[INFO] fetching crate cursython 0.1.0...
[INFO] checking cursython-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cursython 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cursython 0.1.0 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 cursython 0.1.0
[INFO] finished tweaking crates.io crate cursython 0.1.0
[INFO] tweaked toml for crates.io crate cursython 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate cursython 0.1.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typetag v0.2.10
[INFO] [stderr]   Downloaded erased-serde v0.3.28
[INFO] [stderr]   Downloaded inventory v0.3.9
[INFO] [stderr]   Downloaded json5 v0.4.1
[INFO] [stderr]   Downloaded clap v4.3.17
[INFO] [stderr]   Downloaded tracing-error v0.2.0
[INFO] [stderr]   Downloaded clap_builder v4.3.17
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded pest v2.7.1
[INFO] [stderr]   Downloaded dyn-clone v1.0.12
[INFO] [stderr]   Downloaded pest_meta v2.7.1
[INFO] [stderr]   Downloaded pest_generator v2.7.1
[INFO] [stderr]   Downloaded pest_derive v2.7.1
[INFO] [stderr]   Downloaded serde_derive v1.0.171
[INFO] [stderr]   Downloaded serde v1.0.171
[INFO] [stderr]   Downloaded typetag-impl v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 373dc5d122f96c5ae2eba773aca65b64ed8db6eb8694e8b3466af96a2c32b39d
[INFO] running `Command { std: "docker" "start" "-a" "373dc5d122f96c5ae2eba773aca65b64ed8db6eb8694e8b3466af96a2c32b39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "373dc5d122f96c5ae2eba773aca65b64ed8db6eb8694e8b3466af96a2c32b39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373dc5d122f96c5ae2eba773aca65b64ed8db6eb8694e8b3466af96a2c32b39d", kill_on_drop: false }`
[INFO] [stdout] 373dc5d122f96c5ae2eba773aca65b64ed8db6eb8694e8b3466af96a2c32b39d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] efc1b9cb6f30c8d7e636034e715ee025aa9ba5362533c128e6f83f16e444a7e3
[INFO] running `Command { std: "docker" "start" "-a" "efc1b9cb6f30c8d7e636034e715ee025aa9ba5362533c128e6f83f16e444a7e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling erased-serde v0.3.28
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking inventory v0.3.9
[INFO] [stderr]     Checking dyn-clone v1.0.12
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.17
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling typetag-impl v0.2.10
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking pest v2.7.1
[INFO] [stderr]     Checking clap v4.3.17
[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]     Checking json5 v0.4.1
[INFO] [stderr]     Checking typetag v0.2.10
[INFO] [stderr]     Checking cursython v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Stmt` is never used
[INFO] [stdout]   --> src/backend/mod.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Stmt {}
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Clone`, 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: enum `Stmt` is never used
[INFO] [stdout]   --> src/backend/mod.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Stmt {}
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.60s
[INFO] running `Command { std: "docker" "inspect" "efc1b9cb6f30c8d7e636034e715ee025aa9ba5362533c128e6f83f16e444a7e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc1b9cb6f30c8d7e636034e715ee025aa9ba5362533c128e6f83f16e444a7e3", kill_on_drop: false }`
[INFO] [stdout] efc1b9cb6f30c8d7e636034e715ee025aa9ba5362533c128e6f83f16e444a7e3