[INFO] fetching crate half 2.3.1... [INFO] checking half-2.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate half 2.3.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate half 2.3.1 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 half 2.3.1 [INFO] finished tweaking crates.io crate half 2.3.1 [INFO] tweaked toml for crates.io crate half 2.3.1 written to /workspace/builds/worker-1-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 83 packages [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.4) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.0) [INFO] [stderr] Adding criterion v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding env_logger v0.8.4 (latest: v0.11.3) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding zerocopy v0.6.6 (latest: v0.7.32) [INFO] [stderr] Adding zerocopy-derive v0.6.6 (latest: v0.7.32) [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 zerocopy v0.6.6 [INFO] [stderr] Downloaded quickcheck_macros v1.0.0 [INFO] [stderr] Downloaded quickcheck v1.0.3 [INFO] [stderr] Downloaded zerocopy-derive v0.6.6 [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] bcd9819f4c3f6ee3602972e68576e49b1ad07f2efa6fdf1073de60ac8d152df5 [INFO] running `Command { std: "docker" "start" "-a" "bcd9819f4c3f6ee3602972e68576e49b1ad07f2efa6fdf1073de60ac8d152df5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcd9819f4c3f6ee3602972e68576e49b1ad07f2efa6fdf1073de60ac8d152df5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcd9819f4c3f6ee3602972e68576e49b1ad07f2efa6fdf1073de60ac8d152df5", kill_on_drop: false }` [INFO] [stdout] bcd9819f4c3f6ee3602972e68576e49b1ad07f2efa6fdf1073de60ac8d152df5 [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] 29567725b7ee0c6144129147ad879fb7ce363286aca0429073644b3fd27e0ec8 [INFO] running `Command { std: "docker" "start" "-a" "29567725b7ee0c6144129147ad879fb7ce363286aca0429073644b3fd27e0ec8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking half v2.4.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking half v2.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/slice.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/vec.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/vec.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] warning: the item `Ordering` is imported redundantly [INFO] [stdout] --> src/bfloat.rs:1326:9 [INFO] [stdout] | [INFO] [stdout] 1325 | use super::*; [INFO] [stdout] | -------- the item `Ordering` is already imported here [INFO] [stdout] 1326 | use core::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ordering` is imported redundantly [INFO] [stdout] --> src/binary16.rs:1342:9 [INFO] [stdout] | [INFO] [stdout] 1341 | use super::*; [INFO] [stdout] | -------- the item `Ordering` is already imported here [INFO] [stdout] 1342 | use core::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/slice.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/vec.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/vec.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.30s [INFO] running `Command { std: "docker" "inspect" "29567725b7ee0c6144129147ad879fb7ce363286aca0429073644b3fd27e0ec8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29567725b7ee0c6144129147ad879fb7ce363286aca0429073644b3fd27e0ec8", kill_on_drop: false }` [INFO] [stdout] 29567725b7ee0c6144129147ad879fb7ce363286aca0429073644b3fd27e0ec8