[INFO] cloning repository https://github.com/lukahasch/stream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukahasch/stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fstream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fstream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e00f7caf0fea8963bf1732bcf364c79e1efcffd5
[INFO] fixing lukahasch/stream against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fstream" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukahasch/stream
[INFO] finished tweaking git repo https://github.com/lukahasch/stream
[INFO] tweaked toml for git repo https://github.com/lukahasch/stream written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukahasch/stream on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukahasch/stream 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui-input v0.14.0
[INFO] [stderr]   Downloaded malloc_size_of v0.1.1
[INFO] [stderr]   Downloaded instability v0.3.9
[INFO] [stderr]   Downloaded thiserror-impl v2.0.16
[INFO] [stderr]   Downloaded thiserror v2.0.16
[INFO] [stderr]   Downloaded fd-lock v4.0.4
[INFO] [stderr]   Downloaded clone_dyn_types v0.40.0
[INFO] [stderr]   Downloaded symbolic_expressions v5.0.3
[INFO] [stderr]   Downloaded saturating v0.1.0
[INFO] [stderr]   Downloaded symbol_table v0.4.0
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.2.1
[INFO] [stderr]   Downloaded ariadne v0.5.1
[INFO] [stderr]   Downloaded nucleo-matcher v0.3.1
[INFO] [stderr]   Downloaded vte v0.14.1
[INFO] [stderr]   Downloaded iter_tools v0.39.0
[INFO] [stderr]   Downloaded reedline v0.43.0
[INFO] [stderr]   Downloaded egg v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0448b7a0be94fe70f7263c01b401824c4dcae769fab46ecbfca0daebe7a2a659
[INFO] running `Command { std: "docker" "start" "0448b7a0be94fe70f7263c01b401824c4dcae769fab46ecbfca0daebe7a2a659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0448b7a0be94fe70f7263c01b401824c4dcae769fab46ecbfca0daebe7a2a659" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0448b7a0be94fe70f7263c01b401824c4dcae769fab46ecbfca0daebe7a2a659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0448b7a0be94fe70f7263c01b401824c4dcae769fab46ecbfca0daebe7a2a659" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking arbitrary v1.4.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking malloc_size_of v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling logos-codegen v0.15.1
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling instability v0.3.9
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking compact_str v0.8.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking vte v0.14.1
[INFO] [stderr]     Checking unicode-truncate v1.1.0
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking strip-ansi-escapes v0.2.1
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking symbol_table v0.4.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking saturating v0.1.0
[INFO] [stderr]     Checking symbolic_expressions v5.0.3
[INFO] [stderr]     Checking clone_dyn_types v0.40.0
[INFO] [stderr]     Checking ariadne v0.5.1
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking ordered-float v5.1.0
[INFO] [stderr]     Checking nucleo-matcher v0.3.1
[INFO] [stderr]     Checking generational-arena v0.2.9
[INFO] [stderr]     Checking fern v0.7.1
[INFO] [stderr]     Checking iter_tools v0.39.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling logos-derive v0.15.1
[INFO] [stderr]     Checking logos v0.15.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking rustix v0.38.44
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking ratatui v0.29.0
[INFO] [stderr]     Checking quanta v0.12.6
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking egg v0.10.0
[INFO] [stderr]     Checking reedline v0.43.0
[INFO] [stderr]     Checking tui-input v0.14.0
[INFO] [stderr]     Checking nomos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find type `ParseContext` in this scope
[INFO] [stdout]    --> src/error/mod.rs:272:61
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn exp_found(expected: Expected, found: Token, px: &ParseContext) -> Self {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::parser::lib::ParseContext;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `explicit_tail_calls` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     explicit_tail_calls
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #112788 <https://github.com/rust-lang/rust/issues/112788> for more information
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EGraph`
[INFO] [stdout]   --> src/lib.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | use egg::{EGraph, Id};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::OrderedFloat`
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use ordered_float::OrderedFloat;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::Discriminant`
[INFO] [stdout]  --> src/impls/language.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::Discriminant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Id` and `Language`
[INFO] [stdout]  --> src/impls/language.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use egg::{Id, Language};
[INFO] [stdout]   |           ^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Term` and `error::Spanned`
[INFO] [stdout]  --> src/impls/language.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{Term, error::Spanned};
[INFO] [stdout]   |             ^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::FromResidual`
[INFO] [stdout]  --> src/impls/try.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::FromResidual;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::lib::Output`
[INFO] [stdout]  --> src/impls/try.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parser::lib::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Output`, `ParseContext`, `Parser`, `Pattern`, and `Spanned`
[INFO] [stdout]  --> src/parser/mod.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Context, Node, Pattern, Term,
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 3 |     error::{Error, Spanned},
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 4 |     parser::lib::{Output, ParseContext, Parser},
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ariadne::Cache`
[INFO] [stdout]  --> src/parser/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ariadne::Cache;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `ParseContext` in this scope
[INFO] [stdout]    --> src/error/mod.rs:272:61
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn exp_found(expected: Expected, found: Token, px: &ParseContext) -> Self {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::parser::lib::ParseContext;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `explicit_tail_calls` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     explicit_tail_calls
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #112788 <https://github.com/rust-lang/rust/issues/112788> for more information
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EGraph`
[INFO] [stdout]   --> src/lib.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | use egg::{EGraph, Id};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if_let_guard,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::OrderedFloat`
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use ordered_float::OrderedFloat;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::Discriminant`
[INFO] [stdout]  --> src/impls/language.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::Discriminant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Id` and `Language`
[INFO] [stdout]  --> src/impls/language.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use egg::{Id, Language};
[INFO] [stdout]   |           ^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Term` and `error::Spanned`
[INFO] [stdout]  --> src/impls/language.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{Term, error::Spanned};
[INFO] [stdout]   |             ^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::FromResidual`
[INFO] [stdout]  --> src/impls/try.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::FromResidual;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::lib::Output`
[INFO] [stdout]  --> src/impls/try.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parser::lib::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Output`, `ParseContext`, `Parser`, `Pattern`, and `Spanned`
[INFO] [stdout]  --> src/parser/mod.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Context, Node, Pattern, Term,
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 3 |     error::{Error, Spanned},
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 4 |     parser::lib::{Output, ParseContext, Parser},
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ariadne::Cache`
[INFO] [stdout]  --> src/parser/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ariadne::Cache;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if_let_guard,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `lib::Output<!>: Residual<T>` is not satisfied
[INFO] [stdout]    --> src/parser/lib.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 |     type Residual = Output<!>;
[INFO] [stdout]     |                     ^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Residual<T>` is not implemented for `lib::Output<!>`
[INFO] [stdout]    --> src/parser/lib.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | pub enum Output<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the following other types implement trait `Residual<O>`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/option.rs:2810:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Option<Infallible>`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/result.rs:2208:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Result<Infallible, E>`
[INFO] [stdout] note: required by a bound in `std::ops::Try::Residual`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/ops/try_trait.rs:160:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `lib::Output<!>: Residual<T>` is not satisfied
[INFO] [stdout]    --> src/parser/lib.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 |     type Residual = Output<!>;
[INFO] [stdout]     |                     ^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Residual<T>` is not implemented for `lib::Output<!>`
[INFO] [stdout]    --> src/parser/lib.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | pub enum Output<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: the following other types implement trait `Residual<O>`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/option.rs:2810:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Option<Infallible>`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/result.rs:2208:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Result<Infallible, E>`
[INFO] [stdout] note: required by a bound in `std::ops::Try::Residual`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/ops/try_trait.rs:160:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/impls/arrangement.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn update_children(&mut self, f: impl FnMut(ChildID) -> ChildID) {
[INFO] [stdout]   |                                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/impls/arrangement.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn update_children(&mut self, f: impl FnMut(ChildID) -> ChildID) {
[INFO] [stdout]   |                                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `px`
[INFO] [stdout]    --> src/parser/lib.rs:174:11
[INFO] [stdout]     |
[INFO] [stdout] 174 |     move |px: &mut ParseContext| todo!()
[INFO] [stdout]     |           ^^ help: if this is intentional, prefix it with an underscore: `_px`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/parser/lib.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn just(t: Token) -> impl Parser<Output = Token> {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/parser/mod.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse(ctx: &mut Context, source: &'static str) -> Result<Node<Term>, Vec<Error>> {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/parser/mod.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse(ctx: &mut Context, source: &'static str) -> Result<Node<Term>, Vec<Error>> {
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/lib.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn parse(&mut self, source: &'static str) -> Result<Spanned<Term>, Vec<Error>> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `px`
[INFO] [stdout]    --> src/parser/lib.rs:174:11
[INFO] [stdout]     |
[INFO] [stdout] 174 |     move |px: &mut ParseContext| todo!()
[INFO] [stdout]     |           ^^ help: if this is intentional, prefix it with an underscore: `_px`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/parser/lib.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn just(t: Token) -> impl Parser<Output = Token> {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/parser/mod.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse(ctx: &mut Context, source: &'static str) -> Result<Node<Term>, Vec<Error>> {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/parser/mod.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse(ctx: &mut Context, source: &'static str) -> Result<Node<Term>, Vec<Error>> {
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nomos` (lib test) due to 2 previous errors; 17 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/lib.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn parse(&mut self, source: &'static str) -> Result<Spanned<Term>, Vec<Error>> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nomos` (lib) due to 2 previous errors; 17 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0448b7a0be94fe70f7263c01b401824c4dcae769fab46ecbfca0daebe7a2a659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0448b7a0be94fe70f7263c01b401824c4dcae769fab46ecbfca0daebe7a2a659", kill_on_drop: false }`
[INFO] [stdout] 0448b7a0be94fe70f7263c01b401824c4dcae769fab46ecbfca0daebe7a2a659
