[INFO] fetching crate treeedb-c 0.1.0-rc.5...
[INFO] testing treeedb-c-0.1.0-rc.5 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate treeedb-c 0.1.0-rc.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate treeedb-c 0.1.0-rc.5
[INFO] finished tweaking crates.io crate treeedb-c 0.1.0-rc.5
[INFO] tweaked toml for crates.io crate treeedb-c 0.1.0-rc.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate treeedb-c 0.1.0-rc.5 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate treeedb-c 0.1.0-rc.5 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded clap_lex v0.3.0
[INFO] [stderr]   Downloaded tree-sitter-c v0.20.2
[INFO] [stderr]   Downloaded clap v4.0.18
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded os_str_bytes v6.3.1
[INFO] [stderr]   Downloaded anyhow v1.0.66
[INFO] [stderr]   Downloaded treeedb v0.1.0-rc.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.27
[INFO] [stderr]   Downloaded clap_derive v4.0.18
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded tree-sitter v0.20.9
[INFO] [stderr]   Downloaded regex v1.6.0
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c94596de47d2e305d3e296279687b84598e292fa04df032e8cc4ea5576f504e3
[INFO] running `Command { std: "docker" "start" "-a" "c94596de47d2e305d3e296279687b84598e292fa04df032e8cc4ea5576f504e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c94596de47d2e305d3e296279687b84598e292fa04df032e8cc4ea5576f504e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94596de47d2e305d3e296279687b84598e292fa04df032e8cc4ea5576f504e3", kill_on_drop: false }`
[INFO] [stdout] c94596de47d2e305d3e296279687b84598e292fa04df032e8cc4ea5576f504e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80c76d4fda304a2b0d6747b23d80666e7f97bdc3874892c870b56a8d7c2a9c69
[INFO] running `Command { std: "docker" "start" "-a" "80c76d4fda304a2b0d6747b23d80666e7f97bdc3874892c870b56a8d7c2a9c69", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling os_str_bytes v6.3.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] [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" "80c76d4fda304a2b0d6747b23d80666e7f97bdc3874892c870b56a8d7c2a9c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c76d4fda304a2b0d6747b23d80666e7f97bdc3874892c870b56a8d7c2a9c69", kill_on_drop: false }`
[INFO] [stdout] 80c76d4fda304a2b0d6747b23d80666e7f97bdc3874892c870b56a8d7c2a9c69
