[INFO] updating cached repository https://github.com/peterdelevoryas/rax
[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] fd2b3e05f4ab40c065ceec746d7301d5f9f04f59
[INFO] testing peterdelevoryas/rax against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterdelevoryas%2Frax" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peterdelevoryas/rax 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/peterdelevoryas/rax
[INFO] finished tweaking git repo https://github.com/peterdelevoryas/rax
[INFO] tweaked toml for git repo https://github.com/peterdelevoryas/rax written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/peterdelevoryas/rax 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c3f3cdbf87d9ea8ef1a360c2a0bdc23c825f9d780ab4d5caa21663c28c7342ad
[INFO] running `"docker" "start" "-a" "c3f3cdbf87d9ea8ef1a360c2a0bdc23c825f9d780ab4d5caa21663c28c7342ad"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0004]: non-exhaustive patterns: `&Bool` not covered
[INFO] [stderr]   --> src/ir.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 52 | / pub enum Ty {
[INFO] [stderr] 53 | |     Unit,
[INFO] [stderr] 54 | |     Bool,
[INFO] [stderr]    | |     ---- not covered
[INFO] [stderr] 55 | |     Int(IntTy),
[INFO] [stderr] 56 | |     Ptr(Box<Ty>),
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_- `ir::Ty` defined here
[INFO] [stderr] ...
[INFO] [stderr] 77 |           match self {
[INFO] [stderr]    |                 ^^^^ pattern `&Bool` not covered
[INFO] [stderr]    |
[INFO] [stderr]    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stderr]    = note: the matched value is of type `&ir::Ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/ir.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]    --> src/ir.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 132 |         for (ident, ty) in &ast.params {
[INFO] [stderr]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]    --> src/ir.rs:207:7
[INFO] [stderr]     |
[INFO] [stderr] 207 |         let ret = self.eval_block(&ast.body, Some(ret_ty));
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]    --> src/ir.rs:246:24
[INFO] [stderr]     |
[INFO] [stderr] 246 |             ast::Stmt::If(cond, block) => {
[INFO] [stderr]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cond`
[INFO] [stderr]    --> src/ir.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 let cond = self.eval_expr(cond, Some(&Ty::Bool));
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_cond`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/ir.rs:272:25
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn eval_str(&mut self, s: &str, env: Option<&Ty>) -> Value {
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/ir.rs:272:34
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn eval_str(&mut self, s: &str, env: Option<&Ty>) -> Value {
[INFO] [stderr]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/ir.rs:312:47
[INFO] [stderr]     |
[INFO] [stderr] 312 |     fn eval_path(&mut self, path: &[ast::Ident], env: Option<&Ty>) -> Value {
[INFO] [stderr]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `member`
[INFO] [stderr]    --> src/ir.rs:320:44
[INFO] [stderr]     |
[INFO] [stderr] 320 |     fn eval_field_access(&mut self, v: Value, member: ast::Ident) -> Value {
[INFO] [stderr]     |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_member`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ast.rs:242:7
[INFO] [stderr]     |
[INFO] [stderr] 242 |         let mut i = 0;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0004`.
[INFO] [stderr] error: could not compile `rax`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c3f3cdbf87d9ea8ef1a360c2a0bdc23c825f9d780ab4d5caa21663c28c7342ad"`
[INFO] running `"docker" "rm" "-f" "c3f3cdbf87d9ea8ef1a360c2a0bdc23c825f9d780ab4d5caa21663c28c7342ad"`
[INFO] [stdout] c3f3cdbf87d9ea8ef1a360c2a0bdc23c825f9d780ab4d5caa21663c28c7342ad