[INFO] cloning repository https://github.com/BL4D35M1TH/rust-webrtc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BL4D35M1TH/rust-webrtc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBL4D35M1TH%2Frust-webrtc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBL4D35M1TH%2Frust-webrtc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efb5df215d143d2df79dfe4838c47455c48f3f47
[INFO] checking BL4D35M1TH/rust-webrtc against master#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBL4D35M1TH%2Frust-webrtc" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BL4D35M1TH/rust-webrtc
[INFO] finished tweaking git repo https://github.com/BL4D35M1TH/rust-webrtc
[INFO] tweaked toml for git repo https://github.com/BL4D35M1TH/rust-webrtc written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BL4D35M1TH/rust-webrtc on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BL4D35M1TH/rust-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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.57
[INFO] [stderr]   Downloaded webrtc-srtp v0.9.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded rtcp v0.7.0
[INFO] [stderr]   Downloaded hmac v0.10.1
[INFO] [stderr]   Downloaded rust_socketio v0.4.0
[INFO] [stderr]   Downloaded rust_engineio v0.4.0
[INFO] [stderr]   Downloaded muldiv v1.0.0
[INFO] [stderr]   Downloaded gstreamer-app-sys v0.18.0
[INFO] [stderr]   Downloaded glib-sys v0.15.10
[INFO] [stderr]   Downloaded aes-soft v0.6.4
[INFO] [stderr]   Downloaded aes-gcm v0.8.0
[INFO] [stderr]   Downloaded aesni v0.10.0
[INFO] [stderr]   Downloaded p384 v0.11.2
[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded reqwest v0.11.12
[INFO] [stderr]   Downloaded webrtc-dtls v0.6.0
[INFO] [stderr]   Downloaded glib v0.15.12
[INFO] [stderr]   Downloaded gstreamer v0.18.8
[INFO] [stderr]   Downloaded webrtc-ice v0.8.1
[INFO] [stderr]   Downloaded turn v0.6.0
[INFO] [stderr]   Downloaded x509-parser v0.13.2
[INFO] [stderr]   Downloaded stun v0.4.3
[INFO] [stderr]   Downloaded webrtc-mdns v0.5.0
[INFO] [stderr]   Downloaded ccm v0.3.0
[INFO] [stderr]   Downloaded rustls v0.19.1
[INFO] [stderr]   Downloaded asn1-rs v0.3.1
[INFO] [stderr]   Downloaded x25519-dalek v2.0.0-pre.1
[INFO] [stderr]   Downloaded der-parser v7.0.0
[INFO] [stderr]   Downloaded time v0.3.13
[INFO] [stderr]   Downloaded webrtc-media v0.4.7
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] [stderr]   Downloaded gstreamer-base v0.18.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.76
[INFO] [stderr]   Downloaded sdp v0.5.2
[INFO] [stderr]   Downloaded gstreamer-sys v0.18.0
[INFO] [stderr]   Downloaded darling_core v0.14.1
[INFO] [stderr]   Downloaded derive_builder_core v0.11.2
[INFO] [stderr]   Downloaded derive_builder v0.11.2
[INFO] [stderr]   Downloaded glib-macros v0.15.11
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.18.0
[INFO] [stderr]   Downloaded gstreamer-app v0.18.7
[INFO] [stderr]   Downloaded byte v0.2.6
[INFO] [stderr]   Downloaded polyval v0.4.5
[INFO] [stderr]   Downloaded aead v0.3.2
[INFO] [stderr]   Downloaded oid-registry v0.4.0
[INFO] [stderr]   Downloaded option-operations v0.4.1
[INFO] [stderr]   Downloaded gobject-sys v0.15.10
[INFO] [stderr]   Downloaded system-deps v6.0.2
[INFO] [stderr]   Downloaded ctr v0.6.0
[INFO] [stderr]   Downloaded cpuid-bool v0.2.0
[INFO] [stderr]   Downloaded block-modes v0.7.0
[INFO] [stderr]   Downloaded pem v1.1.0
[INFO] [stderr]   Downloaded asn1-rs-derive v0.1.0
[INFO] [stderr]   Downloaded derive_builder_macro v0.11.2
[INFO] [stderr]   Downloaded ghash v0.3.1
[INFO] [stderr]   Downloaded const-oid v0.9.0
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded waitgroup v0.1.2
[INFO] [stderr]   Downloaded darling_macro v0.14.1
[INFO] [stderr]   Downloaded darling v0.14.1
[INFO] [stderr]   Downloaded webrtc-data v0.5.0
[INFO] [stderr]   Downloaded cipher v0.2.5
[INFO] [stderr]   Downloaded crypto-mac v0.10.1
[INFO] [stderr]   Downloaded rcgen v0.9.3
[INFO] [stderr]   Downloaded sct v0.6.1
[INFO] [stderr]   Downloaded webrtc v0.5.1
[INFO] [stderr]   Downloaded webrtc-sctp v0.6.1
[INFO] [stderr]   Downloaded rtp v0.6.7
[INFO] [stderr]   Downloaded webrtc-util v0.6.0
[INFO] [stderr]   Downloaded interceptor v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17843c3e1cbd378a57398ef70ea0284760b6d9e789529ffccac85394d7e67683
[INFO] running `Command { std: "docker" "start" "-a" "17843c3e1cbd378a57398ef70ea0284760b6d9e789529ffccac85394d7e67683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17843c3e1cbd378a57398ef70ea0284760b6d9e789529ffccac85394d7e67683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17843c3e1cbd378a57398ef70ea0284760b6d9e789529ffccac85394d7e67683", kill_on_drop: false }`
[INFO] [stdout] 17843c3e1cbd378a57398ef70ea0284760b6d9e789529ffccac85394d7e67683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a32334c642bcc6c6d3273ac394d327999441944e4f80a8b2b71b34f377a21f9f
[INFO] running `Command { std: "docker" "start" "-a" "a32334c642bcc6c6d3273ac394d327999441944e4f80a8b2b71b34f377a21f9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling thiserror v1.0.36
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.44/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-core v0.3.24
[INFO] [stderr]    Compiling cfg-expr v0.10.3
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]    Compiling webrtc-util v0.6.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling slab v0.4.7
[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" "a32334c642bcc6c6d3273ac394d327999441944e4f80a8b2b71b34f377a21f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32334c642bcc6c6d3273ac394d327999441944e4f80a8b2b71b34f377a21f9f", kill_on_drop: false }`
[INFO] [stdout] a32334c642bcc6c6d3273ac394d327999441944e4f80a8b2b71b34f377a21f9f
