[INFO] fetching crate eddie 0.4.2... [INFO] checking eddie-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate eddie 0.4.2 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate eddie 0.4.2 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 eddie 0.4.2 [INFO] finished tweaking crates.io crate eddie 0.4.2 [INFO] tweaked toml for crates.io crate eddie 0.4.2 written to /workspace/builds/worker-7-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 73 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 getrandom v0.1.16 (latest: v0.2.12) [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 natural v0.3.0 (latest: v0.5.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding strsim v0.9.3 (latest: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 distance v0.4.0 [INFO] [stderr] Downloaded edit-distance v2.1.0 [INFO] [stderr] Downloaded natural v0.3.0 [INFO] [stderr] Downloaded txtdist v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7c5f492a197b06d105342c4751704d49e7314c6e0273af3ef5e665ce8541bf39 [INFO] running `Command { std: "docker" "start" "-a" "7c5f492a197b06d105342c4751704d49e7314c6e0273af3ef5e665ce8541bf39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c5f492a197b06d105342c4751704d49e7314c6e0273af3ef5e665ce8541bf39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c5f492a197b06d105342c4751704d49e7314c6e0273af3ef5e665ce8541bf39", kill_on_drop: false }` [INFO] [stdout] 7c5f492a197b06d105342c4751704d49e7314c6e0273af3ef5e665ce8541bf39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3af402e810918797f15bcd0334ca03516c90f83e80f9e86e8f18957fb05d61a8 [INFO] running `Command { std: "docker" "start" "-a" "3af402e810918797f15bcd0334ca03516c90f83e80f9e86e8f18957fb05d61a8", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking natural v0.3.0 [INFO] [stderr] Checking txtdist v0.2.1 [INFO] [stderr] Checking distance v0.4.0 [INFO] [stderr] Checking edit-distance v2.1.0 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking eddie v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stdout] warning: the item `strsim` is imported redundantly [INFO] [stdout] --> benches/jaro.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use strsim; [INFO] [stdout] | ^^^^^^ the item `strsim` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `strsim` is imported redundantly [INFO] [stdout] --> benches/jarwin.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use strsim; [INFO] [stdout] | ^^^^^^ the item `strsim` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `natural` is imported redundantly [INFO] [stdout] --> benches/jarwin.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use natural; [INFO] [stdout] | ^^^^^^^ the item `natural` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `distance` is imported redundantly [INFO] [stdout] --> benches/hamming.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use distance; [INFO] [stdout] | ^^^^^^^^ the item `distance` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `strsim` is imported redundantly [INFO] [stdout] --> benches/hamming.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use strsim; [INFO] [stdout] | ^^^^^^ the item `strsim` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `distance` is imported redundantly [INFO] [stdout] --> benches/leven.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use distance; [INFO] [stdout] | ^^^^^^^^ the item `distance` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `strsim` is imported redundantly [INFO] [stdout] --> benches/leven.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use strsim; [INFO] [stdout] | ^^^^^^ the item `strsim` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `edit_distance` is imported redundantly [INFO] [stdout] --> benches/leven.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use edit_distance; [INFO] [stdout] | ^^^^^^^^^^^^^ the item `edit_distance` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `natural` is imported redundantly [INFO] [stdout] --> benches/leven.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use natural; [INFO] [stdout] | ^^^^^^^ the item `natural` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `txtdist` is imported redundantly [INFO] [stdout] --> benches/leven.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use txtdist; [INFO] [stdout] | ^^^^^^^ the item `txtdist` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `distance` is imported redundantly [INFO] [stdout] --> benches/damlev.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use distance; [INFO] [stdout] | ^^^^^^^^ the item `distance` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `strsim` is imported redundantly [INFO] [stdout] --> benches/damlev.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use strsim; [INFO] [stdout] | ^^^^^^ the item `strsim` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `txtdist` is imported redundantly [INFO] [stdout] --> benches/damlev.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use txtdist; [INFO] [stdout] | ^^^^^^^ the item `txtdist` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/slice/hamming.rs:199:39 [INFO] [stdout] | [INFO] [stdout] 199 | let s1: Vec<&usize> = [1].into_iter().cycle().take(i).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 199 | let s1: Vec<&usize> = [1].iter().cycle().take(i).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 199 | let s1: Vec<&usize> = IntoIterator::into_iter([1]).cycle().take(i).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/slice/hamming.rs:200:39 [INFO] [stdout] | [INFO] [stdout] 200 | let s2: Vec<&usize> = [2].into_iter().cycle().take(i).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 200 | let s2: Vec<&usize> = [2].iter().cycle().take(i).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 200 | let s2: Vec<&usize> = IntoIterator::into_iter([2]).cycle().take(i).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/slice/hamming.rs:210:43 [INFO] [stdout] | [INFO] [stdout] 210 | let a1: Vec<&usize> = [1].into_iter().cycle().take(len1).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 210 | let a1: Vec<&usize> = [1].iter().cycle().take(len1).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 210 | let a1: Vec<&usize> = IntoIterator::into_iter([1]).cycle().take(len1).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/slice/hamming.rs:211:43 [INFO] [stdout] | [INFO] [stdout] 211 | let a2: Vec<&usize> = [1].into_iter().cycle().take(len2).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 211 | let a2: Vec<&usize> = [1].iter().cycle().take(len2).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 211 | let a2: Vec<&usize> = IntoIterator::into_iter([1]).cycle().take(len2).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/slice/hamming.rs:212:43 [INFO] [stdout] | [INFO] [stdout] 212 | let b2: Vec<&usize> = [2].into_iter().cycle().take(len2).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 212 | let b2: Vec<&usize> = [2].iter().cycle().take(len2).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 212 | let b2: Vec<&usize> = IntoIterator::into_iter([2]).cycle().take(len2).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.18s [INFO] running `Command { std: "docker" "inspect" "3af402e810918797f15bcd0334ca03516c90f83e80f9e86e8f18957fb05d61a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3af402e810918797f15bcd0334ca03516c90f83e80f9e86e8f18957fb05d61a8", kill_on_drop: false }` [INFO] [stdout] 3af402e810918797f15bcd0334ca03516c90f83e80f9e86e8f18957fb05d61a8