[INFO] cloning repository https://github.com/hwan513/simple-pdf-merger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwan513/simple-pdf-merger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwan513%2Fsimple-pdf-merger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwan513%2Fsimple-pdf-merger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 099c469bc22016d43566844fbc39add2c0711524
[INFO] documenting hwan513/simple-pdf-merger 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%2Fhwan513%2Fsimple-pdf-merger" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hwan513/simple-pdf-merger
[INFO] finished tweaking git repo https://github.com/hwan513/simple-pdf-merger
[INFO] tweaked toml for git repo https://github.com/hwan513/simple-pdf-merger written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hwan513/simple-pdf-merger 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/hwan513/simple-pdf-merger 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 ...
[INFO] [stderr]   Downloaded cxx-build v1.0.94
[INFO] [stderr]   Downloaded calloop v0.10.5
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.16.3
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.94
[INFO] [stderr]   Downloaded ecolor v0.21.0
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[INFO] [stderr]   Downloaded atk-sys v0.16.0
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[INFO] [stderr]   Downloaded sctk-adwaita v0.5.3
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[INFO] [stderr]   Downloaded cfg-expr v0.14.0
[INFO] [stderr]   Downloaded toml v0.7.3
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[INFO] [stderr]   Downloaded serde_repr v0.1.12
[INFO] [stderr]   Downloaded system-deps v6.0.4
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[INFO] [stderr]   Downloaded objc2 v0.3.0-beta.3
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[INFO] [stderr]   Downloaded gio-sys v0.16.3
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[INFO] [stderr]   Downloaded accesskit_windows v0.12.0
[INFO] [stderr]   Downloaded zvariant_derive v3.12.0
[INFO] [stderr]   Downloaded accesskit_consumer v0.13.0
[INFO] [stderr]   Downloaded zbus_macros v3.11.1
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[INFO] [stderr]   Downloaded epaint v0.21.0
[INFO] [stderr]   Downloaded const_fn v0.4.9
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[INFO] [stderr]   Downloaded time v0.2.27
[INFO] [stderr]   Downloaded egui v0.21.0
[INFO] [stderr]   Downloaded raw-window-handle v0.5.1
[INFO] [stderr]   Downloaded ttf-parser v0.18.1
[INFO] [stderr]   Downloaded enumflags2 v0.7.5
[INFO] [stderr]   Downloaded dirs-sys v0.4.0
[INFO] [stderr]   Downloaded windows-implement v0.42.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.94
[INFO] [stderr]   Downloaded orbclient v0.3.43
[INFO] [stderr]   Downloaded cairo-sys-rs v0.16.3
[INFO] [stderr]   Downloaded cxx v1.0.94
[INFO] [stderr]   Downloaded accesskit_winit v0.10.0
[INFO] [stderr]   Downloaded egui-winit v0.21.1
[INFO] [stderr]   Downloaded owned_ttf_parser v0.18.1
[INFO] [stderr]   Downloaded windows v0.42.0
[INFO] [stderr]   Downloaded tiny-skia-path v0.8.3
[INFO] [stderr]   Downloaded time-macros-impl v0.1.2
[INFO] [stderr]   Downloaded dirs v5.0.0
[INFO] [stderr]   Downloaded serde_spanned v0.6.1
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded atspi-macros v0.1.4
[INFO] [stderr]   Downloaded serde-xml-rs v0.4.1
[INFO] [stderr]   Downloaded gdk-sys v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cb6ac744933a20ce4d1c40d9ba2ace0e295f248ab129b82c56ca66f60150da83
[INFO] running `Command { std: "docker" "start" "cb6ac744933a20ce4d1c40d9ba2ace0e295f248ab129b82c56ca66f60150da83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6ac744933a20ce4d1c40d9ba2ace0e295f248ab129b82c56ca66f60150da83", 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" "cb6ac744933a20ce4d1c40d9ba2ace0e295f248ab129b82c56ca66f60150da83" "/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" "cb6ac744933a20ce4d1c40d9ba2ace0e295f248ab129b82c56ca66f60150da83", 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" "cb6ac744933a20ce4d1c40d9ba2ace0e295f248ab129b82c56ca66f60150da83" "/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 proc-macro2 v1.0.53
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling cfg-expr v0.14.0
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling rustix v0.37.3
[INFO] [stderr]    Compiling futures-io v0.3.27
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling async-lock v2.7.0
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling async-task v4.4.0
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling syn v2.0.10
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling atomic-waker v1.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.0
[INFO] [stderr]    Compiling blocking v1.3.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling cpufeatures v0.2.6
[INFO] [stderr]    Compiling futures-sink v0.3.27
[INFO] [stderr]     Checking accesskit v0.9.0
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]     Checking owned_ttf_parser v0.18.1
[INFO] [stderr]     Checking ab_glyph v0.2.20
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]     Checking raw-window-handle v0.5.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]    Compiling winit v0.28.3
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling glutin_egl_sys v0.4.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking accesskit_consumer v0.13.0
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling glutin v0.30.7
[INFO] [stderr]    Compiling const_fn v0.4.9
[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=6653e99a794efc24 -C extra-filename=-c6e5f7599da5bf5f --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-273e98c88e8c7ba0.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=990c6804115efab9 -C extra-filename=-ab2f50eb2791b3d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-86192b95247f3d64.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-15aced2f4ab7d1ab.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" "cb6ac744933a20ce4d1c40d9ba2ace0e295f248ab129b82c56ca66f60150da83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6ac744933a20ce4d1c40d9ba2ace0e295f248ab129b82c56ca66f60150da83", kill_on_drop: false }`
[INFO] [stdout] cb6ac744933a20ce4d1c40d9ba2ace0e295f248ab129b82c56ca66f60150da83