[INFO] cloning repository https://github.com/ftilde/ugdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftilde/ugdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fugdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fugdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 891106a1ba54a68faaf084ec63b94674256c62c0
[INFO] testing ftilde/ugdb against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fugdb" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ftilde/ugdb
[INFO] finished tweaking git repo https://github.com/ftilde/ugdb
[INFO] tweaked toml for git repo https://github.com/ftilde/ugdb written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ftilde/ugdb on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ftilde/ugdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84c2ee2cdcae54c100c40c678f48fe2513c3777ff28195941a3b637ed3afa1b8
[INFO] running `Command { std: "docker" "start" "-a" "84c2ee2cdcae54c100c40c678f48fe2513c3777ff28195941a3b637ed3afa1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84c2ee2cdcae54c100c40c678f48fe2513c3777ff28195941a3b637ed3afa1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c2ee2cdcae54c100c40c678f48fe2513c3777ff28195941a3b637ed3afa1b8", kill_on_drop: false }`
[INFO] [stdout] 84c2ee2cdcae54c100c40c678f48fe2513c3777ff28195941a3b637ed3afa1b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00b6aa6b27836440b5fe820edcd0b52a52a8ce32a3db8684dd614a3b6f3d2344
[INFO] running `Command { std: "docker" "start" "-a" "00b6aa6b27836440b5fe820edcd0b52a52a8ce32a3db8684dd614a3b6f3d2344", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling str_indices v0.4.4
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling ropey v1.6.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr] error: could not compile `nix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/33835004928d3bf65db4d4712e1330766263b0bd/bin/rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.3/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="acct"' --cfg 'feature="aio"' --cfg 'feature="default"' --cfg 'feature="dir"' --cfg 'feature="env"' --cfg 'feature="event"' --cfg 'feature="feature"' --cfg 'feature="fs"' --cfg 'feature="hostname"' --cfg 'feature="inotify"' --cfg 'feature="ioctl"' --cfg 'feature="kmod"' --cfg 'feature="memoffset"' --cfg 'feature="mman"' --cfg 'feature="mount"' --cfg 'feature="mqueue"' --cfg 'feature="net"' --cfg 'feature="personality"' --cfg 'feature="poll"' --cfg 'feature="process"' --cfg 'feature="pthread"' --cfg 'feature="ptrace"' --cfg 'feature="quota"' --cfg 'feature="reboot"' --cfg 'feature="resource"' --cfg 'feature="sched"' --cfg 'feature="signal"' --cfg 'feature="socket"' --cfg 'feature="term"' --cfg 'feature="time"' --cfg 'feature="ucontext"' --cfg 'feature="uio"' --cfg 'feature="user"' --cfg 'feature="zerocopy"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("acct", "aio", "default", "dir", "env", "event", "feature", "fs", "hostname", "inotify", "ioctl", "kmod", "memoffset", "mman", "mount", "mqueue", "net", "personality", "poll", "process", "pthread", "ptrace", "quota", "reboot", "resource", "sched", "signal", "socket", "term", "time", "ucontext", "uio", "user", "zerocopy"))' -C metadata=346ab8ea9837652b -C extra-filename=-16286e991afe1263 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-40a27ceec947d12f.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-8c8419bc1cff3c76.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-164876cf61211b4d.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-ffce87641ab1ef6a.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/33835004928d3bf65db4d4712e1330766263b0bd/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.5/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"' --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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=143efe1d9f0da740 -C extra-filename=-3727c38b46230be4 --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] running `Command { std: "docker" "inspect" "00b6aa6b27836440b5fe820edcd0b52a52a8ce32a3db8684dd614a3b6f3d2344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b6aa6b27836440b5fe820edcd0b52a52a8ce32a3db8684dd614a3b6f3d2344", kill_on_drop: false }`
[INFO] [stdout] 00b6aa6b27836440b5fe820edcd0b52a52a8ce32a3db8684dd614a3b6f3d2344