[INFO] fetching crate pui-arena 0.5.1... [INFO] checking pui-arena-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate pui-arena 0.5.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate pui-arena 0.5.1 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 pui-arena 0.5.1 [INFO] finished tweaking crates.io crate pui-arena 0.5.1 [INFO] tweaked toml for crates.io crate pui-arena 0.5.1 written to /workspace/builds/worker-0-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 64 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding radium v0.6.2 (latest: v1.1.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pui-core v0.5.2 [INFO] [stderr] Downloaded radium v0.6.2 [INFO] [stderr] Downloaded pui-vec v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 97c110304866acd42502f40a1b7505e112ebbae1db94e7199030bac0d85551ae [INFO] running `Command { std: "docker" "start" "-a" "97c110304866acd42502f40a1b7505e112ebbae1db94e7199030bac0d85551ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97c110304866acd42502f40a1b7505e112ebbae1db94e7199030bac0d85551ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97c110304866acd42502f40a1b7505e112ebbae1db94e7199030bac0d85551ae", kill_on_drop: false }` [INFO] [stdout] 97c110304866acd42502f40a1b7505e112ebbae1db94e7199030bac0d85551ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3b7273c217264415822c3ada0435d94348e90e0ab305b8c5ea063e2c0d96db02 [INFO] running `Command { std: "docker" "start" "-a" "3b7273c217264415822c3ada0435d94348e90e0ab305b8c5ea063e2c0d96db02", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking pui-core v0.5.2 [INFO] [stderr] Checking pui-vec v0.5.1 [INFO] [stderr] Checking pui-arena v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/base/dense.rs:639:36 [INFO] [stdout] | [INFO] [stdout] 639 | iter.for_each(move |value| drop::(self.vacant_entry().insert(value))); [INFO] [stdout] | ^^^^^^^^^^^^^^---------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/base/sparse.rs:527:36 [INFO] [stdout] | [INFO] [stdout] 527 | iter.for_each(move |value| drop::(self.vacant_entry().insert(value))); [INFO] [stdout] | ^^^^^^^^^^^^^^---------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/base/dense.rs:925:9 [INFO] [stdout] | [INFO] [stdout] 924 | use super::*; [INFO] [stdout] | -------- the item `Vec` is already imported here [INFO] [stdout] 925 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/base/dense.rs:639:36 [INFO] [stdout] | [INFO] [stdout] 639 | iter.for_each(move |value| drop::(self.vacant_entry().insert(value))); [INFO] [stdout] | ^^^^^^^^^^^^^^---------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/base/sparse.rs:527:36 [INFO] [stdout] | [INFO] [stdout] 527 | iter.for_each(move |value| drop::(self.vacant_entry().insert(value))); [INFO] [stdout] | ^^^^^^^^^^^^^^---------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s [INFO] running `Command { std: "docker" "inspect" "3b7273c217264415822c3ada0435d94348e90e0ab305b8c5ea063e2c0d96db02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b7273c217264415822c3ada0435d94348e90e0ab305b8c5ea063e2c0d96db02", kill_on_drop: false }` [INFO] [stdout] 3b7273c217264415822c3ada0435d94348e90e0ab305b8c5ea063e2c0d96db02