[INFO] fetching crate smalloca 0.1.0... [INFO] testing smalloca-0.1.0 against master#2fe50cd72c476ebacdedb14893e9632b4de961c2 for pr-116088-2 [INFO] extracting crate smalloca 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate smalloca 0.1.0 on toolchain 2fe50cd72c476ebacdedb14893e9632b4de961c2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate smalloca 0.1.0 [INFO] finished tweaking crates.io crate smalloca 0.1.0 [INFO] tweaked toml for crates.io crate smalloca 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e04f8f3e3820bba133e1105ec62f88aafa8c75a2a0e126224c0add8851bd82f [INFO] running `Command { std: "docker" "start" "-a" "9e04f8f3e3820bba133e1105ec62f88aafa8c75a2a0e126224c0add8851bd82f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e04f8f3e3820bba133e1105ec62f88aafa8c75a2a0e126224c0add8851bd82f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e04f8f3e3820bba133e1105ec62f88aafa8c75a2a0e126224c0add8851bd82f", kill_on_drop: false }` [INFO] [stdout] 9e04f8f3e3820bba133e1105ec62f88aafa8c75a2a0e126224c0add8851bd82f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2e37c98e76e4b20e659fec055246263a5487ad2f9ec035b5f22555916d1b0d9 [INFO] running `Command { std: "docker" "start" "-a" "b2e37c98e76e4b20e659fec055246263a5487ad2f9ec035b5f22555916d1b0d9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling smalloca v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:58:18 [INFO] [stdout] | [INFO] [stdout] 58 | unsafe { core::mem::replace::(&mut smalloca[i], core::mem::zeroed::()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | unsafe { let _ = core::mem::replace::(&mut smalloca[i], core::mem::zeroed::()); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `Command { std: "docker" "inspect" "b2e37c98e76e4b20e659fec055246263a5487ad2f9ec035b5f22555916d1b0d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2e37c98e76e4b20e659fec055246263a5487ad2f9ec035b5f22555916d1b0d9", kill_on_drop: false }` [INFO] [stdout] b2e37c98e76e4b20e659fec055246263a5487ad2f9ec035b5f22555916d1b0d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 947898c510329689c7291e4259e44366d3d0b9ee6daed4dca3bb7ed88e44dc0f [INFO] running `Command { std: "docker" "start" "-a" "947898c510329689c7291e4259e44366d3d0b9ee6daed4dca3bb7ed88e44dc0f", kill_on_drop: false }` [INFO] [stderr] Compiling smalloca v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:58:18 [INFO] [stdout] | [INFO] [stdout] 58 | unsafe { core::mem::replace::(&mut smalloca[i], core::mem::zeroed::()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | unsafe { let _ = core::mem::replace::(&mut smalloca[i], core::mem::zeroed::()); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `genesis` is never read [INFO] [stdout] --> src/lib.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 170 | struct MemSafetyTester { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 171 | genesis: isize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MemSafetyTester` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:58:18 [INFO] [stdout] | [INFO] [stdout] 58 | unsafe { core::mem::replace::(&mut smalloca[i], core::mem::zeroed::()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | unsafe { let _ = core::mem::replace::(&mut smalloca[i], core::mem::zeroed::()); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "947898c510329689c7291e4259e44366d3d0b9ee6daed4dca3bb7ed88e44dc0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "947898c510329689c7291e4259e44366d3d0b9ee6daed4dca3bb7ed88e44dc0f", kill_on_drop: false }` [INFO] [stdout] 947898c510329689c7291e4259e44366d3d0b9ee6daed4dca3bb7ed88e44dc0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a2a11bb3f430dacbd2460682e8caa8290ce56920c07465c36bda4f787c63d0ac [INFO] running `Command { std: "docker" "start" "-a" "a2a11bb3f430dacbd2460682e8caa8290ce56920c07465c36bda4f787c63d0ac", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:58:18 [INFO] [stderr] | [INFO] [stderr] 58 | unsafe { core::mem::replace::(&mut smalloca[i], core::mem::zeroed::()) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 58 | unsafe { let _ = core::mem::replace::(&mut smalloca[i], core::mem::zeroed::()); }; [INFO] [stderr] | +++++++ + [INFO] [stderr] [INFO] [stderr] warning: `smalloca` (lib) generated 1 warning [INFO] [stderr] warning: field `genesis` is never read [INFO] [stderr] --> src/lib.rs:171:9 [INFO] [stderr] | [INFO] [stderr] 170 | struct MemSafetyTester { [INFO] [stderr] | --------------- field in this struct [INFO] [stderr] 171 | genesis: isize, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `MemSafetyTester` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `smalloca` (lib test) generated 2 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smalloca-c05085fb36b03b14) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::return_test ... ok [INFO] [stdout] test tests::memsafety_test_default ... ok [INFO] [stdout] test tests::memsafety_test_clone ... ok [INFO] [stdout] test tests::inner_fucntion_call_test ... ok [INFO] [stdout] test tests::dyn_smalloca_test ... ok [INFO] [stdout] test tests::panic_test - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests smalloca [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" "a2a11bb3f430dacbd2460682e8caa8290ce56920c07465c36bda4f787c63d0ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2a11bb3f430dacbd2460682e8caa8290ce56920c07465c36bda4f787c63d0ac", kill_on_drop: false }` [INFO] [stdout] a2a11bb3f430dacbd2460682e8caa8290ce56920c07465c36bda4f787c63d0ac