[INFO] crate tracing-futures 0.2.3 is already in cache
[INFO] checking tracing-futures-0.2.3 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate tracing-futures 0.2.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tracing-futures 0.2.3 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tracing-futures 0.2.3
[INFO] finished tweaking crates.io crate tracing-futures 0.2.3
[INFO] tweaked toml for crates.io crate tracing-futures 0.2.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] b9b1e10b58632bf6d9b79d02bf725b838602e8a741052c8af552b6b4161e99ce
[INFO] running `"docker" "start" "-a" "b9b1e10b58632bf6d9b79d02bf725b838602e8a741052c8af552b6b4161e99ce"`
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking tracing-futures v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: couldn't read src/../../tracing/tests/support/mod.rs: No such file or directory (os error 2)
[INFO] [stderr]    --> src/lib.rs:485:1
[INFO] [stderr]     |
[INFO] [stderr] 485 | pub(crate) mod support;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tracing-futures`.
[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" "b9b1e10b58632bf6d9b79d02bf725b838602e8a741052c8af552b6b4161e99ce"`
[INFO] running `"docker" "rm" "-f" "b9b1e10b58632bf6d9b79d02bf725b838602e8a741052c8af552b6b4161e99ce"`
[INFO] [stdout] b9b1e10b58632bf6d9b79d02bf725b838602e8a741052c8af552b6b4161e99ce