[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 dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8 for pr-133502-27
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaul-asvb%2Frust-browser-rtc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paul-asvb/rust-browser-rtc on toolchain dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8" "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" "+dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 254f34e585bcf9ca1340fa0411a2f23406567694fcc4e49b62efbb66b472d9ea
[INFO] running `Command { std: "docker" "start" "254f34e585bcf9ca1340fa0411a2f23406567694fcc4e49b62efbb66b472d9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "254f34e585bcf9ca1340fa0411a2f23406567694fcc4e49b62efbb66b472d9ea", 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" "254f34e585bcf9ca1340fa0411a2f23406567694fcc4e49b62efbb66b472d9ea" "/opt/rustwide/cargo-home/bin/cargo" "+dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "254f34e585bcf9ca1340fa0411a2f23406567694fcc4e49b62efbb66b472d9ea", 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" "254f34e585bcf9ca1340fa0411a2f23406567694fcc4e49b62efbb66b472d9ea" "/opt/rustwide/cargo-home/bin/cargo" "+dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking base64ct v1.5.2
[INFO] [stderr]     Checking const-oid v0.9.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking base16ct v0.1.1
[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 percent-encoding v2.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking crc-catalog v2.1.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking crc v3.0.0
[INFO] [stderr]    Compiling oid-registry v0.4.0
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking pem-rfc7468 v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling oid-registry v0.6.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking atomic-waker v1.0.0
[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" "254f34e585bcf9ca1340fa0411a2f23406567694fcc4e49b62efbb66b472d9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254f34e585bcf9ca1340fa0411a2f23406567694fcc4e49b62efbb66b472d9ea", kill_on_drop: false }`
[INFO] [stdout] 254f34e585bcf9ca1340fa0411a2f23406567694fcc4e49b62efbb66b472d9ea
