[INFO] fetching crate tinystd 0.2.0... [INFO] testing tinystd-0.2.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate tinystd 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate tinystd 0.2.0 [INFO] finished tweaking crates.io crate tinystd 0.2.0 [INFO] tweaked toml for crates.io crate tinystd 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tinystd 0.2.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tinystd 0.2.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 309f5b5682bac51683950312047db8be0b56be9dd00dbaba3922454e1348ee0b [INFO] running `Command { std: "docker" "start" "-a" "309f5b5682bac51683950312047db8be0b56be9dd00dbaba3922454e1348ee0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "309f5b5682bac51683950312047db8be0b56be9dd00dbaba3922454e1348ee0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "309f5b5682bac51683950312047db8be0b56be9dd00dbaba3922454e1348ee0b", kill_on_drop: false }` [INFO] [stdout] 309f5b5682bac51683950312047db8be0b56be9dd00dbaba3922454e1348ee0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad0cb4cc17946a14b129ab33928f62c4b9ba5248aa0e4a9655f2c0a077ba2e00 [INFO] running `Command { std: "docker" "start" "-a" "ad0cb4cc17946a14b129ab33928f62c4b9ba5248aa0e4a9655f2c0a077ba2e00", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling tinystd v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashmap.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | for mut pair in &mut self.data { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rc.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&rc::Shared` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 95 - drop(inner); [INFO] [stdout] 95 + let _ = inner; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.41s [INFO] running `Command { std: "docker" "inspect" "ad0cb4cc17946a14b129ab33928f62c4b9ba5248aa0e4a9655f2c0a077ba2e00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad0cb4cc17946a14b129ab33928f62c4b9ba5248aa0e4a9655f2c0a077ba2e00", kill_on_drop: false }` [INFO] [stdout] ad0cb4cc17946a14b129ab33928f62c4b9ba5248aa0e4a9655f2c0a077ba2e00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8763cf1bd191eeac5e3ca475f025b59ec4abf115e27060db3b7faa68aaa1ad6e [INFO] running `Command { std: "docker" "start" "-a" "8763cf1bd191eeac5e3ca475f025b59ec4abf115e27060db3b7faa68aaa1ad6e", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashmap.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | for mut pair in &mut self.data { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rc.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&rc::Shared` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 95 - drop(inner); [INFO] [stdout] 95 + let _ = inner; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tinystd v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashmap.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | for mut pair in &mut self.data { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rc.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&rc::Shared` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 95 - drop(inner); [INFO] [stdout] 95 + let _ = inner; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `Command { std: "docker" "inspect" "8763cf1bd191eeac5e3ca475f025b59ec4abf115e27060db3b7faa68aaa1ad6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8763cf1bd191eeac5e3ca475f025b59ec4abf115e27060db3b7faa68aaa1ad6e", kill_on_drop: false }` [INFO] [stdout] 8763cf1bd191eeac5e3ca475f025b59ec4abf115e27060db3b7faa68aaa1ad6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b6fcb673279c75ed888aecb82a3562f280a8eefb783527e49e7b63debce147b3 [INFO] running `Command { std: "docker" "start" "-a" "b6fcb673279c75ed888aecb82a3562f280a8eefb783527e49e7b63debce147b3", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/hashmap.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | for mut pair in &mut self.data { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/rc.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | drop(inner); [INFO] [stderr] | ^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&rc::Shared` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 95 - drop(inner); [INFO] [stderr] 95 + let _ = inner; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `tinystd` (lib) generated 2 warnings (run `cargo fix --lib -p tinystd` to apply 1 suggestion) [INFO] [stderr] warning: `tinystd` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tinystd-d6c70d9eeb39de28) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test channel::tests::recv_on_close ... ok [INFO] [stdout] test sort::bubble::tests::it_works ... ok [INFO] [stdout] test channel::tests::send_recv ... ok [INFO] [stdout] test sort::insertion::tests::not_smart_works ... ok [INFO] [stdout] test sort::insertion::tests::smart_works ... ok [INFO] [stdout] test sort::quick::tests::it_works ... ok [INFO] [stdout] test sort::selection::tests::it_works ... ok [INFO] [stdout] test sort::tests::std ... ok [INFO] [stdout] test channel::tests::send_on_close ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/benches/sorting.rs (/opt/rustwide/target/debug/deps/bench_sort-9fa1da9d58e64df9) [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 tinystd [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/hashmap.rs - hashmap::HashMap::get (line 113) ... ok [INFO] [stdout] test src/hashmap.rs - hashmap::HashMap::remove (line 132) ... ok [INFO] [stdout] test src/hashmap.rs - hashmap::HashMap::insert (line 95) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b6fcb673279c75ed888aecb82a3562f280a8eefb783527e49e7b63debce147b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6fcb673279c75ed888aecb82a3562f280a8eefb783527e49e7b63debce147b3", kill_on_drop: false }` [INFO] [stdout] b6fcb673279c75ed888aecb82a3562f280a8eefb783527e49e7b63debce147b3