[INFO] fetching crate gcmodule_derive 0.3.3...
[INFO] checking gcmodule_derive-0.3.3 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate gcmodule_derive 0.3.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gcmodule_derive 0.3.3 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gcmodule_derive 0.3.3
[INFO] finished tweaking crates.io crate gcmodule_derive 0.3.3
[INFO] tweaked toml for crates.io crate gcmodule_derive 0.3.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 429e1708b37bd3f2bf5642cb75936032a1ed01b3e54524802ffa3bc66569b141
[INFO] running `"docker" "start" "-a" "429e1708b37bd3f2bf5642cb75936032a1ed01b3e54524802ffa3bc66569b141"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking proc-macro2 v1.0.10
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking syn v1.0.17
[INFO] [stderr]     Checking gcmodule_derive v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `gcmodule`
[INFO] [stderr]  --> tests/trace.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[derive(DeriveTrace)]
[INFO] [stderr]   |              ^^^^^^^^^^^ can't find crate
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `gcmodule_derive`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "429e1708b37bd3f2bf5642cb75936032a1ed01b3e54524802ffa3bc66569b141"`
[INFO] running `"docker" "rm" "-f" "429e1708b37bd3f2bf5642cb75936032a1ed01b3e54524802ffa3bc66569b141"`
[INFO] [stdout] 429e1708b37bd3f2bf5642cb75936032a1ed01b3e54524802ffa3bc66569b141