[INFO] fetching crate base64-easy 0.1.1...
[INFO] checking base64-easy-0.1.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate base64-easy 0.1.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate base64-easy 0.1.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate base64-easy 0.1.1
[INFO] finished tweaking crates.io crate base64-easy 0.1.1
[INFO] tweaked toml for crates.io crate base64-easy 0.1.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f387e6bac25b2efe3f06baeee54f57ab2edf1de1cfdaff33c96a17f6950ed95
[INFO] running `Command { std: "docker" "start" "-a" "4f387e6bac25b2efe3f06baeee54f57ab2edf1de1cfdaff33c96a17f6950ed95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f387e6bac25b2efe3f06baeee54f57ab2edf1de1cfdaff33c96a17f6950ed95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f387e6bac25b2efe3f06baeee54f57ab2edf1de1cfdaff33c96a17f6950ed95", kill_on_drop: false }`
[INFO] [stdout] 4f387e6bac25b2efe3f06baeee54f57ab2edf1de1cfdaff33c96a17f6950ed95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76ba285693127493e182a7f3357494935dae8adecbd547d2e5b17ba706630062
[INFO] running `Command { std: "docker" "start" "-a" "76ba285693127493e182a7f3357494935dae8adecbd547d2e5b17ba706630062", kill_on_drop: false }`
[INFO] [stderr]     Checking base64-easy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "76ba285693127493e182a7f3357494935dae8adecbd547d2e5b17ba706630062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ba285693127493e182a7f3357494935dae8adecbd547d2e5b17ba706630062", kill_on_drop: false }`
[INFO] [stdout] 76ba285693127493e182a7f3357494935dae8adecbd547d2e5b17ba706630062