[INFO] fetching crate cbor_enhanced 0.1.0...
[INFO] documenting cbor_enhanced-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cbor_enhanced 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cbor_enhanced 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbor_enhanced 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cbor_enhanced 0.1.0
[INFO] tweaked toml for crates.io crate cbor_enhanced 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate cbor_enhanced 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safe-transmute v0.11.0
[INFO] [stderr]   Downloaded cbor_enhanced_derive_protocol v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f42a213dd058431a7c1a035e9b2a8a40dfe888ff3f9e0cac1016fa5c6b416105
[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" "f42a213dd058431a7c1a035e9b2a8a40dfe888ff3f9e0cac1016fa5c6b416105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f42a213dd058431a7c1a035e9b2a8a40dfe888ff3f9e0cac1016fa5c6b416105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42a213dd058431a7c1a035e9b2a8a40dfe888ff3f9e0cac1016fa5c6b416105", kill_on_drop: false }`
[INFO] [stdout] f42a213dd058431a7c1a035e9b2a8a40dfe888ff3f9e0cac1016fa5c6b416105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4744441f5749705205d102ab693ffaae70427f972e2dd97e7ce2cdb7cfb6e89
[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" "f4744441f5749705205d102ab693ffaae70427f972e2dd97e7ce2cdb7cfb6e89", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting cbor_enhanced v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.46s
[INFO] running `Command { std: "docker" "inspect" "f4744441f5749705205d102ab693ffaae70427f972e2dd97e7ce2cdb7cfb6e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4744441f5749705205d102ab693ffaae70427f972e2dd97e7ce2cdb7cfb6e89", kill_on_drop: false }`
[INFO] [stdout] f4744441f5749705205d102ab693ffaae70427f972e2dd97e7ce2cdb7cfb6e89