[INFO] fetching crate surge-ping 0.8.3... [INFO] checking surge-ping-0.8.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate surge-ping 0.8.3 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate surge-ping 0.8.3 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate surge-ping 0.8.3 [INFO] tweaked toml for crates.io crate surge-ping 0.8.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate surge-ping 0.8.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate surge-ping 0.8.3 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fecd61660b6c6e7c2fb66465192497cf6705c868a234c2a6c07540f901a4a77c [INFO] running `Command { std: "docker" "start" "-a" "fecd61660b6c6e7c2fb66465192497cf6705c868a234c2a6c07540f901a4a77c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fecd61660b6c6e7c2fb66465192497cf6705c868a234c2a6c07540f901a4a77c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fecd61660b6c6e7c2fb66465192497cf6705c868a234c2a6c07540f901a4a77c", kill_on_drop: false }` [INFO] [stdout] fecd61660b6c6e7c2fb66465192497cf6705c868a234c2a6c07540f901a4a77c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 586feb9fe6e4e3110341ef2990542951423fd1a61efb800d0aa93e11dc10c03d [INFO] running `Command { std: "docker" "start" "-a" "586feb9fe6e4e3110341ef2990542951423fd1a61efb800d0aa93e11dc10c03d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling futures-core v0.3.27 [INFO] [stderr] Compiling getrandom v0.3.1 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling futures-task v0.3.27 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling futures-channel v0.3.27 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling zerocopy v0.8.21 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Compiling futures-util v0.3.27 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking futures-sink v0.3.27 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking pnet_base v0.34.0 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking futures-io v0.3.27 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking pnet_macros_support v0.34.0 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking socket2 v0.6.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Checking rand v0.9.0 [INFO] [stderr] Compiling futures-macro v0.3.27 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.57 [INFO] [stderr] Checking tokio v1.36.0 [INFO] [stderr] Compiling pnet_macros v0.34.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking pnet_packet v0.34.0 [INFO] [stderr] Checking futures-executor v0.3.27 [INFO] [stderr] Checking futures v0.3.27 [INFO] [stderr] Checking surge-ping v0.8.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `host` is never read [INFO] [stdout] --> src/error.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | host: IpAddr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ident` is never read [INFO] [stdout] --> src/error.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | ident: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `seq` is never read [INFO] [stdout] --> src/error.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | seq: PingSequence, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `host` is never read [INFO] [stdout] --> src/error.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | host: IpAddr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ident` is never read [INFO] [stdout] --> src/error.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | ident: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `seq` is never read [INFO] [stdout] --> src/error.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | seq: PingSequence, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `surge-ping` (example "simple") due to 2 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/simple.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | / #[structopt(short = "h", long)] [INFO] [stdout] 10 | | host: String, [INFO] [stdout] | |________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/simple.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | / /// Source multicast packets with the given interface address. This flag only applies if the ping [INFO] [stdout] 19 | | /// destination is a multicast address. [INFO] [stdout] 20 | | #[structopt(short = "I", long)] [INFO] [stdout] 21 | | iface: Option, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `surge-ping` (example "cmd") due to 2 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/cmd.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | / #[structopt(short = "h", long)] [INFO] [stdout] 97 | | host: String, [INFO] [stdout] | |________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/cmd.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | / /// Source multicast packets with the given interface address. This flag only applies if the ping [INFO] [stdout] 118 | | /// destination is a multicast address. [INFO] [stdout] 119 | | #[structopt(short = "I", long)] [INFO] [stdout] 120 | | iface: Option, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "586feb9fe6e4e3110341ef2990542951423fd1a61efb800d0aa93e11dc10c03d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "586feb9fe6e4e3110341ef2990542951423fd1a61efb800d0aa93e11dc10c03d", kill_on_drop: false }` [INFO] [stdout] 586feb9fe6e4e3110341ef2990542951423fd1a61efb800d0aa93e11dc10c03d