[INFO] fetching crate arrayfire_fork 3.8.1...
[INFO] checking arrayfire_fork-3.8.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate arrayfire_fork 3.8.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate arrayfire_fork 3.8.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arrayfire_fork 3.8.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arrayfire_fork 3.8.1
[INFO] tweaked toml for crates.io crate arrayfire_fork 3.8.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate arrayfire_fork 3.8.1 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.32
[INFO] [stderr]   Downloaded thiserror v1.0.44
[INFO] [stderr]   Downloaded thiserror-impl v1.0.44
[INFO] [stderr]   Downloaded num-iter v0.1.43
[INFO] [stderr]   Downloaded mnist v0.5.0
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded half v2.3.1
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded pest v2.7.2
[INFO] [stderr]   Downloaded serde_derive v1.0.183
[INFO] [stderr]   Downloaded serde_json v1.0.104
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] [stderr]   Downloaded pbr v1.1.1
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded num-rational v0.4.1
[INFO] [stderr]   Downloaded num-traits v0.2.16
[INFO] [stderr]   Downloaded serde v1.0.183
[INFO] [stderr]   Downloaded libz-sys v1.1.12
[INFO] [stderr]   Downloaded curl-sys v0.4.65+curl-8.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9fa62a43c84c8e0b3933f0b8c784c931d121fbcf3a13b3d89ae859b64d0ca3b
[INFO] running `Command { std: "docker" "start" "-a" "d9fa62a43c84c8e0b3933f0b8c784c931d121fbcf3a13b3d89ae859b64d0ca3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9fa62a43c84c8e0b3933f0b8c784c931d121fbcf3a13b3d89ae859b64d0ca3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9fa62a43c84c8e0b3933f0b8c784c931d121fbcf3a13b3d89ae859b64d0ca3b", kill_on_drop: false }`
[INFO] [stdout] d9fa62a43c84c8e0b3933f0b8c784c931d121fbcf3a13b3d89ae859b64d0ca3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f95728c895caae6dd04e00cafbc434cb719af961d29698d624be30c39b615d8c
[INFO] running `Command { std: "docker" "start" "-a" "f95728c895caae6dd04e00cafbc434cb719af961d29698d624be30c39b615d8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking pbr v1.1.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.91
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling curl-sys v0.4.65+curl-8.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking mnist v0.5.0
[INFO] [stderr]    Compiling pest v2.7.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling arrayfire_fork v3.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `arrayfire_fork v3.8.1 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_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/debug/build/arrayfire_fork-62e69518f313ea7e/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=AF_PATH
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   WARNING: USE_LIB is defined, but AF_PATH is not found. Trying to find libraries from known default locations.
[INFO] [stderr]   ERROR: no arrayfire backends found
[INFO] running `Command { std: "docker" "inspect" "f95728c895caae6dd04e00cafbc434cb719af961d29698d624be30c39b615d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95728c895caae6dd04e00cafbc434cb719af961d29698d624be30c39b615d8c", kill_on_drop: false }`
[INFO] [stdout] f95728c895caae6dd04e00cafbc434cb719af961d29698d624be30c39b615d8c