[INFO] cloning repository https://github.com/verlab/T-COPS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/verlab/T-COPS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverlab%2FT-COPS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverlab%2FT-COPS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3693fc61a684b2c4800b56be0b5e6230c928144
[INFO] documenting verlab/T-COPS against 1.99.0-beta.1 for beta-rustdoc-1.99-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverlab%2FT-COPS" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/verlab/T-COPS
[INFO] finished tweaking git repo https://github.com/verlab/T-COPS
[INFO] tweaked toml for git repo https://github.com/verlab/T-COPS written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/verlab/T-COPS on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/verlab/T-COPS 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip-extract v0.1.3
[INFO] [stderr]   Downloaded quote v1.0.43
[INFO] [stderr]   Downloaded grb-sys2 v12.1.2
[INFO] [stderr]   Downloaded cstr-enum-derive v0.1.0
[INFO] [stderr]   Downloaded cstr-enum v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.105
[INFO] [stderr]   Downloaded lp-solvers v1.2.0
[INFO] [stderr]   Downloaded zmij v1.0.17
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded grb-macro v0.1.0
[INFO] [stderr]   Downloaded good_lp v1.15.2
[INFO] [stderr]   Downloaded grb v3.0.1
[INFO] [stderr]   Downloaded cc v1.2.63
[INFO] [stderr]   Downloaded russcip v0.9.1
[INFO] [stderr]   Downloaded scip-sys v0.1.26
[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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3210de19cb9e7a5aa1e9f52f34bc2181f784683a9650afd4bcf0fd3823846d58
[INFO] running `Command { std: "docker" "start" "3210de19cb9e7a5aa1e9f52f34bc2181f784683a9650afd4bcf0fd3823846d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3210de19cb9e7a5aa1e9f52f34bc2181f784683a9650afd4bcf0fd3823846d58", 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" "3210de19cb9e7a5aa1e9f52f34bc2181f784683a9650afd4bcf0fd3823846d58" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3210de19cb9e7a5aa1e9f52f34bc2181f784683a9650afd4bcf0fd3823846d58", 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" "3210de19cb9e7a5aa1e9f52f34bc2181f784683a9650afd4bcf0fd3823846d58" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]    Compiling grb-sys2 v12.1.2
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr] warning: grb-sys2@12.1.2: unable to retrieve value of GUROBI_HOME: environment variable not found
[INFO] [stderr] warning: grb-sys2@12.1.2: Error: Unable to infer Gurobi libname, set the environment variable GUROBI_LIBNAME=...
[INFO] [stderr] error: failed to run custom build command for `grb-sys2 v12.1.2`
[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-sys2-9a115bdc908112b9/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: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" "3210de19cb9e7a5aa1e9f52f34bc2181f784683a9650afd4bcf0fd3823846d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3210de19cb9e7a5aa1e9f52f34bc2181f784683a9650afd4bcf0fd3823846d58", kill_on_drop: false }`
[INFO] [stdout] 3210de19cb9e7a5aa1e9f52f34bc2181f784683a9650afd4bcf0fd3823846d58
