[INFO] fetching crate shredder 0.2.0... [INFO] checking shredder-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [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 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 83157cc0158a3126134a4340155453fcb3ba44c39a6f217a51e2151d88e073fa [INFO] running `Command { std: "docker" "start" "-a" "83157cc0158a3126134a4340155453fcb3ba44c39a6f217a51e2151d88e073fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83157cc0158a3126134a4340155453fcb3ba44c39a6f217a51e2151d88e073fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83157cc0158a3126134a4340155453fcb3ba44c39a6f217a51e2151d88e073fa", kill_on_drop: false }` [INFO] [stdout] 83157cc0158a3126134a4340155453fcb3ba44c39a6f217a51e2151d88e073fa [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3fd094db3d1926108ef5607b1561667834dcbe3c6373417234a8324b7c4a8c5e [INFO] running `Command { std: "docker" "start" "-a" "3fd094db3d1926108ef5607b1561667834dcbe3c6373417234a8324b7c4a8c5e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking winnow v0.6.5 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Compiling trybuild v1.0.91 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking toml_edit v0.22.9 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking dynqueue v0.3.0 [INFO] [stderr] Checking toml v0.8.12 [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: method `do_stuff` is never used [INFO] [stdout] --> src/smart_ptr/gc.rs:531:16 [INFO] [stdout] | [INFO] [stdout] 530 | trait NoSize: Scan { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] 531 | fn do_stuff(&self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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: 1 warning emitted [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: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `drop` is imported redundantly [INFO] [stdout] --> tests/integration.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `drop` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.01s [INFO] running `Command { std: "docker" "inspect" "3fd094db3d1926108ef5607b1561667834dcbe3c6373417234a8324b7c4a8c5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fd094db3d1926108ef5607b1561667834dcbe3c6373417234a8324b7c4a8c5e", kill_on_drop: false }` [INFO] [stdout] 3fd094db3d1926108ef5607b1561667834dcbe3c6373417234a8324b7c4a8c5e [INFO] checking shredder-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate shredder 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate shredder 0.2.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1dcede35bc5547ca97a4f9c1cce3558b45a0a2dca690ba0067a03e2951a12ff [INFO] running `Command { std: "docker" "start" "-a" "c1dcede35bc5547ca97a4f9c1cce3558b45a0a2dca690ba0067a03e2951a12ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1dcede35bc5547ca97a4f9c1cce3558b45a0a2dca690ba0067a03e2951a12ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1dcede35bc5547ca97a4f9c1cce3558b45a0a2dca690ba0067a03e2951a12ff", kill_on_drop: false }` [INFO] [stdout] c1dcede35bc5547ca97a4f9c1cce3558b45a0a2dca690ba0067a03e2951a12ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 897cca28fcb9c4194e2257174a051bdad77e112ca7027f62fa4e5107b35d73a1 [INFO] running `Command { std: "docker" "start" "-a" "897cca28fcb9c4194e2257174a051bdad77e112ca7027f62fa4e5107b35d73a1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking winnow v0.6.5 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Compiling trybuild v1.0.91 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking toml_edit v0.22.9 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking dynqueue v0.3.0 [INFO] [stderr] Checking toml v0.8.12 [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: method `do_stuff` is never used [INFO] [stdout] --> src/smart_ptr/gc.rs:531:16 [INFO] [stdout] | [INFO] [stdout] 530 | trait NoSize: Scan { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] 531 | fn do_stuff(&self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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: 17 warnings emitted [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: the item `drop` is imported redundantly [INFO] [stdout] --> tests/integration.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `drop` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.63s [INFO] running `Command { std: "docker" "inspect" "897cca28fcb9c4194e2257174a051bdad77e112ca7027f62fa4e5107b35d73a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "897cca28fcb9c4194e2257174a051bdad77e112ca7027f62fa4e5107b35d73a1", kill_on_drop: false }` [INFO] [stdout] 897cca28fcb9c4194e2257174a051bdad77e112ca7027f62fa4e5107b35d73a1