[INFO] cloning repository https://github.com/liby/rust-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liby/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliby%2Frust-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliby%2Frust-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcb5a538f6654c03313ee4cf29e4bb25f6eb88c3
[INFO] documenting liby/rust-study 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%2Fliby%2Frust-study" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liby/rust-study 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/liby/rust-study
[INFO] finished tweaking git repo https://github.com/liby/rust-study
[INFO] tweaked toml for git repo https://github.com/liby/rust-study written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/liby/rust-study 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8462fc101f4967a9ce934e5eb3ce93837da21305fc2e48a568152785bd0ab213
[INFO] running `Command { std: "docker" "start" "-a" "8462fc101f4967a9ce934e5eb3ce93837da21305fc2e48a568152785bd0ab213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8462fc101f4967a9ce934e5eb3ce93837da21305fc2e48a568152785bd0ab213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8462fc101f4967a9ce934e5eb3ce93837da21305fc2e48a568152785bd0ab213", kill_on_drop: false }`
[INFO] [stdout] 8462fc101f4967a9ce934e5eb3ce93837da21305fc2e48a568152785bd0ab213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44626b605a7a165918f95ea3447ab1fa0a6f3bbe683cc5f547e718f9b3d6331c
[INFO] running `Command { std: "docker" "start" "-a" "44626b605a7a165918f95ea3447ab1fa0a6f3bbe683cc5f547e718f9b3d6331c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci)
[INFO] [stderr]     Checking web-server v0.1.0 (/opt/rustwide/workdir/web-server)
[INFO] [stderr]     Checking evaluation v0.1.0 (/opt/rustwide/workdir/evaluation)
[INFO] [stderr]     Checking tarait-bounds-test v0.1.0 (/opt/rustwide/workdir/tarait-bounds-test)
[INFO] [stderr]     Checking temperature v0.1.0 (/opt/rustwide/workdir/temperature)
[INFO] [stderr]     Checking christmas-song v0.1.0 (/opt/rustwide/workdir/christmas-song)
[INFO] [stderr]     Checking lifetime-annotations-test v0.1.0 (/opt/rustwide/workdir/lifetime-annotations-test)
[INFO] [stderr]     Checking piglatinize v0.1.0 (/opt/rustwide/workdir/piglatinize)
[INFO] [stderr]  Documenting web-server v0.1.0 (/opt/rustwide/workdir/web-server)
[INFO] [stderr]     Checking employee-management v0.1.0 (/opt/rustwide/workdir/employee-management)
[INFO] [stderr]  Documenting fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci)
[INFO] [stderr]  Documenting employee-management v0.1.0 (/opt/rustwide/workdir/employee-management)
[INFO] [stderr]  Documenting deadlocks-demo v0.1.0 (/opt/rustwide/workdir/deadlocks-demo)
[INFO] [stderr]  Documenting lifetime-annotations-test v0.1.0 (/opt/rustwide/workdir/lifetime-annotations-test)
[INFO] [stderr]  Documenting piglatinize v0.1.0 (/opt/rustwide/workdir/piglatinize)
[INFO] [stderr]  Documenting evaluation v0.1.0 (/opt/rustwide/workdir/evaluation)
[INFO] [stderr]  Documenting oo-design-patterns v0.1.0 (/opt/rustwide/workdir/oo-design-patterns)
[INFO] [stderr]  Documenting temperature v0.1.0 (/opt/rustwide/workdir/temperature)
[INFO] [stderr]  Documenting christmas-song v0.1.0 (/opt/rustwide/workdir/christmas-song)
[INFO] [stderr]  Documenting closures-demo v0.1.0 (/opt/rustwide/workdir/closures-demo)
[INFO] [stderr]  Documenting minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]  Documenting tarait-bounds-test v0.1.0 (/opt/rustwide/workdir/tarait-bounds-test)
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr] error: could not document `web-server`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name web_server web-server/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9cdafb734c0784b8 -L dependency=/opt/rustwide/target/debug/deps --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 `evaluation`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name evaluation evaluation/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c317c65495d32ebb -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `piglatinize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name piglatinize piglatinize/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=045d8cbdf861a3f6 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "44626b605a7a165918f95ea3447ab1fa0a6f3bbe683cc5f547e718f9b3d6331c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44626b605a7a165918f95ea3447ab1fa0a6f3bbe683cc5f547e718f9b3d6331c", kill_on_drop: false }`
[INFO] [stdout] 44626b605a7a165918f95ea3447ab1fa0a6f3bbe683cc5f547e718f9b3d6331c