[INFO] fetching crate usage-tracker 0.3.1...
[INFO] documenting usage-tracker-0.3.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate usage-tracker 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate usage-tracker 0.3.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usage-tracker 0.3.1
[INFO] finished tweaking crates.io crate usage-tracker 0.3.1
[INFO] tweaked toml for crates.io crate usage-tracker 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate usage-tracker 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded human-panic v1.0.3
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.19
[INFO] [stderr]   Downloaded ron v0.6.0
[INFO] [stderr]   Downloaded base64 v0.12.1
[INFO] [stderr]   Downloaded users v0.5.3
[INFO] [stderr]   Downloaded thiserror v1.0.19
[INFO] [stderr]   Downloaded standard_paths v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1c999800a6412f2fd9cef5523ac6ec7c60e029e45f4ce257675b895421e7f59
[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" "e1c999800a6412f2fd9cef5523ac6ec7c60e029e45f4ce257675b895421e7f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1c999800a6412f2fd9cef5523ac6ec7c60e029e45f4ce257675b895421e7f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c999800a6412f2fd9cef5523ac6ec7c60e029e45f4ce257675b895421e7f59", kill_on_drop: false }`
[INFO] [stdout] e1c999800a6412f2fd9cef5523ac6ec7c60e029e45f4ce257675b895421e7f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49127d4b8492bf443ce19ad3f8407d19cb72305e0f6d3f7be99337edbe10f817
[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" "49127d4b8492bf443ce19ad3f8407d19cb72305e0f6d3f7be99337edbe10f817", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking users v0.5.3
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking standard_paths v0.4.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking ron v0.6.0
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]  Documenting usage-tracker v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.93s
[INFO] running `Command { std: "docker" "inspect" "49127d4b8492bf443ce19ad3f8407d19cb72305e0f6d3f7be99337edbe10f817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49127d4b8492bf443ce19ad3f8407d19cb72305e0f6d3f7be99337edbe10f817", kill_on_drop: false }`
[INFO] [stdout] 49127d4b8492bf443ce19ad3f8407d19cb72305e0f6d3f7be99337edbe10f817
