[INFO] fetching crate grb 2.0.3...
[INFO] checking grb-2.0.3 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate grb 2.0.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate grb 2.0.3 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grb 2.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate grb 2.0.3
[INFO] tweaked toml for crates.io crate grb 2.0.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate grb 2.0.3 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grb-sys2 v10.1.1
[INFO] [stderr]   Downloaded gag v0.1.10
[INFO] [stderr]   Downloaded cstr-enum-derive v0.1.0
[INFO] [stderr]   Downloaded cstr-enum v1.0.0
[INFO] [stderr]   Downloaded grb-macro v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 930a31e8d881288da2b15c0b45de293f6b2f1623a0a95e676571827c3e735c82
[INFO] running `Command { std: "docker" "start" "-a" "930a31e8d881288da2b15c0b45de293f6b2f1623a0a95e676571827c3e735c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "930a31e8d881288da2b15c0b45de293f6b2f1623a0a95e676571827c3e735c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930a31e8d881288da2b15c0b45de293f6b2f1623a0a95e676571827c3e735c82", kill_on_drop: false }`
[INFO] [stdout] 930a31e8d881288da2b15c0b45de293f6b2f1623a0a95e676571827c3e735c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0df82f97ceabb9b84b54653cdeb8c82c91dedc25cdd069cf0d18f5dd83c6a83
[INFO] running `Command { std: "docker" "start" "-a" "d0df82f97ceabb9b84b54653cdeb8c82c91dedc25cdd069cf0d18f5dd83c6a83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling anyhow v1.0.87
[INFO] [stderr]    Compiling rustix v0.38.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling trybuild v1.0.99
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling grb-sys2 v10.1.1
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[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] 
[INFO] [stderr] error: failed to run custom build command for `grb-sys2 v10.1.1`
[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-sys2-51b8496f17de677d/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d0df82f97ceabb9b84b54653cdeb8c82c91dedc25cdd069cf0d18f5dd83c6a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0df82f97ceabb9b84b54653cdeb8c82c91dedc25cdd069cf0d18f5dd83c6a83", kill_on_drop: false }`
[INFO] [stdout] d0df82f97ceabb9b84b54653cdeb8c82c91dedc25cdd069cf0d18f5dd83c6a83