[INFO] fetching crate blocking-reader 0.1.0...
[INFO] checking blocking-reader-0.1.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate blocking-reader 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate blocking-reader 0.1.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded bytecount v0.6.3
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded anyhow v1.0.71
[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] [stderr]   Downloaded tokio v1.28.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded moka v0.11.1
[INFO] [stderr]   Downloaded js-sys v0.3.63
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.86
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.3
[INFO] [stderr]   Downloaded uuid v1.3.3
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded triomphe v0.1.8
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.7
[INFO] [stderr]   Downloaded camino v1.1.4
[INFO] [stderr]   Downloaded cargo_metadata v0.14.2
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded skeptic v0.13.7
[INFO] [stderr]   Downloaded tagptr v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ae92b4fe654a836674ce0acc169d7e5c23f3f2e9bf315a5739d23c8ec052ba5
[INFO] running `Command { std: "docker" "start" "-a" "4ae92b4fe654a836674ce0acc169d7e5c23f3f2e9bf315a5739d23c8ec052ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ae92b4fe654a836674ce0acc169d7e5c23f3f2e9bf315a5739d23c8ec052ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae92b4fe654a836674ce0acc169d7e5c23f3f2e9bf315a5739d23c8ec052ba5", kill_on_drop: false }`
[INFO] [stdout] 4ae92b4fe654a836674ce0acc169d7e5c23f3f2e9bf315a5739d23c8ec052ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29f00b8e0f43259d72a1cdc18c04077be3f5f96315249746d094e78c9bcd564e
[INFO] running `Command { std: "docker" "start" "-a" "29f00b8e0f43259d72a1cdc18c04077be3f5f96315249746d094e78c9bcd564e", kill_on_drop: false }`
[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 lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling polling v2.8.0
[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 async-io v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling moka v0.11.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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] 
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking triomphe v0.1.8
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "29f00b8e0f43259d72a1cdc18c04077be3f5f96315249746d094e78c9bcd564e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f00b8e0f43259d72a1cdc18c04077be3f5f96315249746d094e78c9bcd564e", kill_on_drop: false }`
[INFO] [stdout] 29f00b8e0f43259d72a1cdc18c04077be3f5f96315249746d094e78c9bcd564e
