[INFO] fetching crate blocking-reader 0.1.0...
[INFO] checking blocking-reader-0.1.0 against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] extracting crate blocking-reader 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate blocking-reader 0.1.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate blocking-reader 0.1.0
[INFO] tweaked toml for crates.io crate blocking-reader 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate blocking-reader 0.1.0 on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate blocking-reader 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" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded bytecount v0.6.3
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded skeptic v0.13.7
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded unicase v2.6.0
[INFO] [stderr]   Downloaded cargo_metadata v0.14.2
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded parking v2.1.0
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded triomphe v0.1.8
[INFO] [stderr]   Downloaded quanta v0.11.1
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded camino v1.1.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded concurrent-queue v2.2.0
[INFO] [stderr]   Downloaded mach2 v0.4.1
[INFO] [stderr]   Downloaded async-lock v2.7.0
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.86
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded uuid v1.3.3
[INFO] [stderr]   Downloaded js-sys v0.3.63
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded moka v0.11.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.3
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.86
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded libc v0.2.145
[INFO] [stderr]   Downloaded web-sys v0.3.63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 436501d80fb6039427ac7fcffc4327bb86a5acc06c49dd7da10b2189e443b0a9
[INFO] running `Command { std: "docker" "start" "436501d80fb6039427ac7fcffc4327bb86a5acc06c49dd7da10b2189e443b0a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "436501d80fb6039427ac7fcffc4327bb86a5acc06c49dd7da10b2189e443b0a9" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "436501d80fb6039427ac7fcffc4327bb86a5acc06c49dd7da10b2189e443b0a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "436501d80fb6039427ac7fcffc4327bb86a5acc06c49dd7da10b2189e443b0a9" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.145
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling moka v0.11.1
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking triomphe v0.1.8
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.19/src/backend/linux_raw/io/errno.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.19/src/backend/linux_raw/io/errno.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_layout_scalar_valid_range_start` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.19/src/backend/linux_raw/io/errno.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_layout_scalar_valid_range_end` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.19/src/backend/linux_raw/io/errno.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustix` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "436501d80fb6039427ac7fcffc4327bb86a5acc06c49dd7da10b2189e443b0a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436501d80fb6039427ac7fcffc4327bb86a5acc06c49dd7da10b2189e443b0a9", kill_on_drop: false }`
[INFO] [stdout] 436501d80fb6039427ac7fcffc4327bb86a5acc06c49dd7da10b2189e443b0a9
