[INFO] fetching crate assemble-std 0.2.0...
[INFO] testing assemble-std-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate assemble-std 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate assemble-std 0.2.0
[INFO] finished tweaking crates.io crate assemble-std 0.2.0
[INFO] tweaked toml for crates.io crate assemble-std 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate assemble-std 0.2.0 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 assemble-std 0.2.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assemble-build v0.2.0
[INFO] [stderr]   Downloaded toml_datetime v0.5.0
[INFO] [stderr]   Downloaded clap_lex v0.3.0
[INFO] [stderr]   Downloaded assemble-macros v0.2.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.13
[INFO] [stderr]   Downloaded portable-atomic v0.3.19
[INFO] [stderr]   Downloaded ptree v0.4.0
[INFO] [stderr]   Downloaded assemble-core v0.2.0
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded nom8 v0.1.0
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded toml_edit v0.16.1
[INFO] [stderr]   Downloaded petgraph v0.6.2
[INFO] [stderr]   Downloaded clap v4.0.32
[INFO] [stderr]   Downloaded console v0.15.3
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded object v0.30.0
[INFO] [stderr]   Downloaded rustix v0.36.6
[INFO] [stderr]   Downloaded fern v0.6.1
[INFO] [stderr]   Downloaded ron v0.8.0
[INFO] [stderr]   Downloaded security-framework v2.7.0
[INFO] [stderr]   Downloaded clap_derive v4.0.21
[INFO] [stderr]   Downloaded io-lifetimes v1.0.3
[INFO] [stderr]   Downloaded indicatif v0.17.2
[INFO] [stderr]   Downloaded merge v0.1.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded directories v4.0.1
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded tint v1.0.1
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded is-terminal v0.4.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.2
[INFO] [stderr]   Downloaded tokio v1.23.0
[INFO] [stderr]   Downloaded crossbeam v0.8.2
[INFO] [stderr]   Downloaded merge_derive v0.1.0
[INFO] [stderr]   Downloaded thread-id v4.0.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.4
[INFO] [stderr]   Downloaded gimli v0.27.0
[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] bb4c2b12bf0118bf0a8d45a15a04684c67d3e189a92c560ebe5921c33f80e741
[INFO] running `Command { std: "docker" "start" "-a" "bb4c2b12bf0118bf0a8d45a15a04684c67d3e189a92c560ebe5921c33f80e741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb4c2b12bf0118bf0a8d45a15a04684c67d3e189a92c560ebe5921c33f80e741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4c2b12bf0118bf0a8d45a15a04684c67d3e189a92c560ebe5921c33f80e741", kill_on_drop: false }`
[INFO] [stdout] bb4c2b12bf0118bf0a8d45a15a04684c67d3e189a92c560ebe5921c33f80e741
[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] 63e73ae1507e60013b931e37abc5318596096adbaf99cd1669467d5308bc7604
[INFO] running `Command { std: "docker" "start" "-a" "63e73ae1507e60013b931e37abc5318596096adbaf99cd1669467d5308bc7604", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling itoa v1.0.5
[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] [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" "63e73ae1507e60013b931e37abc5318596096adbaf99cd1669467d5308bc7604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e73ae1507e60013b931e37abc5318596096adbaf99cd1669467d5308bc7604", kill_on_drop: false }`
[INFO] [stdout] 63e73ae1507e60013b931e37abc5318596096adbaf99cd1669467d5308bc7604
