[INFO] cloning repository https://github.com/FrattiNor/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrattiNor/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrattiNor%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrattiNor%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19f759fa7bf3a1fe7deb959c4d9be545048ab5d6
[INFO] documenting FrattiNor/rust-practice against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrattiNor%2Frust-practice" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrattiNor/rust-practice on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrattiNor/rust-practice
[INFO] finished tweaking git repo https://github.com/FrattiNor/rust-practice
[INFO] tweaked toml for git repo https://github.com/FrattiNor/rust-practice written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/FrattiNor/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fed047c4b2d3e2dc7eece7b7149541be42cd025be25de048df4e17f216666a7b
[INFO] running `Command { std: "docker" "start" "-a" "fed047c4b2d3e2dc7eece7b7149541be42cd025be25de048df4e17f216666a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fed047c4b2d3e2dc7eece7b7149541be42cd025be25de048df4e17f216666a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed047c4b2d3e2dc7eece7b7149541be42cd025be25de048df4e17f216666a7b", kill_on_drop: false }`
[INFO] [stdout] fed047c4b2d3e2dc7eece7b7149541be42cd025be25de048df4e17f216666a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d863c106e0c0ed82dda90c106eb9dcb9043e67a4a22c27148bfa0aeee3c57a6
[INFO] running `Command { std: "docker" "start" "-a" "3d863c106e0c0ed82dda90c106eb9dcb9043e67a4a22c27148bfa0aeee3c57a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking bigint v4.4.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap v3.1.12
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]  Documenting rust-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `rust-practice`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name unit_test_example src/bin/unit_test_example/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=9789ffd259188534 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-0657bc08aa8032ee.rmeta --extern bigint=/opt/rustwide/target/debug/deps/libbigint-1ec28d4847ec3fa0.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-23f05ffcf37cc060.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-7343c5416d0334c3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-402f3840c32ad46c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f704f851ced59b77.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-ee32051f9bf63452.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `rust-practice`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name my_box src/bin/my_box/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=01e7634b0fee75c3 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-0657bc08aa8032ee.rmeta --extern bigint=/opt/rustwide/target/debug/deps/libbigint-1ec28d4847ec3fa0.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-23f05ffcf37cc060.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-7343c5416d0334c3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-402f3840c32ad46c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f704f851ced59b77.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-ee32051f9bf63452.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3d863c106e0c0ed82dda90c106eb9dcb9043e67a4a22c27148bfa0aeee3c57a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d863c106e0c0ed82dda90c106eb9dcb9043e67a4a22c27148bfa0aeee3c57a6", kill_on_drop: false }`
[INFO] [stdout] 3d863c106e0c0ed82dda90c106eb9dcb9043e67a4a22c27148bfa0aeee3c57a6