[INFO] fetching crate mvutils2 1.5.1... [INFO] checking mvutils2-1.5.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate mvutils2 1.5.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate mvutils2 1.5.1 [INFO] finished tweaking crates.io crate mvutils2 1.5.1 [INFO] tweaked toml for crates.io crate mvutils2 1.5.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mvutils2 1.5.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mvutils2 1.5.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 52bf49023db80567954c26f55dbf6f15b8b0e1bb3ee84bcaee7afd93adfe8adf [INFO] running `Command { std: "docker" "start" "-a" "52bf49023db80567954c26f55dbf6f15b8b0e1bb3ee84bcaee7afd93adfe8adf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52bf49023db80567954c26f55dbf6f15b8b0e1bb3ee84bcaee7afd93adfe8adf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52bf49023db80567954c26f55dbf6f15b8b0e1bb3ee84bcaee7afd93adfe8adf", kill_on_drop: false }` [INFO] [stdout] 52bf49023db80567954c26f55dbf6f15b8b0e1bb3ee84bcaee7afd93adfe8adf [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d6c77be483704994d216ff04543d4dfb93f69805449325c8004800d0d80d377 [INFO] running `Command { std: "docker" "start" "-a" "5d6c77be483704994d216ff04543d4dfb93f69805449325c8004800d0d80d377", kill_on_drop: false }` [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking foldhash v0.1.3 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking bytebuffer v2.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Compiling mvutils-proc-macro v1.1.2 [INFO] [stderr] Checking mvutils2 v1.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::alloc::Layout` [INFO] [stdout] --> src/unsafe_utils.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::alloc::Layout; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicUsize` and `Ordering` [INFO] [stdout] --> src/unsafe_utils.rs:7:25 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::atomic::{AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/unsafe_utils.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::alloc::Layout` [INFO] [stdout] --> src/unsafe_utils.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::alloc::Layout; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DerefMut` and `Deref` [INFO] [stdout] --> src/unsafe_utils.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{Deref, DerefMut}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicUsize` and `Ordering` [INFO] [stdout] --> src/unsafe_utils.rs:7:25 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::atomic::{AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/unsafe_utils.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DerefMut` [INFO] [stdout] --> src/unsafe_utils.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{Deref, DerefMut}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deref` [INFO] [stdout] --> src/unsafe_utils.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{Deref, DerefMut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/hashers.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | fn write(&mut self, bytes: &[u8]) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rwlock_guard` is never read [INFO] [stdout] --> src/state.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 199 | pub struct MappedStateReadGuard<'a, T, U> { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 200 | mapped: U, [INFO] [stdout] 201 | rwlock_guard: RwLockReadGuard<'a, T> [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:738:23 [INFO] [stdout] | [INFO] [stdout] 738 | fn read_unchecked(&self) -> RwLockReadGuard; [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 738 | fn read_unchecked(&self) -> RwLockReadGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:739:24 [INFO] [stdout] | [INFO] [stdout] 739 | fn write_unchecked(&self) -> RwLockWriteGuard; [INFO] [stdout] | ^^^^^ ------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 739 | fn write_unchecked(&self) -> RwLockWriteGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:743:23 [INFO] [stdout] | [INFO] [stdout] 743 | fn read_unchecked(&self) -> RwLockReadGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 743 | fn read_unchecked(&self) -> RwLockReadGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:747:24 [INFO] [stdout] | [INFO] [stdout] 747 | fn write_unchecked(&self) -> RwLockWriteGuard { [INFO] [stdout] | ^^^^^ ------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 747 | fn write_unchecked(&self) -> RwLockWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/state.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn read(&self) -> RwLockReadGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn read(&self) -> RwLockReadGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/state.rs:23:18 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn write(&self) -> StateWriteGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 23 | pub fn write(&self) -> StateWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/state.rs:167:18 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn write(&self) -> StateWriteGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 167 | pub fn write(&self) -> StateWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/hashers.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | fn write(&mut self, bytes: &[u8]) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rwlock_guard` is never read [INFO] [stdout] --> src/state.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 199 | pub struct MappedStateReadGuard<'a, T, U> { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 200 | mapped: U, [INFO] [stdout] 201 | rwlock_guard: RwLockReadGuard<'a, T> [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:738:23 [INFO] [stdout] | [INFO] [stdout] 738 | fn read_unchecked(&self) -> RwLockReadGuard; [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 738 | fn read_unchecked(&self) -> RwLockReadGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:739:24 [INFO] [stdout] | [INFO] [stdout] 739 | fn write_unchecked(&self) -> RwLockWriteGuard; [INFO] [stdout] | ^^^^^ ------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 739 | fn write_unchecked(&self) -> RwLockWriteGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:743:23 [INFO] [stdout] | [INFO] [stdout] 743 | fn read_unchecked(&self) -> RwLockReadGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 743 | fn read_unchecked(&self) -> RwLockReadGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:747:24 [INFO] [stdout] | [INFO] [stdout] 747 | fn write_unchecked(&self) -> RwLockWriteGuard { [INFO] [stdout] | ^^^^^ ------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 747 | fn write_unchecked(&self) -> RwLockWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/state.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn read(&self) -> RwLockReadGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 19 | pub fn read(&self) -> RwLockReadGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/state.rs:23:18 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn write(&self) -> StateWriteGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 23 | pub fn write(&self) -> StateWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/state.rs:167:18 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn write(&self) -> StateWriteGuard { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 167 | pub fn write(&self) -> StateWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.81s [INFO] running `Command { std: "docker" "inspect" "5d6c77be483704994d216ff04543d4dfb93f69805449325c8004800d0d80d377", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d6c77be483704994d216ff04543d4dfb93f69805449325c8004800d0d80d377", kill_on_drop: false }` [INFO] [stdout] 5d6c77be483704994d216ff04543d4dfb93f69805449325c8004800d0d80d377