[INFO] fetching crate shredder 0.2.0... [INFO] checking shredder-0.2.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393 [INFO] extracting crate shredder 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate shredder 0.2.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate shredder 0.2.0 [INFO] finished tweaking crates.io crate shredder 0.2.0 [INFO] tweaked toml for crates.io crate shredder 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded shredder_derive v0.2.0 [INFO] [stderr] Downloaded rental v0.5.6 [INFO] [stderr] Downloaded dynqueue v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ebf00efb50a97b3b350ab88deba0e54351366f3bb9a35b147c0b2c1d6443ce8a [INFO] running `Command { std: "docker" "start" "-a" "ebf00efb50a97b3b350ab88deba0e54351366f3bb9a35b147c0b2c1d6443ce8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebf00efb50a97b3b350ab88deba0e54351366f3bb9a35b147c0b2c1d6443ce8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebf00efb50a97b3b350ab88deba0e54351366f3bb9a35b147c0b2c1d6443ce8a", kill_on_drop: false }` [INFO] [stdout] ebf00efb50a97b3b350ab88deba0e54351366f3bb9a35b147c0b2c1d6443ce8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9d5861e987acfea0fd7bee36419ea0e09a216fc424f920fd4cfc232538f8f52 [INFO] running `Command { std: "docker" "start" "-a" "e9d5861e987acfea0fd7bee36419ea0e09a216fc424f920fd4cfc232538f8f52", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Compiling trybuild v1.0.89 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking basic-toml v0.1.8 [INFO] [stderr] Checking arc-swap v1.6.0 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-channel v0.5.11 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking rayon v1.8.1 [INFO] [stderr] Compiling serde_derive v1.0.196 [INFO] [stderr] Checking dynqueue v0.3.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling rental-impl v0.5.5 [INFO] [stderr] Compiling shredder_derive v0.2.0 [INFO] [stderr] Checking rental v0.5.6 [INFO] [stderr] Checking shredder v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/concurrency/chunked_ll.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | Box::from_raw(new_head); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 167 | let _ = Box::from_raw(new_head); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/concurrency/chunked_ll.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | Box::from_raw(new_head); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 167 | let _ = Box::from_raw(new_head); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `isize` [INFO] [stdout] ... [INFO] [stdout] 69 | test_no_panic_finalize!(isize, 1); [INFO] [stdout] | --------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(forgetting_copy_types)]` on by default [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] ... [INFO] [stdout] 70 | test_no_panic_finalize!(usize, 1); [INFO] [stdout] | --------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `i8` [INFO] [stdout] ... [INFO] [stdout] 72 | test_no_panic_finalize!(i8, 1); [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u8` [INFO] [stdout] ... [INFO] [stdout] 73 | test_no_panic_finalize!(u8, 1); [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `i16` [INFO] [stdout] ... [INFO] [stdout] 75 | test_no_panic_finalize!(i16, 1); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u16` [INFO] [stdout] ... [INFO] [stdout] 76 | test_no_panic_finalize!(u16, 1); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `i32` [INFO] [stdout] ... [INFO] [stdout] 78 | test_no_panic_finalize!(i32, 1); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u32` [INFO] [stdout] ... [INFO] [stdout] 79 | test_no_panic_finalize!(u32, 1); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `i64` [INFO] [stdout] ... [INFO] [stdout] 81 | test_no_panic_finalize!(i64, 1); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u64` [INFO] [stdout] ... [INFO] [stdout] 82 | test_no_panic_finalize!(u64, 1); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `i128` [INFO] [stdout] ... [INFO] [stdout] 84 | test_no_panic_finalize!(i128, 1); [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u128` [INFO] [stdout] ... [INFO] [stdout] 85 | test_no_panic_finalize!(u128, 1); [INFO] [stdout] | -------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `f32` [INFO] [stdout] ... [INFO] [stdout] 87 | test_no_panic_finalize!(f32, 1.0); [INFO] [stdout] | --------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `f64` [INFO] [stdout] ... [INFO] [stdout] 88 | test_no_panic_finalize!(f64, 1.0); [INFO] [stdout] | --------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/std_impls/value_types.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | forget(v); [INFO] [stdout] | ^^^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Instant` [INFO] [stdout] ... [INFO] [stdout] 91 | test_no_panic_finalize!(Instant, Instant::now()); [INFO] [stdout] | ------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `test_no_panic_finalize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `derive_trybuild` is never used [INFO] [stdout] --> tests/derive_macro.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn derive_trybuild() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.17s [INFO] running `Command { std: "docker" "inspect" "e9d5861e987acfea0fd7bee36419ea0e09a216fc424f920fd4cfc232538f8f52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9d5861e987acfea0fd7bee36419ea0e09a216fc424f920fd4cfc232538f8f52", kill_on_drop: false }` [INFO] [stdout] e9d5861e987acfea0fd7bee36419ea0e09a216fc424f920fd4cfc232538f8f52