[INFO] fetching crate just-webrtc-signalling 0.2.0...
[INFO] checking just-webrtc-signalling-0.2.0 against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827
[INFO] extracting crate just-webrtc-signalling 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate just-webrtc-signalling 0.2.0 on toolchain 16b569057e4d1591b4bee05f10df34000308dedc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate just-webrtc-signalling 0.2.0
[INFO] finished tweaking crates.io crate just-webrtc-signalling 0.2.0
[INFO] tweaked toml for crates.io crate just-webrtc-signalling 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 160 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.0)
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[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
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[INFO] [stderr]       Adding hyper v0.14.30 (latest: v1.4.1)
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[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
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[INFO] [stderr]       Adding matchit v0.7.3 (latest: v0.8.4)
[INFO] [stderr]       Adding prost v0.12.6 (latest: v0.13.1)
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[INFO] [stderr]       Adding prost-derive v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding prost-types v0.12.6 (latest: v0.13.1)
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[INFO] [stderr]       Adding tonic v0.11.0 (latest: v0.12.1)
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[INFO] [stderr]       Adding tower-http v0.4.4 (latest: v0.5.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c516faf7ff1706db5872fb9f52c0173da06831ca17b1f5d1df2858cf5d1ae0d
[INFO] running `Command { std: "docker" "start" "-a" "1c516faf7ff1706db5872fb9f52c0173da06831ca17b1f5d1df2858cf5d1ae0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c516faf7ff1706db5872fb9f52c0173da06831ca17b1f5d1df2858cf5d1ae0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c516faf7ff1706db5872fb9f52c0173da06831ca17b1f5d1df2858cf5d1ae0d", kill_on_drop: false }`
[INFO] [stdout] 1c516faf7ff1706db5872fb9f52c0173da06831ca17b1f5d1df2858cf5d1ae0d
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8514fa030c6b023bc4a543afcb329a174f45e30af23f82c46d1753d82e279c67
[INFO] running `Command { std: "docker" "start" "-a" "8514fa030c6b023bc4a543afcb329a174f45e30af23f82c46d1753d82e279c67", kill_on_drop: false }`
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[INFO] [stderr]    Compiling just-webrtc-signalling v0.2.0 (/opt/rustwide/workdir)
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.64s
[INFO] running `Command { std: "docker" "inspect" "8514fa030c6b023bc4a543afcb329a174f45e30af23f82c46d1753d82e279c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8514fa030c6b023bc4a543afcb329a174f45e30af23f82c46d1753d82e279c67", kill_on_drop: false }`
[INFO] [stdout] 8514fa030c6b023bc4a543afcb329a174f45e30af23f82c46d1753d82e279c67