[INFO] cloning repository https://github.com/GabrielDertoni/lambda-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielDertoni/lambda-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Flambda-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Flambda-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8cdcfa161e850613cbb5450aaaa6f42251af26d
[INFO] documenting GabrielDertoni/lambda-lang against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Flambda-lang" "/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/GabrielDertoni/lambda-lang 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/GabrielDertoni/lambda-lang
[INFO] finished tweaking git repo https://github.com/GabrielDertoni/lambda-lang
[INFO] tweaked toml for git repo https://github.com/GabrielDertoni/lambda-lang written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GabrielDertoni/lambda-lang 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]     Blocking waiting for file lock on package cache
[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] bb357875bf31d5b3930df6f769ac96b1ccbfe2a089d82d0b4c4968c6fe03ec66
[INFO] running `Command { std: "docker" "start" "-a" "bb357875bf31d5b3930df6f769ac96b1ccbfe2a089d82d0b4c4968c6fe03ec66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb357875bf31d5b3930df6f769ac96b1ccbfe2a089d82d0b4c4968c6fe03ec66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb357875bf31d5b3930df6f769ac96b1ccbfe2a089d82d0b4c4968c6fe03ec66", kill_on_drop: false }`
[INFO] [stdout] bb357875bf31d5b3930df6f769ac96b1ccbfe2a089d82d0b4c4968c6fe03ec66
[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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4510a2a7872f392d5637ed0de30a5ad84525b0ad78e48339596a763aaac928fa
[INFO] running `Command { std: "docker" "start" "-a" "4510a2a7872f392d5637ed0de30a5ad84525b0ad78e48339596a763aaac928fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]  Documenting lambda-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0437]: type `Ok` is not a member of trait `std::ops::Try`
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     type Ok = T;
[INFO] [stdout]   |     ^^^^^^^^^^^^ not a member of trait `std::ops::Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Error` is not a member of trait `std::ops::Try`
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     type Error = T;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ not a member of trait `std::ops::Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `into_result` is not a member of trait `std::ops::Try`
[INFO] [stdout]   --> src/utils.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout] 11 | |         match self {
[INFO] [stdout] 12 | |             Self::Continue(val) => Ok(val),
[INFO] [stdout] 13 | |             Self::Done(val) => Err(val),
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `std::ops::Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_ok` is not a member of trait `std::ops::Try`
[INFO] [stdout]   --> src/utils.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     fn from_ok(v: Self::Ok) -> Self {
[INFO] [stdout] 18 | |         Self::Continue(v)
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `std::ops::Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_error` is not a member of trait `std::ops::Try`
[INFO] [stdout]   --> src/utils.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     fn from_error(v: Self::Error) -> Self {
[INFO] [stdout] 22 | |         Self::Done(v)
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `std::ops::Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(array_windows)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(try_trait)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(hash_set_entry)]
[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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(str_split_once)]
[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:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(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:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(bindings_after_at)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `bindings_after_at` has been stable since `1.56.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(if_let_guard)]
[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:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(iterator_fold_self)]
[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:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(pattern)]
[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:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(box_syntax)]
[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:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(cell_update)]
[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:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(is_sorted)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self`
[INFO] [stdout]   --> src/utils.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]    |                                          ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `Self`
[INFO] [stdout]   --> src/utils.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]    |                                                    ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Ok` not found for `Self`
[INFO] [stdout]   --> src/utils.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn from_ok(v: Self::Ok) -> Self {
[INFO] [stdout]    |                         ^^ associated type `Ok` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `Self`
[INFO] [stdout]   --> src/utils.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn from_error(v: Self::Error) -> Self {
[INFO] [stdout]    |                            ^^^^^ associated type `Error` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Output`, `Residual`, `from_output`, `branch`
[INFO] [stdout]  --> src/utils.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl<T> std::ops::Try for TryFold<T> {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Output`, `Residual`, `from_output`, `branch` in implementation
[INFO] [stdout]   |
[INFO] [stdout]   = help: implement the missing item: `type Output = Type;`
[INFO] [stdout]   = help: implement the missing item: `type Residual = Type;`
[INFO] [stdout]   = help: implement the missing item: `fn from_output(_: <Self as std::ops::Try>::Output) -> Self { todo!() }`
[INFO] [stdout]   = help: implement the missing item: `fn branch(self) -> std::ops::ControlFlow<<Self as std::ops::Try>::Residual, <Self as std::ops::Try>::Output> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 22 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0220, E0407, E0437, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `lambda-compiler`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name lambda_compiler src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=0ee3f3842b4b2b31 -L dependency=/opt/rustwide/target/debug/deps --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-22a4cc98d521e0a3.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4510a2a7872f392d5637ed0de30a5ad84525b0ad78e48339596a763aaac928fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4510a2a7872f392d5637ed0de30a5ad84525b0ad78e48339596a763aaac928fa", kill_on_drop: false }`
[INFO] [stdout] 4510a2a7872f392d5637ed0de30a5ad84525b0ad78e48339596a763aaac928fa
