[INFO] updating cached repository https://github.com/alehander42/escher-rust
[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] 458ef2a4e8078c59a96b864e565340127a4f6c62
[INFO] testing alehander42/escher-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falehander42%2Fescher-rust" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alehander42/escher-rust 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/alehander42/escher-rust
[INFO] finished tweaking git repo https://github.com/alehander42/escher-rust
[INFO] tweaked toml for git repo https://github.com/alehander42/escher-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/alehander42/escher-rust 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] [stderr] warning: path `/workspace/builds/worker-14/source/src/escher.rs` was erroneously implicitly accepted for binary `escher`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9307ffcb28a94c0a993f90f22b8acdd00dbe797ecae620fe1bb4160bce8631f6
[INFO] running `"docker" "start" "-a" "9307ffcb28a94c0a993f90f22b8acdd00dbe797ecae620fe1bb4160bce8631f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/escher.rs` was erroneously implicitly accepted for binary `escher`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling escher v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]    --> src/parser.rs:127:22
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let mut number = 0u;
[INFO] [stderr]     |                      ^^ invalid suffix `u`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]    --> src/parser.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |     let mut index = 0u;
[INFO] [stderr]     |                     ^^ invalid suffix `u`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]    --> src/parser.rs:144:21
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let mut index = 0u;
[INFO] [stderr]     |                     ^^ invalid suffix `u`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]    --> src/parser.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |     let mut index = 0u;
[INFO] [stderr]     |                     ^^ invalid suffix `u`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: unknown format trait `s`
[INFO] [stderr]  --> src/parser.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let arg = format!("({:s})", source);
[INFO] [stderr]   |                           ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: the only appropriate formatting traits are:
[INFO] [stderr]           - ``, which uses the `Display` trait
[INFO] [stderr]           - `?`, which uses the `Debug` trait
[INFO] [stderr]           - `e`, which uses the `LowerExp` trait
[INFO] [stderr]           - `E`, which uses the `UpperExp` trait
[INFO] [stderr]           - `o`, which uses the `Octal` trait
[INFO] [stderr]           - `p`, which uses the `Pointer` trait
[INFO] [stderr]           - `b`, which uses the `Binary` trait
[INFO] [stderr]           - `x`, which uses the `LowerHex` trait
[INFO] [stderr]           - `X`, which uses the `UpperHex` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::ascii::StrAsciiExt`
[INFO] [stderr]  --> src/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ascii::StrAsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^-----------
[INFO] [stderr]   |     |           |
[INFO] [stderr]   |     |           help: a similar name exists in the module: `AsciiExt`
[INFO] [stderr]   |     no `StrAsciiExt` in `ascii`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]  --> src/sexp.rs:3:3
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[deriving(Eq, Show)]
[INFO] [stderr]   |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/sexp.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 | #[deriving(Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/sexp.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[deriving(Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/sexp.rs:44:3
[INFO] [stderr]    |
[INFO] [stderr] 44 | #[deriving(Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/sexp.rs:49:3
[INFO] [stderr]    |
[INFO] [stderr] 49 | #[deriving(Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `ListCell` in this scope
[INFO] [stderr]   --> src/parser.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 | ...                   ListCell(a) => {
[INFO] [stderr]    |                       ^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::ListCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `StringCell` in this scope
[INFO] [stderr]   --> src/parser.rs:47:41
[INFO] [stderr]    |
[INFO] [stderr] 47 | ...                   StringCell(b) => {
[INFO] [stderr]    |                       ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::StringCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `ListCell` in this scope
[INFO] [stderr]    --> src/parser.rs:115:42
[INFO] [stderr]     |
[INFO] [stderr] 115 |             return Ok(ParseResult{value: ListCell(list), left: left, signatures: HashMap::new()});
[INFO] [stderr]     |                                          ^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]     |
[INFO] [stderr] 1   | use sexp::Cell::ListCell;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `ListCell` in this scope
[INFO] [stderr]    --> src/parser.rs:122:34
[INFO] [stderr]     |
[INFO] [stderr] 122 |     return Ok(ParseResult{value: ListCell(list), left: left, signatures: HashMap::new()});
[INFO] [stderr]     |                                  ^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]     |
[INFO] [stderr] 1   | use sexp::Cell::ListCell;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `IntCell` in this scope
[INFO] [stderr]    --> src/parser.rs:139:31
[INFO] [stderr]     |
[INFO] [stderr] 139 |     return ParseResult{value: IntCell(number), left: source.slice_from(index).to_string(), signatures: HashMap::new()}
[INFO] [stderr]     |                               ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]     |
[INFO] [stderr] 1   | use sexp::Cell::IntCell;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `IdentCell` in this scope
[INFO] [stderr]    --> src/parser.rs:150:31
[INFO] [stderr]     |
[INFO] [stderr] 150 |     return ParseResult{value: IdentCell(label), left: source.slice_from(index).to_string(), signatures: HashMap::new()}
[INFO] [stderr]     |                               ^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]     |
[INFO] [stderr] 1   | use sexp::Cell::IdentCell;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `StringCell` in this scope
[INFO] [stderr]    --> src/parser.rs:162:31
[INFO] [stderr]     |
[INFO] [stderr] 162 |     return ParseResult{value: StringCell(label), left: source.slice_from(index + 1).to_string(), signatures: HashMap::new()}
[INFO] [stderr]     |                               ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]     |
[INFO] [stderr] 1   | use sexp::Cell::StringCell;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `IdentCell` in this scope
[INFO] [stderr]    --> src/parser.rs:177:21
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     IdentCell(label) => {
[INFO] [stderr]     |                     ^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]     |
[INFO] [stderr] 1   | use sexp::Cell::IdentCell;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]  --> src/sexp.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     IntCell(uint),
[INFO] [stderr]   |             ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `IntCell` in this scope
[INFO] [stderr]   --> src/sexp.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |             (IntCell(a), IntCell(b)) => {
[INFO] [stderr]    |              ^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::IntCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `IntCell` in this scope
[INFO] [stderr]   --> src/sexp.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |             (IntCell(a), IntCell(b)) => {
[INFO] [stderr]    |                          ^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::IntCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `StringCell` in this scope
[INFO] [stderr]   --> src/sexp.rs:17:14
[INFO] [stderr]    |
[INFO] [stderr] 17 |             (StringCell(a), StringCell(b)) => {
[INFO] [stderr]    |              ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::StringCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `StringCell` in this scope
[INFO] [stderr]   --> src/sexp.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 |             (StringCell(a), StringCell(b)) => {
[INFO] [stderr]    |                             ^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::StringCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `IdentCell` in this scope
[INFO] [stderr]   --> src/sexp.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |             (IdentCell(a), IdentCell(b)) => {
[INFO] [stderr]    |              ^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::IdentCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `IdentCell` in this scope
[INFO] [stderr]   --> src/sexp.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 |             (IdentCell(a), IdentCell(b)) => {
[INFO] [stderr]    |                            ^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::IdentCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `ListCell` in this scope
[INFO] [stderr]   --> src/sexp.rs:23:14
[INFO] [stderr]    |
[INFO] [stderr] 23 |             (ListCell(a), ListCell(b)) => {
[INFO] [stderr]    |              ^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::ListCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct or tuple variant `ListCell` in this scope
[INFO] [stderr]   --> src/sexp.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |             (ListCell(a), ListCell(b)) => {
[INFO] [stderr]    |                           ^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this tuple variant
[INFO] [stderr]    |
[INFO] [stderr] 1  | use sexp::Cell::ListCell;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/escher.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(globs)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0616]: field `sexp` of struct `sexp::Sexp` is private
[INFO] [stderr]  --> src/escher.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 |         Ok(a) => { println!("{}", a.sexp); }
[INFO] [stderr]   |                                     ^^^^ private field
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `sexp::Cell` doesn't implement `std::fmt::Display`
[INFO] [stderr]  --> src/escher.rs:7:35
[INFO] [stderr]   |
[INFO] [stderr] 7 |         Ok(a) => { println!("{}", a.sexp); }
[INFO] [stderr]   |                                   ^^^^^^ `sexp::Cell` cannot be formatted with the default formatter
[INFO] [stderr]   |
[INFO] [stderr]   = help: the trait `std::fmt::Display` is not implemented for `sexp::Cell`
[INFO] [stderr]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stderr]   = note: required by `std::fmt::Display::fmt`
[INFO] [stderr]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]  --> src/parser.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let cells = parse_cells(arg.as_slice());
[INFO] [stderr]   |                                 ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stderr]   --> src/parser.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let first = trimmed_source.char_at(0);
[INFO] [stderr]    |                                ^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stderr]   --> src/parser.rs:35:48
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let l = parse_signature(trimmed_source.slice_from(1));
[INFO] [stderr]    |                                                ^^^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 let next = m.left.as_slice().trim();
[INFO] [stderr]    |                                   ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stderr]   --> src/parser.rs:81:42
[INFO] [stderr]    |
[INFO] [stderr] 81 |         return parse_list(trimmed_source.slice_from(1));
[INFO] [stderr]    |                                          ^^^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stderr]   --> src/parser.rs:84:47
[INFO] [stderr]    |
[INFO] [stderr] 84 |         return Ok(parse_string(trimmed_source.slice_from(1)));
[INFO] [stderr]    |                                               ^^^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stderr]   --> src/parser.rs:98:36
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut first = trimmed_source.char_at(0);
[INFO] [stderr]    |                                    ^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:99:28
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let mut left = String::from_str(trimmed_source);
[INFO] [stderr]    |                            ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]            `use std::str::FromStr;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:129:42
[INFO] [stderr]     |
[INFO] [stderr] 129 |     while index < source.len() && source.char_at(index).is_digit() {
[INFO] [stderr]     |                                          ^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:130:28
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let digit = source.char_at(index).to_digit(10);
[INFO] [stderr]     |                            ^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:139:61
[INFO] [stderr]     |
[INFO] [stderr] 139 |     return ParseResult{value: IntCell(number), left: source.slice_from(index).to_string(), signatures: HashMap::new()}
[INFO] [stderr]     |                                                             ^^^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for struct `std::string::String` in the current scope
[INFO] [stderr]    --> src/parser.rs:143:29
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let mut label = String::from_str("");
[INFO] [stderr]     |                             ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use std::str::FromStr;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:146:42
[INFO] [stderr]     |
[INFO] [stderr] 146 |     while index < source.len() && source.char_at(index) != ' ' {
[INFO] [stderr]     |                                          ^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:147:32
[INFO] [stderr]     |
[INFO] [stderr] 147 |         label.push_char(source.char_at(index));
[INFO] [stderr]     |                                ^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:150:62
[INFO] [stderr]     |
[INFO] [stderr] 150 |     return ParseResult{value: IdentCell(label), left: source.slice_from(index).to_string(), signatures: HashMap::new()}
[INFO] [stderr]     |                                                              ^^^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for struct `std::string::String` in the current scope
[INFO] [stderr]    --> src/parser.rs:155:29
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let mut label = String::from_str("");
[INFO] [stderr]     |                             ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use std::str::FromStr;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:158:42
[INFO] [stderr]     |
[INFO] [stderr] 158 |     while index < source.len() && source.char_at(index) != '"' {
[INFO] [stderr]     |                                          ^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:159:32
[INFO] [stderr]     |
[INFO] [stderr] 159 |         label.push_char(source.char_at(index));
[INFO] [stderr]     |                                ^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:162:63
[INFO] [stderr]     |
[INFO] [stderr] 162 |     return ParseResult{value: StringCell(label), left: source.slice_from(index + 1).to_string(), signatures: HashMap::new()}
[INFO] [stderr]     |                                                               ^^^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stderr]    --> src/parser.rs:169:36
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let mut first = trimmed_source.char_at(0);
[INFO] [stderr]     |                                    ^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for struct `std::string::String` in the current scope
[INFO] [stderr]    --> src/parser.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |     let mut left = String::from_str(trimmed_source);
[INFO] [stderr]     |                            ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use std::str::FromStr;`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: can't compare `sexp::ParameterType` with `sexp::ParameterType`
[INFO] [stderr]    --> src/parser.rs:181:45
[INFO] [stderr]     |
[INFO] [stderr] 181 |                         else if !parameters.contains(&label) {
[INFO] [stderr]     |                                             ^^^^^^^^ no implementation for `sexp::ParameterType == sexp::ParameterType`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::cmp::PartialEq` is not implemented for `sexp::ParameterType`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 53 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0412, E0425, E0432, E0531, E0554, E0599, E0616.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `escher`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9307ffcb28a94c0a993f90f22b8acdd00dbe797ecae620fe1bb4160bce8631f6"`
[INFO] running `"docker" "rm" "-f" "9307ffcb28a94c0a993f90f22b8acdd00dbe797ecae620fe1bb4160bce8631f6"`
[INFO] [stdout] 9307ffcb28a94c0a993f90f22b8acdd00dbe797ecae620fe1bb4160bce8631f6