[INFO] crate wping 0.3.0 is already in cache [INFO] testing wping-0.3.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate wping 0.3.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate wping 0.3.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate wping 0.3.0 [INFO] finished tweaking crates.io crate wping 0.3.0 [INFO] tweaked toml for crates.io crate wping 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] 2c6edaf17f12c1d15410b571679ee93d27b9dd57c9d6331336eb16a824de9cba [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "2c6edaf17f12c1d15410b571679ee93d27b9dd57c9d6331336eb16a824de9cba"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling pnet_base v0.26.0 [INFO] [stderr] Compiling pnet_macros_support v0.1.1 [INFO] [stderr] Compiling argparse v0.2.2 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling resolve v0.1.2 [INFO] [stderr] Compiling pnet_macros_support v0.26.0 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling chrono v0.3.0 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.15.0 [INFO] [stderr] Compiling pnet v0.16.0 [INFO] [stderr] Compiling wping v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:437:25 [INFO] [stderr] | [INFO] [stderr] 437 | let addrs = try!(resolve_host(&s).map_err(|e| String::from(e.description()))); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/columnar.rs:67:50 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn format(&'a self, values : Vec>) -> String { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/columnar.rs:72:50 [INFO] [stderr] | [INFO] [stderr] 72 | (col, v) : (&'a Column, Option<&Display>)| { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:155:77 [INFO] [stderr] | [INFO] [stderr] 155 | fn send_ping (mut tx : TransportSender, dst : Ipv4Addr, len : usize) -> Box ()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:404:30 [INFO] [stderr] | [INFO] [stderr] 404 | fn do_probe(probe : &mut Box ()>, stats: &mut Stats, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:500:60 [INFO] [stderr] | [INFO] [stderr] 500 | fn to_display(v : Option<&T>) -> Option<&fmt::Display> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:501:22 [INFO] [stderr] | [INFO] [stderr] 501 | v.map (|v| v as &fmt::Display) [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:508:39 [INFO] [stderr] | [INFO] [stderr] 508 | let seq = resp.map(|r| &r.seq as &fmt::Display); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:509:46 [INFO] [stderr] | [INFO] [stderr] 509 | let nbytes = resp.map (|r| &r.nbytes as &fmt::Display); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:510:39 [INFO] [stderr] | [INFO] [stderr] 510 | let ttl = resp.map(|r| &r.ttl as &fmt::Display); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:437:74 [INFO] [stderr] | [INFO] [stderr] 437 | let addrs = try!(resolve_host(&s).map_err(|e| String::from(e.description()))); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | let mut ipv4_payload = ipv4.payload_mut(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] 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] [stderr] --> src/main.rs:339:44 [INFO] [stderr] | [INFO] [stderr] 339 | for (i, unit) in ["s", "ms", "us"].into_iter().enumerate() { [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.85s [INFO] running `"docker" "inspect" "2c6edaf17f12c1d15410b571679ee93d27b9dd57c9d6331336eb16a824de9cba"` [INFO] running `"docker" "rm" "-f" "2c6edaf17f12c1d15410b571679ee93d27b9dd57c9d6331336eb16a824de9cba"` [INFO] [stdout] 2c6edaf17f12c1d15410b571679ee93d27b9dd57c9d6331336eb16a824de9cba [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c906ffdbe5816385f19e77728143356ac2fb4a7e5bed2c9b2376abfa3850dbaf [INFO] running `"docker" "start" "-a" "c906ffdbe5816385f19e77728143356ac2fb4a7e5bed2c9b2376abfa3850dbaf"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling wping v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:437:25 [INFO] [stderr] | [INFO] [stderr] 437 | let addrs = try!(resolve_host(&s).map_err(|e| String::from(e.description()))); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/columnar.rs:67:50 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn format(&'a self, values : Vec>) -> String { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/columnar.rs:72:50 [INFO] [stderr] | [INFO] [stderr] 72 | (col, v) : (&'a Column, Option<&Display>)| { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:155:77 [INFO] [stderr] | [INFO] [stderr] 155 | fn send_ping (mut tx : TransportSender, dst : Ipv4Addr, len : usize) -> Box ()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:404:30 [INFO] [stderr] | [INFO] [stderr] 404 | fn do_probe(probe : &mut Box ()>, stats: &mut Stats, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:500:60 [INFO] [stderr] | [INFO] [stderr] 500 | fn to_display(v : Option<&T>) -> Option<&fmt::Display> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:501:22 [INFO] [stderr] | [INFO] [stderr] 501 | v.map (|v| v as &fmt::Display) [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:508:39 [INFO] [stderr] | [INFO] [stderr] 508 | let seq = resp.map(|r| &r.seq as &fmt::Display); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:509:46 [INFO] [stderr] | [INFO] [stderr] 509 | let nbytes = resp.map (|r| &r.nbytes as &fmt::Display); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:510:39 [INFO] [stderr] | [INFO] [stderr] 510 | let ttl = resp.map(|r| &r.ttl as &fmt::Display); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:437:74 [INFO] [stderr] | [INFO] [stderr] 437 | let addrs = try!(resolve_host(&s).map_err(|e| String::from(e.description()))); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | let mut ipv4_payload = ipv4.payload_mut(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] 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] [stderr] --> src/main.rs:339:44 [INFO] [stderr] | [INFO] [stderr] 339 | for (i, unit) in ["s", "ms", "us"].into_iter().enumerate() { [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.68s [INFO] running `"docker" "inspect" "c906ffdbe5816385f19e77728143356ac2fb4a7e5bed2c9b2376abfa3850dbaf"` [INFO] running `"docker" "rm" "-f" "c906ffdbe5816385f19e77728143356ac2fb4a7e5bed2c9b2376abfa3850dbaf"` [INFO] [stdout] c906ffdbe5816385f19e77728143356ac2fb4a7e5bed2c9b2376abfa3850dbaf [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5804ea4334e0d3d03bb12f2ff97eed5839e0cacbdef6e3f87142576cc0a59ef3 [INFO] running `"docker" "start" "-a" "5804ea4334e0d3d03bb12f2ff97eed5839e0cacbdef6e3f87142576cc0a59ef3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] running 1 test [INFO] [stderr] --> src/main.rs:437:25 [INFO] [stdout] test test_nanoseconds_display ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 437 | let addrs = try!(resolve_host(&s).map_err(|e| String::from(e.description()))); [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] | ^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/columnar.rs:67:50 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn format(&'a self, values : Vec>) -> String { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/columnar.rs:72:50 [INFO] [stderr] | [INFO] [stderr] 72 | (col, v) : (&'a Column, Option<&Display>)| { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:155:77 [INFO] [stderr] | [INFO] [stderr] 155 | fn send_ping (mut tx : TransportSender, dst : Ipv4Addr, len : usize) -> Box ()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:404:30 [INFO] [stderr] | [INFO] [stderr] 404 | fn do_probe(probe : &mut Box ()>, stats: &mut Stats, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:500:60 [INFO] [stderr] | [INFO] [stderr] 500 | fn to_display(v : Option<&T>) -> Option<&fmt::Display> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:501:22 [INFO] [stderr] | [INFO] [stderr] 501 | v.map (|v| v as &fmt::Display) [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:508:39 [INFO] [stderr] | [INFO] [stderr] 508 | let seq = resp.map(|r| &r.seq as &fmt::Display); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:509:46 [INFO] [stderr] | [INFO] [stderr] 509 | let nbytes = resp.map (|r| &r.nbytes as &fmt::Display); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:510:39 [INFO] [stderr] | [INFO] [stderr] 510 | let ttl = resp.map(|r| &r.ttl as &fmt::Display); [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:437:74 [INFO] [stderr] | [INFO] [stderr] 437 | let addrs = try!(resolve_host(&s).map_err(|e| String::from(e.description()))); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | let mut ipv4_payload = ipv4.payload_mut(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] 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] [stderr] --> src/main.rs:339:44 [INFO] [stderr] | [INFO] [stderr] 339 | for (i, unit) in ["s", "ms", "us"].into_iter().enumerate() { [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/wping-4af9663b0ff7c5a2 [INFO] running `"docker" "inspect" "5804ea4334e0d3d03bb12f2ff97eed5839e0cacbdef6e3f87142576cc0a59ef3"` [INFO] running `"docker" "rm" "-f" "5804ea4334e0d3d03bb12f2ff97eed5839e0cacbdef6e3f87142576cc0a59ef3"` [INFO] [stdout] 5804ea4334e0d3d03bb12f2ff97eed5839e0cacbdef6e3f87142576cc0a59ef3