[INFO] fetching crate iwt 0.1.0...
[INFO] checking iwt-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate iwt 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate iwt 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 iwt 0.1.0
[INFO] finished tweaking crates.io crate iwt 0.1.0
[INFO] tweaked toml for crates.io crate iwt 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate iwt 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 serde v1.0.171
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded eventsource-stream v0.2.3
[INFO] [stderr]   Downloaded serde_derive v1.0.171
[INFO] [stderr]   Downloaded rustls v0.21.5
[INFO] [stderr]   Downloaded syn v2.0.26
[INFO] [stderr]   Downloaded reqwest-eventsource v0.4.0
[INFO] [stderr]   Downloaded async-openai v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a5e3eba321208787e6e1a8a6f1696a0477adc121b0ae405519bc2e7c7d74f86d
[INFO] running `Command { std: "docker" "start" "-a" "a5e3eba321208787e6e1a8a6f1696a0477adc121b0ae405519bc2e7c7d74f86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e3eba321208787e6e1a8a6f1696a0477adc121b0ae405519bc2e7c7d74f86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e3eba321208787e6e1a8a6f1696a0477adc121b0ae405519bc2e7c7d74f86d", kill_on_drop: false }`
[INFO] [stdout] a5e3eba321208787e6e1a8a6f1696a0477adc121b0ae405519bc2e7c7d74f86d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a02ec6a0eed2180584136d42870cfd2d05fb3677870be022fe4aaaf1d66ea8af
[INFO] running `Command { std: "docker" "start" "-a" "a02ec6a0eed2180584136d42870cfd2d05fb3677870be022fe4aaaf1d66ea8af", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking rustls-webpki v0.101.1
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking eventsource-stream v0.2.3
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking reqwest-eventsource v0.4.0
[INFO] [stderr]     Checking async-openai v0.12.1
[INFO] [stderr]     Checking iwt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.90s
[INFO] running `Command { std: "docker" "inspect" "a02ec6a0eed2180584136d42870cfd2d05fb3677870be022fe4aaaf1d66ea8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02ec6a0eed2180584136d42870cfd2d05fb3677870be022fe4aaaf1d66ea8af", kill_on_drop: false }`
[INFO] [stdout] a02ec6a0eed2180584136d42870cfd2d05fb3677870be022fe4aaaf1d66ea8af