[INFO] cloning repository https://github.com/AtomicMegaNerd/pinyin_tone_marks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AtomicMegaNerd/pinyin_tone_marks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtomicMegaNerd%2Fpinyin_tone_marks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtomicMegaNerd%2Fpinyin_tone_marks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba8b007b38bd00aaba6a5b31da09dd6d78fe7f2
[INFO] documenting AtomicMegaNerd/pinyin_tone_marks against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtomicMegaNerd%2Fpinyin_tone_marks" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AtomicMegaNerd/pinyin_tone_marks 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 git repo https://github.com/AtomicMegaNerd/pinyin_tone_marks
[INFO] finished tweaking git repo https://github.com/AtomicMegaNerd/pinyin_tone_marks
[INFO] tweaked toml for git repo https://github.com/AtomicMegaNerd/pinyin_tone_marks written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/AtomicMegaNerd/pinyin_tone_marks already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dfb376d3398d491724ea046bd7c593fa742b6ebf9fc6d35268e02de75b89f1ee
[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" "dfb376d3398d491724ea046bd7c593fa742b6ebf9fc6d35268e02de75b89f1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfb376d3398d491724ea046bd7c593fa742b6ebf9fc6d35268e02de75b89f1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb376d3398d491724ea046bd7c593fa742b6ebf9fc6d35268e02de75b89f1ee", kill_on_drop: false }`
[INFO] [stdout] dfb376d3398d491724ea046bd7c593fa742b6ebf9fc6d35268e02de75b89f1ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5fad2a5ae561b2edf4fe0a48238aa8b0fe79cbc3cd2d01fba1945d0f576bb56
[INFO] running `Command { std: "docker" "start" "-a" "c5fad2a5ae561b2edf4fe0a48238aa8b0fe79cbc3cd2d01fba1945d0f576bb56", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking log4rs v0.12.0
[INFO] [stderr]  Documenting pinyin_tone_marks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.34s
[INFO] running `Command { std: "docker" "inspect" "c5fad2a5ae561b2edf4fe0a48238aa8b0fe79cbc3cd2d01fba1945d0f576bb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5fad2a5ae561b2edf4fe0a48238aa8b0fe79cbc3cd2d01fba1945d0f576bb56", kill_on_drop: false }`
[INFO] [stdout] c5fad2a5ae561b2edf4fe0a48238aa8b0fe79cbc3cd2d01fba1945d0f576bb56