[INFO] fetching crate derive-collect-docs 0.1.0... [INFO] checking derive-collect-docs-0.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate derive-collect-docs 0.1.0 into /workspace/builds/worker-29/source [INFO] validating manifest of crates.io crate derive-collect-docs 0.1.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-29/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unindent v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] adec91819951277fffd80ea4fbec5cc0b822ab8a1306e92df7b65176499550ec [INFO] running `Command { std: "docker" "start" "-a" "adec91819951277fffd80ea4fbec5cc0b822ab8a1306e92df7b65176499550ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "adec91819951277fffd80ea4fbec5cc0b822ab8a1306e92df7b65176499550ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adec91819951277fffd80ea4fbec5cc0b822ab8a1306e92df7b65176499550ec", kill_on_drop: false }` [INFO] [stdout] adec91819951277fffd80ea4fbec5cc0b822ab8a1306e92df7b65176499550ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da449bbc8b7592f28104fe6d8201a7429b9190327abe8e22833283048be12f59 [INFO] running `Command { std: "docker" "start" "-a" "da449bbc8b7592f28104fe6d8201a7429b9190327abe8e22833283048be12f59", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] syn v1.0.17: visit [INFO] [stderr] syn v1.0.17 (as host dependency): visit [INFO] [stderr] [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking unicode-xid v0.2.0 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Checking unindent v0.1.5 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking quote v1.0.3 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking derive-collect-docs v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Migrating examples/foo.rs from 2018 edition to 2021 [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] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.11s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling derive-collect-docs v0.1.0 (/tmp/fixit) [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] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.59s [INFO] running `Command { std: "docker" "inspect" "da449bbc8b7592f28104fe6d8201a7429b9190327abe8e22833283048be12f59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da449bbc8b7592f28104fe6d8201a7429b9190327abe8e22833283048be12f59", kill_on_drop: false }` [INFO] [stdout] da449bbc8b7592f28104fe6d8201a7429b9190327abe8e22833283048be12f59