[INFO] crate gcmodule_derive 0.3.3 is already in cache
[INFO] checking gcmodule_derive-0.3.3 against try#b2a885c600d942fb829a214e798f7ae205a0594e for pr-71796
[INFO] extracting crate gcmodule_derive 0.3.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gcmodule_derive 0.3.3 on toolchain b2a885c600d942fb829a214e798f7ae205a0594e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b2a885c600d942fb829a214e798f7ae205a0594e" "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] 7935d7abd809c4ba6b83cc925197da9b6a6545d5e585662e6ad3103daca9cbaf
[INFO] running `"docker" "start" "-a" "7935d7abd809c4ba6b83cc925197da9b6a6545d5e585662e6ad3103daca9cbaf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking proc-macro2 v1.0.12
[INFO] [stderr]     Checking quote v1.0.5
[INFO] [stderr]     Checking syn v1.0.21
[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" "7935d7abd809c4ba6b83cc925197da9b6a6545d5e585662e6ad3103daca9cbaf"`
[INFO] running `"docker" "rm" "-f" "7935d7abd809c4ba6b83cc925197da9b6a6545d5e585662e6ad3103daca9cbaf"`
[INFO] [stdout] 7935d7abd809c4ba6b83cc925197da9b6a6545d5e585662e6ad3103daca9cbaf