[INFO] fetching crate nlopt 0.6.0... [INFO] checking nlopt-0.6.0 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate nlopt 0.6.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate nlopt 0.6.0 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nlopt 0.6.0 [INFO] finished tweaking crates.io crate nlopt 0.6.0 [INFO] tweaked toml for crates.io crate nlopt 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate nlopt 0.6.0 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" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8bd673150f0eeb4a5e3ccfbd0591050bea15dbd93e2a5890aaf2a1ab54922464 [INFO] running `Command { std: "docker" "start" "-a" "8bd673150f0eeb4a5e3ccfbd0591050bea15dbd93e2a5890aaf2a1ab54922464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8bd673150f0eeb4a5e3ccfbd0591050bea15dbd93e2a5890aaf2a1ab54922464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bd673150f0eeb4a5e3ccfbd0591050bea15dbd93e2a5890aaf2a1ab54922464", kill_on_drop: false }` [INFO] [stdout] 8bd673150f0eeb4a5e3ccfbd0591050bea15dbd93e2a5890aaf2a1ab54922464 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa39c1b40458687e8308942744815c4d560a1c9eec1420e43aeafceb09edf3db [INFO] running `Command { std: "docker" "start" "-a" "fa39c1b40458687e8308942744815c4d560a1c9eec1420e43aeafceb09edf3db", kill_on_drop: false }` [INFO] [stderr] Compiling cmake v0.1.48 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stderr] Compiling nlopt v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0499]: cannot borrow `opt` as mutable more than once at a time [INFO] [stdout] --> src/lib.rs:1011:9 [INFO] [stdout] | [INFO] [stdout] 1009 | let mut local_opt = opt.get_local_optimizer(Algorithm::Cobyla); [INFO] [stdout] | --- first mutable borrow occurs here [INFO] [stdout] 1010 | local_opt.set_xtol_rel(1e-6).unwrap(); [INFO] [stdout] 1011 | opt.set_local_optimizer(local_opt).unwrap(); [INFO] [stdout] | ^^^ --------- first borrow later used here [INFO] [stdout] | | [INFO] [stdout] | second mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0499]: cannot borrow `opt` as mutable more than once at a time [INFO] [stdout] --> src/lib.rs:1068:9 [INFO] [stdout] | [INFO] [stdout] 1066 | let mut local_opt = opt.get_local_optimizer(Algorithm::Bobyqa); [INFO] [stdout] | --- first mutable borrow occurs here [INFO] [stdout] 1067 | local_opt.set_xtol_rel(1e-6).unwrap(); [INFO] [stdout] 1068 | opt.set_local_optimizer(local_opt).unwrap(); [INFO] [stdout] | ^^^ --------- first borrow later used here [INFO] [stdout] | | [INFO] [stdout] | second mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0499`. [INFO] [stdout] [INFO] [stderr] error: could not compile `nlopt` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "fa39c1b40458687e8308942744815c4d560a1c9eec1420e43aeafceb09edf3db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa39c1b40458687e8308942744815c4d560a1c9eec1420e43aeafceb09edf3db", kill_on_drop: false }` [INFO] [stdout] fa39c1b40458687e8308942744815c4d560a1c9eec1420e43aeafceb09edf3db