[INFO] cloning repository https://github.com/Eldalar/Hex
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEldalar%2FHex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dacd366a1c040a66a5e99fe40650393558f5132a
[INFO] testing Eldalar/Hex against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEldalar%2FHex" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[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 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca49cc1b02881f3f12c9d93560b9a51cd49503dc521b981ed7ca7b3fc977701
[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" "dca49cc1b02881f3f12c9d93560b9a51cd49503dc521b981ed7ca7b3fc977701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca49cc1b02881f3f12c9d93560b9a51cd49503dc521b981ed7ca7b3fc977701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca49cc1b02881f3f12c9d93560b9a51cd49503dc521b981ed7ca7b3fc977701", kill_on_drop: false }`
[INFO] [stdout] dca49cc1b02881f3f12c9d93560b9a51cd49503dc521b981ed7ca7b3fc977701
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c75e668bdae66686337f6ffe268e66a5ef21a893fd77a9680c6c80bd7e1c5d4
[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" "3c75e668bdae66686337f6ffe268e66a5ef21a893fd77a9680c6c80bd7e1c5d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling procedural-masquerade v0.1.2
[INFO] [stderr]    Compiling libloading v0.4.0
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling rental-impl v0.4.11
[INFO] [stderr]    Compiling rental v0.4.11
[INFO] [stderr]    Compiling al-sys v0.5.1
[INFO] [stderr]    Compiling alto v2.0.0 (https://github.com/Eldalar/alto#8e47a427)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/alto-0cacbe2ee1ac4bb1/8e47a42/src/alc.rs:910:59
[INFO] [stdout]     |
[INFO] [stdout] 910 |     pub fn capture_samples<R: AsBufferDataMut<F>>(&mut self, &mut data: R) -> AltoResult<()> {
[INFO] [stdout]     |                            -                                 ^^^^^^^^^----
[INFO] [stdout]     |                            |                                 |          |
[INFO] [stdout]     |                            |                                 |          expected due to this
[INFO] [stdout]     |                            |                                 expected type parameter `R`, found `&mut _`
[INFO] [stdout]     |                            this type parameter               help: did you mean `data`: `&R`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `R`
[INFO] [stdout]             found mutable reference `&mut _`
[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 `alto`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3c75e668bdae66686337f6ffe268e66a5ef21a893fd77a9680c6c80bd7e1c5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c75e668bdae66686337f6ffe268e66a5ef21a893fd77a9680c6c80bd7e1c5d4", kill_on_drop: false }`
[INFO] [stdout] 3c75e668bdae66686337f6ffe268e66a5ef21a893fd77a9680c6c80bd7e1c5d4
