[INFO] updating cached repository https://github.com/folsen/ethcc-demo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c10d8abef0d3df18884bcec787e83aead5adae26
[INFO] checking folsen/ethcc-demo against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffolsen%2Fethcc-demo" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/folsen/ethcc-demo on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/folsen/ethcc-demo
[INFO] finished tweaking git repo https://github.com/folsen/ethcc-demo
[INFO] tweaked toml for git repo https://github.com/folsen/ethcc-demo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/folsen/ethcc-demo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 4c6e7c059c42655e7d4ffa8d8f409f9ef2a5b48a47b6ec1f294a2d6340fd1b98
[INFO] running `"docker" "start" "-a" "4c6e7c059c42655e7d4ffa8d8f409f9ef2a5b48a47b6ec1f294a2d6340fd1b98"`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking object-alloc v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling serde v1.0.32
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]     Checking pwasm-libc v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking sysconf v0.3.1
[INFO] [stderr] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-alloc-0.1.0/src/lib.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | use alloc::allocator::Layout;
[INFO] [stderr]    |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `object-alloc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4c6e7c059c42655e7d4ffa8d8f409f9ef2a5b48a47b6ec1f294a2d6340fd1b98"`
[INFO] running `"docker" "rm" "-f" "4c6e7c059c42655e7d4ffa8d8f409f9ef2a5b48a47b6ec1f294a2d6340fd1b98"`
[INFO] [stdout] 4c6e7c059c42655e7d4ffa8d8f409f9ef2a5b48a47b6ec1f294a2d6340fd1b98