[INFO] fetching crate hypermangle-core 0.6.3...
[INFO] checking hypermangle-core-0.6.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate hypermangle-core 0.6.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate hypermangle-core 0.6.3 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 hypermangle-core 0.6.3
[INFO] finished tweaking crates.io crate hypermangle-core 0.6.3
[INFO] tweaked toml for crates.io crate hypermangle-core 0.6.3 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 303 packages
[INFO] [stderr]       Adding anstream v0.3.2 (latest: v0.6.13)
[INFO] [stderr]       Adding anstyle-wincon v1.0.2 (latest: v3.0.2)
[INFO] [stderr]       Adding axum v0.6.20 (latest: v0.7.5)
[INFO] [stderr]       Adding axum-core v0.3.4 (latest: v0.4.3)
[INFO] [stderr]       Adding axum-macros v0.3.8 (latest: v0.4.1)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v4.3.24 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_builder v4.3.24 (latest: v4.5.2)
[INFO] [stderr]       Adding clap_derive v4.3.12 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_lex v0.5.1 (latest: v0.7.0)
[INFO] [stderr]       Adding console-api v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding console-subscriber v0.1.10 (latest: v0.2.0)
[INFO] [stderr]       Adding event-listener v4.0.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener-strategy v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[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 http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding http-range-header v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding hyper-rustls v0.24.2 (latest: v0.27.0)
[INFO] [stderr]       Adding hyper-timeout v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding hyper-tls v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding indoc v1.0.9 (latest: v2.0.5)
[INFO] [stderr]       Adding inotify v0.9.6 (latest: v0.10.2)
[INFO] [stderr]       Adding intmap v0.7.1 (latest: v2.0.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding matchit v0.7.3 (latest: v0.8.0)
[INFO] [stderr]       Adding notify v6.0.1 (latest: v6.1.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding prost v0.11.9 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-derive v0.11.9 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-types v0.11.9 (latest: v0.12.4)
[INFO] [stderr]       Adding pyo3 v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-asyncio v0.19.0 (latest: v0.20.0)
[INFO] [stderr]       Adding pyo3-asyncio-macros v0.19.0 (latest: v0.20.0)
[INFO] [stderr]       Adding pyo3-build-config v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-ffi v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros-backend v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding regex v1.9.6 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-automata v0.3.9 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding regex-syntax v0.7.5 (latest: v0.8.3)
[INFO] [stderr]       Adding reqwest v0.11.27 (latest: v0.12.3)
[INFO] [stderr]       Adding rustls v0.21.10 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-native-certs v0.6.3 (latest: v0.7.0)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.2)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.0)
[INFO] [stderr]       Adding system-configuration v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding system-configuration-sys v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding tokio v1.30.0 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-macros v2.1.0 (latest: v2.2.0)
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (latest: v0.26.0)
[INFO] [stderr]       Adding tokio-tungstenite v0.20.1 (latest: v0.21.0)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding tonic v0.9.2 (latest: v0.11.0)
[INFO] [stderr]       Adding tower-http v0.4.4 (latest: v0.5.2)
[INFO] [stderr]       Adding tungstenite v0.20.1 (latest: v0.21.0)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-sys v0.45.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.19.2
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded pyo3-asyncio-macros v0.19.0
[INFO] [stderr]   Downloaded intmap v0.7.1
[INFO] [stderr]   Downloaded hypermangle-py v0.2.0
[INFO] [stderr]   Downloaded to_method v1.1.0
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] [stderr]   Downloaded kqueue-sys v1.0.4
[INFO] [stderr]   Downloaded console-api v0.5.0
[INFO] [stderr]   Downloaded console-subscriber v0.1.10
[INFO] [stderr]   Downloaded clap_builder v4.3.24
[INFO] [stderr]   Downloaded clap v4.3.24
[INFO] [stderr]   Downloaded hdrhistogram v7.5.4
[INFO] [stderr]   Downloaded fern v0.6.2
[INFO] [stderr]   Downloaded tokio v1.30.0
[INFO] [stderr]   Downloaded pyo3 v0.19.2
[INFO] [stderr]   Downloaded interprocess v1.2.1
[INFO] [stderr]   Downloaded axum-macros v0.3.8
[INFO] [stderr]   Downloaded notify v6.0.1
[INFO] [stderr]   Downloaded lers v0.4.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.19.2
[INFO] [stderr]   Downloaded pyo3-asyncio v0.19.0
[INFO] [stderr]   Downloaded spinning v0.1.0
[INFO] [stderr]   Downloaded kqueue v1.0.8
[INFO] [stderr]   Downloaded pyo3-ffi v0.19.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.19.2
[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] f4915eac5d5c9ae3797d8a0d9c7fd5dfef1878f7e75b7c20d11dcbce32f21c6e
[INFO] running `Command { std: "docker" "start" "-a" "f4915eac5d5c9ae3797d8a0d9c7fd5dfef1878f7e75b7c20d11dcbce32f21c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4915eac5d5c9ae3797d8a0d9c7fd5dfef1878f7e75b7c20d11dcbce32f21c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4915eac5d5c9ae3797d8a0d9c7fd5dfef1878f7e75b7c20d11dcbce32f21c6e", kill_on_drop: false }`
[INFO] [stdout] f4915eac5d5c9ae3797d8a0d9c7fd5dfef1878f7e75b7c20d11dcbce32f21c6e
[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] 986e98e3043e0830033180f0d0509123e75f7c2f877c8deacf4348ce4c666bcd
[INFO] running `Command { std: "docker" "start" "-a" "986e98e3043e0830033180f0d0509123e75f7c2f877c8deacf4348ce4c666bcd", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]    Compiling axum-macros v0.3.8
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking brotli-decompressor v3.0.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]    Compiling interprocess v1.2.1
[INFO] [stderr]     Checking tokio v1.30.0
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking clap_builder v4.3.24
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]     Checking brotli v4.0.0
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking rustls v0.21.10
[INFO] [stderr]     Checking spinning v0.1.0
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking to_method v1.1.0
[INFO] [stderr]     Checking intmap v0.7.1
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling pyo3-asyncio-macros v0.19.0
[INFO] [stderr]     Checking clap v4.3.24
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking async-compression v0.4.8
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tower-http v0.4.4
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking prost-types v0.11.9
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking pyo3-asyncio v0.19.0
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking tonic v0.9.2
[INFO] [stderr]     Checking hypermangle-py v0.2.0
[INFO] [stderr]     Checking console-api v0.5.0
[INFO] [stderr]     Checking console-subscriber v0.1.10
[INFO] [stderr]     Checking hypermangle-core v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/lib.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fs::{read_to_string, write, File},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use log::{info, warn};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/lib.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fs::{read_to_string, write, File},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use log::{info, warn};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `domain_name` are never read
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct HyperDomeConfig {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |     email: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 167 |     #[serde(default)]
[INFO] [stdout] 168 |     domain_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `domain_name` are never read
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct HyperDomeConfig {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |     email: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 167 |     #[serde(default)]
[INFO] [stdout] 168 |     domain_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.29s
[INFO] running `Command { std: "docker" "inspect" "986e98e3043e0830033180f0d0509123e75f7c2f877c8deacf4348ce4c666bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986e98e3043e0830033180f0d0509123e75f7c2f877c8deacf4348ce4c666bcd", kill_on_drop: false }`
[INFO] [stdout] 986e98e3043e0830033180f0d0509123e75f7c2f877c8deacf4348ce4c666bcd
[INFO] checking hypermangle-core-0.6.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate hypermangle-core 0.6.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate hypermangle-core 0.6.3 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypermangle-core 0.6.3
[INFO] finished tweaking crates.io crate hypermangle-core 0.6.3
[INFO] tweaked toml for crates.io crate hypermangle-core 0.6.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5cd0ddb4c5721937548d9f24d3d129412b5658689118e8fa0ac145669dc9358
[INFO] running `Command { std: "docker" "start" "-a" "e5cd0ddb4c5721937548d9f24d3d129412b5658689118e8fa0ac145669dc9358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5cd0ddb4c5721937548d9f24d3d129412b5658689118e8fa0ac145669dc9358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cd0ddb4c5721937548d9f24d3d129412b5658689118e8fa0ac145669dc9358", kill_on_drop: false }`
[INFO] [stdout] e5cd0ddb4c5721937548d9f24d3d129412b5658689118e8fa0ac145669dc9358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 367e5f21881e72d91aeaefd56625f0eaa7aac449feda9b7f56027d96be9e2374
[INFO] running `Command { std: "docker" "start" "-a" "367e5f21881e72d91aeaefd56625f0eaa7aac449feda9b7f56027d96be9e2374", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]    Compiling axum-macros v0.3.8
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking brotli-decompressor v3.0.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling interprocess v1.2.1
[INFO] [stderr]     Checking tokio v1.30.0
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking brotli v4.0.0
[INFO] [stderr]     Checking clap_builder v4.3.24
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking spinning v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking to_method v1.1.0
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]     Checking intmap v0.7.1
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking rustls v0.21.10
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking clap v4.3.24
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling pyo3-asyncio-macros v0.19.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking async-compression v0.4.8
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking tower-http v0.4.4
[INFO] [stderr]     Checking prost-types v0.11.9
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking pyo3-asyncio v0.19.0
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking tonic v0.9.2
[INFO] [stderr]     Checking hypermangle-py v0.2.0
[INFO] [stderr]     Checking console-api v0.5.0
[INFO] [stderr]     Checking console-subscriber v0.1.10
[INFO] [stderr]     Checking hypermangle-core v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/lib.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fs::{read_to_string, write, File},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use log::{info, warn};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/lib.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fs::{read_to_string, write, File},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use log::{info, warn};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `domain_name` are never read
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct HyperDomeConfig {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |     email: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 167 |     #[serde(default)]
[INFO] [stdout] 168 |     domain_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `domain_name` are never read
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct HyperDomeConfig {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |     email: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 167 |     #[serde(default)]
[INFO] [stdout] 168 |     domain_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.18s
[INFO] running `Command { std: "docker" "inspect" "367e5f21881e72d91aeaefd56625f0eaa7aac449feda9b7f56027d96be9e2374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367e5f21881e72d91aeaefd56625f0eaa7aac449feda9b7f56027d96be9e2374", kill_on_drop: false }`
[INFO] [stdout] 367e5f21881e72d91aeaefd56625f0eaa7aac449feda9b7f56027d96be9e2374