[INFO] updating cached repository https://github.com/Jasperav/clone_field
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25e73a529f3af94eb13037088be7c6e1172db4af
[INFO] testing Jasperav/clone_field against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Fclone_field" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jasperav/clone_field on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Jasperav/clone_field already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72c9946de8df0335020f2315584e2287393ce05e220f865725740bff78af1412
[INFO] running `Command { std: "docker" "start" "-a" "72c9946de8df0335020f2315584e2287393ce05e220f865725740bff78af1412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72c9946de8df0335020f2315584e2287393ce05e220f865725740bff78af1412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c9946de8df0335020f2315584e2287393ce05e220f865725740bff78af1412", kill_on_drop: false }`
[INFO] [stdout] 72c9946de8df0335020f2315584e2287393ce05e220f865725740bff78af1412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71955e99c3b6360c3962a832e004fb0b23b60a8ac32f0a4ce2314be09a3f47a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71955e99c3b6360c3962a832e004fb0b23b60a8ac32f0a4ce2314be09a3f47a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling clone_field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.50s
[INFO] running `Command { std: "docker" "inspect" "71955e99c3b6360c3962a832e004fb0b23b60a8ac32f0a4ce2314be09a3f47a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71955e99c3b6360c3962a832e004fb0b23b60a8ac32f0a4ce2314be09a3f47a4", kill_on_drop: false }`
[INFO] [stdout] 71955e99c3b6360c3962a832e004fb0b23b60a8ac32f0a4ce2314be09a3f47a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26ca1d12201880ad6241223422309dbcb0c011dcb68c14afa2aab6bc96d95e03
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "26ca1d12201880ad6241223422309dbcb0c011dcb68c14afa2aab6bc96d95e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling clone_field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let field: Field = panic!();
[INFO] [stdout]   |                            -------- any code following this expression is unreachable
[INFO] [stdout] 8 | 
[INFO] [stdout] 9 |         let reference = &field;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `syn::data::Field` cannot be dereferenced
[INFO] [stdout]   --> src/lib.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let clone: Field = *reference.clone();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0614`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clone_field`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "26ca1d12201880ad6241223422309dbcb0c011dcb68c14afa2aab6bc96d95e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ca1d12201880ad6241223422309dbcb0c011dcb68c14afa2aab6bc96d95e03", kill_on_drop: false }`
[INFO] [stdout] 26ca1d12201880ad6241223422309dbcb0c011dcb68c14afa2aab6bc96d95e03