[INFO] fetching crate unicode_lsp 0.1.0...
[INFO] testing unicode_lsp-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate unicode_lsp 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate unicode_lsp 0.1.0
[INFO] finished tweaking crates.io crate unicode_lsp 0.1.0
[INFO] tweaked toml for crates.io crate unicode_lsp 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unicode_lsp 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unicode_lsp 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 586cae9e13b2bb750ac090af17df009d50b7b93a9f7bfdeee7ea129ab35a3be4
[INFO] running `Command { std: "docker" "start" "-a" "586cae9e13b2bb750ac090af17df009d50b7b93a9f7bfdeee7ea129ab35a3be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "586cae9e13b2bb750ac090af17df009d50b7b93a9f7bfdeee7ea129ab35a3be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586cae9e13b2bb750ac090af17df009d50b7b93a9f7bfdeee7ea129ab35a3be4", kill_on_drop: false }`
[INFO] [stdout] 586cae9e13b2bb750ac090af17df009d50b7b93a9f7bfdeee7ea129ab35a3be4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abac1daa38b5a97abfb0fe43af8f92efea6e9e385bc1408538f18b676e654198
[INFO] running `Command { std: "docker" "start" "-a" "abac1daa38b5a97abfb0fe43af8f92efea6e9e385bc1408538f18b676e654198", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling futures-io v0.3.27
[INFO] [stderr]    Compiling unicode-bidi v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling async-trait v0.1.66
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling str_indices v0.4.1
[INFO] [stderr]    Compiling ropey v1.6.0
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 parking_lot v0.12.1
[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" "abac1daa38b5a97abfb0fe43af8f92efea6e9e385bc1408538f18b676e654198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abac1daa38b5a97abfb0fe43af8f92efea6e9e385bc1408538f18b676e654198", kill_on_drop: false }`
[INFO] [stdout] abac1daa38b5a97abfb0fe43af8f92efea6e9e385bc1408538f18b676e654198