[INFO] cloning repository https://github.com/Muhammad-Sarfaraz/RustVSTPlugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Muhammad-Sarfaraz/RustVSTPlugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammad-Sarfaraz%2FRustVSTPlugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammad-Sarfaraz%2FRustVSTPlugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 328f9b9ade4ec29b5ccc6d70e5a41156d3d95490
[INFO] checking Muhammad-Sarfaraz/RustVSTPlugin against master#f9515fdd5aa132e27d9b580a35b27f4b453251c1 for pr-125923
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammad-Sarfaraz%2FRustVSTPlugin" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Muhammad-Sarfaraz/RustVSTPlugin on toolchain f9515fdd5aa132e27d9b580a35b27f4b453251c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Muhammad-Sarfaraz/RustVSTPlugin
[INFO] finished tweaking git repo https://github.com/Muhammad-Sarfaraz/RustVSTPlugin
[INFO] tweaked toml for git repo https://github.com/Muhammad-Sarfaraz/RustVSTPlugin written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Muhammad-Sarfaraz/RustVSTPlugin 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" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vst2 v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3ccd97daf0cfd165e53a89ec439b212db0118e308673d3a638f12892a06fb3b
[INFO] running `Command { std: "docker" "start" "-a" "a3ccd97daf0cfd165e53a89ec439b212db0118e308673d3a638f12892a06fb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3ccd97daf0cfd165e53a89ec439b212db0118e308673d3a638f12892a06fb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ccd97daf0cfd165e53a89ec439b212db0118e308673d3a638f12892a06fb3b", kill_on_drop: false }`
[INFO] [stdout] a3ccd97daf0cfd165e53a89ec439b212db0118e308673d3a638f12892a06fb3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53c868b2b407ea6d4942d0d807fc8ce441b87a0b5d2280c87e798766e79d9ad2
[INFO] running `Command { std: "docker" "start" "-a" "53c868b2b407ea6d4942d0d807fc8ce441b87a0b5d2280c87e798766e79d9ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr] error: could not compile `target_build_utils` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/f9515fdd5aa132e27d9b580a35b27f4b453251c1/bin/rustc --crate-name target_build_utils --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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 --cfg 'feature="default"' --cfg 'feature="serde_json"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("default", "serde_json"))' -C metadata=084c1871d64f8d14 -C extra-filename=-084c1871d64f8d14 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern phf=/opt/rustwide/target/debug/deps/libphf-f7295f234721f0af.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-ec02a7c880c80f42.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "53c868b2b407ea6d4942d0d807fc8ce441b87a0b5d2280c87e798766e79d9ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c868b2b407ea6d4942d0d807fc8ce441b87a0b5d2280c87e798766e79d9ad2", kill_on_drop: false }`
[INFO] [stdout] 53c868b2b407ea6d4942d0d807fc8ce441b87a0b5d2280c87e798766e79d9ad2