[INFO] fetching crate txlib 0.2.1...
[INFO] testing txlib-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate txlib 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate txlib 0.2.1
[INFO] finished tweaking crates.io crate txlib 0.2.1
[INFO] tweaked toml for crates.io crate txlib 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate txlib 0.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate txlib 0.2.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded clap_derive v4.3.0
[INFO] [stderr]   Downloaded clap v4.3.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.89
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.89
[INFO] [stderr]   Downloaded hermit-abi v0.3.0
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded cxx-build v1.0.89
[INFO] [stderr]   Downloaded anstyle-parse v0.2.0
[INFO] [stderr]   Downloaded clap_builder v4.3.0
[INFO] [stderr]   Downloaded chrono v0.4.24
[INFO] [stderr]   Downloaded cxx v1.0.89
[INFO] [stderr]   Downloaded epub v2.0.0
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded rustix v0.37.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfca86b46a89ff4593e46f3817b8a204b4b57969c0c70f218ac44dda885f55ca
[INFO] running `Command { std: "docker" "start" "-a" "cfca86b46a89ff4593e46f3817b8a204b4b57969c0c70f218ac44dda885f55ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfca86b46a89ff4593e46f3817b8a204b4b57969c0c70f218ac44dda885f55ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfca86b46a89ff4593e46f3817b8a204b4b57969c0c70f218ac44dda885f55ca", kill_on_drop: false }`
[INFO] [stdout] cfca86b46a89ff4593e46f3817b8a204b4b57969c0c70f218ac44dda885f55ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25638ae2cb9a272e6f2a3cdcca2df88a257095b4f3e63e8e74ad366c19871450
[INFO] running `Command { std: "docker" "start" "-a" "25638ae2cb9a272e6f2a3cdcca2df88a257095b4f3e63e8e74ad366c19871450", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling rustix v0.37.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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]    Compiling crossbeam-channel v0.5.8
[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] running `Command { std: "docker" "inspect" "25638ae2cb9a272e6f2a3cdcca2df88a257095b4f3e63e8e74ad366c19871450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25638ae2cb9a272e6f2a3cdcca2df88a257095b4f3e63e8e74ad366c19871450", kill_on_drop: false }`
[INFO] [stdout] 25638ae2cb9a272e6f2a3cdcca2df88a257095b4f3e63e8e74ad366c19871450