[INFO] cloning repository https://github.com/martindevans/Intent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martindevans/Intent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartindevans%2FIntent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartindevans%2FIntent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e770ebb5eb62d6a8ad5ef166740c45ee20376d2e
[INFO] testing martindevans/Intent against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartindevans%2FIntent" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martindevans/Intent on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/martindevans/Intent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] bfb3e614ec693f5d2d4191e7832fed3c6cdb210c56738452188c3113b4a3cb77
[INFO] running `Command { std: "docker" "start" "-a" "bfb3e614ec693f5d2d4191e7832fed3c6cdb210c56738452188c3113b4a3cb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfb3e614ec693f5d2d4191e7832fed3c6cdb210c56738452188c3113b4a3cb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb3e614ec693f5d2d4191e7832fed3c6cdb210c56738452188c3113b4a3cb77", kill_on_drop: false }`
[INFO] [stdout] bfb3e614ec693f5d2d4191e7832fed3c6cdb210c56738452188c3113b4a3cb77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", 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] e9926115bbca271286265a26b36ab01ce7006f03b728b49c0e9bf2ea4ef13dc5
[INFO] running `Command { std: "docker" "start" "-a" "e9926115bbca271286265a26b36ab01ce7006f03b728b49c0e9bf2ea4ef13dc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling intent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:141:47
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   Cell(ref b, ref c) => Rc::new(eval_cell(
[INFO] [stdout]     |  _______________________________________________^
[INFO] [stdout] 142 | |                     &eval_cell(&a, &b),
[INFO] [stdout] 143 | |                     &eval_cell(&a, &c)
[INFO] [stdout] 144 | |                 ))
[INFO] [stdout]     | |_________________^ expected enum `Value`, found struct `Rc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Value`
[INFO] [stdout]              found struct `Rc<Value>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:152:60
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 (Some(0), Some((ref b, ref c))) => Rc::new(b),
[INFO] [stdout]     |                                                            ^ expected enum `Value`, found `&Rc<Value>`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Value`
[INFO] [stdout]             found reference `&Rc<Value>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:153:60
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 (Some(1), Some((ref b, ref c))) => Rc::new(c),
[INFO] [stdout]     |                                                            ^ expected enum `Value`, found `&Rc<Value>`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Value`
[INFO] [stdout]             found reference `&Rc<Value>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intent`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e9926115bbca271286265a26b36ab01ce7006f03b728b49c0e9bf2ea4ef13dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9926115bbca271286265a26b36ab01ce7006f03b728b49c0e9bf2ea4ef13dc5", kill_on_drop: false }`
[INFO] [stdout] e9926115bbca271286265a26b36ab01ce7006f03b728b49c0e9bf2ea4ef13dc5