[INFO] cloning repository https://github.com/alehander42/escher-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alehander42/escher-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falehander42%2Fescher-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falehander42%2Fescher-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 458ef2a4e8078c59a96b864e565340127a4f6c62
[INFO] testing alehander42/escher-rust against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falehander42%2Fescher-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alehander42/escher-rust on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alehander42/escher-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-7-tc1/source/src/escher.rs` was erroneously implicitly accepted for binary `escher`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e09f68208446a098a00339ad88110c692718b7e19224b1c191e7fe30ce11eec
[INFO] running `Command { std: "docker" "start" "-a" "1e09f68208446a098a00339ad88110c692718b7e19224b1c191e7fe30ce11eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e09f68208446a098a00339ad88110c692718b7e19224b1c191e7fe30ce11eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e09f68208446a098a00339ad88110c692718b7e19224b1c191e7fe30ce11eec", kill_on_drop: false }`
[INFO] [stdout] 1e09f68208446a098a00339ad88110c692718b7e19224b1c191e7fe30ce11eec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a295cb1c10d5396f3c45df39229714f20c1587f6e3d3de52440fde42ffc61ab3
[INFO] running `Command { std: "docker" "start" "-a" "a295cb1c10d5396f3c45df39229714f20c1587f6e3d3de52440fde42ffc61ab3", kill_on_drop: false }`
[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] [stdout] error: unknown format trait `s`
[INFO] [stdout]  --> src/parser.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let arg = format!("({:s})", source);
[INFO] [stdout]   |                           ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the only appropriate formatting traits are:
[INFO] [stdout]           - ``, which uses the `Display` trait
[INFO] [stdout]           - `?`, which uses the `Debug` trait
[INFO] [stdout]           - `e`, which uses the `LowerExp` trait
[INFO] [stdout]           - `E`, which uses the `UpperExp` trait
[INFO] [stdout]           - `o`, which uses the `Octal` trait
[INFO] [stdout]           - `p`, which uses the `Pointer` trait
[INFO] [stdout]           - `b`, which uses the `Binary` trait
[INFO] [stdout]           - `x`, which uses the `LowerHex` trait
[INFO] [stdout]           - `X`, which uses the `UpperHex` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ascii::StrAsciiExt`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ascii::StrAsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^-----------
[INFO] [stdout]   |     |           |
[INFO] [stdout]   |     |           help: a similar name exists in the module: `AsciiExt`
[INFO] [stdout]   |     no `StrAsciiExt` in `ascii`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]  --> src/sexp.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[deriving(Eq, Show)]
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/sexp.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[deriving(Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/sexp.rs:39:3
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[deriving(Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/sexp.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[deriving(Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/sexp.rs:49:3
[INFO] [stdout]    |
[INFO] [stdout] 49 | #[deriving(Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `ListCell` in this scope
[INFO] [stdout]   --> src/parser.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   ListCell(a) => {
[INFO] [stdout]    |                       ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::ListCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `StringCell` in this scope
[INFO] [stdout]   --> src/parser.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 | ...                   StringCell(b) => {
[INFO] [stdout]    |                       ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::StringCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `ListCell` in this scope
[INFO] [stdout]    --> src/parser.rs:115:42
[INFO] [stdout]     |
[INFO] [stdout] 115 |             return Ok(ParseResult{value: ListCell(list), left: left, signatures: HashMap::new()});
[INFO] [stdout]     |                                          ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 1   | use sexp::Cell::ListCell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `ListCell` in this scope
[INFO] [stdout]    --> src/parser.rs:122:34
[INFO] [stdout]     |
[INFO] [stdout] 122 |     return Ok(ParseResult{value: ListCell(list), left: left, signatures: HashMap::new()});
[INFO] [stdout]     |                                  ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 1   | use sexp::Cell::ListCell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `IntCell` in this scope
[INFO] [stdout]    --> src/parser.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |     return ParseResult{value: IntCell(number), left: source.slice_from(index).to_string(), signatures: HashMap::new()}
[INFO] [stdout]     |                               ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 1   | use sexp::Cell::IntCell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `IdentCell` in this scope
[INFO] [stdout]    --> src/parser.rs:150:31
[INFO] [stdout]     |
[INFO] [stdout] 150 |     return ParseResult{value: IdentCell(label), left: source.slice_from(index).to_string(), signatures: HashMap::new()}
[INFO] [stdout]     |                               ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 1   | use sexp::Cell::IdentCell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `StringCell` in this scope
[INFO] [stdout]    --> src/parser.rs:162:31
[INFO] [stdout]     |
[INFO] [stdout] 162 |     return ParseResult{value: StringCell(label), left: source.slice_from(index + 1).to_string(), signatures: HashMap::new()}
[INFO] [stdout]     |                               ^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 1   | use sexp::Cell::StringCell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `IdentCell` in this scope
[INFO] [stdout]    --> src/parser.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |                     IdentCell(label) => {
[INFO] [stdout]     |                     ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 1   | use sexp::Cell::IdentCell;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]  --> src/sexp.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     IntCell(uint),
[INFO] [stdout]   |             ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `IntCell` in this scope
[INFO] [stdout]   --> src/sexp.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |             (IntCell(a), IntCell(b)) => {
[INFO] [stdout]    |              ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::IntCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `IntCell` in this scope
[INFO] [stdout]   --> src/sexp.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |             (IntCell(a), IntCell(b)) => {
[INFO] [stdout]    |                          ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::IntCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `StringCell` in this scope
[INFO] [stdout]   --> src/sexp.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |             (StringCell(a), StringCell(b)) => {
[INFO] [stdout]    |              ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::StringCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `StringCell` in this scope
[INFO] [stdout]   --> src/sexp.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |             (StringCell(a), StringCell(b)) => {
[INFO] [stdout]    |                             ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::StringCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `IdentCell` in this scope
[INFO] [stdout]   --> src/sexp.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |             (IdentCell(a), IdentCell(b)) => {
[INFO] [stdout]    |              ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::IdentCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `IdentCell` in this scope
[INFO] [stdout]   --> src/sexp.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |             (IdentCell(a), IdentCell(b)) => {
[INFO] [stdout]    |                            ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::IdentCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `ListCell` in this scope
[INFO] [stdout]   --> src/sexp.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 |             (ListCell(a), ListCell(b)) => {
[INFO] [stdout]    |              ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::ListCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `ListCell` in this scope
[INFO] [stdout]   --> src/sexp.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |             (ListCell(a), ListCell(b)) => {
[INFO] [stdout]    |                           ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 1  | use sexp::Cell::ListCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/escher.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(globs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `globs` has been stable since `1.0.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/parser.rs:127:22
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut number = 0u;
[INFO] [stdout]     |                      ^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/parser.rs:128:21
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut index = 0u;
[INFO] [stdout]     |                     ^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/parser.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let mut index = 0u;
[INFO] [stdout]     |                     ^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/parser.rs:156:21
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut index = 0u;
[INFO] [stdout]     |                     ^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `globs` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/escher.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(globs)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]  --> src/parser.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let cells = parse_cells(arg.as_slice());
[INFO] [stdout]   |                                 ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/parser.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let first = trimmed_source.char_at(0);
[INFO] [stdout]    |                                ^^^^^^^ help: there is a method with a similar name: `chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/parser.rs:35:48
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let l = parse_signature(trimmed_source.slice_from(1));
[INFO] [stdout]    |                                                ^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/parser.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let next = m.left.as_slice().trim();
[INFO] [stdout]    |                                   ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/parser.rs:81:42
[INFO] [stdout]    |
[INFO] [stdout] 81 |         return parse_list(trimmed_source.slice_from(1));
[INFO] [stdout]    |                                          ^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/parser.rs:84:47
[INFO] [stdout]    |
[INFO] [stdout] 84 |         return Ok(parse_string(trimmed_source.slice_from(1)));
[INFO] [stdout]    |                                               ^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/parser.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut first = trimmed_source.char_at(0);
[INFO] [stdout]    |                                    ^^^^^^^ help: there is a method with a similar name: `chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> src/parser.rs:99:28
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut left = String::from_str(trimmed_source);
[INFO] [stdout]    |                            ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:129:42
[INFO] [stdout]     |
[INFO] [stdout] 129 |     while index < source.len() && source.char_at(index).is_digit() {
[INFO] [stdout]     |                                          ^^^^^^^ help: there is a method with a similar name: `chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:130:28
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let digit = source.char_at(index).to_digit(10);
[INFO] [stdout]     |                            ^^^^^^^ help: there is a method with a similar name: `chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:139:61
[INFO] [stdout]     |
[INFO] [stdout] 139 |     return ParseResult{value: IntCell(number), left: source.slice_from(index).to_string(), signatures: HashMap::new()}
[INFO] [stdout]     |                                                             ^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]    --> src/parser.rs:143:29
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let mut label = String::from_str("");
[INFO] [stdout]     |                             ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::str::FromStr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:146:42
[INFO] [stdout]     |
[INFO] [stdout] 146 |     while index < source.len() && source.char_at(index) != ' ' {
[INFO] [stdout]     |                                          ^^^^^^^ help: there is a method with a similar name: `chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |         label.push_char(source.char_at(index));
[INFO] [stdout]     |                                ^^^^^^^ help: there is a method with a similar name: `chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:150:62
[INFO] [stdout]     |
[INFO] [stdout] 150 |     return ParseResult{value: IdentCell(label), left: source.slice_from(index).to_string(), signatures: HashMap::new()}
[INFO] [stdout]     |                                                              ^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]    --> src/parser.rs:155:29
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let mut label = String::from_str("");
[INFO] [stdout]     |                             ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::str::FromStr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:158:42
[INFO] [stdout]     |
[INFO] [stdout] 158 |     while index < source.len() && source.char_at(index) != '"' {
[INFO] [stdout]     |                                          ^^^^^^^ help: there is a method with a similar name: `chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:159:32
[INFO] [stdout]     |
[INFO] [stdout] 159 |         label.push_char(source.char_at(index));
[INFO] [stdout]     |                                ^^^^^^^ help: there is a method with a similar name: `chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_from` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:162:63
[INFO] [stdout]     |
[INFO] [stdout] 162 |     return ParseResult{value: StringCell(label), left: source.slice_from(index + 1).to_string(), signatures: HashMap::new()}
[INFO] [stdout]     |                                                               ^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/parser.rs:169:36
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut first = trimmed_source.char_at(0);
[INFO] [stdout]     |                                    ^^^^^^^ help: there is a method with a similar name: `chars`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]    --> src/parser.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let mut left = String::from_str(trimmed_source);
[INFO] [stdout]     |                            ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::str::FromStr;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `sexp::ParameterType` with `sexp::ParameterType`
[INFO] [stdout]    --> src/parser.rs:181:45
[INFO] [stdout]     |
[INFO] [stdout] 181 |                         else if !parameters.contains(&label) {
[INFO] [stdout]     |                                             ^^^^^^^^ no implementation for `sexp::ParameterType == sexp::ParameterType`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq` is not implemented for `sexp::ParameterType`
[INFO] [stdout] note: required by a bound in `core::slice::<impl [T]>::contains`
[INFO] [stdout]    --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/slice/mod.rs:2244:5
[INFO] [stdout] help: consider annotating `sexp::ParameterType` with `#[derive(PartialEq)]`
[INFO] [stdout]    --> src/sexp.rs:45:1
[INFO] [stdout]     |
[INFO] [stdout] 45  | #[derive(PartialEq)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `sexp` of struct `sexp::Sexp` is private
[INFO] [stdout]  --> src/escher.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |         Ok(a) => { println!("{}", a.sexp); }
[INFO] [stdout]   |                                     ^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 52 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0425, E0432, E0531, E0554, E0599, E0616.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `escher` due to 53 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a295cb1c10d5396f3c45df39229714f20c1587f6e3d3de52440fde42ffc61ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a295cb1c10d5396f3c45df39229714f20c1587f6e3d3de52440fde42ffc61ab3", kill_on_drop: false }`
[INFO] [stdout] a295cb1c10d5396f3c45df39229714f20c1587f6e3d3de52440fde42ffc61ab3
