[INFO] fetching crate verto 0.7.13...
[INFO] building verto-0.7.13 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate verto 0.7.13 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate verto 0.7.13
[INFO] finished tweaking crates.io crate verto 0.7.13
[INFO] tweaked toml for crates.io crate verto 0.7.13 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate verto 0.7.13 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate verto 0.7.13 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.83
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded crates-io v0.34.0
[INFO] [stderr]   Downloaded opener v0.5.0
[INFO] [stderr]   Downloaded cargo-util v0.2.2
[INFO] [stderr]   Downloaded fwdansi v1.1.0
[INFO] [stderr]   Downloaded toml v0.8.14
[INFO] [stderr]   Downloaded rustfix v0.6.1
[INFO] [stderr]   Downloaded cxx v1.0.83
[INFO] [stderr]   Downloaded openssl v0.10.44
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded bytesize v1.1.0
[INFO] [stderr]   Downloaded os_info v3.5.1
[INFO] [stderr]   Downloaded filetime v0.2.18
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.83
[INFO] [stderr]   Downloaded winnow v0.6.13
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded git2-curl v0.16.0
[INFO] [stderr]   Downloaded ordered-float v2.10.0
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded toml_edit v0.15.0
[INFO] [stderr]   Downloaded toml_edit v0.22.14
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded clap v4.0.32
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded git2 v0.15.0
[INFO] [stderr]   Downloaded vte v0.10.1
[INFO] [stderr]   Downloaded serde_ignored v0.1.5
[INFO] [stderr]   Downloaded libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.1
[INFO] [stderr]   Downloaded jacklog v0.1.0
[INFO] [stderr]   Downloaded toml_datetime v0.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded curl-sys v0.4.59+curl-7.86.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.15
[INFO] [stderr]   Downloaded cargo v0.67.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]   Downloaded cxx-build v1.0.83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e04ee08e023c49fa2f06b4c968908a988af0223522b7dd84de4b112d6b56cdc7
[INFO] running `Command { std: "docker" "start" "-a" "e04ee08e023c49fa2f06b4c968908a988af0223522b7dd84de4b112d6b56cdc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e04ee08e023c49fa2f06b4c968908a988af0223522b7dd84de4b112d6b56cdc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04ee08e023c49fa2f06b4c968908a988af0223522b7dd84de4b112d6b56cdc7", kill_on_drop: false }`
[INFO] [stdout] e04ee08e023c49fa2f06b4c968908a988af0223522b7dd84de4b112d6b56cdc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 792f0e64b2c937ae5f9bd201618239e7f6ec57e7d6035c4a11918bcee32200b4
[INFO] running `Command { std: "docker" "start" "-a" "792f0e64b2c937ae5f9bd201618239e7f6ec57e7d6035c4a11918bcee32200b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[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" "792f0e64b2c937ae5f9bd201618239e7f6ec57e7d6035c4a11918bcee32200b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792f0e64b2c937ae5f9bd201618239e7f6ec57e7d6035c4a11918bcee32200b4", kill_on_drop: false }`
[INFO] [stdout] 792f0e64b2c937ae5f9bd201618239e7f6ec57e7d6035c4a11918bcee32200b4