[INFO] fetching crate oca-ast 0.3.7...
[INFO] checking oca-ast-0.3.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate oca-ast 0.3.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate oca-ast 0.3.7 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oca-ast 0.3.7
[INFO] finished tweaking crates.io crate oca-ast 0.3.7
[INFO] tweaked toml for crates.io crate oca-ast 0.3.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding strum v0.24.1 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.24.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 359149b3e4280fe5eb4cb3642907346980240412688fc03935b8c235a91608d3
[INFO] running `Command { std: "docker" "start" "-a" "359149b3e4280fe5eb4cb3642907346980240412688fc03935b8c235a91608d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "359149b3e4280fe5eb4cb3642907346980240412688fc03935b8c235a91608d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359149b3e4280fe5eb4cb3642907346980240412688fc03935b8c235a91608d3", kill_on_drop: false }`
[INFO] [stdout] 359149b3e4280fe5eb4cb3642907346980240412688fc03935b8c235a91608d3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10ee7ba6fee939e91e2ba1b72012c480f6ce45ed9bd5db62f8321f1716926510
[INFO] running `Command { std: "docker" "start" "-a" "10ee7ba6fee939e91e2ba1b72012c480f6ce45ed9bd5db62f8321f1716926510", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking oca-ast v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Command` is imported redundantly
[INFO] [stdout]    --> src/validator.rs:278:22
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use super::*;
[INFO] [stdout]     |         -------- the item `Command` is already imported here
[INFO] [stdout] 278 |     use crate::ast::{Command, CommandType, Content, NestedValue, OCAAst, ObjectKind};
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CommandType` is imported redundantly
[INFO] [stdout]    --> src/validator.rs:278:31
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use super::*;
[INFO] [stdout]     |         -------- the item `CommandType` is already imported here
[INFO] [stdout] 278 |     use crate::ast::{Command, CommandType, Content, NestedValue, OCAAst, ObjectKind};
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NestedValue` is imported redundantly
[INFO] [stdout]    --> src/validator.rs:278:53
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use super::*;
[INFO] [stdout]     |         -------- the item `NestedValue` is already imported here
[INFO] [stdout] 278 |     use crate::ast::{Command, CommandType, Content, NestedValue, OCAAst, ObjectKind};
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `OCAAst` is imported redundantly
[INFO] [stdout]    --> src/validator.rs:278:66
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use super::*;
[INFO] [stdout]     |         -------- the item `OCAAst` is already imported here
[INFO] [stdout] 278 |     use crate::ast::{Command, CommandType, Content, NestedValue, OCAAst, ObjectKind};
[INFO] [stdout]     |                                                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ObjectKind` is imported redundantly
[INFO] [stdout]    --> src/validator.rs:278:74
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use super::*;
[INFO] [stdout]     |         -------- the item `ObjectKind` is already imported here
[INFO] [stdout] 278 |     use crate::ast::{Command, CommandType, Content, NestedValue, OCAAst, ObjectKind};
[INFO] [stdout]     |                                                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Errors` is never constructed
[INFO] [stdout]   --> src/errors.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Errors(Vec<Error>);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Errors` is never constructed
[INFO] [stdout]   --> src/errors.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Errors(Vec<Error>);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `Command { std: "docker" "inspect" "10ee7ba6fee939e91e2ba1b72012c480f6ce45ed9bd5db62f8321f1716926510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ee7ba6fee939e91e2ba1b72012c480f6ce45ed9bd5db62f8321f1716926510", kill_on_drop: false }`
[INFO] [stdout] 10ee7ba6fee939e91e2ba1b72012c480f6ce45ed9bd5db62f8321f1716926510