[INFO] fetching crate dirmod-docsrs-test 0.1.3...
[INFO] testing dirmod-docsrs-test-0.1.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dirmod-docsrs-test 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate dirmod-docsrs-test 0.1.3
[INFO] finished tweaking crates.io crate dirmod-docsrs-test 0.1.3
[INFO] tweaked toml for crates.io crate dirmod-docsrs-test 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dirmod-docsrs-test 0.1.3 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 8 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirmod-codegen v0.1.4
[INFO] [stderr]   Downloaded dirmod v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1640c152f8cf95fd504957502e270228a56f60aba80de4e8104074a10976e5d1
[INFO] running `Command { std: "docker" "start" "-a" "1640c152f8cf95fd504957502e270228a56f60aba80de4e8104074a10976e5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1640c152f8cf95fd504957502e270228a56f60aba80de4e8104074a10976e5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1640c152f8cf95fd504957502e270228a56f60aba80de4e8104074a10976e5d1", kill_on_drop: false }`
[INFO] [stdout] 1640c152f8cf95fd504957502e270228a56f60aba80de4e8104074a10976e5d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 90f456473de9a5419615498c812ab3c16ed235b1c3f6a2a1faee0468742c41b9
[INFO] running `Command { std: "docker" "start" "-a" "90f456473de9a5419615498c812ab3c16ed235b1c3f6a2a1faee0468742c41b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling dirmod-codegen v0.1.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dirmod-codegen-0.1.4/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dirmod-codegen-0.1.4/src/imp.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let src = span.source_file();
[INFO] [stdout]     |                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 197 -     let src = span.source_file();
[INFO] [stdout] 197 +     let src = span.source();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dirmod-codegen` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "90f456473de9a5419615498c812ab3c16ed235b1c3f6a2a1faee0468742c41b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f456473de9a5419615498c812ab3c16ed235b1c3f6a2a1faee0468742c41b9", kill_on_drop: false }`
[INFO] [stdout] 90f456473de9a5419615498c812ab3c16ed235b1c3f6a2a1faee0468742c41b9