[INFO] fetching crate rusty-html-macros 0.1.0...
[INFO] testing rusty-html-macros-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate rusty-html-macros 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rusty-html-macros 0.1.0
[INFO] finished tweaking crates.io crate rusty-html-macros 0.1.0
[INFO] tweaked toml for crates.io crate rusty-html-macros 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-html-macros 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c2361da04a043973c3747ee5d22ef7f2491b32a98d39380b22955690cb4402ed
[INFO] running `Command { std: "docker" "start" "-a" "c2361da04a043973c3747ee5d22ef7f2491b32a98d39380b22955690cb4402ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2361da04a043973c3747ee5d22ef7f2491b32a98d39380b22955690cb4402ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2361da04a043973c3747ee5d22ef7f2491b32a98d39380b22955690cb4402ed", kill_on_drop: false }`
[INFO] [stdout] c2361da04a043973c3747ee5d22ef7f2491b32a98d39380b22955690cb4402ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b64e3b7019a6fdb600f59ba353f0cf8e3a36940ae0bd219fc50e9a49c251fda6
[INFO] running `Command { std: "docker" "start" "-a" "b64e3b7019a6fdb600f59ba353f0cf8e3a36940ae0bd219fc50e9a49c251fda6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-html-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_span_shrink)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `before` found for struct `proc_macro::Span` in the current scope
[INFO] [stdout]   --> src/parser.rs:39:42
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   group.span().before().join(self.span_ptr)?.source_text()
[INFO] [stdout]    |                                    ^^^^^^ method not found in `proc_macro::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-html-macros` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b64e3b7019a6fdb600f59ba353f0cf8e3a36940ae0bd219fc50e9a49c251fda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64e3b7019a6fdb600f59ba353f0cf8e3a36940ae0bd219fc50e9a49c251fda6", kill_on_drop: false }`
[INFO] [stdout] b64e3b7019a6fdb600f59ba353f0cf8e3a36940ae0bd219fc50e9a49c251fda6