[INFO] fetching crate gep 0.1.0... [INFO] checking gep-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate gep 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate gep 0.1.0 [INFO] finished tweaking crates.io crate gep 0.1.0 [INFO] tweaked toml for crates.io crate gep 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gep 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15206ff9588b4f13272956377159117ad128ba89034a96241c3ad33894895fa8 [INFO] running `Command { std: "docker" "start" "-a" "15206ff9588b4f13272956377159117ad128ba89034a96241c3ad33894895fa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15206ff9588b4f13272956377159117ad128ba89034a96241c3ad33894895fa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15206ff9588b4f13272956377159117ad128ba89034a96241c3ad33894895fa8", kill_on_drop: false }` [INFO] [stdout] 15206ff9588b4f13272956377159117ad128ba89034a96241c3ad33894895fa8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2365e0e2ef1208424fd2c4c87291f460b9553edd848d2dd3377b20bc34b6243a [INFO] running `Command { std: "docker" "start" "-a" "2365e0e2ef1208424fd2c4c87291f460b9553edd848d2dd3377b20bc34b6243a", kill_on_drop: false }` [INFO] [stderr] Checking gep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: pointers cannot be transmuted to integers during const eval [INFO] [stdout] --> src/lib.rs:110:23 [INFO] [stdout] | [INFO] [stdout] 110 | let addr = unsafe { mem::transmute::<*mut T, usize>(p) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: at compile-time, pointers do not have an integer value [INFO] [stdout] = note: avoiding this restriction via `union` or raw pointers leads to compile-time undefined behavior [INFO] [stdout] = help: for more information, see https://doc.rust-lang.org/std/mem/fn.transmute.html [INFO] [stdout] = note: `#[warn(ptr_to_integer_transmute_in_consts)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: pointers cannot be transmuted to integers during const eval [INFO] [stdout] --> src/offset.rs:115:27 [INFO] [stdout] | [INFO] [stdout] 115 | let addr = unsafe { mem::transmute::<_, usize>(ptr) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: at compile-time, pointers do not have an integer value [INFO] [stdout] = note: avoiding this restriction via `union` or raw pointers leads to compile-time undefined behavior [INFO] [stdout] = help: for more information, see https://doc.rust-lang.org/std/mem/fn.transmute.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/offset.rs:153:11 [INFO] [stdout] | [INFO] [stdout] 153 | isize::try_from(self).is_ok(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 172 | / impl_offset! { [INFO] [stdout] 173 | | u8, u16, u32, u64, u128, usize, [INFO] [stdout] 174 | | i8, i16, i32, i64, i128, isize, [INFO] [stdout] 175 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `impl_offset` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/nonnull.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | self.to_raw() == other.to_raw() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 56 - self.to_raw() == other.to_raw() [INFO] [stdout] 56 + std::ptr::addr_eq(self.to_raw(), other.to_raw()) [INFO] [stdout] | [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 56 - self.to_raw() == other.to_raw() [INFO] [stdout] 56 + std::ptr::eq(self.to_raw(), other.to_raw()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/nonnull.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | self.to_raw() == other.to_raw() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 62 - self.to_raw() == other.to_raw() [INFO] [stdout] 62 + std::ptr::addr_eq(self.to_raw(), other.to_raw()) [INFO] [stdout] | [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 62 - self.to_raw() == other.to_raw() [INFO] [stdout] 62 + std::ptr::eq(self.to_raw(), other.to_raw()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/ptr.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | self.p == other.p [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 53 - self.p == other.p [INFO] [stdout] 53 + std::ptr::addr_eq(self.p, other.p) [INFO] [stdout] | [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 53 - self.p == other.p [INFO] [stdout] 53 + std::ptr::eq(self.p, other.p) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/ptr.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | self.p == other.to_raw() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 59 - self.p == other.to_raw() [INFO] [stdout] 59 + std::ptr::addr_eq(self.p, other.to_raw()) [INFO] [stdout] | [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 59 - self.p == other.to_raw() [INFO] [stdout] 59 + std::ptr::eq(self.p, other.to_raw()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gep` (lib test) due to 1 previous error; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: pointers cannot be transmuted to integers during const eval [INFO] [stdout] --> src/lib.rs:110:23 [INFO] [stdout] | [INFO] [stdout] 110 | let addr = unsafe { mem::transmute::<*mut T, usize>(p) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: at compile-time, pointers do not have an integer value [INFO] [stdout] = note: avoiding this restriction via `union` or raw pointers leads to compile-time undefined behavior [INFO] [stdout] = help: for more information, see https://doc.rust-lang.org/std/mem/fn.transmute.html [INFO] [stdout] = note: `#[warn(ptr_to_integer_transmute_in_consts)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: pointers cannot be transmuted to integers during const eval [INFO] [stdout] --> src/offset.rs:115:27 [INFO] [stdout] | [INFO] [stdout] 115 | let addr = unsafe { mem::transmute::<_, usize>(ptr) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: at compile-time, pointers do not have an integer value [INFO] [stdout] = note: avoiding this restriction via `union` or raw pointers leads to compile-time undefined behavior [INFO] [stdout] = help: for more information, see https://doc.rust-lang.org/std/mem/fn.transmute.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/offset.rs:153:11 [INFO] [stdout] | [INFO] [stdout] 153 | isize::try_from(self).is_ok(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 172 | / impl_offset! { [INFO] [stdout] 173 | | u8, u16, u32, u64, u128, usize, [INFO] [stdout] 174 | | i8, i16, i32, i64, i128, isize, [INFO] [stdout] 175 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `impl_offset` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/nonnull.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | self.to_raw() == other.to_raw() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 56 - self.to_raw() == other.to_raw() [INFO] [stdout] 56 + std::ptr::addr_eq(self.to_raw(), other.to_raw()) [INFO] [stdout] | [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 56 - self.to_raw() == other.to_raw() [INFO] [stdout] 56 + std::ptr::eq(self.to_raw(), other.to_raw()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/nonnull.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | self.to_raw() == other.to_raw() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 62 - self.to_raw() == other.to_raw() [INFO] [stdout] 62 + std::ptr::addr_eq(self.to_raw(), other.to_raw()) [INFO] [stdout] | [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 62 - self.to_raw() == other.to_raw() [INFO] [stdout] 62 + std::ptr::eq(self.to_raw(), other.to_raw()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/ptr.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | self.p == other.p [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 53 - self.p == other.p [INFO] [stdout] 53 + std::ptr::addr_eq(self.p, other.p) [INFO] [stdout] | [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 53 - self.p == other.p [INFO] [stdout] 53 + std::ptr::eq(self.p, other.p) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/ptr.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | self.p == other.to_raw() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 59 - self.p == other.to_raw() [INFO] [stdout] 59 + std::ptr::addr_eq(self.p, other.to_raw()) [INFO] [stdout] | [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 59 - self.p == other.to_raw() [INFO] [stdout] 59 + std::ptr::eq(self.p, other.to_raw()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gep` (lib) due to 1 previous error; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2365e0e2ef1208424fd2c4c87291f460b9553edd848d2dd3377b20bc34b6243a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2365e0e2ef1208424fd2c4c87291f460b9553edd848d2dd3377b20bc34b6243a", kill_on_drop: false }` [INFO] [stdout] 2365e0e2ef1208424fd2c4c87291f460b9553edd848d2dd3377b20bc34b6243a