[INFO] fetching crate potential 2.2.1...
[INFO] building potential-2.2.1 against master#c8e6a9e8b6251bbc8276cb78cabe1998deecbed7 for pr-97334-2
[INFO] extracting crate potential 2.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate potential 2.2.1 on toolchain c8e6a9e8b6251bbc8276cb78cabe1998deecbed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate potential 2.2.1
[INFO] finished tweaking crates.io crate potential 2.2.1
[INFO] tweaked toml for crates.io crate potential 2.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8a560a067cbffaf8660a632e5bd2c7431f41de6143ceaf40503c2f837f8b248
[INFO] running `Command { std: "docker" "start" "-a" "a8a560a067cbffaf8660a632e5bd2c7431f41de6143ceaf40503c2f837f8b248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a560a067cbffaf8660a632e5bd2c7431f41de6143ceaf40503c2f837f8b248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a560a067cbffaf8660a632e5bd2c7431f41de6143ceaf40503c2f837f8b248", kill_on_drop: false }`
[INFO] [stdout] a8a560a067cbffaf8660a632e5bd2c7431f41de6143ceaf40503c2f837f8b248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46cd987adaf60cb33b01af5883933f849286bfb2900437cc58b21fd45cdfc17e
[INFO] running `Command { std: "docker" "start" "-a" "46cd987adaf60cb33b01af5883933f849286bfb2900437cc58b21fd45cdfc17e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling potential v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "46cd987adaf60cb33b01af5883933f849286bfb2900437cc58b21fd45cdfc17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46cd987adaf60cb33b01af5883933f849286bfb2900437cc58b21fd45cdfc17e", kill_on_drop: false }`
[INFO] [stdout] 46cd987adaf60cb33b01af5883933f849286bfb2900437cc58b21fd45cdfc17e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aed8e615d736bb8f57441b5f317315e08f7aaae1586a4c106d56e56624f4d3e
[INFO] running `Command { std: "docker" "start" "-a" "3aed8e615d736bb8f57441b5f317315e08f7aaae1586a4c106d56e56624f4d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling potential v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "3aed8e615d736bb8f57441b5f317315e08f7aaae1586a4c106d56e56624f4d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aed8e615d736bb8f57441b5f317315e08f7aaae1586a4c106d56e56624f4d3e", kill_on_drop: false }`
[INFO] [stdout] 3aed8e615d736bb8f57441b5f317315e08f7aaae1586a4c106d56e56624f4d3e