[INFO] fetching crate rust_ledger 0.4.0...
[INFO] documenting rust_ledger-0.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate rust_ledger 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rust_ledger 0.4.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_ledger 0.4.0
[INFO] finished tweaking crates.io crate rust_ledger 0.4.0
[INFO] tweaked toml for crates.io crate rust_ledger 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rust_ledger 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cf5f10488c974aa9656c4e7300c789faf0d16c8ac239b0db5f84fc3d6a42a49
[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" "1cf5f10488c974aa9656c4e7300c789faf0d16c8ac239b0db5f84fc3d6a42a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf5f10488c974aa9656c4e7300c789faf0d16c8ac239b0db5f84fc3d6a42a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf5f10488c974aa9656c4e7300c789faf0d16c8ac239b0db5f84fc3d6a42a49", kill_on_drop: false }`
[INFO] [stdout] 1cf5f10488c974aa9656c4e7300c789faf0d16c8ac239b0db5f84fc3d6a42a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86415b76c79fe10b92875bc1d2db34ba8419e7c4e2e876a4359f1e626d59317a
[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" "86415b76c79fe10b92875bc1d2db34ba8419e7c4e2e876a4359f1e626d59317a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking pargs v0.2.1
[INFO] [stderr]     Checking monee v0.0.5
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]  Documenting rust_ledger v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.69s
[INFO] running `Command { std: "docker" "inspect" "86415b76c79fe10b92875bc1d2db34ba8419e7c4e2e876a4359f1e626d59317a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86415b76c79fe10b92875bc1d2db34ba8419e7c4e2e876a4359f1e626d59317a", kill_on_drop: false }`
[INFO] [stdout] 86415b76c79fe10b92875bc1d2db34ba8419e7c4e2e876a4359f1e626d59317a