[INFO] cloning repository https://github.com/stephenc/dns-watch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stephenc/dns-watch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenc%2Fdns-watch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenc%2Fdns-watch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 497c9331ae6c018615052e84b37102032a43d96f [INFO] checking stephenc/dns-watch against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenc%2Fdns-watch" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stephenc/dns-watch on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/stephenc/dns-watch [INFO] finished tweaking git repo https://github.com/stephenc/dns-watch [INFO] tweaked toml for git repo https://github.com/stephenc/dns-watch written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/stephenc/dns-watch already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v0.4.29 [INFO] [stderr] Downloaded same-file v1.0.4 [INFO] [stderr] Downloaded pest_generator v2.1.0 [INFO] [stderr] Downloaded walkdir v2.2.7 [INFO] [stderr] Downloaded opaque-debug v0.2.2 [INFO] [stderr] Downloaded domain v0.4.0 [INFO] [stderr] Downloaded block-padding v0.1.4 [INFO] [stderr] Downloaded meval v0.1.0 [INFO] [stderr] Downloaded getopts v0.2.19 [INFO] [stderr] Downloaded generic-array v0.12.0 [INFO] [stderr] Downloaded digest v0.8.0 [INFO] [stderr] Downloaded tokio-threadpool v0.1.14 [INFO] [stderr] Downloaded tokio-sync v0.1.5 [INFO] [stderr] Downloaded tokio v0.1.19 [INFO] [stderr] Downloaded pest v2.1.1 [INFO] [stderr] Downloaded ucd-trie v0.1.1 [INFO] [stderr] Downloaded domain-resolv v0.4.0 [INFO] [stderr] Downloaded futures v0.1.26 [INFO] [stderr] Downloaded domain-core v0.4.0 [INFO] [stderr] Downloaded maplit v1.0.1 [INFO] [stderr] Downloaded pest_meta v2.1.1 [INFO] [stderr] Downloaded handlebars v1.1.0 [INFO] [stderr] Downloaded nom v1.2.4 [INFO] [stderr] Downloaded sha-1 v0.8.1 [INFO] [stderr] Downloaded libc v0.2.53 [INFO] [stderr] Downloaded winapi v0.3.7 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03dae313705096727b8a1594c4924d82848bb37a48e918cf76ef893b3aac1e77 [INFO] running `Command { std: "docker" "start" "-a" "03dae313705096727b8a1594c4924d82848bb37a48e918cf76ef893b3aac1e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03dae313705096727b8a1594c4924d82848bb37a48e918cf76ef893b3aac1e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03dae313705096727b8a1594c4924d82848bb37a48e918cf76ef893b3aac1e77", kill_on_drop: false }` [INFO] [stdout] 03dae313705096727b8a1594c4924d82848bb37a48e918cf76ef893b3aac1e77 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 150c374cdb7d7d8742cfd1b7c30dc0b5d206555361bcd3107dd47a2bdfe5dc95 [INFO] running `Command { std: "docker" "start" "-a" "150c374cdb7d7d8742cfd1b7c30dc0b5d206555361bcd3107dd47a2bdfe5dc95", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.53 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking futures v0.1.26 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling cc v1.0.36 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling pest v2.1.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking nom v1.2.4 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking meval v0.1.0 [INFO] [stderr] Checking getopts v0.2.19 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking tokio-sync v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Compiling pest_meta v2.1.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking domain-core v0.4.0 [INFO] [stderr] Checking handlebars v1.1.0 [INFO] [stderr] Checking domain-resolv v0.4.0 [INFO] [stderr] Checking domain v0.4.0 [INFO] [stderr] Checking dns-watch v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:412:15 [INFO] [stdout] | [INFO] [stdout] 412 | out: &mut Output, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 412 | out: &mut dyn Output, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:412:15 [INFO] [stdout] | [INFO] [stdout] 412 | out: &mut Output, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 412 | out: &mut dyn Output, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:437:15 [INFO] [stdout] | [INFO] [stdout] 437 | out: &mut Output, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 437 | out: &mut dyn Output, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:437:15 [INFO] [stdout] | [INFO] [stdout] 437 | out: &mut Output, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 437 | out: &mut dyn Output, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:473:15 [INFO] [stdout] | [INFO] [stdout] 473 | out: &mut Output, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 473 | out: &mut dyn Output, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:473:15 [INFO] [stdout] | [INFO] [stdout] 473 | out: &mut Output, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 473 | out: &mut dyn Output, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:506:15 [INFO] [stdout] | [INFO] [stdout] 506 | out: &mut Output, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 506 | out: &mut dyn Output, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:506:15 [INFO] [stdout] | [INFO] [stdout] 506 | out: &mut Output, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 506 | out: &mut dyn Output, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:351:71 [INFO] [stdout] | [INFO] [stdout] 351 | Err(why) => panic!("couldn't create {}: {}", output_file, why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:358:17 [INFO] [stdout] | [INFO] [stdout] 358 | why.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:374:17 [INFO] [stdout] | [INFO] [stdout] 374 | why.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:351:71 [INFO] [stdout] | [INFO] [stdout] 351 | Err(why) => panic!("couldn't create {}: {}", output_file, why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:390:25 [INFO] [stdout] | [INFO] [stdout] 390 | why.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:358:17 [INFO] [stdout] | [INFO] [stdout] 358 | why.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:374:17 [INFO] [stdout] | [INFO] [stdout] 374 | why.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:390:25 [INFO] [stdout] | [INFO] [stdout] 390 | why.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:636:25 [INFO] [stdout] | [INFO] [stdout] 636 | why.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:636:25 [INFO] [stdout] | [INFO] [stdout] 636 | why.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:269:41 [INFO] [stdout] | [INFO] [stdout] 269 | let host = Dname::from_str(host_name.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:292:31 [INFO] [stdout] | [INFO] [stdout] 292 | alias_name.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:293:30 [INFO] [stdout] | [INFO] [stdout] 293 | host_name.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:308:31 [INFO] [stdout] | [INFO] [stdout] 308 | alias_name.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:309:30 [INFO] [stdout] | [INFO] [stdout] 309 | host_name.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:337:39 [INFO] [stdout] | [INFO] [stdout] 337 | Some(hn) => hn.clone().to_string(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:545:26 [INFO] [stdout] | [INFO] [stdout] 545 | Err(f) => panic!(f.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 545 | Err(f) => panic!("{}", f.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:568:26 [INFO] [stdout] | [INFO] [stdout] 568 | Err(f) => panic!(f.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 568 | Err(f) => panic!("{}", f.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:269:41 [INFO] [stdout] | [INFO] [stdout] 269 | let host = Dname::from_str(host_name.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:292:31 [INFO] [stdout] | [INFO] [stdout] 292 | alias_name.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:293:30 [INFO] [stdout] | [INFO] [stdout] 293 | host_name.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:308:31 [INFO] [stdout] | [INFO] [stdout] 308 | alias_name.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:309:30 [INFO] [stdout] | [INFO] [stdout] 309 | host_name.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:337:39 [INFO] [stdout] | [INFO] [stdout] 337 | Some(hn) => hn.clone().to_string(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:545:26 [INFO] [stdout] | [INFO] [stdout] 545 | Err(f) => panic!(f.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 545 | Err(f) => panic!("{}", f.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:568:26 [INFO] [stdout] | [INFO] [stdout] 568 | Err(f) => panic!(f.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 568 | Err(f) => panic!("{}", f.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.78s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "150c374cdb7d7d8742cfd1b7c30dc0b5d206555361bcd3107dd47a2bdfe5dc95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "150c374cdb7d7d8742cfd1b7c30dc0b5d206555361bcd3107dd47a2bdfe5dc95", kill_on_drop: false }` [INFO] [stdout] 150c374cdb7d7d8742cfd1b7c30dc0b5d206555361bcd3107dd47a2bdfe5dc95