[INFO] cloning repository https://github.com/davidedelpapa/rust-ui-iui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidedelpapa/rust-ui-iui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidedelpapa%2Frust-ui-iui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidedelpapa%2Frust-ui-iui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6121957e1ba1a478dba571caf40ccd651a1d9c89
[INFO] testing davidedelpapa/rust-ui-iui against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidedelpapa%2Frust-ui-iui" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidedelpapa/rust-ui-iui on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidedelpapa/rust-ui-iui
[INFO] finished tweaking git repo https://github.com/davidedelpapa/rust-ui-iui
[INFO] tweaked toml for git repo https://github.com/davidedelpapa/rust-ui-iui written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/davidedelpapa/rust-ui-iui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iui v0.3.0
[INFO] [stderr]   Downloaded ui-sys v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 300719115b1121bae57a87941a8234e67b2ecdf23edfcda9c3bf152d5b11562f
[INFO] running `Command { std: "docker" "start" "-a" "300719115b1121bae57a87941a8234e67b2ecdf23edfcda9c3bf152d5b11562f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "300719115b1121bae57a87941a8234e67b2ecdf23edfcda9c3bf152d5b11562f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300719115b1121bae57a87941a8234e67b2ecdf23edfcda9c3bf152d5b11562f", kill_on_drop: false }`
[INFO] [stdout] 300719115b1121bae57a87941a8234e67b2ecdf23edfcda9c3bf152d5b11562f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e10ad4db7b280d27daade47a57aafdc0ada25360c628ef33ce1635a222d20a5
[INFO] running `Command { std: "docker" "start" "-a" "1e10ad4db7b280d27daade47a57aafdc0ada25360c628ef33ce1635a222d20a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling ui-sys v0.1.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr] error: could not compile `backtrace`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name backtrace --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.55/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="addr2line"' --cfg 'feature="default"' --cfg 'feature="gimli-symbolize"' --cfg 'feature="miniz_oxide"' --cfg 'feature="object"' --cfg 'feature="std"' -C metadata=084796a64878a0b5 -C extra-filename=-084796a64878a0b5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern addr2line=/opt/rustwide/target/debug/deps/libaddr2line-6cc8a696dee8d994.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-97437e183f3ae6e4.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-89dff97ac678bcbd.rmeta --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-7944769413643ed0.rmeta --extern object=/opt/rustwide/target/debug/deps/libobject-8d082ace0cd4b298.rmeta --extern rustc_demangle=/opt/rustwide/target/debug/deps/librustc_demangle-db76dfe7b92bf8d2.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: build failed
[INFO] running `Command { std: "docker" "inspect" "1e10ad4db7b280d27daade47a57aafdc0ada25360c628ef33ce1635a222d20a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e10ad4db7b280d27daade47a57aafdc0ada25360c628ef33ce1635a222d20a5", kill_on_drop: false }`
[INFO] [stdout] 1e10ad4db7b280d27daade47a57aafdc0ada25360c628ef33ce1635a222d20a5