[INFO] fetching crate lather 0.0.0...
[INFO] checking lather-0.0.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate lather 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lather 0.0.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inflate v0.2.0
[INFO] [stderr]   Downloaded png v0.9.0
[INFO] [stderr]   Downloaded gnuplot v0.0.22
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded ndarray v0.9.1
[INFO] [stderr]   Downloaded rust-ini v0.10.3
[INFO] [stderr]   Downloaded cpython v0.1.0
[INFO] [stderr]   Downloaded numpy v0.2.1
[INFO] [stderr]   Downloaded python3-sys v0.1.3
[INFO] [stderr]   Downloaded rustfft v2.1.0
[INFO] [stderr]   Downloaded GSL v0.4.31
[INFO] [stderr]   Downloaded quadrature v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5f737ea0b7e278435e5647a8b19b1ba9a5f8dd2ed39b8f16ad966c371b7aa4d
[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" "f5f737ea0b7e278435e5647a8b19b1ba9a5f8dd2ed39b8f16ad966c371b7aa4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f737ea0b7e278435e5647a8b19b1ba9a5f8dd2ed39b8f16ad966c371b7aa4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f737ea0b7e278435e5647a8b19b1ba9a5f8dd2ed39b8f16ad966c371b7aa4d", kill_on_drop: false }`
[INFO] [stdout] f5f737ea0b7e278435e5647a8b19b1ba9a5f8dd2ed39b8f16ad966c371b7aa4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22c5f99de76a0c801e4c1ad1135bca42f7ccacd89540a8079c69a50bfc2f2dee
[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" "22c5f99de76a0c801e4c1ad1135bca42f7ccacd89540a8079c69a50bfc2f2dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[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 bitflags v0.9.1
[INFO] [stderr]     Checking quadrature v0.1.2
[INFO] [stderr]     Checking rust-ini v0.10.3
[INFO] [stderr]     Checking gnuplot v0.0.22
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling GSL v0.4.31
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking rustfft v2.1.0
[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" "22c5f99de76a0c801e4c1ad1135bca42f7ccacd89540a8079c69a50bfc2f2dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c5f99de76a0c801e4c1ad1135bca42f7ccacd89540a8079c69a50bfc2f2dee", kill_on_drop: false }`
[INFO] [stdout] 22c5f99de76a0c801e4c1ad1135bca42f7ccacd89540a8079c69a50bfc2f2dee