[INFO] updating cached repository https://github.com/fkaa/flu
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee8d2255d4c72a56b15009b1cc719dd8b3e82436
[INFO] testing fkaa/flu against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fflu" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fkaa/flu on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fkaa/flu
[INFO] finished tweaking git repo https://github.com/fkaa/flu
[INFO] tweaked toml for git repo https://github.com/fkaa/flu written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/fkaa/flu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 8575bf7bca3d29a1a2b46bbab4bc16c7439b09158ad89f27ad4bd1a4b06dc494
[INFO] running `Command { std: "docker" "start" "-a" "8575bf7bca3d29a1a2b46bbab4bc16c7439b09158ad89f27ad4bd1a4b06dc494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8575bf7bca3d29a1a2b46bbab4bc16c7439b09158ad89f27ad4bd1a4b06dc494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8575bf7bca3d29a1a2b46bbab4bc16c7439b09158ad89f27ad4bd1a4b06dc494", kill_on_drop: false }`
[INFO] [stdout] 8575bf7bca3d29a1a2b46bbab4bc16c7439b09158ad89f27ad4bd1a4b06dc494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74ba0cb159eb17ca6ea3edac1b5c7dac08c0aa262c9ccf94128df4086bc5878b
[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" "74ba0cb159eb17ca6ea3edac1b5c7dac08c0aa262c9ccf94128df4086bc5878b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.11
[INFO] [stderr]    Compiling pkg-config v0.3.5
[INFO] [stderr]    Compiling libc v0.2.8
[INFO] [stderr]    Compiling flu v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / macro_rules! assert_enum {
[INFO] [stdout] 6  | |     (@as_expr $e:expr) => {$e};
[INFO] [stdout] 7  | |     (@as_pat $p:pat) => {$p};
[INFO] [stdout] 8  | |     ($left:expr, $($right:tt)*) => (
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     )
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/push.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaValue`
[INFO] [stdout]  --> src/stack/read.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/read.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/stack/read.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaValue`
[INFO] [stdout]  --> src/stack/size.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaRef`
[INFO] [stdout]  --> src/stack/size.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use LuaRef;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/collections/table.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/collections/table.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LuaValue`
[INFO] [stdout]  --> src/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use LuaValue;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Table`
[INFO] [stdout]  --> src/context.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use Table;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Table`
[INFO] [stdout]  --> src/function.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use Table;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nil`
[INFO] [stdout]  --> src/function.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nil;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/function.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `nil` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct nil;
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flu`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "74ba0cb159eb17ca6ea3edac1b5c7dac08c0aa262c9ccf94128df4086bc5878b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ba0cb159eb17ca6ea3edac1b5c7dac08c0aa262c9ccf94128df4086bc5878b", kill_on_drop: false }`
[INFO] [stdout] 74ba0cb159eb17ca6ea3edac1b5c7dac08c0aa262c9ccf94128df4086bc5878b