[INFO] fetching crate fixed-size-buf 1.2.0... [INFO] testing fixed-size-buf-1.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate fixed-size-buf 1.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate fixed-size-buf 1.2.0 [INFO] finished tweaking crates.io crate fixed-size-buf 1.2.0 [INFO] tweaked toml for crates.io crate fixed-size-buf 1.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fixed-size-buf 1.2.0 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] crate crates.io crate fixed-size-buf 1.2.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bb7c900769428ef16b5682d2dfc460cf41ba9aa35c27172724de87b58fa7408f [INFO] running `Command { std: "docker" "start" "-a" "bb7c900769428ef16b5682d2dfc460cf41ba9aa35c27172724de87b58fa7408f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb7c900769428ef16b5682d2dfc460cf41ba9aa35c27172724de87b58fa7408f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb7c900769428ef16b5682d2dfc460cf41ba9aa35c27172724de87b58fa7408f", kill_on_drop: false }` [INFO] [stdout] bb7c900769428ef16b5682d2dfc460cf41ba9aa35c27172724de87b58fa7408f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 50a884cf0dcfdd36e4467b5020f66632b0cc1902a395a662a4195f3eaf679beb [INFO] running `Command { std: "docker" "start" "-a" "50a884cf0dcfdd36e4467b5020f66632b0cc1902a395a662a4195f3eaf679beb", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling fixed-size-buf v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `push_thread` is never used [INFO] [stdout] --> src/lib.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl Buffer { [INFO] [stdout] | ------------------------------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 71 | fn push_thread(&self, thread: Thread) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/backing_buffer.rs:19:26 [INFO] [stdout] | [INFO] [stdout] 18 | impl BackingBuffer { [INFO] [stdout] | -------------------------------------------------------------------------------------- associated function in this implementation [INFO] [stdout] 19 | pub(crate) unsafe fn new(inner: Inner) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "50a884cf0dcfdd36e4467b5020f66632b0cc1902a395a662a4195f3eaf679beb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50a884cf0dcfdd36e4467b5020f66632b0cc1902a395a662a4195f3eaf679beb", kill_on_drop: false }` [INFO] [stdout] 50a884cf0dcfdd36e4467b5020f66632b0cc1902a395a662a4195f3eaf679beb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 92c5fdb14d0f105284de3e52025c6f6ff719e34fdadf23eee646f1453bf27f85 [INFO] running `Command { std: "docker" "start" "-a" "92c5fdb14d0f105284de3e52025c6f6ff719e34fdadf23eee646f1453bf27f85", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling oneshot v0.1.10 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling memmap2 v0.9.5 [INFO] [stdout] warning: method `push_thread` is never used [INFO] [stdout] --> src/lib.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl Buffer { [INFO] [stdout] | ------------------------------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 71 | fn push_thread(&self, thread: Thread) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/backing_buffer.rs:19:26 [INFO] [stdout] | [INFO] [stdout] 18 | impl BackingBuffer { [INFO] [stdout] | -------------------------------------------------------------------------------------- associated function in this implementation [INFO] [stdout] 19 | pub(crate) unsafe fn new(inner: Inner) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling fixed-size-buf v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `io::Write` [INFO] [stdout] --> src/lib.rs:205:15 [INFO] [stdout] | [INFO] [stdout] 205 | use std::{io::Write, thread, time::Duration}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tempdir::TempDir` [INFO] [stdout] --> src/lib.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | use tempdir::TempDir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `push_thread` is never used [INFO] [stdout] --> src/lib.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl Buffer { [INFO] [stdout] | ------------------------------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 71 | fn push_thread(&self, thread: Thread) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/backing_buffer.rs:19:26 [INFO] [stdout] | [INFO] [stdout] 18 | impl BackingBuffer { [INFO] [stdout] | -------------------------------------------------------------------------------------- associated function in this implementation [INFO] [stdout] 19 | pub(crate) unsafe fn new(inner: Inner) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 10.18s [INFO] running `Command { std: "docker" "inspect" "92c5fdb14d0f105284de3e52025c6f6ff719e34fdadf23eee646f1453bf27f85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92c5fdb14d0f105284de3e52025c6f6ff719e34fdadf23eee646f1453bf27f85", kill_on_drop: false }` [INFO] [stdout] 92c5fdb14d0f105284de3e52025c6f6ff719e34fdadf23eee646f1453bf27f85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0b4c05d73989ac505b467ef846c434d75f979308ce92ce68ae7b753ff0e8a457 [INFO] running `Command { std: "docker" "start" "-a" "0b4c05d73989ac505b467ef846c434d75f979308ce92ce68ae7b753ff0e8a457", kill_on_drop: false }` [INFO] [stderr] warning: method `push_thread` is never used [INFO] [stderr] --> src/lib.rs:71:8 [INFO] [stderr] | [INFO] [stderr] 42 | impl Buffer { [INFO] [stderr] | ------------------------------------------------------------------------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 71 | fn push_thread(&self, thread: Thread) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/backing_buffer.rs:19:26 [INFO] [stderr] | [INFO] [stderr] 18 | impl BackingBuffer { [INFO] [stderr] | -------------------------------------------------------------------------------------- associated function in this implementation [INFO] [stderr] 19 | pub(crate) unsafe fn new(inner: Inner) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `fixed-size-buf` (lib) generated 2 warnings [INFO] [stderr] warning: unused import: `io::Write` [INFO] [stderr] --> src/lib.rs:205:15 [INFO] [stderr] | [INFO] [stderr] 205 | use std::{io::Write, thread, time::Duration}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tempdir::TempDir` [INFO] [stderr] --> src/lib.rs:207:9 [INFO] [stderr] | [INFO] [stderr] 207 | use tempdir::TempDir; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `fixed-size-buf` (lib test) generated 4 warnings (2 duplicates) (run `cargo fix --lib -p fixed-size-buf --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fixed_size_buf-f024b39c53167063) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::basic_test ... ok [INFO] [stderr] Doc-tests fixed_size_buf [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s [INFO] [stdout] [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" "0b4c05d73989ac505b467ef846c434d75f979308ce92ce68ae7b753ff0e8a457", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b4c05d73989ac505b467ef846c434d75f979308ce92ce68ae7b753ff0e8a457", kill_on_drop: false }` [INFO] [stdout] 0b4c05d73989ac505b467ef846c434d75f979308ce92ce68ae7b753ff0e8a457