[INFO] cloning repository https://github.com/vilfa/mdbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vilfa/mdbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvilfa%2Fmdbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvilfa%2Fmdbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d634df89332d637e289b8a82c492ae1796a5d000
[INFO] checking vilfa/mdbrot against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvilfa%2Fmdbrot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vilfa/mdbrot on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vilfa/mdbrot
[INFO] finished tweaking git repo https://github.com/vilfa/mdbrot
[INFO] tweaked toml for git repo https://github.com/vilfa/mdbrot written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vilfa/mdbrot 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ocl-core-vector v0.1.0
[INFO] [stderr]   Downloaded qutex v0.2.3
[INFO] [stderr]   Downloaded cl-sys v0.4.2
[INFO] [stderr]   Downloaded ocl v0.19.3
[INFO] [stderr]   Downloaded ocl-core v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14a6c898dc6fb7459d252d5abcfcb919250b18d853562d0e30845c4fb7994981
[INFO] running `Command { std: "docker" "start" "-a" "14a6c898dc6fb7459d252d5abcfcb919250b18d853562d0e30845c4fb7994981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14a6c898dc6fb7459d252d5abcfcb919250b18d853562d0e30845c4fb7994981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a6c898dc6fb7459d252d5abcfcb919250b18d853562d0e30845c4fb7994981", kill_on_drop: false }`
[INFO] [stdout] 14a6c898dc6fb7459d252d5abcfcb919250b18d853562d0e30845c4fb7994981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61905624130e53150d2ad68344b50e08a3be88fc9beb131cfbfbfc02ba847761
[INFO] running `Command { std: "docker" "start" "-a" "61905624130e53150d2ad68344b50e08a3be88fc9beb131cfbfbfc02ba847761", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling ocl-core v0.11.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking qutex v0.2.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ocl v0.19.3
[INFO] [stderr]     Checking mdbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "61905624130e53150d2ad68344b50e08a3be88fc9beb131cfbfbfc02ba847761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61905624130e53150d2ad68344b50e08a3be88fc9beb131cfbfbfc02ba847761", kill_on_drop: false }`
[INFO] [stdout] 61905624130e53150d2ad68344b50e08a3be88fc9beb131cfbfbfc02ba847761