[INFO] fetching crate observer_attribute 0.1.8... [INFO] testing observer_attribute-0.1.8 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate observer_attribute 0.1.8 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate observer_attribute 0.1.8 [INFO] finished tweaking crates.io crate observer_attribute 0.1.8 [INFO] tweaked toml for crates.io crate observer_attribute 0.1.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate observer_attribute 0.1.8 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding darling v0.9.0 (available: v0.21.3) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.101) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.41) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.106) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1eac17084e13d04400a0d14f33df2e75025efd14e9122f90bff9fedf19d1fe86 [INFO] running `Command { std: "docker" "start" "-a" "1eac17084e13d04400a0d14f33df2e75025efd14e9122f90bff9fedf19d1fe86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1eac17084e13d04400a0d14f33df2e75025efd14e9122f90bff9fedf19d1fe86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eac17084e13d04400a0d14f33df2e75025efd14e9122f90bff9fedf19d1fe86", kill_on_drop: false }` [INFO] [stdout] 1eac17084e13d04400a0d14f33df2e75025efd14e9122f90bff9fedf19d1fe86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5febf0ca7853c337a36384abb1761c5f2c91c1919fb22fb81577bd911c361e2a [INFO] running `Command { std: "docker" "start" "-a" "5febf0ca7853c337a36384abb1761c5f2c91c1919fb22fb81577bd911c361e2a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling darling_core v0.9.0 [INFO] [stderr] Compiling darling_macro v0.9.0 [INFO] [stderr] Compiling darling v0.9.0 [INFO] [stderr] Compiling observer_attribute v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `without_result` and `id` are never read [INFO] [stdout] --> src/lib.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 64 | struct MacroArgs { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 68 | without_result: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | id: Option, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.55s [INFO] running `Command { std: "docker" "inspect" "5febf0ca7853c337a36384abb1761c5f2c91c1919fb22fb81577bd911c361e2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5febf0ca7853c337a36384abb1761c5f2c91c1919fb22fb81577bd911c361e2a", kill_on_drop: false }` [INFO] [stdout] 5febf0ca7853c337a36384abb1761c5f2c91c1919fb22fb81577bd911c361e2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38bcc864ada6d8af52e59b3ca2c6246e20595a1ee20042993a93763f3f17b8ad [INFO] running `Command { std: "docker" "start" "-a" "38bcc864ada6d8af52e59b3ca2c6246e20595a1ee20042993a93763f3f17b8ad", kill_on_drop: false }` [INFO] [stderr] Compiling observer_attribute v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `without_result` and `id` are never read [INFO] [stdout] --> src/lib.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 64 | struct MacroArgs { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 68 | without_result: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | id: Option, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `without_result` and `id` are never read [INFO] [stdout] --> src/lib.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 64 | struct MacroArgs { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 68 | without_result: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | id: Option, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "38bcc864ada6d8af52e59b3ca2c6246e20595a1ee20042993a93763f3f17b8ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38bcc864ada6d8af52e59b3ca2c6246e20595a1ee20042993a93763f3f17b8ad", kill_on_drop: false }` [INFO] [stdout] 38bcc864ada6d8af52e59b3ca2c6246e20595a1ee20042993a93763f3f17b8ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 82e1104956502b71aa86d6eb3abbe377436c193001d99d10aa1e58a443730f0a [INFO] running `Command { std: "docker" "start" "-a" "82e1104956502b71aa86d6eb3abbe377436c193001d99d10aa1e58a443730f0a", kill_on_drop: false }` [INFO] [stderr] warning: fields `without_result` and `id` are never read [INFO] [stderr] --> src/lib.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 64 | struct MacroArgs { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 68 | without_result: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 72 | id: Option, [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `observer_attribute` (lib) generated 1 warning [INFO] [stderr] warning: `observer_attribute` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/observer_attribute-f3662b1a4bc539f4) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests observer_attribute [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "82e1104956502b71aa86d6eb3abbe377436c193001d99d10aa1e58a443730f0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82e1104956502b71aa86d6eb3abbe377436c193001d99d10aa1e58a443730f0a", kill_on_drop: false }` [INFO] [stdout] 82e1104956502b71aa86d6eb3abbe377436c193001d99d10aa1e58a443730f0a