[INFO] fetching crate tracers-macros 0.1.0...
[INFO] documenting tracers-macros-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate tracers-macros 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tracers-macros 0.1.0 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 tracers-macros 0.1.0
[INFO] finished tweaking crates.io crate tracers-macros 0.1.0
[INFO] tweaked toml for crates.io crate tracers-macros 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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] 93ace69d5c045d328e7d3d53ef7a3237a52578bb9f52cf4c9262984da566a466
[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" "93ace69d5c045d328e7d3d53ef7a3237a52578bb9f52cf4c9262984da566a466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ace69d5c045d328e7d3d53ef7a3237a52578bb9f52cf4c9262984da566a466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ace69d5c045d328e7d3d53ef7a3237a52578bb9f52cf4c9262984da566a466", kill_on_drop: false }`
[INFO] [stdout] 93ace69d5c045d328e7d3d53ef7a3237a52578bb9f52cf4c9262984da566a466
[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] 8809fbed431a019f1819c6392c83259156b2a32e92efbc224044e56c21b441e4
[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" "8809fbed431a019f1819c6392c83259156b2a32e92efbc224044e56c21b441e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling strum v0.16.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_str v0.1.0
[INFO] [stderr]    Compiling cargo_metadata v0.9.1
[INFO] [stderr]    Compiling tracers-core v0.1.0
[INFO] [stderr]    Compiling askama_shared v0.8.0
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling askama v0.8.0
[INFO] [stderr]    Compiling tracers-codegen v0.1.0
[INFO] [stderr]    Compiling tracers-macros-hack v0.1.0
[INFO] [stderr]  Documenting tracers-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.20s
[INFO] running `Command { std: "docker" "inspect" "8809fbed431a019f1819c6392c83259156b2a32e92efbc224044e56c21b441e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8809fbed431a019f1819c6392c83259156b2a32e92efbc224044e56c21b441e4", kill_on_drop: false }`
[INFO] [stdout] 8809fbed431a019f1819c6392c83259156b2a32e92efbc224044e56c21b441e4