[INFO] cloning repository https://github.com/az82/rust-levenshtein [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/az82/rust-levenshtein" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faz82%2Frust-levenshtein", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faz82%2Frust-levenshtein'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5ca8d3e1259fa5006b97f213e17007e638cf49e [INFO] checking az82/rust-levenshtein against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faz82%2Frust-levenshtein" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/az82/rust-levenshtein on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/az82/rust-levenshtein [INFO] finished tweaking git repo https://github.com/az82/rust-levenshtein [INFO] tweaked toml for git repo https://github.com/az82/rust-levenshtein written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/az82/rust-levenshtein already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 3f328de9d1f9cd754d308ec5d2282f5f497c338ee8575d978caa7b8fd8b68898 [INFO] running `Command { std: "docker" "start" "-a" "3f328de9d1f9cd754d308ec5d2282f5f497c338ee8575d978caa7b8fd8b68898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f328de9d1f9cd754d308ec5d2282f5f497c338ee8575d978caa7b8fd8b68898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f328de9d1f9cd754d308ec5d2282f5f497c338ee8575d978caa7b8fd8b68898", kill_on_drop: false }` [INFO] [stdout] 3f328de9d1f9cd754d308ec5d2282f5f497c338ee8575d978caa7b8fd8b68898 [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 655ab676e1b49ca153f97973ccba5a154087cae2556994c0483f1bd6b0c89726 [INFO] running `Command { std: "docker" "start" "-a" "655ab676e1b49ca153f97973ccba5a154087cae2556994c0483f1bd6b0c89726", kill_on_drop: false }` [INFO] [stderr] Checking levenshtein v1.0.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rust-levensthein v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lfilter.rs:14:20 [INFO] [stdout] | [INFO] [stdout] 14 | words: &'a mut Iterator>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lfilter.rs:27:20 [INFO] [stdout] | [INFO] [stdout] 27 | words: &'a mut Iterator>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/pfilter.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | fn to_vec(words: &mut Iterator>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/pfilter.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | words: &mut Iterator>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lfilter.rs:14:20 [INFO] [stdout] | [INFO] [stdout] 14 | words: &'a mut Iterator>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lfilter.rs:27:20 [INFO] [stdout] | [INFO] [stdout] 27 | words: &'a mut Iterator>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/pfilter.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | fn to_vec(words: &mut Iterator>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/pfilter.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | words: &mut Iterator>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.63s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "655ab676e1b49ca153f97973ccba5a154087cae2556994c0483f1bd6b0c89726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "655ab676e1b49ca153f97973ccba5a154087cae2556994c0483f1bd6b0c89726", kill_on_drop: false }` [INFO] [stdout] 655ab676e1b49ca153f97973ccba5a154087cae2556994c0483f1bd6b0c89726