[INFO] fetching crate crdt-richtext 0.1.1...
[INFO] testing crdt-richtext-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate crdt-richtext 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate crdt-richtext 0.1.1
[INFO] finished tweaking crates.io crate crdt-richtext 0.1.1
[INFO] tweaked toml for crates.io crate crdt-richtext 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crdt-richtext 0.1.1 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 crdt-richtext 0.1.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded arref v0.1.0
[INFO] [stderr]   Downloaded serde_columnar v0.2.5
[INFO] [stderr]   Downloaded mintex v0.1.2
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded append-only-bytes v0.1.5
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded crdt-list v0.4.1
[INFO] [stderr]   Downloaded debug-log v0.1.4
[INFO] [stderr]   Downloaded derive_arbitrary v1.2.3
[INFO] [stderr]   Downloaded arbtest v0.2.0
[INFO] [stderr]   Downloaded sys-info v0.9.1
[INFO] [stderr]   Downloaded arbitrary v1.2.3
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[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded symbolic-demangle v10.2.1
[INFO] [stderr]   Downloaded bumpalo v3.12.0
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded dhat v0.3.2
[INFO] [stderr]   Downloaded cpp_demangle v0.4.0
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
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[INFO] [stderr]   Downloaded semver v1.0.16
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[INFO] [stderr]   Downloaded heapless v0.7.16
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded thunderdome v0.6.0
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[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded enum-as-inner v0.5.1
[INFO] [stderr]   Downloaded rgb v0.8.36
[INFO] [stderr]   Downloaded serde v1.0.162
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded critical-section v1.1.1
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[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded serde_derive v1.0.162
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded cobs v0.2.3
[INFO] [stderr]   Downloaded color-backtrace v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
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[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded symbolic-common v10.2.1
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.11
[INFO] [stderr]   Downloaded itoa v1.0.6
[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] 98b42ab59cd901533c8ef55fcb19019a3781f79d4b03753ce5148b4b294d68d3
[INFO] running `Command { std: "docker" "start" "-a" "98b42ab59cd901533c8ef55fcb19019a3781f79d4b03753ce5148b4b294d68d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98b42ab59cd901533c8ef55fcb19019a3781f79d4b03753ce5148b4b294d68d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b42ab59cd901533c8ef55fcb19019a3781f79d4b03753ce5148b4b294d68d3", kill_on_drop: false }`
[INFO] [stdout] 98b42ab59cd901533c8ef55fcb19019a3781f79d4b03753ce5148b4b294d68d3
[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] 818aaf98f80898d6e893434577af97dfabaf0d2813d89a164fb67a8b4eacb784
[INFO] running `Command { std: "docker" "start" "-a" "818aaf98f80898d6e893434577af97dfabaf0d2813d89a164fb67a8b4eacb784", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.162
[INFO] [stderr]    Compiling serde v1.0.162
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling spin v0.9.5
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling thunderdome v0.6.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling arref v0.1.0
[INFO] [stderr]    Compiling debug-log v0.1.4
[INFO] [stderr]    Compiling generic-btree v0.3.0
[INFO] [stderr]    Compiling append-only-bytes v0.1.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 flate2 v1.0.25
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[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] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "818aaf98f80898d6e893434577af97dfabaf0d2813d89a164fb67a8b4eacb784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818aaf98f80898d6e893434577af97dfabaf0d2813d89a164fb67a8b4eacb784", kill_on_drop: false }`
[INFO] [stdout] 818aaf98f80898d6e893434577af97dfabaf0d2813d89a164fb67a8b4eacb784