[INFO] cloning repository https://github.com/mtf323-lehigh/treedir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtf323-lehigh/treedir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtf323-lehigh%2Ftreedir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtf323-lehigh%2Ftreedir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3078a77620187737bb6cc35aab45100376844000
[INFO] documenting mtf323-lehigh/treedir against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtf323-lehigh%2Ftreedir" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtf323-lehigh/treedir on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mtf323-lehigh/treedir
[INFO] finished tweaking git repo https://github.com/mtf323-lehigh/treedir
[INFO] tweaked toml for git repo https://github.com/mtf323-lehigh/treedir written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/mtf323-lehigh/treedir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.75
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.75
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.75
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]   Downloaded web-sys v0.3.52
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded criterion-plot v0.4.4
[INFO] [stderr]   Downloaded plotters-backend v0.3.2
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.75
[INFO] [stderr]   Downloaded js-sys v0.3.52
[INFO] [stderr]   Downloaded criterion v0.3.5
[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf1dd51c714626aef00f71cb0609f319d22a2a024460dea0fe18c6bb812146fb
[INFO] running `Command { std: "docker" "start" "-a" "cf1dd51c714626aef00f71cb0609f319d22a2a024460dea0fe18c6bb812146fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf1dd51c714626aef00f71cb0609f319d22a2a024460dea0fe18c6bb812146fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1dd51c714626aef00f71cb0609f319d22a2a024460dea0fe18c6bb812146fb", kill_on_drop: false }`
[INFO] [stdout] cf1dd51c714626aef00f71cb0609f319d22a2a024460dea0fe18c6bb812146fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc64d17e6d9e22e6e84da8f4f8bb2754fa22cf4866138ea9d89a37c948b91422
[INFO] running `Command { std: "docker" "start" "-a" "bc64d17e6d9e22e6e84da8f4f8bb2754fa22cf4866138ea9d89a37c948b91422", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting treedir v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.77s
[INFO] running `Command { std: "docker" "inspect" "bc64d17e6d9e22e6e84da8f4f8bb2754fa22cf4866138ea9d89a37c948b91422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc64d17e6d9e22e6e84da8f4f8bb2754fa22cf4866138ea9d89a37c948b91422", kill_on_drop: false }`
[INFO] [stdout] bc64d17e6d9e22e6e84da8f4f8bb2754fa22cf4866138ea9d89a37c948b91422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d30dbc4cc6055d6aab7708447da699810108876a3350e128bf643c1b85f6d28c
[INFO] running `Command { std: "docker" "start" "-a" "d30dbc4cc6055d6aab7708447da699810108876a3350e128bf643c1b85f6d28c", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Documenting treedir v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "d30dbc4cc6055d6aab7708447da699810108876a3350e128bf643c1b85f6d28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30dbc4cc6055d6aab7708447da699810108876a3350e128bf643c1b85f6d28c", kill_on_drop: false }`
[INFO] [stdout] d30dbc4cc6055d6aab7708447da699810108876a3350e128bf643c1b85f6d28c