[INFO] fetching crate expr 0.0.1...
[INFO] testing expr-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate expr 0.0.1 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate expr 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate expr 0.0.1
[INFO] finished tweaking crates.io crate expr 0.0.1
[INFO] tweaked toml for crates.io crate expr 0.0.1 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e2d8a4508ae46c9439ce7b4f2ed1900983dff7b0fe731d0e1db0106519a62fa
[INFO] running `Command { std: "docker" "start" "-a" "1e2d8a4508ae46c9439ce7b4f2ed1900983dff7b0fe731d0e1db0106519a62fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e2d8a4508ae46c9439ce7b4f2ed1900983dff7b0fe731d0e1db0106519a62fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2d8a4508ae46c9439ce7b4f2ed1900983dff7b0fe731d0e1db0106519a62fa", kill_on_drop: false }`
[INFO] [stdout] 1e2d8a4508ae46c9439ce7b4f2ed1900983dff7b0fe731d0e1db0106519a62fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc06f0bb3012baf91c0cb6089cba63a88056c4d43baec90b4361977f3b3548da
[INFO] running `Command { std: "docker" "start" "-a" "dc06f0bb3012baf91c0cb6089cba63a88056c4d43baec90b4361977f3b3548da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling expr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/expr.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |         if token[].contains(".") {
[INFO] [stdout]     |                  ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/expr.rs:317:37
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn set_variables(&mut self, f: |&str| -> Val<T>) {
[INFO] [stdout]     |                                        ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/expr.rs:319:39
[INFO] [stdout]     |
[INFO] [stdout] 319 |             self.variables[*idx] = Some(f(name[]));
[INFO] [stdout]     |                                                ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `regex`
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate regex;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `regex_macros`
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate regex_macros;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Int`, `std::num::Float`
[INFO] [stdout]  --> src/expr.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::num::{Int, Float};
[INFO] [stdout]   |                ^^^  ^^^^^ no `Float` in `num`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Int` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `phase` in this scope
[INFO] [stdout]  --> src/lib.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[phase(plugin)]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]  --> src/expr.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[deriving(Clone, Show, PartialEq, PartialOrd)]
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/expr.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[deriving(Clone, Show, Eq, PartialEq, Ord, PartialOrd)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/expr.rs:57:3
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[deriving(Clone, Show, PartialEq, PartialOrd)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/expr.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[deriving(Clone, Show, Eq, PartialEq, Ord, PartialOrd)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Regex`
[INFO] [stdout]    --> src/expr.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let re = Regex::new(r#"[\d\w\._]+|[!<>=]=|&&|\|\||"[^"]+"|[^\s]"#).unwrap();
[INFO] [stdout]     |                  ^^^^^ use of undeclared type `Regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/expr.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Var(uint),
[INFO] [stdout]    |         ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/expr.rs:75:37
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct ExprParser<T> {
[INFO] [stdout]    |                        - help: you might be missing a type parameter: `, uint`
[INFO] [stdout] 74 |     functions: Vec<()>,
[INFO] [stdout] 75 |     function_name_map: HashMap<String, uint>,
[INFO] [stdout]    |                                        ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/expr.rs:288:37
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub struct Expr<T> {
[INFO] [stdout]     |                  - help: you might be missing a type parameter: `, uint`
[INFO] [stdout] ...
[INFO] [stdout] 288 |     variable_name_map: HashMap<String, uint>,
[INFO] [stdout]     |                                        ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/expr.rs:377:50
[INFO] [stdout]     |
[INFO] [stdout] 377 |             Op::Pow if b >= 0 => Some(Val::Int(a.pow(b as uint))),
[INFO] [stdout]     |                                                           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[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(slicing_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slicing_syntax` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(phase)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/expr.rs:198:36
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 expr.rpn_stack.push(Token::Var((*i)));
[INFO] [stdout]     |                                                ^  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -                 expr.rpn_stack.push(Token::Var((*i)));
[INFO] [stdout] 198 +                 expr.rpn_stack.push(Token::Var(*i));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/expr.rs:206:34
[INFO] [stdout]     |
[INFO] [stdout] 206 |         expr.rpn_stack.push(Token::Var((i)));
[INFO] [stdout]     |                                        ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 206 -         expr.rpn_stack.push(Token::Var((i)));
[INFO] [stdout] 206 +         expr.rpn_stack.push(Token::Var(i));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slicing_syntax` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slicing_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(phase)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `phase`
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(phase)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> src/expr.rs:73:23
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct ExprParser<T> {
[INFO] [stdout]    |                       ^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0412, E0432, E0433, E0463, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `expr` due to 22 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dc06f0bb3012baf91c0cb6089cba63a88056c4d43baec90b4361977f3b3548da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc06f0bb3012baf91c0cb6089cba63a88056c4d43baec90b4361977f3b3548da", kill_on_drop: false }`
[INFO] [stdout] dc06f0bb3012baf91c0cb6089cba63a88056c4d43baec90b4361977f3b3548da