[INFO] cloning repository https://github.com/OlivierLemoine/fun-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OlivierLemoine/fun-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlivierLemoine%2Ffun-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlivierLemoine%2Ffun-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fbaa56f732fa1c0a3bec2ad267e62e284582a86
[INFO] testing OlivierLemoine/fun-with-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlivierLemoine%2Ffun-with-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OlivierLemoine/fun-with-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OlivierLemoine/fun-with-rust
[INFO] finished tweaking git repo https://github.com/OlivierLemoine/fun-with-rust
[INFO] tweaked toml for git repo https://github.com/OlivierLemoine/fun-with-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/OlivierLemoine/fun-with-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] e8cbdcc25fed0ca631dcea1bd2e9e13b3a837e64b27f644ef25b2103eebb66c6
[INFO] running `Command { std: "docker" "start" "-a" "e8cbdcc25fed0ca631dcea1bd2e9e13b3a837e64b27f644ef25b2103eebb66c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8cbdcc25fed0ca631dcea1bd2e9e13b3a837e64b27f644ef25b2103eebb66c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8cbdcc25fed0ca631dcea1bd2e9e13b3a837e64b27f644ef25b2103eebb66c6", kill_on_drop: false }`
[INFO] [stdout] e8cbdcc25fed0ca631dcea1bd2e9e13b3a837e64b27f644ef25b2103eebb66c6
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc09b72a8a6c3eb268d8bfc810a775b82c1dc4626db6cb9fc88a295b36bf82a
[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" "6bc09b72a8a6c3eb268d8bfc810a775b82c1dc4626db6cb9fc88a295b36bf82a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fun-with-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl<T, N: Nat> SizeProofVec<T, N> {
[INFO] [stdout]    |         - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn merge<M: Nat>(mut self, other: SizeProofVec<T, Suc<M>>) -> SizeProofVec<T, impl Nat> {
[INFO] [stdout]    |                                                                       ------------------------- expected `SizeProofVec<T, N>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 55 |             s
[INFO] [stdout]    |             ^ expected type parameter `N`, found struct `Suc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `SizeProofVec<_, N>`
[INFO] [stdout]               found struct `SizeProofVec<_, Suc<N>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fun-with-rust` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6bc09b72a8a6c3eb268d8bfc810a775b82c1dc4626db6cb9fc88a295b36bf82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc09b72a8a6c3eb268d8bfc810a775b82c1dc4626db6cb9fc88a295b36bf82a", kill_on_drop: false }`
[INFO] [stdout] 6bc09b72a8a6c3eb268d8bfc810a775b82c1dc4626db6cb9fc88a295b36bf82a