[INFO] fetching crate const-source-position 0.1.0...
[INFO] testing const-source-position-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate const-source-position 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate const-source-position 0.1.0
[INFO] finished tweaking crates.io crate const-source-position 0.1.0
[INFO] tweaked toml for crates.io crate const-source-position 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate const-source-position 0.1.0 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 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[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] 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] 1d7b8afa7644bb4758967fde5779cb4680f10ef53479603eea53a87e7a0f2307
[INFO] running `Command { std: "docker" "start" "-a" "1d7b8afa7644bb4758967fde5779cb4680f10ef53479603eea53a87e7a0f2307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7b8afa7644bb4758967fde5779cb4680f10ef53479603eea53a87e7a0f2307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7b8afa7644bb4758967fde5779cb4680f10ef53479603eea53a87e7a0f2307", kill_on_drop: false }`
[INFO] [stdout] 1d7b8afa7644bb4758967fde5779cb4680f10ef53479603eea53a87e7a0f2307
[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] e84f95e8fe985b0dd88da44f940e5a15e0cdefbed0b8b0d04a0995eeca564dba
[INFO] running `Command { std: "docker" "start" "-a" "e84f95e8fe985b0dd88da44f940e5a15e0cdefbed0b8b0d04a0995eeca564dba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling const-source-position v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(adt_const_params)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `proc_macro::Span` in the current scope
[INFO] [stdout]   --> src/lib.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |       (*span
[INFO] [stdout]    |  _______-
[INFO] [stdout] 50 | |         .source_file()
[INFO] [stdout]    | |_________-^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 50 -         .source_file()
[INFO] [stdout] 50 +         .source()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `line` on type `proc_macro::Span`
[INFO] [stdout]   --> src/lib.rs:58:57
[INFO] [stdout]    |
[INFO] [stdout] 58 |     file_source.push_str(&format!(":{}:{}", line_column.line, line_column.column));
[INFO] [stdout]    |                                                         ^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 58 |     file_source.push_str(&format!(":{}:{}", line_column.line(), line_column.column));
[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:58:75
[INFO] [stdout]    |
[INFO] [stdout] 58 |     file_source.push_str(&format!(":{}:{}", line_column.line, line_column.column));
[INFO] [stdout]    |                                                                           ^^^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 58 |     file_source.push_str(&format!(":{}:{}", line_column.line, line_column.column()));
[INFO] [stdout]    |                                                                                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0615.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-source-position` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "e84f95e8fe985b0dd88da44f940e5a15e0cdefbed0b8b0d04a0995eeca564dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84f95e8fe985b0dd88da44f940e5a15e0cdefbed0b8b0d04a0995eeca564dba", kill_on_drop: false }`
[INFO] [stdout] e84f95e8fe985b0dd88da44f940e5a15e0cdefbed0b8b0d04a0995eeca564dba