[INFO] cloning repository https://github.com/cherrypiejam/ece539b-proj [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cherrypiejam/ece539b-proj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcherrypiejam%2Fece539b-proj", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcherrypiejam%2Fece539b-proj'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ee3013cb2465d5e95ae42d941cfd2aa3318c31ec [INFO] checking cherrypiejam/ece539b-proj against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcherrypiejam%2Fece539b-proj" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cherrypiejam/ece539b-proj on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cherrypiejam/ece539b-proj [INFO] finished tweaking git repo https://github.com/cherrypiejam/ece539b-proj [INFO] tweaked toml for git repo https://github.com/cherrypiejam/ece539b-proj written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cherrypiejam/ece539b-proj 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mio v0.8.9 [INFO] [stderr] Downloaded anstyle-parse v0.2.2 [INFO] [stderr] Downloaded rustix v0.38.25 [INFO] [stderr] Downloaded anstyle-wincon v3.0.1 [INFO] [stderr] Downloaded tokio v1.34.0 [INFO] [stderr] Downloaded anstream v0.6.4 [INFO] [stderr] Downloaded anstyle v1.0.4 [INFO] [stderr] Downloaded clap_lex v0.6.0 [INFO] [stderr] Downloaded clap_builder v4.4.8 [INFO] [stderr] Downloaded linux-raw-sys v0.4.11 [INFO] [stderr] Downloaded clap v4.4.8 [INFO] [stderr] Downloaded dns-lookup v2.0.4 [INFO] [stderr] Downloaded openssl v0.10.60 [INFO] [stderr] Downloaded openssl-sys v0.9.96 [INFO] [stderr] Downloaded wasm-streams v0.3.0 [INFO] [stderr] Downloaded web-sys v0.3.65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d525225eaceb2181f55afb5486d64917318043463a2faf8714bf984ca24c859f [INFO] running `Command { std: "docker" "start" "-a" "d525225eaceb2181f55afb5486d64917318043463a2faf8714bf984ca24c859f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d525225eaceb2181f55afb5486d64917318043463a2faf8714bf984ca24c859f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d525225eaceb2181f55afb5486d64917318043463a2faf8714bf984ca24c859f", kill_on_drop: false }` [INFO] [stdout] d525225eaceb2181f55afb5486d64917318043463a2faf8714bf984ca24c859f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6c886b692002efe997840fc1a11797f341595b429a399677ab270b434608371 [INFO] running `Command { std: "docker" "start" "-a" "e6c886b692002efe997840fc1a11797f341595b429a399677ab270b434608371", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling openssl v0.10.60 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Checking base64 v0.21.5 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking clap_builder v4.4.8 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking dns-lookup v2.0.4 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling openssl-sys v0.9.96 [INFO] [stderr] Checking clap v4.4.8 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking h2 v0.3.22 [INFO] [stderr] Checking hyper v0.14.27 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.22 [INFO] [stderr] Checking net-timing-channel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{IpAddr, Ipv4Addr}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/main.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/ping.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, RngCore}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EchoReply` [INFO] [stdout] --> src/ping.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::icmp::{Echo, EchoReply, ICMP}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/stream.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dns_lookup` is imported redundantly [INFO] [stdout] --> src/channel.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use dns_lookup; [INFO] [stdout] | ^^^^^^^^^^ the item `dns_lookup` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{IpAddr, Ipv4Addr}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/main.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/ping.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, RngCore}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EchoReply` [INFO] [stdout] --> src/ping.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::icmp::{Echo, EchoReply, ICMP}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/stream.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dns_lookup` is imported redundantly [INFO] [stdout] --> src/channel.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use dns_lookup; [INFO] [stdout] | ^^^^^^^^^^ the item `dns_lookup` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/icmp.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | fn read(buf: &mut [u8]) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `read` is never used [INFO] [stdout] --> src/icmp.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait ICMP<'a> { [INFO] [stdout] | ---- associated function in this trait [INFO] [stdout] 12 | const CNTL_MSG: ControlMsg; [INFO] [stdout] 13 | fn read(buf: &'a mut [u8]) -> Result where Self: Sized; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `seq`, and `data` are never read [INFO] [stdout] --> src/icmp.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | pub struct EchoReply<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 57 | id: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 58 | seq: u16, [INFO] [stdout] | ^^^ [INFO] [stdout] 59 | data: &'a [u8], [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/icmp.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 62 | impl<'a> EchoReply<'a> { [INFO] [stdout] | ---------------------- associated function in this implementation [INFO] [stdout] 63 | pub fn new(id: u16, seq: u16, data: &'a [u8]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ping_raw` is never used [INFO] [stdout] --> src/ping.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn ping_raw(addr: Ipv4Addr, timeout: Option) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Ping` is never constructed [INFO] [stdout] --> src/channel.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub enum BurstControl { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 15 | Ping { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BurstControl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/icmp.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | fn read(buf: &mut [u8]) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `read` is never used [INFO] [stdout] --> src/icmp.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait ICMP<'a> { [INFO] [stdout] | ---- associated function in this trait [INFO] [stdout] 12 | const CNTL_MSG: ControlMsg; [INFO] [stdout] 13 | fn read(buf: &'a mut [u8]) -> Result where Self: Sized; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `seq`, and `data` are never read [INFO] [stdout] --> src/icmp.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | pub struct EchoReply<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 57 | id: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 58 | seq: u16, [INFO] [stdout] | ^^^ [INFO] [stdout] 59 | data: &'a [u8], [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/icmp.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 62 | impl<'a> EchoReply<'a> { [INFO] [stdout] | ---------------------- associated function in this implementation [INFO] [stdout] 63 | pub fn new(id: u16, seq: u16, data: &'a [u8]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ping_raw` is never used [INFO] [stdout] --> src/ping.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn ping_raw(addr: Ipv4Addr, timeout: Option) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Ping` is never constructed [INFO] [stdout] --> src/channel.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub enum BurstControl { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 15 | Ping { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BurstControl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.17s [INFO] running `Command { std: "docker" "inspect" "e6c886b692002efe997840fc1a11797f341595b429a399677ab270b434608371", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6c886b692002efe997840fc1a11797f341595b429a399677ab270b434608371", kill_on_drop: false }` [INFO] [stdout] e6c886b692002efe997840fc1a11797f341595b429a399677ab270b434608371 [INFO] checking cherrypiejam/ece539b-proj against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcherrypiejam%2Fece539b-proj" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cherrypiejam/ece539b-proj on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cherrypiejam/ece539b-proj [INFO] finished tweaking git repo https://github.com/cherrypiejam/ece539b-proj [INFO] tweaked toml for git repo https://github.com/cherrypiejam/ece539b-proj written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cherrypiejam/ece539b-proj 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e24c5563215cf9c52d0c4c7cbf1c389e696b2914714492daabc738998a5adda [INFO] running `Command { std: "docker" "start" "-a" "2e24c5563215cf9c52d0c4c7cbf1c389e696b2914714492daabc738998a5adda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e24c5563215cf9c52d0c4c7cbf1c389e696b2914714492daabc738998a5adda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e24c5563215cf9c52d0c4c7cbf1c389e696b2914714492daabc738998a5adda", kill_on_drop: false }` [INFO] [stdout] 2e24c5563215cf9c52d0c4c7cbf1c389e696b2914714492daabc738998a5adda [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2c4982a7eb3905a3b0f4d70ee6fd76d62c2500f5637de8a4362acf8d502eaea [INFO] running `Command { std: "docker" "start" "-a" "a2c4982a7eb3905a3b0f4d70ee6fd76d62c2500f5637de8a4362acf8d502eaea", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling openssl v0.10.60 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking base64 v0.21.5 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Checking clap_builder v4.4.8 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking dns-lookup v2.0.4 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling openssl-sys v0.9.96 [INFO] [stderr] Checking clap v4.4.8 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking h2 v0.3.22 [INFO] [stderr] Checking hyper v0.14.27 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.22 [INFO] [stderr] Checking net-timing-channel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{IpAddr, Ipv4Addr}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/main.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/ping.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, RngCore}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EchoReply` [INFO] [stdout] --> src/ping.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::icmp::{Echo, EchoReply, ICMP}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/stream.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dns_lookup` is imported redundantly [INFO] [stdout] --> src/channel.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use dns_lookup; [INFO] [stdout] | ^^^^^^^^^^ the item `dns_lookup` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{IpAddr, Ipv4Addr}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/main.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/ping.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{self, RngCore}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EchoReply` [INFO] [stdout] --> src/ping.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::icmp::{Echo, EchoReply, ICMP}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/stream.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dns_lookup` is imported redundantly [INFO] [stdout] --> src/channel.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use dns_lookup; [INFO] [stdout] | ^^^^^^^^^^ the item `dns_lookup` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/icmp.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | fn read(buf: &mut [u8]) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/icmp.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | fn read(buf: &mut [u8]) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `read` is never used [INFO] [stdout] --> src/icmp.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait ICMP<'a> { [INFO] [stdout] | ---- associated function in this trait [INFO] [stdout] 12 | const CNTL_MSG: ControlMsg; [INFO] [stdout] 13 | fn read(buf: &'a mut [u8]) -> Result where Self: Sized; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `seq`, and `data` are never read [INFO] [stdout] --> src/icmp.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | pub struct EchoReply<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 57 | id: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 58 | seq: u16, [INFO] [stdout] | ^^^ [INFO] [stdout] 59 | data: &'a [u8], [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/icmp.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 62 | impl<'a> EchoReply<'a> { [INFO] [stdout] | ---------------------- associated function in this implementation [INFO] [stdout] 63 | pub fn new(id: u16, seq: u16, data: &'a [u8]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ping_raw` is never used [INFO] [stdout] --> src/ping.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn ping_raw(addr: Ipv4Addr, timeout: Option) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Ping` is never constructed [INFO] [stdout] --> src/channel.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub enum BurstControl { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 15 | Ping { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BurstControl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `read` is never used [INFO] [stdout] --> src/icmp.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait ICMP<'a> { [INFO] [stdout] | ---- associated function in this trait [INFO] [stdout] 12 | const CNTL_MSG: ControlMsg; [INFO] [stdout] 13 | fn read(buf: &'a mut [u8]) -> Result where Self: Sized; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `seq`, and `data` are never read [INFO] [stdout] --> src/icmp.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | pub struct EchoReply<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 57 | id: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 58 | seq: u16, [INFO] [stdout] | ^^^ [INFO] [stdout] 59 | data: &'a [u8], [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/icmp.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 62 | impl<'a> EchoReply<'a> { [INFO] [stdout] | ---------------------- associated function in this implementation [INFO] [stdout] 63 | pub fn new(id: u16, seq: u16, data: &'a [u8]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ping_raw` is never used [INFO] [stdout] --> src/ping.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn ping_raw(addr: Ipv4Addr, timeout: Option) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Ping` is never constructed [INFO] [stdout] --> src/channel.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub enum BurstControl { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 15 | Ping { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BurstControl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.77s [INFO] running `Command { std: "docker" "inspect" "a2c4982a7eb3905a3b0f4d70ee6fd76d62c2500f5637de8a4362acf8d502eaea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2c4982a7eb3905a3b0f4d70ee6fd76d62c2500f5637de8a4362acf8d502eaea", kill_on_drop: false }` [INFO] [stdout] a2c4982a7eb3905a3b0f4d70ee6fd76d62c2500f5637de8a4362acf8d502eaea