[INFO] cloning repository https://github.com/goose121/mem-heartbeat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goose121/mem-heartbeat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoose121%2Fmem-heartbeat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoose121%2Fmem-heartbeat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c82003d5f29d1e5602d238f2af76db40f778d618 [INFO] checking goose121/mem-heartbeat against master#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145605 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoose121%2Fmem-heartbeat" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/goose121/mem-heartbeat [INFO] finished tweaking git repo https://github.com/goose121/mem-heartbeat [INFO] tweaked toml for git repo https://github.com/goose121/mem-heartbeat written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/goose121/mem-heartbeat on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/goose121/mem-heartbeat 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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bytesize v0.1.3 [INFO] [stderr] Downloaded systemstat v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0ab7d99f4294abf0d1d8b6ff2479f66ef0b7d8a721207d17cdbff96104ea6bf2 [INFO] running `Command { std: "docker" "start" "-a" "0ab7d99f4294abf0d1d8b6ff2479f66ef0b7d8a721207d17cdbff96104ea6bf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ab7d99f4294abf0d1d8b6ff2479f66ef0b7d8a721207d17cdbff96104ea6bf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ab7d99f4294abf0d1d8b6ff2479f66ef0b7d8a721207d17cdbff96104ea6bf2", kill_on_drop: false }` [INFO] [stdout] 0ab7d99f4294abf0d1d8b6ff2479f66ef0b7d8a721207d17cdbff96104ea6bf2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a808277b018aaf52493b94f15505042ff8b2bf51684503aa087b8f3402f1a2fb [INFO] running `Command { std: "docker" "start" "-a" "a808277b018aaf52493b94f15505042ff8b2bf51684503aa087b8f3402f1a2fb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking bytesize v0.1.3 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking page_size v0.6.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking systemstat v0.1.0 [INFO] [stderr] Checking mem-heartbeat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/heartbeat.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/heartbeat.rs:117:4 [INFO] [stdout] | [INFO] [stdout] 117 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/heartbeat.rs:126:4 [INFO] [stdout] | [INFO] [stdout] 126 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `test` [INFO] [stdout] --> src/heartbeat.rs:101:6 [INFO] [stdout] | [INFO] [stdout] 101 | use test::Bencher; [INFO] [stdout] | ^^^^ use of unresolved module or unlinked crate `test` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `test`, use `cargo add test` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mem-heartbeat` (bin "mem-heartbeat" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "a808277b018aaf52493b94f15505042ff8b2bf51684503aa087b8f3402f1a2fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a808277b018aaf52493b94f15505042ff8b2bf51684503aa087b8f3402f1a2fb", kill_on_drop: false }` [INFO] [stdout] a808277b018aaf52493b94f15505042ff8b2bf51684503aa087b8f3402f1a2fb