[INFO] fetching crate lando 0.2.1...
[INFO] testing lando-0.2.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate lando 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lando 0.2.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lando 0.2.1
[INFO] finished tweaking crates.io crate lando 0.2.1
[INFO] tweaked toml for crates.io crate lando 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lando-attr v0.2.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b40e6284d83a332e273f48abdef6e2e210ca52d47658336b192719f9304ed5f
[INFO] running `"docker" "start" "-a" "7b40e6284d83a332e273f48abdef6e2e210ca52d47658336b192719f9304ed5f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling cpython v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling python3-sys v0.1.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `PyEval_ThreadsInitialized` in crate `ffi`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.1.0/src/pythonrun.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 |             assert!(ffi::PyEval_ThreadsInitialized() != 0);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `ffi`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `PyEval_ThreadsInitialized` in crate `ffi`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.1.0/src/pythonrun.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |             assert!(ffi::PyEval_ThreadsInitialized() == 0);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `ffi`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `PyEval_InitThreads` in crate `ffi`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.1.0/src/pythonrun.rs:65:18
[INFO] [stderr]    |
[INFO] [stderr] 65 |             ffi::PyEval_InitThreads();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `PyEval_SaveThread`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/python3-sys-0.1.3/src/ceval.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn PyEval_SaveThread() -> *mut PyThreadState;
[INFO] [stderr]    |     ------------------------------------------------- similarly named function `PyEval_SaveThread` defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `PyEval_InitThreads` in crate `ffi`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.1.0/src/lib.rs:333:10
[INFO] [stderr]     |
[INFO] [stderr] 333 |     ffi::PyEval_InitThreads();
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `PyEval_SaveThread`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/python3-sys-0.1.3/src/ceval.rs:49:5
[INFO] [stderr]     |
[INFO] [stderr] 49  |     pub fn PyEval_SaveThread() -> *mut PyThreadState;
[INFO] [stderr]     |     ------------------------------------------------- similarly named function `PyEval_SaveThread` defined here
[INFO] [stderr] 
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `cpython`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7b40e6284d83a332e273f48abdef6e2e210ca52d47658336b192719f9304ed5f"`
[INFO] running `"docker" "rm" "-f" "7b40e6284d83a332e273f48abdef6e2e210ca52d47658336b192719f9304ed5f"`
[INFO] [stdout] 7b40e6284d83a332e273f48abdef6e2e210ca52d47658336b192719f9304ed5f