[INFO] cloning repository https://github.com/Eldalar/Hex
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eldalar/Hex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEldalar%2FHex"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEldalar%2FHex'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dacd366a1c040a66a5e99fe40650393558f5132a
[INFO] checking Eldalar/Hex against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEldalar%2FHex" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eldalar/Hex on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Eldalar/Hex
[INFO] finished tweaking git repo https://github.com/Eldalar/Hex
[INFO] tweaked toml for git repo https://github.com/Eldalar/Hex written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Eldalar/Hex already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c9780d318c84d8be9611842e5e60bc9edd319f325f000112935c0a0d3e01c45
[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" "7c9780d318c84d8be9611842e5e60bc9edd319f325f000112935c0a0d3e01c45"`
[INFO] [stderr]    Compiling libloading v0.4.0
[INFO] [stderr]    Compiling procedural-masquerade v0.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]    Compiling rental-impl v0.4.11
[INFO] [stderr]     Checking rental v0.4.11
[INFO] [stderr]     Checking al-sys v0.5.1
[INFO] [stderr]     Checking alto v2.0.0 (https://github.com/Eldalar/alto#8e47a427)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/alto-0cacbe2ee1ac4bb1/8e47a42/src/alc.rs:910:59
[INFO] [stderr]     |
[INFO] [stderr] 910 |     pub fn capture_samples<R: AsBufferDataMut<F>>(&mut self, &mut data: R) -> AltoResult<()> {
[INFO] [stderr]     |                            -                                 ^^^^^^^^^----
[INFO] [stderr]     |                            |                                 |          |
[INFO] [stderr]     |                            |                                 |          expected due to this
[INFO] [stderr]     |                            |                                 expected type parameter `R`, found `&mut _`
[INFO] [stderr]     |                            this type parameter               help: did you mean `data`: `&R`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type parameter `R`
[INFO] [stderr]             found mutable reference `&mut _`
[INFO] [stderr]     = help: type parameters must be constrained to match other types
[INFO] [stderr]     = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `alto`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7c9780d318c84d8be9611842e5e60bc9edd319f325f000112935c0a0d3e01c45"`
[INFO] running `"docker" "rm" "-f" "7c9780d318c84d8be9611842e5e60bc9edd319f325f000112935c0a0d3e01c45"`
[INFO] [stdout] 7c9780d318c84d8be9611842e5e60bc9edd319f325f000112935c0a0d3e01c45