[INFO] updating cached repository https://github.com/martindevans/Intent
[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] e770ebb5eb62d6a8ad5ef166740c45ee20376d2e
[INFO] testing martindevans/Intent against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartindevans%2FIntent" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martindevans/Intent 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/martindevans/Intent
[INFO] finished tweaking git repo https://github.com/martindevans/Intent
[INFO] tweaked toml for git repo https://github.com/martindevans/Intent written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/martindevans/Intent 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddc88ad4489e5a6bb32ae4776ee7f4ba638867cb68f8e952858a287e9f663be4
[INFO] running `"docker" "start" "-a" "ddc88ad4489e5a6bb32ae4776ee7f4ba638867cb68f8e952858a287e9f663be4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling intent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:141:47
[INFO] [stderr]     |
[INFO] [stderr] 141 |                   Cell(ref b, ref c) => Rc::new(eval_cell(
[INFO] [stderr]     |  _______________________________________________^
[INFO] [stderr] 142 | |                     &eval_cell(&a, &b),
[INFO] [stderr] 143 | |                     &eval_cell(&a, &c)
[INFO] [stderr] 144 | |                 ))
[INFO] [stderr]     | |_________________^ expected enum `Value`, found struct `std::rc::Rc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `Value`
[INFO] [stderr]              found struct `std::rc::Rc<Value>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:152:60
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 (Some(0), Some((ref b, ref c))) => Rc::new(b),
[INFO] [stderr]     |                                                            ^ expected enum `Value`, found reference
[INFO] [stderr]     |
[INFO] [stderr]     = note:   expected enum `Value`
[INFO] [stderr]             found reference `&std::rc::Rc<Value>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:153:60
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 (Some(1), Some((ref b, ref c))) => Rc::new(c),
[INFO] [stderr]     |                                                            ^ expected enum `Value`, found reference
[INFO] [stderr]     |
[INFO] [stderr]     = note:   expected enum `Value`
[INFO] [stderr]             found reference `&std::rc::Rc<Value>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `intent`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ddc88ad4489e5a6bb32ae4776ee7f4ba638867cb68f8e952858a287e9f663be4"`
[INFO] running `"docker" "rm" "-f" "ddc88ad4489e5a6bb32ae4776ee7f4ba638867cb68f8e952858a287e9f663be4"`
[INFO] [stdout] ddc88ad4489e5a6bb32ae4776ee7f4ba638867cb68f8e952858a287e9f663be4