[INFO] updating cached repository https://github.com/Jasperav/clone_field
[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] 25e73a529f3af94eb13037088be7c6e1172db4af
[INFO] testing Jasperav/clone_field against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Fclone_field" "/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/Jasperav/clone_field on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Jasperav/clone_field
[INFO] finished tweaking git repo https://github.com/Jasperav/clone_field
[INFO] tweaked toml for git repo https://github.com/Jasperav/clone_field written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Jasperav/clone_field already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] e2c9c669bae6cf8719195c84ecc0079d45457eb53ad2f2aa57f9d24aee5136e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e2c9c669bae6cf8719195c84ecc0079d45457eb53ad2f2aa57f9d24aee5136e7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling clone_field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.88s
[INFO] running `"docker" "inspect" "e2c9c669bae6cf8719195c84ecc0079d45457eb53ad2f2aa57f9d24aee5136e7"`
[INFO] running `"docker" "rm" "-f" "e2c9c669bae6cf8719195c84ecc0079d45457eb53ad2f2aa57f9d24aee5136e7"`
[INFO] [stdout] e2c9c669bae6cf8719195c84ecc0079d45457eb53ad2f2aa57f9d24aee5136e7
[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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 192032f86be6a7258f5a9ffef5228fc6865d9f81edb34ae8762a82777cf64d14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "192032f86be6a7258f5a9ffef5228fc6865d9f81edb34ae8762a82777cf64d14"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling clone_field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]  --> src/lib.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let field: Field = panic!();
[INFO] [stderr]   |                            -------- any code following this expression is unreachable
[INFO] [stderr] 8 | 
[INFO] [stderr] 9 |         let reference = &field;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `syn::data::Field` cannot be dereferenced
[INFO] [stderr]   --> src/lib.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let clone: Field = *reference.clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0614`.
[INFO] [stderr] error: could not compile `clone_field`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "192032f86be6a7258f5a9ffef5228fc6865d9f81edb34ae8762a82777cf64d14"`
[INFO] running `"docker" "rm" "-f" "192032f86be6a7258f5a9ffef5228fc6865d9f81edb34ae8762a82777cf64d14"`
[INFO] [stdout] 192032f86be6a7258f5a9ffef5228fc6865d9f81edb34ae8762a82777cf64d14