[INFO] fetching crate vtable-rs 0.1.5...
[INFO] checking vtable-rs-0.1.5 against master#3f6250a7bb79e600d9036bbc7c8f65af43933643 for pr-147859
[INFO] extracting crate vtable-rs 0.1.5 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate vtable-rs 0.1.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate vtable-rs 0.1.5
[INFO] tweaked toml for crates.io crate vtable-rs 0.1.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vtable-rs 0.1.5 on toolchain 3f6250a7bb79e600d9036bbc7c8f65af43933643
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vtable-rs 0.1.5 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" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vtable-rs-proc-macros v0.2.0
[INFO] [stderr]   Downloaded syn v2.0.79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c85f70b1327f1078ea26a6ea68d6ea9ffa2e0d20602665f7afccc4b2eeeafe48
[INFO] running `Command { std: "docker" "start" "-a" "c85f70b1327f1078ea26a6ea68d6ea9ffa2e0d20602665f7afccc4b2eeeafe48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c85f70b1327f1078ea26a6ea68d6ea9ffa2e0d20602665f7afccc4b2eeeafe48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85f70b1327f1078ea26a6ea68d6ea9ffa2e0d20602665f7afccc4b2eeeafe48", kill_on_drop: false }`
[INFO] [stdout] c85f70b1327f1078ea26a6ea68d6ea9ffa2e0d20602665f7afccc4b2eeeafe48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 608d53943d7a592e63a5a18d0a94d851445135bce7862e517ef215b5af781049
[INFO] running `Command { std: "docker" "start" "-a" "608d53943d7a592e63a5a18d0a94d851445135bce7862e517ef215b5af781049", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `proc-macro2 v1.0.86`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   config.json not found in registry
[INFO] running `Command { std: "docker" "inspect" "608d53943d7a592e63a5a18d0a94d851445135bce7862e517ef215b5af781049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608d53943d7a592e63a5a18d0a94d851445135bce7862e517ef215b5af781049", kill_on_drop: false }`
[INFO] [stdout] 608d53943d7a592e63a5a18d0a94d851445135bce7862e517ef215b5af781049