[INFO] fetching crate grb-sys2 10.1.1...
[INFO] checking grb-sys2-10.1.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate grb-sys2 10.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate grb-sys2 10.1.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grb-sys2 10.1.1
[INFO] finished tweaking crates.io crate grb-sys2 10.1.1
[INFO] tweaked toml for crates.io crate grb-sys2 10.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9f9a804ed3325cd8ef4fcc77edfee381bd9f1389b983e5697e5011c5a07b5bd
[INFO] running `Command { std: "docker" "start" "-a" "b9f9a804ed3325cd8ef4fcc77edfee381bd9f1389b983e5697e5011c5a07b5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9f9a804ed3325cd8ef4fcc77edfee381bd9f1389b983e5697e5011c5a07b5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f9a804ed3325cd8ef4fcc77edfee381bd9f1389b983e5697e5011c5a07b5bd", kill_on_drop: false }`
[INFO] [stdout] b9f9a804ed3325cd8ef4fcc77edfee381bd9f1389b983e5697e5011c5a07b5bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46c0aab934fbe18b2982bb28b653ec6c9e5a62a5e4483999a1c3d0ebee6ce67e
[INFO] running `Command { std: "docker" "start" "-a" "46c0aab934fbe18b2982bb28b653ec6c9e5a62a5e4483999a1c3d0ebee6ce67e", kill_on_drop: false }`
[INFO] [stderr]    Compiling grb-sys2 v10.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: grb-sys2@10.1.1: unable to retrieve value of GUROBI_HOME: environment variable not found
[INFO] [stderr] warning: grb-sys2@10.1.1: Error: Unable to infer Gurobi libname, set the environment variable GUROBI_LIBNAME=...
[INFO] [stderr] error: failed to run custom build command for `grb-sys2 v10.1.1 (/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/grb-sys2-1cc1f65ee93e373c/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GUROBI_HOME
[INFO] [stderr]   cargo:rerun-if-env-changed=GUROBI_LIBNAME
[INFO] [stderr]   cargo:rerun-if-env-changed=DOCS_RS
[INFO] [stderr]   cargo:warning=unable to retrieve value of GUROBI_HOME: environment variable not found
[INFO] [stderr]   cargo:warning=Error: Unable to infer Gurobi libname, set the environment variable GUROBI_LIBNAME=...
[INFO] running `Command { std: "docker" "inspect" "46c0aab934fbe18b2982bb28b653ec6c9e5a62a5e4483999a1c3d0ebee6ce67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c0aab934fbe18b2982bb28b653ec6c9e5a62a5e4483999a1c3d0ebee6ce67e", kill_on_drop: false }`
[INFO] [stdout] 46c0aab934fbe18b2982bb28b653ec6c9e5a62a5e4483999a1c3d0ebee6ce67e