[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 try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkev-liao%2F6.824-final-project" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kev-liao/6.824-final-project on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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-2/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d70c78184d3330a4c51452527c0d9a354b8015b72b5366c9c016e18d200bd28b
[INFO] running `Command { std: "docker" "start" "-a" "d70c78184d3330a4c51452527c0d9a354b8015b72b5366c9c016e18d200bd28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d70c78184d3330a4c51452527c0d9a354b8015b72b5366c9c016e18d200bd28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70c78184d3330a4c51452527c0d9a354b8015b72b5366c9c016e18d200bd28b", kill_on_drop: false }`
[INFO] [stdout] d70c78184d3330a4c51452527c0d9a354b8015b72b5366c9c016e18d200bd28b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2d6b34b289993f8de92477090cf88860656eb74df8c5f79827de31a6ee8d8e9
[INFO] running `Command { std: "docker" "start" "-a" "c2d6b34b289993f8de92477090cf88860656eb74df8c5f79827de31a6ee8d8e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cc v1.0.67
[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 memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking bitvec v0.18.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling flint-sys v0.3.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking hmac v0.10.1
[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 rand v0.7.3
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[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 enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[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 chacha20 v0.6.0
[INFO] [stderr]     Checking elliptic-curve v0.8.5
[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-rustls v0.22.0
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking uuid v0.8.2
[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 bin --crate-name server src/bin/server.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d68de740a87128c9 -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-f2ee2e322c4b680f.rmeta --extern blake3=/opt/rustwide/target/debug/deps/libblake3-609e92d854b2672b.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-e63dc9f1936f6921.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-e88c6dc268eea1ee.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-4c238c8fd11d479b.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-38a0e0a12b78ba0c.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-52738f6114d4bb1b.rmeta --extern hpke=/opt/rustwide/target/debug/deps/libhpke-e8929b8f24322c43.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-4acafeaadf322a5e.rmeta --extern pa=/opt/rustwide/target/debug/deps/libpa-b6fcd674bb08c17b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-f00cb1d5c87ddf43.rmeta --extern rug=/opt/rustwide/target/debug/deps/librug-dd5d799b740f7bf1.rmeta --extern rug_polynomial=/opt/rustwide/target/debug/deps/librug_polynomial-dc88cab53581a8a3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-44a610f64ee61594.rmeta --extern tarpc=/opt/rustwide/target/debug/deps/libtarpc-39c6ad5c9ab65785.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-eb32ae32392a7c13.rmeta --extern tokio_native_tls=/opt/rustwide/target/debug/deps/libtokio_native_tls-7fba02a976b7d2b2.rmeta --extern tokio_rustls=/opt/rustwide/target/debug/deps/libtokio_rustls-53db2f9770f7ca21.rmeta --extern tokio_serde=/opt/rustwide/target/debug/deps/libtokio_serde-202a57ba1f9fb72b.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-964ad4b143f87150.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-e0f52c93a61640fc.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-161355cbb01794f1.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-23572fc17f49a6b9.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c2d6b34b289993f8de92477090cf88860656eb74df8c5f79827de31a6ee8d8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d6b34b289993f8de92477090cf88860656eb74df8c5f79827de31a6ee8d8e9", kill_on_drop: false }`
[INFO] [stdout] c2d6b34b289993f8de92477090cf88860656eb74df8c5f79827de31a6ee8d8e9