[INFO] fetching crate metac 0.1.1...
[INFO] documenting metac-0.1.1 against master#d7d9f15be205b45d44700e7ac33b4f79b91f9680 for pr-117450
[INFO] extracting crate metac 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate metac 0.1.1 on toolchain d7d9f15be205b45d44700e7ac33b4f79b91f9680
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metac 0.1.1
[INFO] finished tweaking crates.io crate metac 0.1.1
[INFO] tweaked toml for crates.io crate metac 0.1.1 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" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aa9d30e56cd8c3c3c6874f074374f163013f3e71cf615eeb14d6f4793002a26
[INFO] running `Command { std: "docker" "start" "-a" "3aa9d30e56cd8c3c3c6874f074374f163013f3e71cf615eeb14d6f4793002a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aa9d30e56cd8c3c3c6874f074374f163013f3e71cf615eeb14d6f4793002a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa9d30e56cd8c3c3c6874f074374f163013f3e71cf615eeb14d6f4793002a26", kill_on_drop: false }`
[INFO] [stdout] 3aa9d30e56cd8c3c3c6874f074374f163013f3e71cf615eeb14d6f4793002a26
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35d80d7acb4e64af7352e149c9fab46b55276cdff537fceacd40ac532d60c1ae
[INFO] running `Command { std: "docker" "start" "-a" "35d80d7acb4e64af7352e149c9fab46b55276cdff537fceacd40ac532d60c1ae", kill_on_drop: false }`
[INFO] [stderr]  Documenting metac v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/metac/index.html
[INFO] running `Command { std: "docker" "inspect" "35d80d7acb4e64af7352e149c9fab46b55276cdff537fceacd40ac532d60c1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d80d7acb4e64af7352e149c9fab46b55276cdff537fceacd40ac532d60c1ae", kill_on_drop: false }`
[INFO] [stdout] 35d80d7acb4e64af7352e149c9fab46b55276cdff537fceacd40ac532d60c1ae
[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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3f92e67d9aace22d38e42ca4969583d2ac211a027d463534a36b30c1caacdd7
[INFO] running `Command { std: "docker" "start" "-a" "b3f92e67d9aace22d38e42ca4969583d2ac211a027d463534a36b30c1caacdd7", kill_on_drop: false }`
[INFO] [stderr]  Documenting metac v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/metac/index.html
[INFO] running `Command { std: "docker" "inspect" "b3f92e67d9aace22d38e42ca4969583d2ac211a027d463534a36b30c1caacdd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3f92e67d9aace22d38e42ca4969583d2ac211a027d463534a36b30c1caacdd7", kill_on_drop: false }`
[INFO] [stdout] b3f92e67d9aace22d38e42ca4969583d2ac211a027d463534a36b30c1caacdd7
[INFO] documenting metac-0.1.1 against master#50be22964035027398754e54cd3a497efb00f83e for pr-117450
[INFO] extracting crate metac 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate metac 0.1.1 on toolchain 50be22964035027398754e54cd3a497efb00f83e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metac 0.1.1
[INFO] finished tweaking crates.io crate metac 0.1.1
[INFO] tweaked toml for crates.io crate metac 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92ee41284f48b0f55e7b02534486c0916585ffef355cd9cfe3a3e8ebb4c1fc99
[INFO] running `Command { std: "docker" "start" "-a" "92ee41284f48b0f55e7b02534486c0916585ffef355cd9cfe3a3e8ebb4c1fc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92ee41284f48b0f55e7b02534486c0916585ffef355cd9cfe3a3e8ebb4c1fc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ee41284f48b0f55e7b02534486c0916585ffef355cd9cfe3a3e8ebb4c1fc99", kill_on_drop: false }`
[INFO] [stdout] 92ee41284f48b0f55e7b02534486c0916585ffef355cd9cfe3a3e8ebb4c1fc99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d8ccbbe76479c0369a8e95b94eeb839e021eb7a06574fd8d21ca0d870911b56
[INFO] running `Command { std: "docker" "start" "-a" "3d8ccbbe76479c0369a8e95b94eeb839e021eb7a06574fd8d21ca0d870911b56", kill_on_drop: false }`
[INFO] [stderr]  Documenting metac v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/metac/index.html
[INFO] running `Command { std: "docker" "inspect" "3d8ccbbe76479c0369a8e95b94eeb839e021eb7a06574fd8d21ca0d870911b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8ccbbe76479c0369a8e95b94eeb839e021eb7a06574fd8d21ca0d870911b56", kill_on_drop: false }`
[INFO] [stdout] 3d8ccbbe76479c0369a8e95b94eeb839e021eb7a06574fd8d21ca0d870911b56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 401c5c54683ca6b37a4e987ac5eea9d1f5d3cf34cad15bedfd65142e69d709a5
[INFO] running `Command { std: "docker" "start" "-a" "401c5c54683ca6b37a4e987ac5eea9d1f5d3cf34cad15bedfd65142e69d709a5", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to download `smallvec v1.11.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to download replaced source registry `crates-io`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   attempting to make an HTTP request, but --frozen was specified
[INFO] running `Command { std: "docker" "inspect" "401c5c54683ca6b37a4e987ac5eea9d1f5d3cf34cad15bedfd65142e69d709a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401c5c54683ca6b37a4e987ac5eea9d1f5d3cf34cad15bedfd65142e69d709a5", kill_on_drop: false }`
[INFO] [stdout] 401c5c54683ca6b37a4e987ac5eea9d1f5d3cf34cad15bedfd65142e69d709a5