[INFO] cloning repository https://github.com/meskill/rust-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meskill/rust-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeskill%2Frust-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeskill%2Frust-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 184c9976ea4effc4be284e05758e040c4bd19730
[INFO] documenting meskill/rust-lab against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeskill%2Frust-lab" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/meskill/rust-lab
[INFO] finished tweaking git repo https://github.com/meskill/rust-lab
[INFO] tweaked toml for git repo https://github.com/meskill/rust-lab written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/meskill/rust-lab on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/meskill/rust-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8601da9aa8bb53df31a83f31948798754fd2ee73370e6650bc328cd9ee0e2159
[INFO] running `Command { std: "docker" "start" "-a" "8601da9aa8bb53df31a83f31948798754fd2ee73370e6650bc328cd9ee0e2159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8601da9aa8bb53df31a83f31948798754fd2ee73370e6650bc328cd9ee0e2159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8601da9aa8bb53df31a83f31948798754fd2ee73370e6650bc328cd9ee0e2159", kill_on_drop: false }`
[INFO] [stdout] 8601da9aa8bb53df31a83f31948798754fd2ee73370e6650bc328cd9ee0e2159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b2f0c94f81a778de0bf5f283d23171667db0d3a548e45e0551efb54a1e21077
[INFO] running `Command { std: "docker" "start" "-a" "4b2f0c94f81a778de0bf5f283d23171667db0d3a548e45e0551efb54a1e21077", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]  Documenting sum-of-multiples v1.5.0 (/opt/rustwide/workdir/exercism/rust/sum-of-multiples)
[INFO] [stderr]  Documenting web_server v0.1.0 (/opt/rustwide/workdir/book/web_server)
[INFO] [stderr]  Documenting proverb v1.1.0 (/opt/rustwide/workdir/exercism/rust/proverb)
[INFO] [stderr]  Documenting beer-song v0.0.0 (/opt/rustwide/workdir/exercism/rust/beer-song)
[INFO] [stderr]  Documenting plants_and_zombies v0.1.0 (/opt/rustwide/workdir/codewars/plants_and_zombies)
[INFO] [stderr]  Documenting human-readable-duration-format v0.1.0 (/opt/rustwide/workdir/codewars/human-readable-duration-format)
[INFO] [stderr]  Documenting space-age v1.2.0 (/opt/rustwide/workdir/exercism/rust/space-age)
[INFO] [stderr]  Documenting collatz_conjecture v1.2.1 (/opt/rustwide/workdir/exercism/rust/collatz-conjecture)
[INFO] [stderr]  Documenting last-digit-of-a-huge-number v0.1.0 (/opt/rustwide/workdir/codewars/last-digit-of-a-huge-number)
[INFO] [stderr]  Documenting nth_prime v2.1.0 (/opt/rustwide/workdir/exercism/rust/nth-prime)
[INFO] [stderr]  Documenting minigrep v0.1.0 (/opt/rustwide/workdir/book/minigrep)
[INFO] [stderr]  Documenting screen-locking-patterns v0.1.0 (/opt/rustwide/workdir/codewars/screen-locking-patterns)
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]  Documenting gigasecond v2.0.0 (/opt/rustwide/workdir/exercism/rust/gigasecond)
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]  Documenting bob v1.6.0 (/opt/rustwide/workdir/exercism/rust/bob)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting anagram v0.0.0 (/opt/rustwide/workdir/exercism/rust/anagram)
[INFO] [stderr]  Documenting reverse_string v1.2.0 (/opt/rustwide/workdir/exercism/rust/reverse-string)
[INFO] [stderr]  Documenting leap v1.6.0 (/opt/rustwide/workdir/exercism/rust/leap)
[INFO] [stderr]  Documenting become_immortal v0.1.0 (/opt/rustwide/workdir/codewars/become_immortal)
[INFO] [stderr]  Documenting armstrong_numbers v1.1.0 (/opt/rustwide/workdir/exercism/rust/armstrong-numbers)
[INFO] [stderr]  Documenting luhn-from v0.0.0 (/opt/rustwide/workdir/exercism/rust/luhn-from)
[INFO] [stderr]  Documenting luhn-trait v0.0.0 (/opt/rustwide/workdir/exercism/rust/luhn-trait)
[INFO] [stderr]  Documenting clock v2.4.0 (/opt/rustwide/workdir/exercism/rust/clock)
[INFO] [stderr]  Documenting prime_factors v1.1.0 (/opt/rustwide/workdir/exercism/rust/prime-factors)
[INFO] [stderr]  Documenting rail_fence_cypher v0.1.0 (/opt/rustwide/workdir/codewars/rail_fence_cypher)
[INFO] [stderr]  Documenting difference-of-squares v1.2.0 (/opt/rustwide/workdir/exercism/rust/difference-of-squares)
[INFO] [stderr]  Documenting eval_math_expression v0.1.0 (/opt/rustwide/workdir/codewars/eval_math_expression)
[INFO] [stderr]  Documenting guessing_game v0.1.0 (/opt/rustwide/workdir/book/guessing_game)
[INFO] [stderr]  Documenting diffie-hellman v0.1.0 (/opt/rustwide/workdir/exercism/rust/diffie-hellman)
[INFO] [stderr]  Documenting n-queens-problem v0.1.0 (/opt/rustwide/workdir/codewars/n-queens-problem)
[INFO] [stderr]  Documenting hamming v2.2.0 (/opt/rustwide/workdir/exercism/rust/hamming)
[INFO] [stderr]  Documenting high-scores v4.0.0 (/opt/rustwide/workdir/exercism/rust/high-scores)
[INFO] [stderr]  Documenting last-digit-of-a-large-number v0.1.0 (/opt/rustwide/workdir/codewars/last-digit-of-a-large-number)
[INFO] [stderr]  Documenting matching-brackets v2.0.0 (/opt/rustwide/workdir/exercism/rust/matching-brackets)
[INFO] [stderr]  Documenting luhn v1.6.1 (/opt/rustwide/workdir/exercism/rust/luhn)
[INFO] [stderr]  Documenting grains v1.2.0 (/opt/rustwide/workdir/exercism/rust/grains)
[INFO] [stderr]  Documenting raindrops v1.1.0 (/opt/rustwide/workdir/exercism/rust/raindrops)
[INFO] [stderr]  Documenting series v0.1.0 (/opt/rustwide/workdir/exercism/rust/series)
[INFO] [stderr]  Documenting minesweeper v1.1.0 (/opt/rustwide/workdir/exercism/rust/minesweeper)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.86s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/anagram/index.html and 37 other files
[INFO] running `Command { std: "docker" "inspect" "4b2f0c94f81a778de0bf5f283d23171667db0d3a548e45e0551efb54a1e21077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b2f0c94f81a778de0bf5f283d23171667db0d3a548e45e0551efb54a1e21077", kill_on_drop: false }`
[INFO] [stdout] 4b2f0c94f81a778de0bf5f283d23171667db0d3a548e45e0551efb54a1e21077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2280d6ef19a1a4d94fc6b20dbc7dbe9b5c34c531309bb45640ea08a73fd6ac31
[INFO] running `Command { std: "docker" "start" "-a" "2280d6ef19a1a4d94fc6b20dbc7dbe9b5c34c531309bb45640ea08a73fd6ac31", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "2280d6ef19a1a4d94fc6b20dbc7dbe9b5c34c531309bb45640ea08a73fd6ac31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2280d6ef19a1a4d94fc6b20dbc7dbe9b5c34c531309bb45640ea08a73fd6ac31", kill_on_drop: false }`
[INFO] [stdout] 2280d6ef19a1a4d94fc6b20dbc7dbe9b5c34c531309bb45640ea08a73fd6ac31