[INFO] fetching crate pow2 0.1.0...
[INFO] checking pow2-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate pow2 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pow2 0.1.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pow2 0.1.0
[INFO] finished tweaking crates.io crate pow2 0.1.0
[INFO] tweaked toml for crates.io crate pow2 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85ab57732d1d4c38080c4a5bc4f1a7ebfe016d088d3c26b99baedec050e6a070
[INFO] running `Command { std: "docker" "start" "-a" "85ab57732d1d4c38080c4a5bc4f1a7ebfe016d088d3c26b99baedec050e6a070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85ab57732d1d4c38080c4a5bc4f1a7ebfe016d088d3c26b99baedec050e6a070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ab57732d1d4c38080c4a5bc4f1a7ebfe016d088d3c26b99baedec050e6a070", kill_on_drop: false }`
[INFO] [stdout] 85ab57732d1d4c38080c4a5bc4f1a7ebfe016d088d3c26b99baedec050e6a070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a258a78ae2f9150a5763293b22d7c9d8c97b9bbb1bd16d4ad585db7ab8211ee9
[INFO] running `Command { std: "docker" "start" "-a" "a258a78ae2f9150a5763293b22d7c9d8c97b9bbb1bd16d4ad585db7ab8211ee9", kill_on_drop: false }`
[INFO] [stderr]     Checking pow2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "a258a78ae2f9150a5763293b22d7c9d8c97b9bbb1bd16d4ad585db7ab8211ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a258a78ae2f9150a5763293b22d7c9d8c97b9bbb1bd16d4ad585db7ab8211ee9", kill_on_drop: false }`
[INFO] [stdout] a258a78ae2f9150a5763293b22d7c9d8c97b9bbb1bd16d4ad585db7ab8211ee9