[INFO] fetching crate slint-viewer 0.2.4...
[INFO] documenting slint-viewer-0.2.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate slint-viewer 0.2.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate slint-viewer 0.2.4 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slint-viewer 0.2.4
[INFO] finished tweaking crates.io crate slint-viewer 0.2.4
[INFO] tweaked toml for crates.io crate slint-viewer 0.2.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate slint-viewer 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95c77f3bff18daf211e1bd400587c0e6093eeb8e07b98318768bc2b3fe94dcc8
[INFO] running `Command { std: "docker" "start" "-a" "95c77f3bff18daf211e1bd400587c0e6093eeb8e07b98318768bc2b3fe94dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95c77f3bff18daf211e1bd400587c0e6093eeb8e07b98318768bc2b3fe94dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c77f3bff18daf211e1bd400587c0e6093eeb8e07b98318768bc2b3fe94dcc8", kill_on_drop: false }`
[INFO] [stdout] 95c77f3bff18daf211e1bd400587c0e6093eeb8e07b98318768bc2b3fe94dcc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dab209af809ef28f5d6aa58c9ced77d633455072600c26673d82956ecc06abe
[INFO] running `Command { std: "docker" "start" "-a" "0dab209af809ef28f5d6aa58c9ced77d633455072600c26673d82956ecc06abe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking unicode-script v0.5.4
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling unicode-general-category v0.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking ttf-parser v0.15.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling critical-section v0.2.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling atomic-polyfill v0.1.8
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking i-slint-common v0.2.4
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking easy-parallel v3.2.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking rctree v0.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking pin-weak v1.1.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]    Compiling dark-light v0.2.2
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking lru v0.7.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking by_address v1.0.4
[INFO] [stderr]     Checking detect-desktop-environment v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking dconf_rs v0.3.0
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking imgref v1.9.1
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]    Compiling i-slint-backend-selector v0.2.4
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]    Compiling i-slint-compiler v0.2.4
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking codemap v0.1.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking dunce v1.0.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking generativity v1.0.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr] error: could not compile `pkg-config`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pkg_config /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pkg-config-0.3.25/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 -C debuginfo=2 -C metadata=63bd554d7f22a757 -C extra-filename=-63bd554d7f22a757 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `unicode-general-category`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode-general-category-0.4.0/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=cc10a20ae05bd577 -C extra-filename=-cc10a20ae05bd577 --out-dir /opt/rustwide/target/debug/build/unicode-general-category-cc10a20ae05bd577 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=fd0c3ba7c22fa1f4 -C extra-filename=-fd0c3ba7c22fa1f4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `ucd-trie`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ucd_trie --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ucd-trie-0.1.3/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 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=ae77ff5e94b6d71d -C extra-filename=-ae77ff5e94b6d71d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `xml-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name xml /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml-rs-0.8.4/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 -C debuginfo=2 -C metadata=2ca1670042266d63 -C extra-filename=-2ca1670042266d63 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `ttf-parser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ttf_parser --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ttf-parser-0.15.0/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="apple-layout"' --cfg 'feature="default"' --cfg 'feature="glyph-names"' --cfg 'feature="opentype-layout"' --cfg 'feature="std"' --cfg 'feature="variable-fonts"' -C metadata=51a8ed79520b40a5 -C extra-filename=-51a8ed79520b40a5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.81/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=ce2f9633b29a667e -C extra-filename=-ce2f9633b29a667e --out-dir /opt/rustwide/target/debug/build/serde_json-ce2f9633b29a667e -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `glow`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name glow --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glow-0.11.2/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 -C metadata=3f255c6cd815712e -C extra-filename=-3f255c6cd815712e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "0dab209af809ef28f5d6aa58c9ced77d633455072600c26673d82956ecc06abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dab209af809ef28f5d6aa58c9ced77d633455072600c26673d82956ecc06abe", kill_on_drop: false }`
[INFO] [stdout] 0dab209af809ef28f5d6aa58c9ced77d633455072600c26673d82956ecc06abe