[INFO] crate mojang-api 0.4.0 is already in cache
[INFO] checking mojang-api-0.4.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate mojang-api 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mojang-api 0.4.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mojang-api 0.4.0
[INFO] finished tweaking crates.io crate mojang-api 0.4.0
[INFO] tweaked toml for crates.io crate mojang-api 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 04aead78530fa06bf39d970fdc61b51079515249458dcc310b5f0eb4bd46989c
[INFO] running `"docker" "start" "-a" "04aead78530fa06bf39d970fdc61b51079515249458dcc310b5f0eb4bd46989c"`
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking http-body v0.2.0-alpha.3
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tower-make v0.3.0-alpha.2a
[INFO] [stderr]     Checking tokio-tls v0.3.0-alpha.6
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr] error[E0425]: cannot find value `__tracing_attr_span` in this scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.2.0-alpha.6/src/threadpool/pool/mod.rs:136:65
[INFO] [stderr]     |
[INFO] [stderr] 136 |       pub(crate) fn shutdown(&self, now: bool, purge_queue: bool) {
[INFO] [stderr]     |  _________________________________________________________________^
[INFO] [stderr] 137 | |         let mut state: State = self.state.load(Acquire).into();
[INFO] [stderr] 138 | |         trace!(?state);
[INFO] [stderr] 139 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |         self.terminate_sleeping_workers();
[INFO] [stderr] 195 | |     }
[INFO] [stderr]     | |_____^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `tokio-executor`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "04aead78530fa06bf39d970fdc61b51079515249458dcc310b5f0eb4bd46989c"`
[INFO] running `"docker" "rm" "-f" "04aead78530fa06bf39d970fdc61b51079515249458dcc310b5f0eb4bd46989c"`
[INFO] [stdout] 04aead78530fa06bf39d970fdc61b51079515249458dcc310b5f0eb4bd46989c