[INFO] cloning repository https://github.com/paul-asvb/rust-browser-rtc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paul-asvb/rust-browser-rtc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaul-asvb%2Frust-browser-rtc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaul-asvb%2Frust-browser-rtc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 64a294bbf9cd98d9c015d580612afd405248b705 [INFO] checking paul-asvb/rust-browser-rtc against try#e5b0618d996a6a3941e423fd3e170737b8dbdc92 for pr-151822 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaul-asvb%2Frust-browser-rtc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/paul-asvb/rust-browser-rtc [INFO] finished tweaking git repo https://github.com/paul-asvb/rust-browser-rtc [INFO] tweaked toml for git repo https://github.com/paul-asvb/rust-browser-rtc written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/paul-asvb/rust-browser-rtc on toolchain e5b0618d996a6a3941e423fd3e170737b8dbdc92 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/paul-asvb/rust-browser-rtc 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" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded webrtc-util v0.6.0 [INFO] [stderr] Downloaded signature v1.6.3 [INFO] [stderr] Downloaded async-trait v0.1.57 [INFO] [stderr] Downloaded rtcp v0.7.0 [INFO] [stderr] Downloaded base64ct v1.5.2 [INFO] [stderr] Downloaded sdp v0.5.2 [INFO] [stderr] Downloaded interceptor v0.8.0 [INFO] [stderr] Downloaded time v0.3.13 [INFO] [stderr] Downloaded turn v0.6.0 [INFO] [stderr] Downloaded webrtc-dtls v0.6.0 [INFO] [stderr] Downloaded webrtc-ice v0.8.1 [INFO] [stderr] Downloaded webrtc-sctp v0.6.1 [INFO] [stderr] Downloaded webrtc v0.5.1 [INFO] [stderr] Downloaded stun v0.4.3 [INFO] [stderr] Downloaded webrtc-mdns v0.5.0 [INFO] [stderr] Downloaded rtp v0.6.7 [INFO] [stderr] Downloaded webrtc-data v0.5.0 [INFO] [stderr] Downloaded webrtc-srtp v0.9.0 [INFO] [stderr] Downloaded webrtc-media v0.4.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1c6d74597b8170642a6f165a81ad8ae6187078f84aff104d9f9ee891bbd5629 [INFO] running `Command { std: "docker" "start" "-a" "c1c6d74597b8170642a6f165a81ad8ae6187078f84aff104d9f9ee891bbd5629", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1c6d74597b8170642a6f165a81ad8ae6187078f84aff104d9f9ee891bbd5629", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1c6d74597b8170642a6f165a81ad8ae6187078f84aff104d9f9ee891bbd5629", kill_on_drop: false }` [INFO] [stdout] c1c6d74597b8170642a6f165a81ad8ae6187078f84aff104d9f9ee891bbd5629 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dea99cde968fcf50fbac84ead1fef199e409094fb074c0247f9c22f82d1210c4 [INFO] running `Command { std: "docker" "start" "-a" "dea99cde968fcf50fbac84ead1fef199e409094fb074c0247f9c22f82d1210c4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.46 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling syn v1.0.101 [INFO] [stderr] Compiling libc v0.2.134 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking block-buffer v0.10.3 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Compiling async-trait v0.1.57 [INFO] [stderr] Compiling webrtc-util v0.6.0 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking cpufeatures v0.2.5 [INFO] [stderr] Checking digest v0.10.5 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Checking once_cell v1.15.0 [INFO] [stderr] Checking base64ct v1.5.2 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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] Checking universal-hash v0.4.1 [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" "dea99cde968fcf50fbac84ead1fef199e409094fb074c0247f9c22f82d1210c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dea99cde968fcf50fbac84ead1fef199e409094fb074c0247f9c22f82d1210c4", kill_on_drop: false }` [INFO] [stdout] dea99cde968fcf50fbac84ead1fef199e409094fb074c0247f9c22f82d1210c4