[INFO] fetching crate quadprogpp-sys 0.1.1...
[INFO] checking quadprogpp-sys-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate quadprogpp-sys 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate quadprogpp-sys 0.1.1
[INFO] finished tweaking crates.io crate quadprogpp-sys 0.1.1
[INFO] tweaked toml for crates.io crate quadprogpp-sys 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quadprogpp-sys 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--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]      Locking 42 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4b368673c0944fcd61e53c71173336c5de339de501e98a7fdee1883461fde82
[INFO] running `Command { std: "docker" "start" "-a" "a4b368673c0944fcd61e53c71173336c5de339de501e98a7fdee1883461fde82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4b368673c0944fcd61e53c71173336c5de339de501e98a7fdee1883461fde82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b368673c0944fcd61e53c71173336c5de339de501e98a7fdee1883461fde82", kill_on_drop: false }`
[INFO] [stdout] a4b368673c0944fcd61e53c71173336c5de339de501e98a7fdee1883461fde82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 069954ba6adf3e9df16a645668703f2b47c9c67b3d63142de3d197e95d1811cf
[INFO] running `Command { std: "docker" "start" "-a" "069954ba6adf3e9df16a645668703f2b47c9c67b3d63142de3d197e95d1811cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling scratch v1.0.8
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.160
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling link-cplusplus v1.0.10
[INFO] [stderr]    Compiling cxx v1.0.160
[INFO] [stderr]    Compiling cxx-build v1.0.160
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.160
[INFO] [stderr]    Compiling quadprogpp-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]  --> build.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     if cfg!(features = "trace-solver") {
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]   |
[INFO] [stdout] 9 -     if cfg!(features = "trace-solver") {
[INFO] [stdout] 9 +     if cfg!(feature = "trace-solver") {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.70s
[INFO] running `Command { std: "docker" "inspect" "069954ba6adf3e9df16a645668703f2b47c9c67b3d63142de3d197e95d1811cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069954ba6adf3e9df16a645668703f2b47c9c67b3d63142de3d197e95d1811cf", kill_on_drop: false }`
[INFO] [stdout] 069954ba6adf3e9df16a645668703f2b47c9c67b3d63142de3d197e95d1811cf