[INFO] fetching crate cargo-ui 0.3.0...
[INFO] testing cargo-ui-0.3.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate cargo-ui 0.3.0 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate cargo-ui 0.3.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-ui 0.3.0
[INFO] finished tweaking crates.io crate cargo-ui 0.3.0
[INFO] tweaked toml for crates.io crate cargo-ui 0.3.0 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate crates.io crate cargo-ui 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lyon_algorithms v0.17.6
[INFO] [stderr]   Downloaded auto_enums_derive v0.7.12
[INFO] [stderr]   Downloaded auto_enums_core v0.7.12
[INFO] [stderr]   Downloaded lyon_path v0.17.7
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[INFO] [stderr]   Downloaded auto_enums v0.7.12
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[INFO] [stderr]   Downloaded open v2.0.1
[INFO] [stderr]   Downloaded wayland-egl v0.28.6
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[INFO] [stderr]   Downloaded codemap v0.1.3
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[INFO] [stderr]   Downloaded css-color-parser2 v1.0.1
[INFO] [stderr]   Downloaded cpp_build v0.5.6
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[INFO] [stderr]   Downloaded weak-table v0.3.0
[INFO] [stderr]   Downloaded png v0.17.2
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[INFO] [stderr]   Downloaded resvg v0.19.0
[INFO] [stderr]   Downloaded dialog v0.3.0
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[INFO] [stderr]   Downloaded crates-index v0.18.0
[INFO] [stderr]   Downloaded const-field-offset-macro v0.1.1
[INFO] [stderr]   Downloaded sixtyfps-corelib-macros v0.1.4
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[INFO] [stderr]   Downloaded const-field-offset v0.1.1
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[INFO] [stderr]   Downloaded codemap-diagnostic v0.1.1
[INFO] [stderr]   Downloaded sixtyfps-rendering-backend-qt v0.1.4
[INFO] [stderr]   Downloaded sixtyfps-corelib v0.1.4
[INFO] [stderr]   Downloaded sixtyfps-build v0.1.4
[INFO] [stderr]   Downloaded vtable v0.1.3
[INFO] [stderr]   Downloaded qttypes v0.2.4
[INFO] [stderr]   Downloaded sixtyfps-compilerlib v0.1.4
[INFO] [stderr]   Downloaded sixtyfps-rendering-backend-gl v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dbd8aa2c540fcc026ec386f9e3c4c6c2b812f685d79b65e4a3d5aa5846108ce
[INFO] running `Command { std: "docker" "start" "-a" "4dbd8aa2c540fcc026ec386f9e3c4c6c2b812f685d79b65e4a3d5aa5846108ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dbd8aa2c540fcc026ec386f9e3c4c6c2b812f685d79b65e4a3d5aa5846108ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbd8aa2c540fcc026ec386f9e3c4c6c2b812f685d79b65e4a3d5aa5846108ce", kill_on_drop: false }`
[INFO] [stdout] 4dbd8aa2c540fcc026ec386f9e3c4c6c2b812f685d79b65e4a3d5aa5846108ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eb83ea271707aacc6274d71a0e78e58fcdef95de7eccd99244d666aad4edcac
[INFO] running `Command { std: "docker" "start" "-a" "5eb83ea271707aacc6274d71a0e78e58fcdef95de7eccd99244d666aad4edcac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling minimal-lexical v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling unicode-general-category v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling by_address v1.0.4
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling countme v2.0.4
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling unicode-script v0.5.4
[INFO] [stderr]    Compiling sixtyfps-compilerlib v0.1.4
[INFO] [stderr]    Compiling unicode-ccc v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
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[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling smol_str v0.1.18
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
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[INFO] [stderr]    Compiling pin-weak v1.0.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
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[INFO] [stderr]    Compiling weak-table v0.3.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling strum v0.22.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling rctree v0.4.0
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lru v0.6.6
[INFO] [stderr]    Compiling imgref v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling glow v0.11.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling sixtyfps-macros v0.1.4
[INFO] [stderr]    Compiling sixtyfps-rendering-backend-default v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling libloading v0.7.1
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling css-color-parser2 v1.0.1
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling rgb v0.8.27
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling auto_enums_derive v0.7.12
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling spin_on v0.1.1
[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-1.0.68/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unbounded_depth"' -C metadata=e3dca88fc828610d -C extra-filename=-e3dca88fc828610d --out-dir /opt/rustwide/target/debug/build/serde_json-e3dca88fc828610d -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5eb83ea271707aacc6274d71a0e78e58fcdef95de7eccd99244d666aad4edcac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb83ea271707aacc6274d71a0e78e58fcdef95de7eccd99244d666aad4edcac", kill_on_drop: false }`
[INFO] [stdout] 5eb83ea271707aacc6274d71a0e78e58fcdef95de7eccd99244d666aad4edcac