[INFO] fetching crate nalgebra-lapack 0.20.0...
[INFO] checking nalgebra-lapack-0.20.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate nalgebra-lapack 0.20.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate nalgebra-lapack 0.20.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nalgebra-lapack 0.20.0
[INFO] finished tweaking crates.io crate nalgebra-lapack 0.20.0
[INFO] tweaked toml for crates.io crate nalgebra-lapack 0.20.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 581c2dc0af8d3bea029b53bb630ffcf119896eae288e09231d361f134784ff50
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "581c2dc0af8d3bea029b53bb630ffcf119896eae288e09231d361f134784ff50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "581c2dc0af8d3bea029b53bb630ffcf119896eae288e09231d361f134784ff50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581c2dc0af8d3bea029b53bb630ffcf119896eae288e09231d361f134784ff50", kill_on_drop: false }`
[INFO] [stdout] 581c2dc0af8d3bea029b53bb630ffcf119896eae288e09231d361f134784ff50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fac618c9d074ce11ede75429df0371806dbbdb75f6fe959fae52923e99d5e50e
[INFO] running `Command { std: "docker" "start" "-a" "fac618c9d074ce11ede75429df0371806dbbdb75f6fe959fae52923e99d5e50e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling netlib-src v0.8.0
[INFO] [stderr]     Checking lapack-sys v0.14.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wide v0.7.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking rand_distr v0.4.2
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]     Checking lapack v0.19.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking lapack-src v0.8.0
[INFO] [stderr]     Checking nalgebra-lapack v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read tests/../../tests/proptest/mod.rs: No such file or directory (os error 2)
[INFO] [stdout]   --> tests/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod proptest;
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nalgebra-lapack` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]  --> benches/linalg/hessenberg.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     bh.iter(|| std::hint::black_box(Hessenberg::new(m.clone())))
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/hessenberg.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bh.iter(|| std::hint::black_box(Hessenberg::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/hessenberg.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     bh.iter(|| std::hint::black_box(Hessenberg::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]  --> benches/linalg/lu.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     bh.iter(|| std::hint::black_box(LU::new(m.clone())))
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/lu.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bh.iter(|| std::hint::black_box(LU::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/lu.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     bh.iter(|| std::hint::black_box(LU::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/lu.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     bh.iter(|| std::hint::black_box(LU::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/lu.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     bh.iter(|| std::hint::black_box(LU::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]  --> benches/linalg/qr.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     bh.iter(|| std::hint::black_box(QR::new(m.clone())))
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/qr.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bh.iter(|| std::hint::black_box(QR::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/qr.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     bh.iter(|| std::hint::black_box(QR::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/qr.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     bh.iter(|| std::hint::black_box(QR::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box'
[INFO] [stdout]   --> benches/linalg/qr.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     bh.iter(|| std::hint::black_box(QR::new(m.clone())))
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #64102 <https://github.com/rust-lang/rust/issues/64102> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fac618c9d074ce11ede75429df0371806dbbdb75f6fe959fae52923e99d5e50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac618c9d074ce11ede75429df0371806dbbdb75f6fe959fae52923e99d5e50e", kill_on_drop: false }`
[INFO] [stdout] fac618c9d074ce11ede75429df0371806dbbdb75f6fe959fae52923e99d5e50e
