[INFO] cloning repository https://github.com/ItsEthra/yclass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ItsEthra/yclass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItsEthra%2Fyclass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItsEthra%2Fyclass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58c49d14bafb4896c08a5ba60fbfa5a775192fa1
[INFO] documenting ItsEthra/yclass against 1.99.0-beta.8 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItsEthra%2Fyclass" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ItsEthra/yclass
[INFO] finished tweaking git repo https://github.com/ItsEthra/yclass
[INFO] tweaked toml for git repo https://github.com/ItsEthra/yclass written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ItsEthra/yclass on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ItsEthra/yclass 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f98479b6fd4d4d847f2b0fb1517d0f4ed10bf9574955b5d79a598d6f600e8dd0
[INFO] running `Command { std: "docker" "start" "f98479b6fd4d4d847f2b0fb1517d0f4ed10bf9574955b5d79a598d6f600e8dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f98479b6fd4d4d847f2b0fb1517d0f4ed10bf9574955b5d79a598d6f600e8dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f98479b6fd4d4d847f2b0fb1517d0f4ed10bf9574955b5d79a598d6f600e8dd0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f98479b6fd4d4d847f2b0fb1517d0f4ed10bf9574955b5d79a598d6f600e8dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f98479b6fd4d4d847f2b0fb1517d0f4ed10bf9574955b5d79a598d6f600e8dd0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling cfg-expr v0.14.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]    Compiling rustix v0.37.7
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
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[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
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[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking nom v7.1.3
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[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling async-trait v0.1.68
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[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.25.1
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[INFO] [stderr]    Compiling x11-dl v2.21.0
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[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking accesskit v0.9.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling atomic-waker v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling blocking v1.3.0
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[INFO] [stderr]     Checking owned_ttf_parser v0.18.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking ab_glyph v0.2.20
[INFO] [stderr]    Compiling cpufeatures v0.2.6
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling winit v0.28.3
[INFO] [stderr] error: could not compile `nix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="acct"' --cfg 'feature="aio"' --cfg 'feature="default"' --cfg 'feature="dir"' --cfg 'feature="env"' --cfg 'feature="event"' --cfg 'feature="feature"' --cfg 'feature="fs"' --cfg 'feature="hostname"' --cfg 'feature="inotify"' --cfg 'feature="ioctl"' --cfg 'feature="kmod"' --cfg 'feature="memoffset"' --cfg 'feature="mman"' --cfg 'feature="mount"' --cfg 'feature="mqueue"' --cfg 'feature="net"' --cfg 'feature="personality"' --cfg 'feature="poll"' --cfg 'feature="process"' --cfg 'feature="pthread"' --cfg 'feature="ptrace"' --cfg 'feature="quota"' --cfg 'feature="reboot"' --cfg 'feature="resource"' --cfg 'feature="sched"' --cfg 'feature="signal"' --cfg 'feature="socket"' --cfg 'feature="term"' --cfg 'feature="time"' --cfg 'feature="ucontext"' --cfg 'feature="uio"' --cfg 'feature="user"' --cfg 'feature="zerocopy"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("acct", "aio", "default", "dir", "env", "event", "feature", "fs", "hostname", "inotify", "ioctl", "kmod", "memoffset", "mman", "mount", "mqueue", "net", "personality", "poll", "process", "pthread", "ptrace", "quota", "reboot", "resource", "sched", "signal", "socket", "term", "time", "ucontext", "uio", "user", "zerocopy"))' -C metadata=036fe5a9990e1871 -C extra-filename=-6a2807bb1eba0f80 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6ee610895838fb9b.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-fc02a6f63c7f72ea.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-01e63564a60d490f.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-f7545c6c5ae3a369.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=cd93504a3c06605d -C extra-filename=-54487f3deb4084e3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba3ee28175184575.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6b57d7fbea32c632.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a4533bc942190936.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f98479b6fd4d4d847f2b0fb1517d0f4ed10bf9574955b5d79a598d6f600e8dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98479b6fd4d4d847f2b0fb1517d0f4ed10bf9574955b5d79a598d6f600e8dd0", kill_on_drop: false }`
[INFO] [stdout] f98479b6fd4d4d847f2b0fb1517d0f4ed10bf9574955b5d79a598d6f600e8dd0