[INFO] updating cached repository https://github.com/ubsan/newt
[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] 8a11c9db4200da624a563286ac8040a59ceffece
[INFO] testing ubsan/newt against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubsan%2Fnewt" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubsan/newt on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ubsan/newt
[INFO] finished tweaking git repo https://github.com/ubsan/newt
[INFO] tweaked toml for git repo https://github.com/ubsan/newt written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ubsan/newt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+1.44.0" "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] 6e3b3cea9af26a4e604c4cef8688f6b192efa0be0409995290b2eceb9402a207
[INFO] running `"docker" "start" "-a" "6e3b3cea9af26a4e604c4cef8688f6b192efa0be0409995290b2eceb9402a207"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling aho-corasick v0.6.7
[INFO] [stderr]    Compiling llvm-sys v70.0.0
[INFO] [stderr]    Compiling epsilon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected expression, found reserved identifier `_`
[INFO] [stderr]   --> src/module.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         "Int32" =>
[INFO] [stderr]    |                 -- while parsing the `match` arm starting here
[INFO] [stderr] 60 |         _ =>
[INFO] [stderr]    |         ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UnsafeCell` in this scope
[INFO] [stderr]   --> src/module.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |   type_names: UnsafeCell<HashMap<Interned<'cx, NfcString>, Interned<'cx, Type<'cx>>>>,
[INFO] [stderr]    |               ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use core::cell::UnsafeCell;
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::cell::UnsafeCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing field `type_names` in initializer of `module::Context<'cx>`
[INFO] [stderr]   --> src/module.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     Self {
[INFO] [stderr]    |     ^^^^ missing `type_names`
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed for `std::collections::HashMap<K, V>`
[INFO] [stderr]    --> src/module.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let mut functions = HashMap::new();
[INFO] [stderr]     |         -------------   ^^^^^^^^^^^^ cannot infer type for type parameter `K`
[INFO] [stderr]     |         |
[INFO] [stderr]     |         consider giving `functions` the explicit type `std::collections::HashMap<K, V>`, where the type parameter `K` is specified
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0063, E0282, E0412.
[INFO] [stderr] For more information about an error, try `rustc --explain E0063`.
[INFO] [stderr] error: could not compile `epsilon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6e3b3cea9af26a4e604c4cef8688f6b192efa0be0409995290b2eceb9402a207"`
[INFO] running `"docker" "rm" "-f" "6e3b3cea9af26a4e604c4cef8688f6b192efa0be0409995290b2eceb9402a207"`
[INFO] [stdout] 6e3b3cea9af26a4e604c4cef8688f6b192efa0be0409995290b2eceb9402a207