[INFO] fetching crate typeracer 2.0.3...
[INFO] documenting typeracer-2.0.3 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate typeracer 2.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate typeracer 2.0.3 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 typeracer 2.0.3
[INFO] finished tweaking crates.io crate typeracer 2.0.3
[INFO] tweaked toml for crates.io crate typeracer 2.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate typeracer 2.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 13e9d5322e350b762d66814ecba2bc5a3f500bedca22ab8db26cb34ff91813be
[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" "13e9d5322e350b762d66814ecba2bc5a3f500bedca22ab8db26cb34ff91813be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e9d5322e350b762d66814ecba2bc5a3f500bedca22ab8db26cb34ff91813be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e9d5322e350b762d66814ecba2bc5a3f500bedca22ab8db26cb34ff91813be", kill_on_drop: false }`
[INFO] [stdout] 13e9d5322e350b762d66814ecba2bc5a3f500bedca22ab8db26cb34ff91813be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 05cd9c3a01617b0d1a3eeb689a86c094296686bbd959f352f2aedbc5c5530f6a
[INFO] running `Command { std: "docker" "start" "-a" "05cd9c3a01617b0d1a3eeb689a86c094296686bbd959f352f2aedbc5c5530f6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking directories-next v1.0.1
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling rusqlite v0.23.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.12.12+1.0.1
[INFO] [stderr]     Checking git2 v0.13.10
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking refinery-core v0.3.1
[INFO] [stderr]    Compiling refinery-macros v0.3.0
[INFO] [stderr]     Checking refinery v0.3.0
[INFO] [stderr]  Documenting typeracer v2.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "05cd9c3a01617b0d1a3eeb689a86c094296686bbd959f352f2aedbc5c5530f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cd9c3a01617b0d1a3eeb689a86c094296686bbd959f352f2aedbc5c5530f6a", kill_on_drop: false }`
[INFO] [stdout] 05cd9c3a01617b0d1a3eeb689a86c094296686bbd959f352f2aedbc5c5530f6a
