[INFO] updating cached repository https://github.com/mambisi/escanor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4441569adb2d76f5bd8144004a3d4cda5b3033ec
[INFO] documenting mambisi/escanor against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmambisi%2Fescanor" "/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/mambisi/escanor 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/mambisi/escanor
[INFO] finished tweaking git repo https://github.com/mambisi/escanor
[INFO] tweaked toml for git repo https://github.com/mambisi/escanor written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mambisi/escanor 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] 3389fff21b80ec3570317d6f5e77cd13705303f623edde83527d50b01f248301
[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" "3389fff21b80ec3570317d6f5e77cd13705303f623edde83527d50b01f248301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3389fff21b80ec3570317d6f5e77cd13705303f623edde83527d50b01f248301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3389fff21b80ec3570317d6f5e77cd13705303f623edde83527d50b01f248301", kill_on_drop: false }`
[INFO] [stdout] 3389fff21b80ec3570317d6f5e77cd13705303f623edde83527d50b01f248301
[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] [stdout] 75eef881d1a5acfb0c6283d07517a83a948199a8dfc323789561111c64b3babb
[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" "75eef881d1a5acfb0c6283d07517a83a948199a8dfc323789561111c64b3babb", kill_on_drop: false }`
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[INFO] [stderr]    Compiling phf_generator v0.7.24
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[INFO] [stderr]     Checking redis-protocol v1.0.0 (https://github.com/kevinmo13/redis-protocol.rs.git#70a1ef13)
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[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.15
[INFO] [stderr]     Checking failure v0.1.7
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[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking linefeed v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking serde_yaml v0.8.11
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[INFO] [stderr]     Checking multimap v0.8.1
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[INFO] [stderr]     Checking json_dotpath v1.0.2
[INFO] [stderr]     Checking colored_json v2.1.0
[INFO] [stderr]     Checking escanor v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting escanor v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_char` is never read
[INFO] [stdout]   --> src/common/parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut next_char = '\0';
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_char` is never read
[INFO] [stdout]   --> src/common/parser.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut prev_char = '\0';
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "75eef881d1a5acfb0c6283d07517a83a948199a8dfc323789561111c64b3babb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75eef881d1a5acfb0c6283d07517a83a948199a8dfc323789561111c64b3babb", kill_on_drop: false }`
[INFO] [stdout] 75eef881d1a5acfb0c6283d07517a83a948199a8dfc323789561111c64b3babb