[INFO] crate ev3 0.3.0 is already in cache
[INFO] checking ev3-0.3.0 against try#9ff4d07208097950831ed4ea9d76feb1eafc8baa for pr-69340
[INFO] extracting crate ev3 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ev3 0.3.0 on toolchain 9ff4d07208097950831ed4ea9d76feb1eafc8baa
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ev3 0.3.0
[INFO] finished tweaking crates.io crate ev3 0.3.0
[INFO] tweaked toml for crates.io crate ev3 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "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] e55faa18c76b254dcb0d46c8e1a7c4baac3f51b42b549ca1d6709459b081458d
[INFO] running `"docker" "start" "-a" "e55faa18c76b254dcb0d46c8e1a7c4baac3f51b42b549ca1d6709459b081458d"`
[INFO] [stderr]     Checking ev3rt v0.3.0
[INFO] [stderr]     Checking ev3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stderr]   |
[INFO] [stderr]   = note: the lang item is first defined in crate `ev3rt` (which `ev3` depends on)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ev3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e55faa18c76b254dcb0d46c8e1a7c4baac3f51b42b549ca1d6709459b081458d"`
[INFO] running `"docker" "rm" "-f" "e55faa18c76b254dcb0d46c8e1a7c4baac3f51b42b549ca1d6709459b081458d"`
[INFO] [stdout] e55faa18c76b254dcb0d46c8e1a7c4baac3f51b42b549ca1d6709459b081458d