[INFO] cloning repository https://github.com/RobertWHurst/Delta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RobertWHurst/Delta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertWHurst%2FDelta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertWHurst%2FDelta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b64c3d559c8ba6aa43cd4e9573c009304624c530
[INFO] checking RobertWHurst/Delta against try#388b725dea7416978ab58ab1f908139d530308a7 for pr-99943
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertWHurst%2FDelta" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RobertWHurst/Delta on toolchain 388b725dea7416978ab58ab1f908139d530308a7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RobertWHurst/Delta
[INFO] finished tweaking git repo https://github.com/RobertWHurst/Delta
[INFO] tweaked toml for git repo https://github.com/RobertWHurst/Delta written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/RobertWHurst/Delta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46592d4374c389846d32c69d264c2dc0f2034b2be28898cc5f93cbda314bf96c
[INFO] running `Command { std: "docker" "start" "-a" "46592d4374c389846d32c69d264c2dc0f2034b2be28898cc5f93cbda314bf96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46592d4374c389846d32c69d264c2dc0f2034b2be28898cc5f93cbda314bf96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46592d4374c389846d32c69d264c2dc0f2034b2be28898cc5f93cbda314bf96c", kill_on_drop: false }`
[INFO] [stdout] 46592d4374c389846d32c69d264c2dc0f2034b2be28898cc5f93cbda314bf96c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6471f573829baffde7d4eec52dee066aa336b2582005106639acf1edfedfbfe1
[INFO] running `Command { std: "docker" "start" "-a" "6471f573829baffde7d4eec52dee066aa336b2582005106639acf1edfedfbfe1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling wayland-scanner v0.9.9
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.9
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking tempfile v2.1.6
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling gl v0.6.3
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking deflate v0.7.14
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr] error: could not compile `target_build_utils`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name target_build_utils /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/target_build_utils-0.3.1/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="serde_json"' -C metadata=d6b2b1c0528caf06 -C extra-filename=-d6b2b1c0528caf06 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern phf=/opt/rustwide/target/debug/deps/libphf-5a086649b28d0e41.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-aa75a1b1b1c21466.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6471f573829baffde7d4eec52dee066aa336b2582005106639acf1edfedfbfe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6471f573829baffde7d4eec52dee066aa336b2582005106639acf1edfedfbfe1", kill_on_drop: false }`
[INFO] [stdout] 6471f573829baffde7d4eec52dee066aa336b2582005106639acf1edfedfbfe1