[INFO] updating cached repository https://github.com/fkaa/flu [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ee8d2255d4c72a56b15009b1cc719dd8b3e82436 [INFO] testing fkaa/flu against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fflu" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fkaa/flu on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [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-0/source/Cargo.toml [INFO] crate git repo https://github.com/fkaa/flu already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3140a4ebf3e323a8725445d91df2d496471e617e315b745daf6b3874232194ef [INFO] running `"docker" "start" "-a" "3140a4ebf3e323a8725445d91df2d496471e617e315b745daf6b3874232194ef"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling pkg-config v0.3.5 [INFO] [stderr] Compiling gcc v0.3.11 [INFO] [stderr] Compiling libc v0.2.8 [INFO] [stderr] Compiling flu v0.0.2 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(unboxed_closures)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | / macro_rules! assert_enum { [INFO] [stderr] 6 | | (@as_expr $e:expr) => {$e}; [INFO] [stderr] 7 | | (@as_pat $p:pat) => {$p}; [INFO] [stderr] 8 | | ($left:expr, $($right:tt)*) => ( [INFO] [stderr] ... | [INFO] [stderr] 21 | | ) [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `LuaRef` [INFO] [stderr] --> src/stack/push.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use LuaRef; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `LuaValue` [INFO] [stderr] --> src/stack/read.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use LuaValue; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `LuaRef` [INFO] [stderr] --> src/stack/read.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use LuaRef; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nil` [INFO] [stderr] --> src/stack/read.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use nil; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `LuaValue` [INFO] [stderr] --> src/stack/size.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use LuaValue; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `LuaRef` [INFO] [stderr] --> src/stack/size.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use LuaRef; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nil` [INFO] [stderr] --> src/collections/table.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use nil; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/collections/table.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `LuaValue` [INFO] [stderr] --> src/context.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use LuaValue; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Table` [INFO] [stderr] --> src/context.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use Table; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nil` [INFO] [stderr] --> src/value.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use nil; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Table` [INFO] [stderr] --> src/function.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use Table; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nil` [INFO] [stderr] --> src/function.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use nil; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::marker::PhantomData` [INFO] [stderr] --> src/function.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::marker::PhantomData; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type `nil` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:40:12 [INFO] [stderr] | [INFO] [stderr] 40 | pub struct nil; [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case: `Nil` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 16 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `flu`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3140a4ebf3e323a8725445d91df2d496471e617e315b745daf6b3874232194ef"` [INFO] running `"docker" "rm" "-f" "3140a4ebf3e323a8725445d91df2d496471e617e315b745daf6b3874232194ef"` [INFO] [stdout] 3140a4ebf3e323a8725445d91df2d496471e617e315b745daf6b3874232194ef