[INFO] fetching crate inline-vbs-macros 0.4.0...
[INFO] testing inline-vbs-macros-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate inline-vbs-macros 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate inline-vbs-macros 0.4.0
[INFO] finished tweaking crates.io crate inline-vbs-macros 0.4.0
[INFO] tweaked toml for crates.io crate inline-vbs-macros 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate inline-vbs-macros 0.4.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding litrs v0.4.2 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded litrs v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 738d01e669ab811794ad38340824b3d1c06289141217384db377f36b4d49e288
[INFO] running `Command { std: "docker" "start" "-a" "738d01e669ab811794ad38340824b3d1c06289141217384db377f36b4d49e288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "738d01e669ab811794ad38340824b3d1c06289141217384db377f36b4d49e288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738d01e669ab811794ad38340824b3d1c06289141217384db377f36b4d49e288", kill_on_drop: false }`
[INFO] [stdout] 738d01e669ab811794ad38340824b3d1c06289141217384db377f36b4d49e288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22e7fd69a75d3ee47bf97fdabd38813be10ea2cc8983649fbcc39f3d6fb33c1b
[INFO] running `Command { std: "docker" "start" "-a" "22e7fd69a75d3ee47bf97fdabd38813be10ea2cc8983649fbcc39f3d6fb33c1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling inline-vbs-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `proc_macro::LineColumn`
[INFO] [stdout]   --> src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use proc_macro::LineColumn;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ no `LineColumn` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![feature(proc_macro_span)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `column` on type `proc_macro::Span`
[INFO] [stdout]    --> src/lib.rs:197:29
[INFO] [stdout]     |
[INFO] [stdout] 197 |                     end_loc.column = end_loc.column.saturating_sub(end.len());
[INFO] [stdout]     |                             ^^^^^^ method, not a field
[INFO] [stdout]     |
[INFO] [stdout]     = help: methods are immutable and cannot be assigned to
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `column` on type `proc_macro::Span`
[INFO] [stdout]    --> src/lib.rs:197:46
[INFO] [stdout]     |
[INFO] [stdout] 197 |                     end_loc.column = end_loc.column.saturating_sub(end.len());
[INFO] [stdout]     |                                              ^^^^^^ method, not a field
[INFO] [stdout]     |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]     |
[INFO] [stdout] 197 |                     end_loc.column = end_loc.column().saturating_sub(end.len());
[INFO] [stdout]     |                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0615.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inline-vbs-macros` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "22e7fd69a75d3ee47bf97fdabd38813be10ea2cc8983649fbcc39f3d6fb33c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e7fd69a75d3ee47bf97fdabd38813be10ea2cc8983649fbcc39f3d6fb33c1b", kill_on_drop: false }`
[INFO] [stdout] 22e7fd69a75d3ee47bf97fdabd38813be10ea2cc8983649fbcc39f3d6fb33c1b
