[INFO] cloning repository https://github.com/ArchitBhonsle/gtk-rs-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArchitBhonsle/gtk-rs-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArchitBhonsle%2Fgtk-rs-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArchitBhonsle%2Fgtk-rs-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6894ee00da2d4a2d757d4b1e40fe07e92fe1c9d
[INFO] checking ArchitBhonsle/gtk-rs-experiment against try#506dff8de9f54f528028a7e4497ea925a4f3e19e for pr-94295
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArchitBhonsle%2Fgtk-rs-experiment" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArchitBhonsle/gtk-rs-experiment on toolchain 506dff8de9f54f528028a7e4497ea925a4f3e19e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArchitBhonsle/gtk-rs-experiment
[INFO] finished tweaking git repo https://github.com/ArchitBhonsle/gtk-rs-experiment
[INFO] tweaked toml for git repo https://github.com/ArchitBhonsle/gtk-rs-experiment written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/ArchitBhonsle/gtk-rs-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.ar
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.linker
[INFO] [stderr]     Updating git repository `https://github.com/ritchie46/polars`
[INFO] [stderr]     Updating git repository `https://github.com/apache/arrow-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/apache/parquet-testing.git`
[INFO] [stderr]     Updating git submodule `https://github.com/apache/arrow-testing`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded gtk-sys v0.10.0
[INFO] [stderr]   Downloaded glib v0.10.3
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded dwrote v0.11.0
[INFO] [stderr]   Downloaded flatbuffers v0.8.4
[INFO] [stderr]   Downloaded glib-sys v0.10.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.9.0
[INFO] [stderr]   Downloaded gdk v0.13.2
[INFO] [stderr]   Downloaded atk v0.9.0
[INFO] [stderr]   Downloaded gio v0.9.1
[INFO] [stderr]   Downloaded atk-sys v0.10.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.10.0
[INFO] [stderr]   Downloaded font-kit v0.7.1
[INFO] [stderr]   Downloaded pango-sys v0.10.0
[INFO] [stderr]   Downloaded gtk v0.9.2
[INFO] [stderr]   Downloaded system-deps v1.3.2
[INFO] [stderr]   Downloaded lexical v5.2.1
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.10.0
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded cairo-rs v0.9.1
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded gdk-sys v0.10.0
[INFO] [stderr]   Downloaded pango v0.9.1
[INFO] [stderr]   Downloaded lexical-core v0.7.5
[INFO] [stderr]   Downloaded gio-sys v0.10.1
[INFO] [stderr]   Downloaded gobject-sys v0.10.0
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded num-bigint v0.3.2
[INFO] [stderr]   Downloaded unsafe_unwrap v0.1.0
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded multiversion-macros v0.6.1
[INFO] [stderr]   Downloaded multiversion v0.6.1
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.0
[INFO] [stderr]   Downloaded plotters-cairo v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c9b1a3e33f973cc91d926c9f7a5bfe3a8780337627bcc95ccb1636fafa21ccc
[INFO] running `Command { std: "docker" "start" "-a" "7c9b1a3e33f973cc91d926c9f7a5bfe3a8780337627bcc95ccb1636fafa21ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c9b1a3e33f973cc91d926c9f7a5bfe3a8780337627bcc95ccb1636fafa21ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9b1a3e33f973cc91d926c9f7a5bfe3a8780337627bcc95ccb1636fafa21ccc", kill_on_drop: false }`
[INFO] [stdout] 7c9b1a3e33f973cc91d926c9f7a5bfe3a8780337627bcc95ccb1636fafa21ccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d6f7f9d363f1cec43d19147e07fe5e5f2bc1daad927d0469e10ef8013f3260f
[INFO] running `Command { std: "docker" "start" "-a" "7d6f7f9d363f1cec43d19147e07fe5e5f2bc1daad927d0469e10ef8013f3260f", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.ar
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-gnu.linker
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling arrow v4.0.0-SNAPSHOT (https://github.com/apache/arrow-rs?rev=d008f31b107c1030a1f5144c164e8ca8bf543576#d008f31b)
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking lexical v5.2.1
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.23/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="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=673226f856de3143 -C extra-filename=-673226f856de3143 --out-dir /opt/rustwide/target/debug/deps -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" "7d6f7f9d363f1cec43d19147e07fe5e5f2bc1daad927d0469e10ef8013f3260f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6f7f9d363f1cec43d19147e07fe5e5f2bc1daad927d0469e10ef8013f3260f", kill_on_drop: false }`
[INFO] [stdout] 7d6f7f9d363f1cec43d19147e07fe5e5f2bc1daad927d0469e10ef8013f3260f