[INFO] fetching crate marlowe_lang 0.3.2...
[INFO] testing marlowe_lang-0.3.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate marlowe_lang 0.3.2 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate marlowe_lang 0.3.2
[INFO] finished tweaking crates.io crate marlowe_lang 0.3.2
[INFO] tweaked toml for crates.io crate marlowe_lang 0.3.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate marlowe_lang 0.3.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate marlowe_lang 0.3.2 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c927df62aa5fa9e2368f80a535adf7dc836b78e1a0ce84bedefc1f17cee9dd3d
[INFO] running `Command { std: "docker" "start" "-a" "c927df62aa5fa9e2368f80a535adf7dc836b78e1a0ce84bedefc1f17cee9dd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c927df62aa5fa9e2368f80a535adf7dc836b78e1a0ce84bedefc1f17cee9dd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c927df62aa5fa9e2368f80a535adf7dc836b78e1a0ce84bedefc1f17cee9dd3d", kill_on_drop: false }`
[INFO] [stdout] c927df62aa5fa9e2368f80a535adf7dc836b78e1a0ce84bedefc1f17cee9dd3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acac3b6e3d8a45fa966c58c8ae5b4ae883db1d5a850e5639e198edea9b3db98c
[INFO] running `Command { std: "docker" "start" "-a" "acac3b6e3d8a45fa966c58c8ae5b4ae883db1d5a850e5639e198edea9b3db98c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.171
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[INFO] [stderr]    Compiling static_assertions v1.1.0
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[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling time v0.3.23
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.26
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[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling clap_builder v4.3.13
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling minicbor-derive v0.13.0
[INFO] [stderr]    Compiling plutus_data_derive v0.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling pest v2.7.1
[INFO] [stderr]    Compiling clap v4.3.13
[INFO] [stderr]    Compiling pest_meta v2.7.1
[INFO] [stderr]    Compiling pest_generator v2.7.1
[INFO] [stderr]    Compiling pest_derive v2.7.1
[INFO] [stderr]    Compiling pallas-codec v0.18.1
[INFO] [stderr]    Compiling serde_stacker v0.1.10
[INFO] [stderr]    Compiling pallas-crypto v0.18.1
[INFO] [stderr]    Compiling pallas-multiplexer v0.18.1
[INFO] [stderr]    Compiling pallas-addresses v0.18.1
[INFO] [stderr]    Compiling pallas-miniprotocols v0.18.1
[INFO] [stderr]    Compiling pallas-primitives v0.18.1
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stderr]    Compiling pallas-traverse v0.18.1
[INFO] [stderr]    Compiling pallas v0.18.1
[INFO] [stderr]    Compiling plutus_data v0.0.91
[INFO] [stderr]    Compiling marlowe_lang v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |         if  let Some(inp) = input_from_party &&
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let Some(tdp) = that_deposits &&
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             let Some(oft) = of_token &&
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |             let Some(int) = into_account  {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         if  let Some(chosen_number) = input_that_chooses_num &&
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             let Some(choice_id) = for_choice_id 
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 321 |         if let Some(from) = from && let Some(to) = to {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:321:37
[INFO] [stdout]     |
[INFO] [stdout] 321 |         if let Some(from) = from && let Some(to) = to {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:743:12
[INFO] [stdout]     |
[INFO] [stdout] 743 |         if let Some(accs) = accounts &&
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:744:13
[INFO] [stdout]     |
[INFO] [stdout] 744 |             let Some(choi) = choices &&
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:745:13
[INFO] [stdout]     |
[INFO] [stdout] 745 |             let Some(boun) = bound_values &&
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:746:13
[INFO] [stdout]     |
[INFO] [stdout] 746 |             let Some(min) = min_time {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:868:12
[INFO] [stdout]     |
[INFO] [stdout] 868 |         if let Some(a) = both && let Some(b) = and {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:868:34
[INFO] [stdout]     |
[INFO] [stdout] 868 |         if let Some(a) = both && let Some(b) = and {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:873:12
[INFO] [stdout]     |
[INFO] [stdout] 873 |         if let Some(a) = either && let Some(b) = or {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:873:36
[INFO] [stdout]     |
[INFO] [stdout] 873 |         if let Some(a) = either && let Some(b) = or {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:891:12
[INFO] [stdout]     |
[INFO] [stdout] 891 |         if let Some(a) = &value && let Some(b) = ge_than {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:891:36
[INFO] [stdout]     |
[INFO] [stdout] 891 |         if let Some(a) = &value && let Some(b) = ge_than {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:899:12
[INFO] [stdout]     |
[INFO] [stdout] 899 |         if let Some(a) = &value && let Some(b) = gt {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:899:36
[INFO] [stdout]     |
[INFO] [stdout] 899 |         if let Some(a) = &value && let Some(b) = gt {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:907:12
[INFO] [stdout]     |
[INFO] [stdout] 907 |         if let Some(a) = &value && let Some(b) = lt {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:907:36
[INFO] [stdout]     |
[INFO] [stdout] 907 |         if let Some(a) = &value && let Some(b) = lt {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:915:12
[INFO] [stdout]     |
[INFO] [stdout] 915 |         if let Some(a) = &value && let Some(b) = le_then {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:915:36
[INFO] [stdout]     |
[INFO] [stdout] 915 |         if let Some(a) = &value && let Some(b) = le_then {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:923:12
[INFO] [stdout]     |
[INFO] [stdout] 923 |         if let Some(a) = &value && let Some(b) = equal_to {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib/deserialization/json.rs:923:36
[INFO] [stdout]     |
[INFO] [stdout] 923 |         if let Some(a) = &value && let Some(b) = equal_to {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1068:12
[INFO] [stdout]      |
[INFO] [stdout] 1068 |         if let Some(a) = value && let Some(b) = minus {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1068:35
[INFO] [stdout]      |
[INFO] [stdout] 1068 |         if let Some(a) = value && let Some(b) = minus {
[INFO] [stdout]      |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1083:12
[INFO] [stdout]      |
[INFO] [stdout] 1083 |         if let Some(a) = divide && let Some(b) = by {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1083:36
[INFO] [stdout]      |
[INFO] [stdout] 1083 |         if let Some(a) = divide && let Some(b) = by {
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1093:12
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         if let Some(a) = add && let Some(b) = and {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1093:33
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         if let Some(a) = add && let Some(b) = and {
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1103:12
[INFO] [stdout]      |
[INFO] [stdout] 1103 |         if let Some(a) = multiply && let Some(b) = times {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1103:38
[INFO] [stdout]      |
[INFO] [stdout] 1103 |         if let Some(a) = multiply && let Some(b) = times {
[INFO] [stdout]      |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1113:12
[INFO] [stdout]      |
[INFO] [stdout] 1113 |         if let Some(_if) = r#if && let Some(_then) = then && let Some(_else) = r#else {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1113:36
[INFO] [stdout]      |
[INFO] [stdout] 1113 |         if let Some(_if) = r#if && let Some(_then) = then && let Some(_else) = r#else {
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib/deserialization/json.rs:1113:62
[INFO] [stdout]      |
[INFO] [stdout] 1113 |         if let Some(_if) = r#if && let Some(_then) = then && let Some(_else) = r#else {
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib/lib.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[macro_use] extern crate pest;
[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/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(if_let_guard)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `marlowe_lang` (lib) due to 37 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "acac3b6e3d8a45fa966c58c8ae5b4ae883db1d5a850e5639e198edea9b3db98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acac3b6e3d8a45fa966c58c8ae5b4ae883db1d5a850e5639e198edea9b3db98c", kill_on_drop: false }`
[INFO] [stdout] acac3b6e3d8a45fa966c58c8ae5b4ae883db1d5a850e5639e198edea9b3db98c
