[INFO] fetching crate quibble 0.3.3...
[INFO] checking quibble-0.3.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate quibble 0.3.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate quibble 0.3.3 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 quibble 0.3.3
[INFO] finished tweaking crates.io crate quibble 0.3.3
[INFO] tweaked toml for crates.io crate quibble 0.3.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate quibble 0.3.3 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.7.6
[INFO] [stderr]   Downloaded thiserror-impl v1.0.46
[INFO] [stderr]   Downloaded thiserror v1.0.46
[INFO] [stderr]   Downloaded anyhow v1.0.74
[INFO] [stderr]   Downloaded dialoguer v0.10.4
[INFO] [stderr]   Downloaded portable-atomic v1.4.2
[INFO] [stderr]   Downloaded indicatif v0.17.6
[INFO] [stderr]   Downloaded winnow v0.5.11
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34d0e4fe855aafdfba8f724dbc0d5ec09f6d0815fd08386489896e3ceb0f5200
[INFO] running `Command { std: "docker" "start" "-a" "34d0e4fe855aafdfba8f724dbc0d5ec09f6d0815fd08386489896e3ceb0f5200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34d0e4fe855aafdfba8f724dbc0d5ec09f6d0815fd08386489896e3ceb0f5200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d0e4fe855aafdfba8f724dbc0d5ec09f6d0815fd08386489896e3ceb0f5200", kill_on_drop: false }`
[INFO] [stdout] 34d0e4fe855aafdfba8f724dbc0d5ec09f6d0815fd08386489896e3ceb0f5200
[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=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] 6c9de5b4434973652fa79aa19e5481d723428a85065f7b94b55c7296abe19e68
[INFO] running `Command { std: "docker" "start" "-a" "6c9de5b4434973652fa79aa19e5481d723428a85065f7b94b55c7296abe19e68", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling portable-atomic v1.4.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking winnow v0.5.11
[INFO] [stderr]    Compiling anyhow v1.0.74
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling thiserror v1.0.46
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking indicatif v0.17.6
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking tempfile v3.7.1
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.21
[INFO] [stderr]     Checking dialoguer v0.10.4
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.46
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_yaml v0.9.25
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking clap v4.3.21
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking quibble v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::rules::*`
[INFO] [stdout]   --> src/compose.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use crate::rules::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ComposeSpec` is imported redundantly
[INFO] [stdout]   --> src/compose.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use spec::*;
[INFO] [stdout]    |         ------- the item `ComposeSpec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 17 | use crate::compose::ComposeSpec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rules::*`
[INFO] [stdout]   --> src/compose.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use crate::rules::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ComposeSpec` is imported redundantly
[INFO] [stdout]   --> src/compose.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use spec::*;
[INFO] [stdout]    |         ------- the item `ComposeSpec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 17 | use crate::compose::ComposeSpec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `digest` and `signature` are never read
[INFO] [stdout]   --> src/containers.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ContainerImage {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub digest: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     /// Signature
[INFO] [stdout] 20 |     pub signature: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `digest` and `signature` are never read
[INFO] [stdout]   --> src/containers.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ContainerImage {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub digest: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     /// Signature
[INFO] [stdout] 20 |     pub signature: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.04s
[INFO] running `Command { std: "docker" "inspect" "6c9de5b4434973652fa79aa19e5481d723428a85065f7b94b55c7296abe19e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9de5b4434973652fa79aa19e5481d723428a85065f7b94b55c7296abe19e68", kill_on_drop: false }`
[INFO] [stdout] 6c9de5b4434973652fa79aa19e5481d723428a85065f7b94b55c7296abe19e68