[INFO] cloning repository https://github.com/andersjoern/b64converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andersjoern/b64converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandersjoern%2Fb64converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandersjoern%2Fb64converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4305e8ccf73bf36f3009f30a571b6dc255cdcf4
[INFO] checking andersjoern/b64converter against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandersjoern%2Fb64converter" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andersjoern/b64converter on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andersjoern/b64converter
[INFO] finished tweaking git repo https://github.com/andersjoern/b64converter
[INFO] tweaked toml for git repo https://github.com/andersjoern/b64converter written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/andersjoern/b64converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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 fltk-derive v0.16.3
[INFO] [stderr]   Downloaded fltk v0.16.3
[INFO] [stderr]   Downloaded fltk-sys v0.16.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d766f7e8c6222b23f84350c25bcf5ad3e09416aff24e66f5b565c532c30afd52
[INFO] running `Command { std: "docker" "start" "-a" "d766f7e8c6222b23f84350c25bcf5ad3e09416aff24e66f5b565c532c30afd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d766f7e8c6222b23f84350c25bcf5ad3e09416aff24e66f5b565c532c30afd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d766f7e8c6222b23f84350c25bcf5ad3e09416aff24e66f5b565c532c30afd52", kill_on_drop: false }`
[INFO] [stdout] d766f7e8c6222b23f84350c25bcf5ad3e09416aff24e66f5b565c532c30afd52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8050cb3e104731a10d76d2aaaa246fc9dcc59f3560a0d4467da560800c3528a1
[INFO] running `Command { std: "docker" "start" "-a" "8050cb3e104731a10d76d2aaaa246fc9dcc59f3560a0d4467da560800c3528a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling fltk-sys v0.16.3
[INFO] [stderr]    Compiling fltk-derive v0.16.3
[INFO] [stderr] error: could not compile `fltk-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name fltk_derive --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/fltk-derive-0.16.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=3de56c13f7937019 -C extra-filename=-3de56c13f7937019 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-67a3438c044643cf.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-cc5fea00e080c560.rlib --extern proc_macro --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" "8050cb3e104731a10d76d2aaaa246fc9dcc59f3560a0d4467da560800c3528a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8050cb3e104731a10d76d2aaaa246fc9dcc59f3560a0d4467da560800c3528a1", kill_on_drop: false }`
[INFO] [stdout] 8050cb3e104731a10d76d2aaaa246fc9dcc59f3560a0d4467da560800c3528a1