[INFO] cloning repository https://github.com/lupuchard/rust-expr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lupuchard/rust-expr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupuchard%2Frust-expr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupuchard%2Frust-expr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 869f62bb01f622ea95866fc71b464fc120a65cf8
[INFO] testing lupuchard/rust-expr against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupuchard%2Frust-expr" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lupuchard/rust-expr 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 git repo https://github.com/lupuchard/rust-expr
[INFO] finished tweaking git repo https://github.com/lupuchard/rust-expr
[INFO] tweaked toml for git repo https://github.com/lupuchard/rust-expr written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/lupuchard/rust-expr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 1533cc3ecd6c3e2ab2e35573a2409d83716a1ba77b44e89afa32cadd1897cfe9
[INFO] running `Command { std: "docker" "start" "-a" "1533cc3ecd6c3e2ab2e35573a2409d83716a1ba77b44e89afa32cadd1897cfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1533cc3ecd6c3e2ab2e35573a2409d83716a1ba77b44e89afa32cadd1897cfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1533cc3ecd6c3e2ab2e35573a2409d83716a1ba77b44e89afa32cadd1897cfe9", kill_on_drop: false }`
[INFO] [stdout] 1533cc3ecd6c3e2ab2e35573a2409d83716a1ba77b44e89afa32cadd1897cfe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 32587f709764734e6a2a7198f19e64abcfe31c9276bade13d04d073e0a0fb8fb
[INFO] running `Command { std: "docker" "start" "-a" "32587f709764734e6a2a7198f19e64abcfe31c9276bade13d04d073e0a0fb8fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling expr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/expr.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 |         if token[].contains(".") {
[INFO] [stdout]     |                  ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/expr.rs:331:37
[INFO] [stdout]     |
[INFO] [stdout] 331 |     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:333:39
[INFO] [stdout]     |
[INFO] [stdout] 333 |             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[E0432]: unresolved import `std::fmt::Show`
[INFO] [stdout]  --> src/expr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::Show;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `Show` in `fmt`
[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:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[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:35:3
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[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:58:3
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[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:65:3
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[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:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |         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:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 |     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:77:37
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct ExprParser<T> {
[INFO] [stdout]    |                        - help: you might be missing a type parameter: `, uint`
[INFO] [stdout] 76 |     functions: Vec<()>,
[INFO] [stdout] 77 |     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:292:37
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct Expr<T> {
[INFO] [stdout]     |                  - help: you might be missing a type parameter: `, uint`
[INFO] [stdout] ...
[INFO] [stdout] 292 |     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:297:23
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn len(&self) -> 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:302:33
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn num_variables(&self) -> uint {
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/expr.rs:374:15
[INFO] [stdout]     |
[INFO] [stdout] 374 |                     for i in range(0, num_args) {
[INFO] [stdout]     |                              ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/expr.rs:384:15
[INFO] [stdout]     |
[INFO] [stdout] 384 |                     for _ in range(0, num_args) {
[INFO] [stdout]     |                              ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::slice::range;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]    --> src/expr.rs:431:50
[INFO] [stdout]     |
[INFO] [stdout] 431 |             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:202:36
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 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] 202 -                 expr.rpn_stack.push(Token::Var((*i)));
[INFO] [stdout] 202 +                 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:210:34
[INFO] [stdout]     |
[INFO] [stdout] 210 |         expr.rpn_stack.push(Token::Var((i)));
[INFO] [stdout]     |                                        ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 -         expr.rpn_stack.push(Token::Var((i)));
[INFO] [stdout] 210 +         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: aborting due to 25 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432, E0433, E0463, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `expr` due to 26 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "32587f709764734e6a2a7198f19e64abcfe31c9276bade13d04d073e0a0fb8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32587f709764734e6a2a7198f19e64abcfe31c9276bade13d04d073e0a0fb8fb", kill_on_drop: false }`
[INFO] [stdout] 32587f709764734e6a2a7198f19e64abcfe31c9276bade13d04d073e0a0fb8fb