[INFO] cloning repository https://github.com/hatellezp/foxidation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hatellezp/foxidation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatellezp%2Ffoxidation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatellezp%2Ffoxidation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1a4cc234cdf0429786b88f5302c34023a91adff
[INFO] checking hatellezp/foxidation against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatellezp%2Ffoxidation" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hatellezp/foxidation on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hatellezp/foxidation
[INFO] finished tweaking git repo https://github.com/hatellezp/foxidation
[INFO] tweaked toml for git repo https://github.com/hatellezp/foxidation written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/hatellezp/foxidation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bb62b031f78f5b7c758a04160434f315330cc76b4101e2a135baeccac24c09c
[INFO] running `Command { std: "docker" "start" "-a" "2bb62b031f78f5b7c758a04160434f315330cc76b4101e2a135baeccac24c09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bb62b031f78f5b7c758a04160434f315330cc76b4101e2a135baeccac24c09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb62b031f78f5b7c758a04160434f315330cc76b4101e2a135baeccac24c09c", kill_on_drop: false }`
[INFO] [stdout] 2bb62b031f78f5b7c758a04160434f315330cc76b4101e2a135baeccac24c09c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e406079dfdae27607b559ff13144cf10173547bd2ecf925c7ce8a3ad7d07b82
[INFO] running `Command { std: "docker" "start" "-a" "2e406079dfdae27607b559ff13144cf10173547bd2ecf925c7ce8a3ad7d07b82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking parser_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `structopt`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use structopt::StructOpt;
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `structopt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `colored`
[INFO] [stdout]  --> src/core/symbols.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use colored::{Colorize};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `colored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `structopt`
[INFO] [stdout]  --> src/parser/cli.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use structopt::StructOpt;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `structopt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `StructOpt`
[INFO] [stdout]  --> src/parser/cli.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(StructOpt, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `structopt`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use structopt::StructOpt;
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `structopt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `colored`
[INFO] [stdout]  --> src/core/symbols.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use colored::{Colorize};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `colored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `structopt`
[INFO] [stdout]  --> src/parser/cli.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use structopt::StructOpt;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `structopt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `StructOpt`
[INFO] [stdout]  --> src/parser/cli.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(StructOpt, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `structopt` in this scope
[INFO] [stdout]  --> src/parser/cli.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[structopt(
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `structopt` in this scope
[INFO] [stdout]  --> src/parser/cli.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[structopt(
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_args` found for struct `Cli` in the current scope
[INFO] [stdout]   --> src/main.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let args = Cli::from_args();
[INFO] [stdout]    |                     ^^^^^^^^^ function or associated item not found in `Cli`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/parser/cli.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Cli {
[INFO] [stdout]    | -------------- function or associated item `from_args` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_args` found for struct `Cli` in the current scope
[INFO] [stdout]   --> src/main.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let args = Cli::from_args();
[INFO] [stdout]    |                     ^^^^^^^^^ function or associated item not found in `Cli`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/parser/cli.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Cli {
[INFO] [stdout]    | -------------- function or associated item `from_args` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:126:52
[INFO] [stdout]     |
[INFO] [stdout] 126 |             Literal::Var(v) => write!(f, "'{}'", v.blue()),
[INFO] [stdout]     |                                                    ^^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:127:66
[INFO] [stdout]     |
[INFO] [stdout] 127 |             Literal::Integer(i) => write!(f, "{}", i.to_string().blue()),
[INFO] [stdout]     |                                                                  ^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:126:52
[INFO] [stdout]     |
[INFO] [stdout] 126 |             Literal::Var(v) => write!(f, "'{}'", v.blue()),
[INFO] [stdout]     |                                                    ^^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:128:57
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Literal::Constant(c) => write!(f, "'{}'", c.blue()),
[INFO] [stdout]     |                                                         ^^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:127:66
[INFO] [stdout]     |
[INFO] [stdout] 127 |             Literal::Integer(i) => write!(f, "{}", i.to_string().blue()),
[INFO] [stdout]     |                                                                  ^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:129:57
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Literal::RelName(r, _) => write!(f, "{}", r.red()), //[{}]", *r, a),
[INFO] [stdout]     |                                                         ^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:128:57
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Literal::Constant(c) => write!(f, "'{}'", c.blue()),
[INFO] [stdout]     |                                                         ^^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:130:58
[INFO] [stdout]     |
[INFO] [stdout] 130 |             Literal::FuncName(r, _) => write!(f, "{}", r.red()), //[{}]", *r, a),
[INFO] [stdout]     |                                                          ^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:129:57
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Literal::RelName(r, _) => write!(f, "{}", r.red()), //[{}]", *r, a),
[INFO] [stdout]     |                                                         ^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:131:58
[INFO] [stdout]     |
[INFO] [stdout] 131 |             Literal::FormName(r, _) => write!(f, "{}", r.red()),
[INFO] [stdout]     |                                                          ^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:130:58
[INFO] [stdout]     |
[INFO] [stdout] 130 |             Literal::FuncName(r, _) => write!(f, "{}", r.red()), //[{}]", *r, a),
[INFO] [stdout]     |                                                          ^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:135:39
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 a.deref().to_string().red(),
[INFO] [stdout]     |                                       ^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for reference `&String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:131:58
[INFO] [stdout]     |
[INFO] [stdout] 131 |             Literal::FormName(r, _) => write!(f, "{}", r.red()),
[INFO] [stdout]     |                                                          ^^^ method not found in `&String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:138:47
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     .map(|x| format!("{}", x).blue().to_string())
[INFO] [stdout]     |                                               ^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:135:39
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 a.deref().to_string().red(),
[INFO] [stdout]     |                                       ^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:138:47
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     .map(|x| format!("{}", x).blue().to_string())
[INFO] [stdout]     |                                               ^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:211:43
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 .map(|x| format!("{}", x).blue().to_string())
[INFO] [stdout]     |                                           ^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `blue` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:211:43
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 .map(|x| format!("{}", x).blue().to_string())
[INFO] [stdout]     |                                           ^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `green` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:301:57
[INFO] [stdout]     |
[INFO] [stdout] 301 |             Expression::True => format!("{}", TOP_CHAR).green().to_string(),
[INFO] [stdout]     |                                                         ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `green` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:302:58
[INFO] [stdout]     |
[INFO] [stdout] 302 |             Expression::False => format!("{}", BOT_CHAR).green().to_string(),
[INFO] [stdout]     |                                                          ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `green` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:301:57
[INFO] [stdout]     |
[INFO] [stdout] 301 |             Expression::True => format!("{}", TOP_CHAR).green().to_string(),
[INFO] [stdout]     |                                                         ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:306:52
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 format!("{}({})", name.to_string().red().to_string(), vars)
[INFO] [stdout]     |                                                    ^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `green` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:302:58
[INFO] [stdout]     |
[INFO] [stdout] 302 |             Expression::False => format!("{}", BOT_CHAR).green().to_string(),
[INFO] [stdout]     |                                                          ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:314:41
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     literal.to_string().red().to_string(),
[INFO] [stdout]     |                                         ^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:306:52
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 format!("{}({})", name.to_string().red().to_string(), vars)
[INFO] [stdout]     |                                                    ^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:316:49
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     TRIPLE_BAR_CHAR.to_string().yellow().to_string(),
[INFO] [stdout]     |                                                 ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `red` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:314:41
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     literal.to_string().red().to_string(),
[INFO] [stdout]     |                                         ^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:316:49
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     TRIPLE_BAR_CHAR.to_string().yellow().to_string(),
[INFO] [stdout]     |                                                 ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for reference `&'static str` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:320:75
[INFO] [stdout]     |
[INFO] [stdout] 320 |             Expression::BasicEquality(a, b) => format!("{} {} {}", a, "=".yellow(), b),
[INFO] [stdout]     |                                                                           ^^^^^^ method not found in `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for reference `&'static str` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:320:75
[INFO] [stdout]     |
[INFO] [stdout] 320 |             Expression::BasicEquality(a, b) => format!("{} {} {}", a, "=".yellow(), b),
[INFO] [stdout]     |                                                                           ^^^^^^ method not found in `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for reference `&'static str` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:325:25
[INFO] [stdout]     |
[INFO] [stdout] 325 |                     "=".yellow(),
[INFO] [stdout]     |                         ^^^^^^ method not found in `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for reference `&'static str` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 "=".yellow(),
[INFO] [stdout]     |                     ^^^^^^ method not found in `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for reference `&'static str` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:325:25
[INFO] [stdout]     |
[INFO] [stdout] 325 |                     "=".yellow(),
[INFO] [stdout]     |                         ^^^^^^ method not found in `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:338:37
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     NOT.to_string().yellow(),
[INFO] [stdout]     |                                     ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for reference `&'static str` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 "=".yellow(),
[INFO] [stdout]     |                     ^^^^^^ method not found in `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                     NOT.to_string().yellow(),
[INFO] [stdout]     |                                     ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:338:37
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     NOT.to_string().yellow(),
[INFO] [stdout]     |                                     ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:354:69
[INFO] [stdout]     |
[INFO] [stdout] 354 |                     Expression::And(_) => format!(" {} ", AND_CHAR).yellow().to_string(),
[INFO] [stdout]     |                                                                     ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:343:37
[INFO] [stdout]     |
[INFO] [stdout] 343 |                     NOT.to_string().yellow(),
[INFO] [stdout]     |                                     ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:355:67
[INFO] [stdout]     |
[INFO] [stdout] 355 |                     Expression::Or(_) => format!(" {} ", OR_CHAR).yellow().to_string(),
[INFO] [stdout]     |                                                                   ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:354:69
[INFO] [stdout]     |
[INFO] [stdout] 354 |                     Expression::And(_) => format!(" {} ", AND_CHAR).yellow().to_string(),
[INFO] [stdout]     |                                                                     ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `green` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:360:66
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     (0, Type::And, _) => format!("{}", TOP_CHAR).green().to_string(),
[INFO] [stdout]     |                                                                  ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:355:67
[INFO] [stdout]     |
[INFO] [stdout] 355 |                     Expression::Or(_) => format!(" {} ", OR_CHAR).yellow().to_string(),
[INFO] [stdout]     |                                                                   ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `green` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:361:65
[INFO] [stdout]     |
[INFO] [stdout] 361 |                     (0, Type::Or, _) => format!("{}", BOT_CHAR).green().to_string(),
[INFO] [stdout]     |                                                                 ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `green` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:360:66
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     (0, Type::And, _) => format!("{}", TOP_CHAR).green().to_string(),
[INFO] [stdout]     |                                                                  ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:370:48
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 IMPLIES_RIGHT_CHAR.to_string().yellow().to_string(),
[INFO] [stdout]     |                                                ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `green` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:361:65
[INFO] [stdout]     |
[INFO] [stdout] 361 |                     (0, Type::Or, _) => format!("{}", BOT_CHAR).green().to_string(),
[INFO] [stdout]     |                                                                 ^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:376:45
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 EQUIVALENT_CHAR.to_string().yellow().to_string(),
[INFO] [stdout]     |                                             ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:370:48
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 IMPLIES_RIGHT_CHAR.to_string().yellow().to_string(),
[INFO] [stdout]     |                                                ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `magenta` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:383:73
[INFO] [stdout]     |
[INFO] [stdout] 383 |                     Expression::Exists(_, _) => EXISTS_CHAR.to_string().magenta().to_string(),
[INFO] [stdout]     |                                                                         ^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `yellow` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:376:45
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 EQUIVALENT_CHAR.to_string().yellow().to_string(),
[INFO] [stdout]     |                                             ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `magenta` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:384:73
[INFO] [stdout]     |
[INFO] [stdout] 384 |                     Expression::ForAll(_, _) => FORALL_CHAR.to_string().magenta().to_string(),
[INFO] [stdout]     |                                                                         ^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `magenta` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:383:73
[INFO] [stdout]     |
[INFO] [stdout] 383 |                     Expression::Exists(_, _) => EXISTS_CHAR.to_string().magenta().to_string(),
[INFO] [stdout]     |                                                                         ^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `magenta` found for struct `String` in the current scope
[INFO] [stdout]    --> src/core/symbols.rs:384:73
[INFO] [stdout]     |
[INFO] [stdout] 384 |                     Expression::ForAll(_, _) => FORALL_CHAR.to_string().magenta().to_string(),
[INFO] [stdout]     |                                                                         ^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 33 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 33 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parser_learning` due to 34 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e406079dfdae27607b559ff13144cf10173547bd2ecf925c7ce8a3ad7d07b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e406079dfdae27607b559ff13144cf10173547bd2ecf925c7ce8a3ad7d07b82", kill_on_drop: false }`
[INFO] [stdout] 2e406079dfdae27607b559ff13144cf10173547bd2ecf925c7ce8a3ad7d07b82