[INFO] crate evcxr_jupyter 0.4.4 is already in cache
[INFO] checking evcxr_jupyter-0.4.4 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate evcxr_jupyter 0.4.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate evcxr_jupyter 0.4.4 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate evcxr_jupyter 0.4.4
[INFO] finished tweaking crates.io crate evcxr_jupyter 0.4.4
[INFO] tweaked toml for crates.io crate evcxr_jupyter 0.4.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate evcxr_jupyter 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82d1928214e558a301ee0c3fd3e162c51782bd2160a25fcc66de15015d1b2189
[INFO] running `"docker" "start" "-a" "82d1928214e558a301ee0c3fd3e162c51782bd2160a25fcc66de15015d1b2189"`
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling zmq v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking sig v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling zmq-sys v0.9.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr] error[E0518]: attribute should be applied to function or closure
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zmq-0.9.1/src/lib.rs:1004:1
[INFO] [stderr]      |
[INFO] [stderr] 1004 | / bitflags! {
[INFO] [stderr] 1005 | |     /// Type representing pending socket events.
[INFO] [stderr] 1006 | |     pub struct PollEvents: i16 {
[INFO] [stderr] 1007 | |         /// For `poll()`, specifies to signal when a message/some data
[INFO] [stderr] ...    |
[INFO] [stderr] 1017 | |     }
[INFO] [stderr] 1018 | | }
[INFO] [stderr]      | |_^ not a function or closure
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0518]: attribute should be applied to function or closure
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zmq-0.9.1/src/lib.rs:1004:1
[INFO] [stderr]      |
[INFO] [stderr] 1004 | / bitflags! {
[INFO] [stderr] 1005 | |     /// Type representing pending socket events.
[INFO] [stderr] 1006 | |     pub struct PollEvents: i16 {
[INFO] [stderr] 1007 | |         /// For `poll()`, specifies to signal when a message/some data
[INFO] [stderr] ...    |
[INFO] [stderr] 1017 | |     }
[INFO] [stderr] 1018 | | }
[INFO] [stderr]      | |_^ not a function or closure
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0518]: attribute should be applied to function or closure
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zmq-0.9.1/src/lib.rs:1004:1
[INFO] [stderr]      |
[INFO] [stderr] 1004 | / bitflags! {
[INFO] [stderr] 1005 | |     /// Type representing pending socket events.
[INFO] [stderr] 1006 | |     pub struct PollEvents: i16 {
[INFO] [stderr] 1007 | |         /// For `poll()`, specifies to signal when a message/some data
[INFO] [stderr] ...    |
[INFO] [stderr] 1017 | |     }
[INFO] [stderr] 1018 | | }
[INFO] [stderr]      | |_^ not a function or closure
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0518]: attribute should be applied to function or closure
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zmq-0.9.1/src/lib.rs:1004:1
[INFO] [stderr]      |
[INFO] [stderr] 1004 | / bitflags! {
[INFO] [stderr] 1005 | |     /// Type representing pending socket events.
[INFO] [stderr] 1006 | |     pub struct PollEvents: i16 {
[INFO] [stderr] 1007 | |         /// For `poll()`, specifies to signal when a message/some data
[INFO] [stderr] ...    |
[INFO] [stderr] 1017 | |     }
[INFO] [stderr] 1018 | | }
[INFO] [stderr]      | |_^ not a function or closure
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0518`.
[INFO] [stderr] error: could not compile `zmq`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "82d1928214e558a301ee0c3fd3e162c51782bd2160a25fcc66de15015d1b2189"`
[INFO] running `"docker" "rm" "-f" "82d1928214e558a301ee0c3fd3e162c51782bd2160a25fcc66de15015d1b2189"`
[INFO] [stdout] 82d1928214e558a301ee0c3fd3e162c51782bd2160a25fcc66de15015d1b2189