[INFO] fetching crate derive-collect-docs 0.1.0... [INFO] testing derive-collect-docs-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate derive-collect-docs 0.1.0 into /workspace/builds/worker-81/source [INFO] validating manifest of crates.io crate derive-collect-docs 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate derive-collect-docs 0.1.0 [INFO] finished tweaking crates.io crate derive-collect-docs 0.1.0 [INFO] tweaked toml for crates.io crate derive-collect-docs 0.1.0 written to /workspace/builds/worker-81/source/Cargo.toml [INFO] crate crates.io crate derive-collect-docs 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_yaml v0.8.11 [INFO] [stderr] Downloaded dtoa v0.4.5 [INFO] [stderr] Downloaded unindent v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa9df8934caccfdc3cc5c64008a753734a36a749d965c38a7eda51e13905fd2a [INFO] running `Command { std: "docker" "start" "-a" "fa9df8934caccfdc3cc5c64008a753734a36a749d965c38a7eda51e13905fd2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa9df8934caccfdc3cc5c64008a753734a36a749d965c38a7eda51e13905fd2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa9df8934caccfdc3cc5c64008a753734a36a749d965c38a7eda51e13905fd2a", kill_on_drop: false }` [INFO] [stdout] fa9df8934caccfdc3cc5c64008a753734a36a749d965c38a7eda51e13905fd2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ab6f87891a556b795fb56ee6935b79f6415a3fe64f432ddea4b21e3b99a8941 [INFO] running `Command { std: "docker" "start" "-a" "5ab6f87891a556b795fb56ee6935b79f6415a3fe64f432ddea4b21e3b99a8941", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling once_cell v1.3.1 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling derive-collect-docs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.61s [INFO] running `Command { std: "docker" "inspect" "5ab6f87891a556b795fb56ee6935b79f6415a3fe64f432ddea4b21e3b99a8941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ab6f87891a556b795fb56ee6935b79f6415a3fe64f432ddea4b21e3b99a8941", kill_on_drop: false }` [INFO] [stdout] 5ab6f87891a556b795fb56ee6935b79f6415a3fe64f432ddea4b21e3b99a8941 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3889bef17095afbc12e38daca7bf074584b9b8cb34ba9734d25eff0492d8a82 [INFO] running `Command { std: "docker" "start" "-a" "b3889bef17095afbc12e38daca7bf074584b9b8cb34ba9734d25eff0492d8a82", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling dtoa v0.4.5 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling yaml-rust v0.4.3 [INFO] [stderr] Compiling serde_yaml v0.8.11 [INFO] [stderr] Compiling derive-collect-docs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: proc-macro derive panicked [INFO] [stdout] --> examples/foo.rs:13:37 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Debug, serde::Deserialize, CollectDocs)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: message: could not create directory ./docs/generated: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> examples/foo.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | #[example( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | #[derive(Debug, serde::Deserialize, CollectDocs)] [INFO] [stdout] | ----------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `derive-collect-docs` due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b3889bef17095afbc12e38daca7bf074584b9b8cb34ba9734d25eff0492d8a82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3889bef17095afbc12e38daca7bf074584b9b8cb34ba9734d25eff0492d8a82", kill_on_drop: false }` [INFO] [stdout] b3889bef17095afbc12e38daca7bf074584b9b8cb34ba9734d25eff0492d8a82