[INFO] fetching crate lather 0.0.0...
[INFO] checking lather-0.0.0 against beta for pr-78714
[INFO] extracting crate lather 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lather 0.0.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lather 0.0.0
[INFO] finished tweaking crates.io crate lather 0.0.0
[INFO] tweaked toml for crates.io crate lather 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a5a830303fa5d6d8d56c8cb28c9eb073481468aa8213601f3ee4e97c806cf45
[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" "6a5a830303fa5d6d8d56c8cb28c9eb073481468aa8213601f3ee4e97c806cf45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a5a830303fa5d6d8d56c8cb28c9eb073481468aa8213601f3ee4e97c806cf45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5a830303fa5d6d8d56c8cb28c9eb073481468aa8213601f3ee4e97c806cf45", kill_on_drop: false }`
[INFO] [stdout] 6a5a830303fa5d6d8d56c8cb28c9eb073481468aa8213601f3ee4e97c806cf45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c89b4cf3c667131fa876f0874e15be39518d849d3fdf17084457e3d93e4391a7
[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" "c89b4cf3c667131fa876f0874e15be39518d849d3fdf17084457e3d93e4391a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling cpython v0.1.0
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking gnuplot v0.0.22
[INFO] [stderr]     Checking rust-ini v0.10.3
[INFO] [stderr]     Checking quadrature v0.1.2
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling GSL v0.4.31
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking rustfft v2.1.0
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling python3-sys v0.1.3
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `PyEval_ThreadsInitialized` in crate `ffi`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.1.0/src/pythonrun.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |             assert!(ffi::PyEval_ThreadsInitialized() != 0);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `ffi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `PyEval_ThreadsInitialized` in crate `ffi`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.1.0/src/pythonrun.rs:58:26
[INFO] [stdout]    |
[INFO] [stdout] 58 |             assert!(ffi::PyEval_ThreadsInitialized() == 0);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `ffi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `PyEval_InitThreads` in crate `ffi`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.1.0/src/pythonrun.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |             ffi::PyEval_InitThreads();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `PyEval_SaveThread`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/python3-sys-0.1.3/src/ceval.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn PyEval_SaveThread() -> *mut PyThreadState;
[INFO] [stdout]    |     ------------------------------------------------- similarly named function `PyEval_SaveThread` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `PyEval_InitThreads` in crate `ffi`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.1.0/src/lib.rs:333:10
[INFO] [stdout]     |
[INFO] [stdout] 333 |     ffi::PyEval_InitThreads();
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `PyEval_SaveThread`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/python3-sys-0.1.3/src/ceval.rs:49:5
[INFO] [stdout]     |
[INFO] [stdout] 49  |     pub fn PyEval_SaveThread() -> *mut PyThreadState;
[INFO] [stdout]     |     ------------------------------------------------- similarly named function `PyEval_SaveThread` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpython`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c89b4cf3c667131fa876f0874e15be39518d849d3fdf17084457e3d93e4391a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89b4cf3c667131fa876f0874e15be39518d849d3fdf17084457e3d93e4391a7", kill_on_drop: false }`
[INFO] [stdout] c89b4cf3c667131fa876f0874e15be39518d849d3fdf17084457e3d93e4391a7