6ee89093f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "60a4df1ff3e9e06d0a37f450b11b9fbbd272142548b292fd5ffbc6ee89093f25" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60a4df1ff3e9e06d0a37f450b11b9fbbd272142548b292fd5ffbc6ee89093f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "60a4df1ff3e9e06d0a37f450b11b9fbbd272142548b292fd5ffbc6ee89093f25" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling openssl-sys v0.9.85
[INFO] [stderr]     Checking linux-raw-sys v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling cfg-expr v0.14.0
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling polling v2.7.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl v0.10.50
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[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" "60a4df1ff3e9e06d0a37f450b11b9fbbd272142548b292fd5ffbc6ee89093f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a4df1ff3e9e06d0a37f450b11b9fbbd272142548b292fd5ffbc6ee89093f25", kill_on_drop: false }`
[INFO] [stdout] 60a4df1ff3e9e06d0a37f450b11b9fbbd272142548b292fd5ffbc6ee89093f25
