[INFO] cloning repository https://github.com/Luffbee/talent-dss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Luffbee/talent-dss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuffbee%2Ftalent-dss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuffbee%2Ftalent-dss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f62698c0ed5b2584f0472b0922394829253eab57
[INFO] documenting Luffbee/talent-dss against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuffbee%2Ftalent-dss" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Luffbee/talent-dss on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Luffbee/talent-dss
[INFO] finished tweaking git repo https://github.com/Luffbee/talent-dss
[INFO] tweaked toml for git repo https://github.com/Luffbee/talent-dss written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Luffbee/talent-dss already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded atty v0.2.12
[INFO] [stderr]   Downloaded prost v0.5.0
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded futures-timer v0.1.1
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.8
[INFO] [stderr]   Downloaded regex v1.1.9
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 846505ec5dcdecffbb37e16966b8c2b308c96ba83f1c20223238bb984f73c9b9
[INFO] running `Command { std: "docker" "start" "-a" "846505ec5dcdecffbb37e16966b8c2b308c96ba83f1c20223238bb984f73c9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846505ec5dcdecffbb37e16966b8c2b308c96ba83f1c20223238bb984f73c9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846505ec5dcdecffbb37e16966b8c2b308c96ba83f1c20223238bb984f73c9b9", kill_on_drop: false }`
[INFO] [stdout] 846505ec5dcdecffbb37e16966b8c2b308c96ba83f1c20223238bb984f73c9b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64228f9d391b5f5310f017a073926a26cca8cc67fbe2d8988f6ac8445c39956b
[INFO] running `Command { std: "docker" "start" "-a" "64228f9d391b5f5310f017a073926a26cca8cc67fbe2d8988f6ac8445c39956b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking linearizability v0.1.0 (/opt/rustwide/workdir/linearizability)
[INFO] [stderr]  Documenting linearizability v0.1.0 (/opt/rustwide/workdir/linearizability)
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling labcodec v0.1.0 (/opt/rustwide/workdir/labcodec)
[INFO] [stderr]    Compiling percolator v0.1.0 (/opt/rustwide/workdir/percolator)
[INFO] [stderr]  Documenting labcodec v0.1.0 (/opt/rustwide/workdir/labcodec)
[INFO] [stderr]     Checking labrpc v0.1.0 (/opt/rustwide/workdir/labrpc)
[INFO] [stderr]  Documenting labrpc v0.1.0 (/opt/rustwide/workdir/labrpc)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> labrpc/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> labrpc/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `labrpc` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `labrpc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name labrpc labrpc/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8653baea5070622f -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-2ead5817ed554f5d.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-ffd4715089f55691.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-598e7b2199a8492c.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-9a66c922c9fa198d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-36f9cfd64b41c3e9.rmeta --extern labcodec=/opt/rustwide/target/debug/deps/liblabcodec-2a7c47a14969c571.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-bf21fbf3b18554ea.rmeta --extern prost=/opt/rustwide/target/debug/deps/libprost-6fff0f735b005fbf.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-7206f619a9a3b019.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "64228f9d391b5f5310f017a073926a26cca8cc67fbe2d8988f6ac8445c39956b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64228f9d391b5f5310f017a073926a26cca8cc67fbe2d8988f6ac8445c39956b", kill_on_drop: false }`
[INFO] [stdout] 64228f9d391b5f5310f017a073926a26cca8cc67fbe2d8988f6ac8445c39956b
[INFO] documenting Luffbee/talent-dss against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuffbee%2Ftalent-dss" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Luffbee/talent-dss on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Luffbee/talent-dss
[INFO] finished tweaking git repo https://github.com/Luffbee/talent-dss
[INFO] tweaked toml for git repo https://github.com/Luffbee/talent-dss written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Luffbee/talent-dss already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ccfccc0975476b7c2999f43f5a86786f4a68fad5b18ce5a66287624b6a8f214
[INFO] running `Command { std: "docker" "start" "-a" "3ccfccc0975476b7c2999f43f5a86786f4a68fad5b18ce5a66287624b6a8f214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ccfccc0975476b7c2999f43f5a86786f4a68fad5b18ce5a66287624b6a8f214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ccfccc0975476b7c2999f43f5a86786f4a68fad5b18ce5a66287624b6a8f214", kill_on_drop: false }`
[INFO] [stdout] 3ccfccc0975476b7c2999f43f5a86786f4a68fad5b18ce5a66287624b6a8f214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b1390ba41bb43b31ba87cbc64abcd1fde20f9617492bde329404d6d44541194
[INFO] running `Command { std: "docker" "start" "-a" "9b1390ba41bb43b31ba87cbc64abcd1fde20f9617492bde329404d6d44541194", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking linearizability v0.1.0 (/opt/rustwide/workdir/linearizability)
[INFO] [stderr]  Documenting linearizability v0.1.0 (/opt/rustwide/workdir/linearizability)
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling labcodec v0.1.0 (/opt/rustwide/workdir/labcodec)
[INFO] [stderr]    Compiling percolator v0.1.0 (/opt/rustwide/workdir/percolator)
[INFO] [stderr]  Documenting labcodec v0.1.0 (/opt/rustwide/workdir/labcodec)
[INFO] [stderr]     Checking labrpc v0.1.0 (/opt/rustwide/workdir/labrpc)
[INFO] [stderr]  Documenting labrpc v0.1.0 (/opt/rustwide/workdir/labrpc)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> labrpc/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> labrpc/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `labrpc` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `labrpc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name labrpc labrpc/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5117adfda888d9aa -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-e2d912c6422ea6be.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-51454e8805d2389d.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-3c48caa0e5a116a2.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-5ca9947e49c6f6a1.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5d4b5ed8571576f8.rmeta --extern labcodec=/opt/rustwide/target/debug/deps/liblabcodec-ba996b29e6fcc7e4.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-d9889fe4b1ad2240.rmeta --extern prost=/opt/rustwide/target/debug/deps/libprost-5227260f8a0ee1bf.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a88a2721635954bc.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9b1390ba41bb43b31ba87cbc64abcd1fde20f9617492bde329404d6d44541194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1390ba41bb43b31ba87cbc64abcd1fde20f9617492bde329404d6d44541194", kill_on_drop: false }`
[INFO] [stdout] 9b1390ba41bb43b31ba87cbc64abcd1fde20f9617492bde329404d6d44541194
