[INFO] fetching crate libknox 0.4.0...
[INFO] testing libknox-0.4.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate libknox 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libknox 0.4.0
[INFO] finished tweaking crates.io crate libknox 0.4.0
[INFO] tweaked toml for crates.io crate libknox 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libknox 0.4.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libknox 0.4.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused build dependency `protoc-rust`
[INFO] [stderr]  --> Cargo.toml:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | [build-dependencies.protoc-rust]
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `protoc-rust`
[INFO] [stderr] warning: `libknox` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b4e061af51d6a9dbfa9d69aca8dc0101b3df9ad0113a430db3cd5289637d51f0
[INFO] running `Command { std: "docker" "start" "b4e061af51d6a9dbfa9d69aca8dc0101b3df9ad0113a430db3cd5289637d51f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4e061af51d6a9dbfa9d69aca8dc0101b3df9ad0113a430db3cd5289637d51f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4e061af51d6a9dbfa9d69aca8dc0101b3df9ad0113a430db3cd5289637d51f0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4e061af51d6a9dbfa9d69aca8dc0101b3df9ad0113a430db3cd5289637d51f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4e061af51d6a9dbfa9d69aca8dc0101b3df9ad0113a430db3cd5289637d51f0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused build dependency `protoc-rust`
[INFO] [stderr]  --> Cargo.toml:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | [build-dependencies.protoc-rust]
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `protoc-rust`
[INFO] [stderr] warning: `libknox` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling libgpg-error-sys v0.5.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling byte-tools v0.1.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling gpg-error v0.5.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling gpgme-sys v0.9.1
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling generic-array v0.7.3
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling digest v0.5.2
[INFO] [stderr]    Compiling digest-buffer v0.3.1
[INFO] [stderr]    Compiling crypto-mac v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.3.4
[INFO] [stderr]    Compiling sha2 v0.5.3
[INFO] [stderr]    Compiling hmac v0.1.1
[INFO] [stderr]    Compiling cstr-argument v0.1.1
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling oath v0.10.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr] error: failed to run custom build command for `libgpg-error-sys v0.5.1`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/release/build/libgpg-error-sys/9a3639f4b2fdb623/out/build_script_build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   scanning file: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libgpg-error-sys-0.5.1/err-sources.h.in
[INFO] [stderr]   scanning file: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libgpg-error-sys-0.5.1/err-codes.h.in
[INFO] [stderr]   scanning file: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libgpg-error-sys-0.5.1/errnos.in
[INFO] [stderr]   cargo:generated=/opt/rustwide/target/release/build/libgpg-error-sys/e4fa72b5e536159f/out
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBGPG_ERROR_PREFIX
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBGPG_ERROR_INCLUDE
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBGPG_ERROR_LIB_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBGPG_ERROR_LIBS
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBGPG_ERROR_CONFIG
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   running: "sh" "-c" "gpg-error-config --version"
[INFO] [stderr]   sh: 1: gpg-error-config: not found
[INFO] [stderr]   command did not execute successfully, got: exit status: 127
[INFO] [stderr]   Error: ()
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b4e061af51d6a9dbfa9d69aca8dc0101b3df9ad0113a430db3cd5289637d51f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e061af51d6a9dbfa9d69aca8dc0101b3df9ad0113a430db3cd5289637d51f0", kill_on_drop: false }`
[INFO] [stdout] b4e061af51d6a9dbfa9d69aca8dc0101b3df9ad0113a430db3cd5289637d51f0
