[INFO] fetching crate serde_ltsv 0.1.0...
[INFO] documenting serde_ltsv-0.1.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate serde_ltsv 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde_ltsv 0.1.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_ltsv 0.1.0
[INFO] finished tweaking crates.io crate serde_ltsv 0.1.0
[INFO] tweaked toml for crates.io crate serde_ltsv 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b58791e3d59155cbb4361b91c78697e5c28ff3a869a5d01ef93496556683a4f6
[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" "b58791e3d59155cbb4361b91c78697e5c28ff3a869a5d01ef93496556683a4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b58791e3d59155cbb4361b91c78697e5c28ff3a869a5d01ef93496556683a4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58791e3d59155cbb4361b91c78697e5c28ff3a869a5d01ef93496556683a4f6", kill_on_drop: false }`
[INFO] [stdout] b58791e3d59155cbb4361b91c78697e5c28ff3a869a5d01ef93496556683a4f6
[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" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e25a6ed01d37a15f4edc8d03c6bc3023cf356490ce6d9bc716def6b0aa04782b
[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" "e25a6ed01d37a15f4edc8d03c6bc3023cf356490ce6d9bc716def6b0aa04782b", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]  Documenting serde_ltsv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 10 | | //! time:[10/Oct/2000:13:55:36 -0700]\tdone:true\tscore:-1\tmean:0.42\tcounter:42\tlevel:3\thost:testhostname\tname1:value1\tname 2: valu...
[INFO] [stdout] 11 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout]    = note: error from rustc: unknown start of token: \
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 9  | //! ```text
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "e25a6ed01d37a15f4edc8d03c6bc3023cf356490ce6d9bc716def6b0aa04782b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25a6ed01d37a15f4edc8d03c6bc3023cf356490ce6d9bc716def6b0aa04782b", kill_on_drop: false }`
[INFO] [stdout] e25a6ed01d37a15f4edc8d03c6bc3023cf356490ce6d9bc716def6b0aa04782b