[INFO] fetching crate eddie 0.4.2... [INFO] checking eddie-0.4.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] extracting crate eddie 0.4.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate eddie 0.4.2 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded edit-distance v2.1.0 [INFO] [stderr] Downloaded distance v0.4.0 [INFO] [stderr] Downloaded txtdist v0.2.1 [INFO] [stderr] Downloaded natural v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4581299ab176221697e6b68ac9883a068c01bb6cfad637c4f1222c3550494b4f [INFO] running `Command { std: "docker" "start" "-a" "4581299ab176221697e6b68ac9883a068c01bb6cfad637c4f1222c3550494b4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4581299ab176221697e6b68ac9883a068c01bb6cfad637c4f1222c3550494b4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4581299ab176221697e6b68ac9883a068c01bb6cfad637c4f1222c3550494b4f", kill_on_drop: false }` [INFO] [stdout] 4581299ab176221697e6b68ac9883a068c01bb6cfad637c4f1222c3550494b4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] eb3a4309f0ecaaa595754813778eee71ffc8bc1341057453c8d4d0a4ad14ff2e [INFO] running `Command { std: "docker" "start" "-a" "eb3a4309f0ecaaa595754813778eee71ffc8bc1341057453c8d4d0a4ad14ff2e", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking edit-distance v2.1.0 [INFO] [stderr] Checking natural v0.3.0 [INFO] [stderr] Checking txtdist v0.2.1 [INFO] [stderr] Checking distance v0.4.0 [INFO] [stderr] Checking eddie v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [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] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [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] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [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] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [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] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [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] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.58s [INFO] running `Command { std: "docker" "inspect" "eb3a4309f0ecaaa595754813778eee71ffc8bc1341057453c8d4d0a4ad14ff2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb3a4309f0ecaaa595754813778eee71ffc8bc1341057453c8d4d0a4ad14ff2e", kill_on_drop: false }` [INFO] [stdout] eb3a4309f0ecaaa595754813778eee71ffc8bc1341057453c8d4d0a4ad14ff2e