[INFO] fetching crate ledger-api 0.1.1...
[INFO] documenting ledger-api-0.1.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate ledger-api 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ledger-api 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledger-api 0.1.1
[INFO] finished tweaking crates.io crate ledger-api 0.1.1
[INFO] tweaked toml for crates.io crate ledger-api 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8db38c4154d96be50aa7e1a9699d34acf0479ff906c8a1bcff3d9944c86cc36f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8db38c4154d96be50aa7e1a9699d34acf0479ff906c8a1bcff3d9944c86cc36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8db38c4154d96be50aa7e1a9699d34acf0479ff906c8a1bcff3d9944c86cc36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db38c4154d96be50aa7e1a9699d34acf0479ff906c8a1bcff3d9944c86cc36f", kill_on_drop: false }`
[INFO] [stdout] 8db38c4154d96be50aa7e1a9699d34acf0479ff906c8a1bcff3d9944c86cc36f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7fd434986a8c9d95709d05acb1ce8b9b00168c91a5afa94afc37a807aeeeb02
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c7fd434986a8c9d95709d05acb1ce8b9b00168c91a5afa94afc37a807aeeeb02", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]    Compiling ledger-api v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr] error: failed to run custom build command for `ledger-api v0.1.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ledger-api-5070c98290262ea0/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '1.47.0-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain 1.47.0-x86_64-unknown-linux-gnu`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c7fd434986a8c9d95709d05acb1ce8b9b00168c91a5afa94afc37a807aeeeb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7fd434986a8c9d95709d05acb1ce8b9b00168c91a5afa94afc37a807aeeeb02", kill_on_drop: false }`
[INFO] [stdout] c7fd434986a8c9d95709d05acb1ce8b9b00168c91a5afa94afc37a807aeeeb02
