[INFO] fetching crate fclones 0.34.0... [INFO] checking fclones-0.34.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate fclones 0.34.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate fclones 0.34.0 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 fclones 0.34.0 [INFO] finished tweaking crates.io crate fclones 0.34.0 [INFO] tweaked toml for crates.io crate fclones 0.34.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate fclones 0.34.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded xattr v1.0.1 [INFO] [stderr] Downloaded xxhash-rust v0.8.7 [INFO] [stderr] Downloaded uuid v1.5.0 [INFO] [stderr] Downloaded thiserror v1.0.50 [INFO] [stderr] Downloaded fs2 v0.4.3 [INFO] [stderr] Downloaded thiserror-impl v1.0.50 [INFO] [stderr] Downloaded typed-sled v0.2.3 [INFO] [stderr] Downloaded serde v1.0.189 [INFO] [stderr] Downloaded bitflags v2.4.1 [INFO] [stderr] Downloaded ntapi v0.4.1 [INFO] [stderr] Downloaded serde_derive v1.0.189 [INFO] [stderr] Downloaded sled v0.34.7 [INFO] [stderr] Downloaded assert_matches v1.5.0 [INFO] [stderr] Downloaded blake3 v1.5.0 [INFO] [stderr] Downloaded regex-automata v0.4.3 [INFO] [stderr] Downloaded regex-syntax v0.8.2 [INFO] [stderr] Downloaded dtparse v2.0.0 [INFO] [stderr] Downloaded file-owner v0.1.2 [INFO] [stderr] Downloaded bstr v1.7.0 [INFO] [stderr] Downloaded hashbrown v0.14.2 [INFO] [stderr] Downloaded lazy-init v0.5.1 [INFO] [stderr] Downloaded nix v0.27.1 [INFO] [stderr] Downloaded nom-regex v0.2.0 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[stderr] Downloaded reflink v0.1.3 [INFO] [stderr] Downloaded serde_test v1.0.176 [INFO] [stderr] Downloaded keccak v0.1.4 [INFO] [stderr] Downloaded ansi-escapes v0.1.1 [INFO] [stderr] Downloaded status-line v0.2.0 [INFO] [stderr] Downloaded aho-corasick v1.1.2 [INFO] [stderr] Downloaded stfu8 v0.2.6 [INFO] [stderr] Downloaded sysinfo v0.29.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0f24edf2675ec81e56b42d357ef9ada54b1e4333dd5114ad535ffe398b54dcd9 [INFO] running `Command { std: "docker" "start" "-a" "0f24edf2675ec81e56b42d357ef9ada54b1e4333dd5114ad535ffe398b54dcd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f24edf2675ec81e56b42d357ef9ada54b1e4333dd5114ad535ffe398b54dcd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f24edf2675ec81e56b42d357ef9ada54b1e4333dd5114ad535ffe398b54dcd9", kill_on_drop: false }` [INFO] [stdout] 0f24edf2675ec81e56b42d357ef9ada54b1e4333dd5114ad535ffe398b54dcd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 52103a59bb23a4a052491ad871da0a1c2c5f0e9ec6802b6f7cd923605e47e43b [INFO] running `Command { std: "docker" "start" "-a" "52103a59bb23a4a052491ad871da0a1c2c5f0e9ec6802b6f7cd923605e47e43b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking smallvec v1.11.1 [INFO] [stderr] Compiling rustix v0.38.20 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking 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v0.11.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking bstr v1.7.0 [INFO] [stderr] Compiling priority-queue v1.3.2 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking iana-time-zone v0.1.58 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking option-ext v0.2.0 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking hashbrown v0.14.2 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking dirs-sys v0.4.1 [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Compiling blake3 v1.5.0 [INFO] [stderr] Checking clap_builder v4.4.6 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking sled v0.34.7 [INFO] [stderr] Checking 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dashmap v5.5.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking sysinfo v0.29.10 [INFO] [stderr] Checking dirs v5.0.1 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking uuid v1.5.0 [INFO] [stderr] Checking filetime v0.2.22 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking xattr v1.0.1 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking xxhash-rust v0.8.7 [INFO] [stderr] Checking metrohash v1.0.6 [INFO] [stderr] Checking dunce v1.0.4 [INFO] [stderr] Checking fallible-iterator v0.3.0 [INFO] [stderr] Checking bytesize v1.3.0 [INFO] [stderr] Checking lazy-init v0.5.1 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking reflink v0.1.3 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.189 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Checking tempfile v3.8.0 [INFO] [stderr] Checking pin-project v1.1.3 [INFO] [stderr] Checking clap v4.4.6 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking byte-unit v4.0.19 [INFO] [stderr] Checking serde_test v1.0.176 [INFO] [stderr] Checking typed-sled v0.2.3 [INFO] [stderr] Checking dtparse v2.0.0 [INFO] [stderr] Checking fclones v0.34.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/group.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Drop` is imported redundantly [INFO] [stdout] --> src/semaphore.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::ops::Drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Drop` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/walk.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FileHash` is imported redundantly [INFO] [stdout] --> src/report.rs:678:23 [INFO] [stdout] | [INFO] [stdout] 678 | use crate::file::{FileHash, FileLen}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 681 | use super::*; [INFO] [stdout] | -------- the item `FileHash` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FileLen` is imported redundantly [INFO] [stdout] --> src/report.rs:678:33 [INFO] [stdout] | [INFO] [stdout] 678 | use crate::file::{FileHash, FileLen}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 681 | use super::*; [INFO] [stdout] | -------- the item `FileLen` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Path` is imported redundantly [INFO] [stdout] --> src/report.rs:679:9 [INFO] [stdout] | [INFO] [stdout] 679 | use crate::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 680 | [INFO] [stdout] 681 | use super::*; [INFO] [stdout] | -------- the item `Path` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/dedupe.rs:1082:9 [INFO] [stdout] | [INFO] [stdout] 1082 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/group.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `File` is imported redundantly [INFO] [stdout] --> src/group.rs:1329:42 [INFO] [stdout] | [INFO] [stdout] 1329 | use std::fs::{create_dir, hard_link, File, OpenOptions}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 1342 | use super::*; [INFO] [stdout] | -------- the item `File` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AtomicUsize` is imported redundantly [INFO] [stdout] --> src/group.rs:1332:41 [INFO] [stdout] | [INFO] [stdout] 1332 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1342 | use super::*; [INFO] [stdout] | -------- the item `AtomicUsize` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ordering` is imported redundantly [INFO] [stdout] --> src/group.rs:1332:54 [INFO] [stdout] | [INFO] [stdout] 1332 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1342 | use super::*; [INFO] [stdout] | -------- the item `Ordering` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Path` is imported redundantly [INFO] [stdout] --> src/group.rs:1339:9 [INFO] [stdout] | [INFO] [stdout] 1339 | use crate::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1342 | use super::*; [INFO] [stdout] | -------- the item `Path` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Drop` is imported redundantly [INFO] [stdout] --> src/semaphore.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::ops::Drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Drop` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/walk.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_file_hash` is never used [INFO] [stdout] --> src/file.rs:454:8 [INFO] [stdout] | [INFO] [stdout] 453 | pub trait AsFileHash { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 454 | fn as_file_hash(&self) -> &FileHash; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `total_size` is never used [INFO] [stdout] --> src/file.rs:542:8 [INFO] [stdout] | [INFO] [stdout] 538 | pub(crate) trait FileCollection { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 542 | fn total_size(&self) -> FileLen; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_file_hash` is never used [INFO] [stdout] --> src/file.rs:454:8 [INFO] [stdout] | [INFO] [stdout] 453 | pub trait AsFileHash { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 454 | fn as_file_hash(&self) -> &FileHash; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `total_size` is never used [INFO] [stdout] --> src/file.rs:542:8 [INFO] [stdout] | [INFO] [stdout] 538 | pub(crate) trait FileCollection { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 542 | fn total_size(&self) -> FileLen; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/reflink.rs:357:34 [INFO] [stdout] | [INFO] [stdout] 357 | pub struct CrossTest<'a>(MutexGuard<'a, ()>); [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 357 | pub struct CrossTest<'a>(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.09s [INFO] running `Command { std: "docker" "inspect" "52103a59bb23a4a052491ad871da0a1c2c5f0e9ec6802b6f7cd923605e47e43b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52103a59bb23a4a052491ad871da0a1c2c5f0e9ec6802b6f7cd923605e47e43b", kill_on_drop: false }` [INFO] [stdout] 52103a59bb23a4a052491ad871da0a1c2c5f0e9ec6802b6f7cd923605e47e43b