[INFO] fetching crate precord-core 0.7.15-20250911... [INFO] testing precord-core-0.7.15-20250911 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate precord-core 0.7.15-20250911 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate precord-core 0.7.15-20250911 [INFO] finished tweaking crates.io crate precord-core 0.7.15-20250911 [INFO] tweaked toml for crates.io crate precord-core 0.7.15-20250911 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate precord-core 0.7.15-20250911 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate precord-core 0.7.15-20250911 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a4d4998c7cfe36907c960f823452bafcf813d8bb7938567d551cbb7b74a2b20 [INFO] running `Command { std: "docker" "start" "-a" "9a4d4998c7cfe36907c960f823452bafcf813d8bb7938567d551cbb7b74a2b20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a4d4998c7cfe36907c960f823452bafcf813d8bb7938567d551cbb7b74a2b20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a4d4998c7cfe36907c960f823452bafcf813d8bb7938567d551cbb7b74a2b20", kill_on_drop: false }` [INFO] [stdout] 9a4d4998c7cfe36907c960f823452bafcf813d8bb7938567d551cbb7b74a2b20 [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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ebfe4de2e280af8ab9a65af1c4d459f7801eec825acf00a9dec37546e0e0b0a [INFO] running `Command { std: "docker" "start" "-a" "9ebfe4de2e280af8ab9a65af1c4d459f7801eec825acf00a9dec37546e0e0b0a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling syn v2.0.91 [INFO] [stderr] Compiling sysinfo v0.30.13 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Compiling precord-core v0.7.15-20250911 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pids` [INFO] [stdout] --> src/system.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | pids: T, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pids` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `features` is never read [INFO] [stdout] --> src/system.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct System { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | features: Features, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [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 15.76s [INFO] running `Command { std: "docker" "inspect" "9ebfe4de2e280af8ab9a65af1c4d459f7801eec825acf00a9dec37546e0e0b0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ebfe4de2e280af8ab9a65af1c4d459f7801eec825acf00a9dec37546e0e0b0a", kill_on_drop: false }` [INFO] [stdout] 9ebfe4de2e280af8ab9a65af1c4d459f7801eec825acf00a9dec37546e0e0b0a [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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5cddf1a04494f0ae33db83f798a5bd425a708541038767ff35fe7e79dec7449 [INFO] running `Command { std: "docker" "start" "-a" "b5cddf1a04494f0ae33db83f798a5bd425a708541038767ff35fe7e79dec7449", kill_on_drop: false }` [INFO] [stderr] Compiling precord-core v0.7.15-20250911 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pids` [INFO] [stdout] --> src/system.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | pids: T, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pids` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `features` is never read [INFO] [stdout] --> src/system.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct System { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | features: Features, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pids` [INFO] [stdout] --> src/system.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | pids: T, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pids` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `features` is never read [INFO] [stdout] --> src/system.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct System { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | features: Features, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [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 0.52s [INFO] running `Command { std: "docker" "inspect" "b5cddf1a04494f0ae33db83f798a5bd425a708541038767ff35fe7e79dec7449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5cddf1a04494f0ae33db83f798a5bd425a708541038767ff35fe7e79dec7449", kill_on_drop: false }` [INFO] [stdout] b5cddf1a04494f0ae33db83f798a5bd425a708541038767ff35fe7e79dec7449 [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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 82ded7dbd01c70a7b779afdad5813d622a64181c3881500ad345b21e604571bd [INFO] running `Command { std: "docker" "start" "-a" "82ded7dbd01c70a7b779afdad5813d622a64181c3881500ad345b21e604571bd", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `pids` [INFO] [stderr] --> src/system.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | pids: T, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pids` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `features` is never read [INFO] [stderr] --> src/system.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct System { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] ... [INFO] [stderr] 14 | features: Features, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `precord-core` (lib) generated 2 warnings [INFO] [stderr] warning: `precord-core` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/precord_core-c476d6939134bb9b) [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 precord_core [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" "82ded7dbd01c70a7b779afdad5813d622a64181c3881500ad345b21e604571bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82ded7dbd01c70a7b779afdad5813d622a64181c3881500ad345b21e604571bd", kill_on_drop: false }` [INFO] [stdout] 82ded7dbd01c70a7b779afdad5813d622a64181c3881500ad345b21e604571bd