[INFO] crate graft 0.1.7 is already in cache
[INFO] documenting graft-0.1.7 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate graft 0.1.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate graft 0.1.7 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graft 0.1.7
[INFO] finished tweaking crates.io crate graft 0.1.7
[INFO] tweaked toml for crates.io crate graft 0.1.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3b4fe08b48e06904ee43e38de24cc1a90a5fa550716a4cbe7539c91c3f63410
[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" "d3b4fe08b48e06904ee43e38de24cc1a90a5fa550716a4cbe7539c91c3f63410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b4fe08b48e06904ee43e38de24cc1a90a5fa550716a4cbe7539c91c3f63410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b4fe08b48e06904ee43e38de24cc1a90a5fa550716a4cbe7539c91c3f63410", kill_on_drop: false }`
[INFO] [stdout] d3b4fe08b48e06904ee43e38de24cc1a90a5fa550716a4cbe7539c91c3f63410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb04e7ec9a09d0e3da28de71d3a025759880a486b855df6d276e2fe2a179adb7
[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" "fb04e7ec9a09d0e3da28de71d3a025759880a486b855df6d276e2fe2a179adb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking comrak v0.3.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting graft v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "fb04e7ec9a09d0e3da28de71d3a025759880a486b855df6d276e2fe2a179adb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb04e7ec9a09d0e3da28de71d3a025759880a486b855df6d276e2fe2a179adb7", kill_on_drop: false }`
[INFO] [stdout] fb04e7ec9a09d0e3da28de71d3a025759880a486b855df6d276e2fe2a179adb7