[INFO] cloning repository https://github.com/kev-liao/6.824-final-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kev-liao/6.824-final-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkev-liao%2F6.824-final-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkev-liao%2F6.824-final-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34b80e918b03ac138ec0c969e45788488e011e9a
[INFO] documenting kev-liao/6.824-final-project against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkev-liao%2F6.824-final-project" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kev-liao/6.824-final-project on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kev-liao/6.824-final-project
[INFO] finished tweaking git repo https://github.com/kev-liao/6.824-final-project
[INFO] tweaked toml for git repo https://github.com/kev-liao/6.824-final-project written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kev-liao/6.824-final-project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.8
[INFO] [stderr]   Downloaded syn v1.0.62
[INFO] [stderr]   Downloaded chacha20 v0.6.0
[INFO] [stderr]   Downloaded p256 v0.7.2
[INFO] [stderr]   Downloaded flint-sys v0.3.0
[INFO] [stderr]   Downloaded az v1.1.0
[INFO] [stderr]   Downloaded tarpc-plugins v0.9.0
[INFO] [stderr]   Downloaded rug-fft v0.1.1
[INFO] [stderr]   Downloaded educe v0.4.13
[INFO] [stderr]   Downloaded tokio-serde v0.8.0
[INFO] [stderr]   Downloaded hpke v0.5.0
[INFO] [stderr]   Downloaded chacha20poly1305 v0.7.1
[INFO] [stderr]   Downloaded rug v1.11.0
[INFO] [stderr]   Downloaded tarpc v0.24.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.3
[INFO] [stderr]   Downloaded rug-polynomial v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78568a517afc29558ac569ed7b29bb9f41ff3220883731eaf8bbac8568868fb7
[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" "78568a517afc29558ac569ed7b29bb9f41ff3220883731eaf8bbac8568868fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78568a517afc29558ac569ed7b29bb9f41ff3220883731eaf8bbac8568868fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78568a517afc29558ac569ed7b29bb9f41ff3220883731eaf8bbac8568868fb7", kill_on_drop: false }`
[INFO] [stdout] 78568a517afc29558ac569ed7b29bb9f41ff3220883731eaf8bbac8568868fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 79a2a0964d2cf0f6ee285c8a3b5616a9a02752f84e023c75d658fa34a1f57ed0
[INFO] running `Command { std: "docker" "start" "-a" "79a2a0964d2cf0f6ee285c8a3b5616a9a02752f84e023c75d658fa34a1f57ed0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling flint-sys v0.3.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling tarpc-plugins v0.9.0
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]    Compiling educe v0.4.13
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking elliptic-curve v0.8.5
[INFO] [stderr]     Checking chacha20 v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking chacha20poly1305 v0.7.1
[INFO] [stderr]     Checking p256 v0.7.2
[INFO] [stderr]     Checking x25519-dalek v1.1.0
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking hpke v0.5.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking tokio-serde v0.8.0
[INFO] [stderr]     Checking tarpc v0.24.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking rug-fft v0.1.1
[INFO] [stderr]     Checking rug-polynomial v0.2.0
[INFO] [stderr]     Checking pa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting pa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `pa`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name pa src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-1f3075e2c80e3be5.rmeta --extern blake3=/opt/rustwide/target/debug/deps/libblake3-b373f8bba340b11b.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-ded23f718088fd94.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-a3daeea15fc733ed.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-b55a483d76de4176.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-303486938539c939.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-3303e62dbe377562.rmeta --extern hpke=/opt/rustwide/target/debug/deps/libhpke-d0a2142015eaa2c7.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-033fc988693d886a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-5c0a0bf9214756fa.rmeta --extern rug=/opt/rustwide/target/debug/deps/librug-ec33a4cc2d3d3c40.rmeta --extern rug_polynomial=/opt/rustwide/target/debug/deps/librug_polynomial-58cfffdcc058cf20.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9c22c4bc2390c7ec.rmeta --extern tarpc=/opt/rustwide/target/debug/deps/libtarpc-33720b19e0d180e0.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-eccf5d7c11db52b4.rmeta --extern tokio_native_tls=/opt/rustwide/target/debug/deps/libtokio_native_tls-4dde0dd2a57dd3bd.rmeta --extern tokio_rustls=/opt/rustwide/target/debug/deps/libtokio_rustls-e9fb7ce86cbadcde.rmeta --extern tokio_serde=/opt/rustwide/target/debug/deps/libtokio_serde-08dbea46439c5c61.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-3c455909d896671c.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-57a9eef2ed40fe69.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-53fc61867294a6e2.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-331fe092b929d5ad.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: build failed
[INFO] running `Command { std: "docker" "inspect" "79a2a0964d2cf0f6ee285c8a3b5616a9a02752f84e023c75d658fa34a1f57ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a2a0964d2cf0f6ee285c8a3b5616a9a02752f84e023c75d658fa34a1f57ed0", kill_on_drop: false }`
[INFO] [stdout] 79a2a0964d2cf0f6ee285c8a3b5616a9a02752f84e023c75d658fa34a1f57ed0
