[INFO] cloning repository https://github.com/PhotonQuantum/l-lang-parser-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhotonQuantum/l-lang-parser-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fl-lang-parser-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fl-lang-parser-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 828b04f0164a163345e876106e3a5c636bcf24a5
[INFO] testing PhotonQuantum/l-lang-parser-rs against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Fl-lang-parser-rs" "/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/PhotonQuantum/l-lang-parser-rs 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/PhotonQuantum/l-lang-parser-rs
[INFO] finished tweaking git repo https://github.com/PhotonQuantum/l-lang-parser-rs
[INFO] tweaked toml for git repo https://github.com/PhotonQuantum/l-lang-parser-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PhotonQuantum/l-lang-parser-rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.50
[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] a65706f7c57ad254579d0f6d890eae4fb8c2f12fc2338e3ec4a47a6208e05d84
[INFO] running `Command { std: "docker" "start" "-a" "a65706f7c57ad254579d0f6d890eae4fb8c2f12fc2338e3ec4a47a6208e05d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a65706f7c57ad254579d0f6d890eae4fb8c2f12fc2338e3ec4a47a6208e05d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65706f7c57ad254579d0f6d890eae4fb8c2f12fc2338e3ec4a47a6208e05d84", kill_on_drop: false }`
[INFO] [stdout] a65706f7c57ad254579d0f6d890eae4fb8c2f12fc2338e3ec4a47a6208e05d84
[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] 902eb327515b4a4a338cedd19b917d9c374894316bf2ae2829db3f997c501803
[INFO] running `Command { std: "docker" "start" "-a" "902eb327515b4a4a338cedd19b917d9c374894316bf2ae2829db3f997c501803", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling toy_lang_parser_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_fold_self, box_syntax, box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_fold_self, box_syntax, box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_fold_self, box_syntax, box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map` in the current scope
[INFO] [stdout]   --> src/transpiler/ast.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |           let output = self
[INFO] [stdout]    |  ______________________-
[INFO] [stdout] 16 | |             .stmts
[INFO] [stdout] 17 | |             .iter()
[INFO] [stdout] 18 | |             .map(|x| x.to_string())
[INFO] [stdout] 19 | |             .fold_first(|x, y| format!("{}\n{}", x, y))
[INFO] [stdout]    | |             -^^^^^^^^^^ method not found in `Map<Iter<'_, CoqStmt>, [closure@ast.rs:18:18]>`
[INFO] [stdout]    | |_____________|
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::vec::IntoIter` in the current scope
[INFO] [stdout]   --> src/transpiler/ast.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   let output = expr_strs
[INFO] [stdout]    |  ______________________________-
[INFO] [stdout] 68 | |                     .into_iter()
[INFO] [stdout] 69 | |                     .fold_first(|x, y| format!("(app {} {})", x, y))
[INFO] [stdout]    | |                     -^^^^^^^^^^ method not found in `IntoIter<String>`
[INFO] [stdout]    | |_____________________|
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map` in the current scope
[INFO] [stdout]    --> src/transpiler/ast.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 115 |           let arg_output = arg_strs
[INFO] [stdout]     |  __________________________-
[INFO] [stdout] 116 | |             .into_iter()
[INFO] [stdout] 117 | |             .map(|x| format!("\"{}\"", x))
[INFO] [stdout] 118 | |             .fold_first(|x, y| format!("{}; {}", x, y))
[INFO] [stdout]     | |             -^^^^^^^^^^ method not found in `Map<IntoIter<String>, [closure@ast.rs:117:18]>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map` in the current scope
[INFO] [stdout]  --> src/transpiler/utils.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | /     input_str
[INFO] [stdout] 3 | |         .lines()
[INFO] [stdout] 4 | |         .into_iter()
[INFO] [stdout] 5 | |         .map(|x| format!("  {}", x))
[INFO] [stdout] 6 | |         .fold_first(|x, y| format!("{}\n{}", x, y))
[INFO] [stdout]   | |         -^^^^^^^^^^ method not found in `Map<Lines<'_>, [closure@utils.rs:5:14]>`
[INFO] [stdout]   | |_________|
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `toy_lang_parser_rs` due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "902eb327515b4a4a338cedd19b917d9c374894316bf2ae2829db3f997c501803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902eb327515b4a4a338cedd19b917d9c374894316bf2ae2829db3f997c501803", kill_on_drop: false }`
[INFO] [stdout] 902eb327515b4a4a338cedd19b917d9c374894316bf2ae2829db3f997c501803
