[INFO] fetching crate Pointers_Study_With_Core_Concepts 0.1.0... [INFO] testing Pointers_Study_With_Core_Concepts-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate Pointers_Study_With_Core_Concepts 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate Pointers_Study_With_Core_Concepts 0.1.0 [INFO] finished tweaking crates.io crate Pointers_Study_With_Core_Concepts 0.1.0 [INFO] tweaked toml for crates.io crate Pointers_Study_With_Core_Concepts 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate Pointers_Study_With_Core_Concepts 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa81f4266cc3c3cccee3b6d3ea9be04b6ca18813654c47e04c444cc8544a4269 [INFO] running `Command { std: "docker" "start" "-a" "fa81f4266cc3c3cccee3b6d3ea9be04b6ca18813654c47e04c444cc8544a4269", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa81f4266cc3c3cccee3b6d3ea9be04b6ca18813654c47e04c444cc8544a4269", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa81f4266cc3c3cccee3b6d3ea9be04b6ca18813654c47e04c444cc8544a4269", kill_on_drop: false }` [INFO] [stdout] fa81f4266cc3c3cccee3b6d3ea9be04b6ca18813654c47e04c444cc8544a4269 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a44154a3a6f36524d0c0be6bfacb719a5554d9e37de8a008f448c48fd2f83e3c [INFO] running `Command { std: "docker" "start" "-a" "a44154a3a6f36524d0c0be6bfacb719a5554d9e37de8a008f448c48fd2f83e3c", kill_on_drop: false }` [INFO] [stderr] Compiling Pointers_Study_With_Core_Concepts v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: crate `Pointers_Study_With_Core_Concepts` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `pointers_study_with_core_concepts` [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) 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:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RcInner` [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] 81 - drop(inner); [INFO] [stdout] 81 + let _ = inner; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/rc.rs:84:22 [INFO] [stdout] | [INFO] [stdout] 84 | unsafe { Box::from_raw(self.inner.as_ptr()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 84 | unsafe { let _ = Box::from_raw(self.inner.as_ptr()); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "a44154a3a6f36524d0c0be6bfacb719a5554d9e37de8a008f448c48fd2f83e3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a44154a3a6f36524d0c0be6bfacb719a5554d9e37de8a008f448c48fd2f83e3c", kill_on_drop: false }` [INFO] [stdout] a44154a3a6f36524d0c0be6bfacb719a5554d9e37de8a008f448c48fd2f83e3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2687a71db502e3693a73171623dbfb31f96181f518a67ec01a8ea56884b36a8c [INFO] running `Command { std: "docker" "start" "-a" "2687a71db502e3693a73171623dbfb31f96181f518a67ec01a8ea56884b36a8c", kill_on_drop: false }` [INFO] [stdout] warning: crate `Pointers_Study_With_Core_Concepts` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `pointers_study_with_core_concepts` [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) 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:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RcInner` [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] 81 - drop(inner); [INFO] [stdout] 81 + let _ = inner; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/rc.rs:84:22 [INFO] [stdout] | [INFO] [stdout] 84 | unsafe { Box::from_raw(self.inner.as_ptr()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 84 | unsafe { let _ = Box::from_raw(self.inner.as_ptr()); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling Pointers_Study_With_Core_Concepts v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rc.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RcInner` [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] 81 - drop(inner); [INFO] [stdout] 81 + let _ = inner; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/rc.rs:84:22 [INFO] [stdout] | [INFO] [stdout] 84 | unsafe { Box::from_raw(self.inner.as_ptr()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 84 | unsafe { let _ = Box::from_raw(self.inner.as_ptr()); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "2687a71db502e3693a73171623dbfb31f96181f518a67ec01a8ea56884b36a8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2687a71db502e3693a73171623dbfb31f96181f518a67ec01a8ea56884b36a8c", kill_on_drop: false }` [INFO] [stdout] 2687a71db502e3693a73171623dbfb31f96181f518a67ec01a8ea56884b36a8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9143e8466285f8fc7586d65fa34d530e6c14a930d27095c87bd1d564aaca6bb6 [INFO] running `Command { std: "docker" "start" "-a" "9143e8466285f8fc7586d65fa34d530e6c14a930d27095c87bd1d564aaca6bb6", kill_on_drop: false }` [INFO] [stderr] warning: crate `Pointers_Study_With_Core_Concepts` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = help: convert the identifier to snake case: `pointers_study_with_core_concepts` [INFO] [stderr] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) 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:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | drop(inner); [INFO] [stderr] | ^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&RcInner` [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] 81 - drop(inner); [INFO] [stderr] 81 + let _ = inner; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/rc.rs:84:22 [INFO] [stderr] | [INFO] [stderr] 84 | unsafe { Box::from_raw(self.inner.as_ptr()) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 84 | unsafe { let _ = Box::from_raw(self.inner.as_ptr()); }; [INFO] [stderr] | +++++++ + [INFO] [stderr] [INFO] [stderr] warning: `Pointers_Study_With_Core_Concepts` (lib) generated 3 warnings [INFO] [stderr] warning: `Pointers_Study_With_Core_Concepts` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/Pointers_Study_With_Core_Concepts-e51ac04301a46524) [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 Pointers_Study_With_Core_Concepts [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 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9143e8466285f8fc7586d65fa34d530e6c14a930d27095c87bd1d564aaca6bb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9143e8466285f8fc7586d65fa34d530e6c14a930d27095c87bd1d564aaca6bb6", kill_on_drop: false }` [INFO] [stdout] 9143e8466285f8fc7586d65fa34d530e6c14a930d27095c87bd1d564aaca6bb6