[INFO] fetching crate lando 0.2.1...
[INFO] checking lando-0.2.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[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 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lando-attr v0.2.1
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e4c11c0414be19c8a8dfcb19f3e1797af13370017466e49015e0dcbef000194
[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" "3e4c11c0414be19c8a8dfcb19f3e1797af13370017466e49015e0dcbef000194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e4c11c0414be19c8a8dfcb19f3e1797af13370017466e49015e0dcbef000194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4c11c0414be19c8a8dfcb19f3e1797af13370017466e49015e0dcbef000194", kill_on_drop: false }`
[INFO] [stdout] 3e4c11c0414be19c8a8dfcb19f3e1797af13370017466e49015e0dcbef000194
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa09fee11e7794369a5609db7ec0ec5fc3bea3ff57ab564cd32ff4f0535a0552
[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" "fa09fee11e7794369a5609db7ec0ec5fc3bea3ff57ab564cd32ff4f0535a0552", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cpython v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling python3-sys v0.1.3
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_derive v1.0.125
[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] [stderr]    Compiling lando-attr v0.2.1
[INFO] [stderr]     Checking failure v0.1.8
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fa09fee11e7794369a5609db7ec0ec5fc3bea3ff57ab564cd32ff4f0535a0552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa09fee11e7794369a5609db7ec0ec5fc3bea3ff57ab564cd32ff4f0535a0552", kill_on_drop: false }`
[INFO] [stdout] fa09fee11e7794369a5609db7ec0ec5fc3bea3ff57ab564cd32ff4f0535a0552