[INFO] fetching crate mreq 0.1.17...
[INFO] testing mreq-0.1.17 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mreq 0.1.17 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mreq 0.1.17
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mreq 0.1.17
[INFO] tweaked toml for crates.io crate mreq 0.1.17 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mreq 0.1.17 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mreq 0.1.17 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bf6dc7854b6022d5ef995c30d9b93cc92abe956392345ce3e1fa375a4e402a2
[INFO] running `Command { std: "docker" "start" "-a" "6bf6dc7854b6022d5ef995c30d9b93cc92abe956392345ce3e1fa375a4e402a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bf6dc7854b6022d5ef995c30d9b93cc92abe956392345ce3e1fa375a4e402a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf6dc7854b6022d5ef995c30d9b93cc92abe956392345ce3e1fa375a4e402a2", kill_on_drop: false }`
[INFO] [stdout] 6bf6dc7854b6022d5ef995c30d9b93cc92abe956392345ce3e1fa375a4e402a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54ea10092e3ccd907b061031dfcb7090c6bc5d2134762c042e9363be2252ddaf
[INFO] running `Command { std: "docker" "start" "-a" "54ea10092e3ccd907b061031dfcb7090c6bc5d2134762c042e9363be2252ddaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling zstd-safe v7.2.3
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling static_init v1.0.3
[INFO] [stderr]    Compiling tokio v1.44.1
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling aok v0.1.17
[INFO] [stderr]    Compiling const-str v0.6.2
[INFO] [stderr]    Compiling citer v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.14+zstd.1.5.7
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling rustls v0.23.25
[INFO] [stderr]    Compiling rustls-webpki v0.103.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling tokio-util v0.7.14
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling async-compression v0.4.21
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling h2 v0.4.8
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling xerr v0.1.15
[INFO] [stderr]    Compiling genv v0.1.16
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling tokio-socks v0.5.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling hyper-rustls v0.27.5
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling reqwest v0.12.14
[INFO] [stderr]    Compiling header_map v0.1.4
[INFO] [stderr]    Compiling ireq v0.1.20
[INFO] [stderr]    Compiling mreq v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:129:31
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let host = if let Some(p) = host_path.find('/')
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mreq` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "54ea10092e3ccd907b061031dfcb7090c6bc5d2134762c042e9363be2252ddaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ea10092e3ccd907b061031dfcb7090c6bc5d2134762c042e9363be2252ddaf", kill_on_drop: false }`
[INFO] [stdout] 54ea10092e3ccd907b061031dfcb7090c6bc5d2134762c042e9363be2252ddaf
