[INFO] crate cargo-count 0.2.4 is already in cache
[INFO] documenting cargo-count-0.2.4 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate cargo-count 0.2.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cargo-count 0.2.4 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 cargo-count 0.2.4
[INFO] finished tweaking crates.io crate cargo-count 0.2.4
[INFO] tweaked toml for crates.io crate cargo-count 0.2.4 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18b2d4d21424773e0129027c102d32586cbfc197274d317917b2074ba8958913
[INFO] running `Command { std: "docker" "start" "-a" "18b2d4d21424773e0129027c102d32586cbfc197274d317917b2074ba8958913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18b2d4d21424773e0129027c102d32586cbfc197274d317917b2074ba8958913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b2d4d21424773e0129027c102d32586cbfc197274d317917b2074ba8958913", kill_on_drop: false }`
[INFO] [stdout] 18b2d4d21424773e0129027c102d32586cbfc197274d317917b2074ba8958913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 107894ae8a0109a282b2b20a5c32040fdb490a647eb8f68a838ffa7daa50838b
[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" "107894ae8a0109a282b2b20a5c32040fdb490a647eb8f68a838ffa7daa50838b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking tabwriter v0.1.25
[INFO] [stderr]     Checking gitignore v1.0.6
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.11.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]  Documenting cargo-count v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |   //! ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 118 | | //! USAGE:
[INFO] [stdout] 119 | | //!     cargo count [FLAGS] [OPTIONS] [--] [ARGS]
[INFO] [stdout] 120 | | //!
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | | //! of the current directory you could do '--exclude */test.rs'.
[INFO] [stdout] 160 | | //! ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: character literal may only contain one codepoint
[INFO] [stdout]     = note: error from rustc: character literal may only contain one codepoint
[INFO] [stdout]     = note: error from rustc: character literal may only contain one codepoint
[INFO] [stdout]     = note: error from rustc: character literal may only contain one codepoint
[INFO] [stdout]     = note: error from rustc: character literal may only contain one codepoint
[INFO] [stdout]     = note: error from rustc: character literal may only contain one codepoint
[INFO] [stdout]     = note: error from rustc: unterminated character literal
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.99s
[INFO] running `Command { std: "docker" "inspect" "107894ae8a0109a282b2b20a5c32040fdb490a647eb8f68a838ffa7daa50838b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107894ae8a0109a282b2b20a5c32040fdb490a647eb8f68a838ffa7daa50838b", kill_on_drop: false }`
[INFO] [stdout] 107894ae8a0109a282b2b20a5c32040fdb490a647eb8f68a838ffa7daa50838b