[INFO] fetching crate my-bfgs 0.1.2...
[INFO] testing my-bfgs-0.1.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate my-bfgs 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate my-bfgs 0.1.2
[INFO] finished tweaking crates.io crate my-bfgs 0.1.2
[INFO] tweaked toml for crates.io crate my-bfgs 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate my-bfgs 0.1.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to highest compatible versions
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.17.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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 spectral v0.6.0
[INFO] [stderr]   Downloaded num-complex v0.1.44
[INFO] [stderr]   Downloaded num-bigint v0.1.45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a
[INFO] running `Command { std: "docker" "start" "5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a", 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" "5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a", 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" "5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.11
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling my-bfgs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::f64::INFINITY`: replaced by the `INFINITY` associated constant on `f64`
[INFO] [stdout]   --> src/lib.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::f64::INFINITY;
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::INFINITY`: replaced by the `INFINITY` associated constant on `f64`
[INFO] [stdout]   --> src/lib.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut best_val_f = INFINITY;
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a", 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" "5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.46
[INFO] [stdout] warning: use of deprecated constant `std::f64::INFINITY`: replaced by the `INFINITY` associated constant on `f64`
[INFO] [stdout]   --> src/lib.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::f64::INFINITY;
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::INFINITY`: replaced by the `INFINITY` associated constant on `f64`
[INFO] [stdout]   --> src/lib.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut best_val_f = INFINITY;
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num v0.1.43
[INFO] [stderr]    Compiling spectral v0.6.0
[INFO] [stderr]    Compiling my-bfgs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]  --> src/benchmark.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[bench]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::INFINITY`: replaced by the `INFINITY` associated constant on `f64`
[INFO] [stdout]   --> src/lib.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::f64::INFINITY;
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::INFINITY`: replaced by the `INFINITY` associated constant on `f64`
[INFO] [stdout]   --> src/lib.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut best_val_f = INFINITY;
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]  --> src/benchmark.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]  --> src/benchmark.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use test::Bencher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]  --> src/benchmark.rs:9:39
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn test_x_fourth_p_1000(bencher: &mut Bencher) {
[INFO] [stdout]   |                                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]   --> src/benchmark.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bencher.iter(|| {
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my-bfgs` (lib test) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a", kill_on_drop: false }`
[INFO] [stdout] 5112a452d6df871f24b1f47f3b0ce64f5088123e8d8667b4c9feb0a30f33728a
