[INFO] fetching crate levenberg-marquardt 0.10.0...
[INFO] building levenberg-marquardt-0.10.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate levenberg-marquardt 0.10.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate levenberg-marquardt 0.10.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate levenberg-marquardt 0.10.0
[INFO] finished tweaking crates.io crate levenberg-marquardt 0.10.0
[INFO] tweaked toml for crates.io crate levenberg-marquardt 0.10.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pcg_rand v0.13.0
[INFO] [stderr]   Downloaded sample-consensus v1.0.2
[INFO] [stderr]   Downloaded arrsac v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9b681b3880b73163f335cffc137bf023c57a3e8fa785c1f86fd8f7d09109bd8
[INFO] running `Command { std: "docker" "start" "-a" "b9b681b3880b73163f335cffc137bf023c57a3e8fa785c1f86fd8f7d09109bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9b681b3880b73163f335cffc137bf023c57a3e8fa785c1f86fd8f7d09109bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b681b3880b73163f335cffc137bf023c57a3e8fa785c1f86fd8f7d09109bd8", kill_on_drop: false }`
[INFO] [stdout] b9b681b3880b73163f335cffc137bf023c57a3e8fa785c1f86fd8f7d09109bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b77d6c43cf98ce54ec37f0aebc6bf90246d34f38cc39824832eb9317ec64913
[INFO] running `Command { std: "docker" "start" "-a" "5b77d6c43cf98ce54ec37f0aebc6bf90246d34f38cc39824832eb9317ec64913", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling nalgebra v0.28.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling levenberg-marquardt v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.77s
[INFO] running `Command { std: "docker" "inspect" "5b77d6c43cf98ce54ec37f0aebc6bf90246d34f38cc39824832eb9317ec64913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b77d6c43cf98ce54ec37f0aebc6bf90246d34f38cc39824832eb9317ec64913", kill_on_drop: false }`
[INFO] [stdout] 5b77d6c43cf98ce54ec37f0aebc6bf90246d34f38cc39824832eb9317ec64913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 007748bc736144d7fe2619774aa9b32937b6e99bea56f6305bd656c09b443f1a
[INFO] running `Command { std: "docker" "start" "-a" "007748bc736144d7fe2619774aa9b32937b6e99bea56f6305bd656c09b443f1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling sample-consensus v1.0.2
[INFO] [stderr]    Compiling levenberg-marquardt v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling arrsac v0.7.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling pcg_rand v0.13.0
[INFO] [stdout] warning: unused variable: `problem`
[INFO] [stdout]    --> src/lm/test_examples_gen.rs:744:14
[INFO] [stdout]     |
[INFO] [stdout] 744 |         let (problem, report) = LevenbergMarquardt::new()
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_problem`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.34s
[INFO] running `Command { std: "docker" "inspect" "007748bc736144d7fe2619774aa9b32937b6e99bea56f6305bd656c09b443f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007748bc736144d7fe2619774aa9b32937b6e99bea56f6305bd656c09b443f1a", kill_on_drop: false }`
[INFO] [stdout] 007748bc736144d7fe2619774aa9b32937b6e99bea56f6305bd656c09b443f1a