[INFO] cloning repository https://github.com/JiaoTuan/elop-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JiaoTuan/elop-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiaoTuan%2Felop-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiaoTuan%2Felop-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b4a3b854cd6b345b61dcc31cae8e476c166be44
[INFO] testing JiaoTuan/elop-rs against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiaoTuan%2Felop-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/JiaoTuan/elop-rs on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JiaoTuan/elop-rs
[INFO] finished tweaking git repo https://github.com/JiaoTuan/elop-rs
[INFO] tweaked toml for git repo https://github.com/JiaoTuan/elop-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JiaoTuan/elop-rs 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vsprintf v2.0.0
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[INFO] [stderr]   Downloaded bpf-sys v2.3.0
[INFO] [stderr]   Downloaded libbpf-sys v1.1.1+v1.1.0
[INFO] [stderr]   Downloaded libbpf-rs v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6bbd4dd330aadd7bdeb2443cd1f5406f9119588dd94493d103147b4d26f4874
[INFO] running `Command { std: "docker" "start" "-a" "c6bbd4dd330aadd7bdeb2443cd1f5406f9119588dd94493d103147b4d26f4874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6bbd4dd330aadd7bdeb2443cd1f5406f9119588dd94493d103147b4d26f4874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6bbd4dd330aadd7bdeb2443cd1f5406f9119588dd94493d103147b4d26f4874", kill_on_drop: false }`
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[INFO] [stdout] 1389123c8729ba5cb4217aafb3b968219391f000d3a9086ccb2a30c6e5771074
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[INFO] [stderr]    Compiling regex-syntax v0.7.1
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[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling once_cell v1.17.1
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[INFO] [stderr]    Compiling lazycell v1.3.0
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[INFO] [stderr]    Compiling rustc-hash v1.1.0
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[INFO] [stderr]    Compiling libbpf-rs v0.20.1
[INFO] [stderr]    Compiling bpf-sys v2.3.0
[INFO] [stderr]    Compiling relop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::imp::*`
[INFO] [stdout]  --> src/bpf/udpflow2.skel.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::imp::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udpflow2_skel::*`
[INFO] [stdout]   --> src/bpf/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use udpflow2_skel::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OpenObject`, `libbpf_sys::BPF_ANY`
[INFO] [stdout]  --> src/lib/bpf_load.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libbpf_rs::{libbpf_sys::BPF_ANY, MapFlags, OpenObject};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sysinfo::CpuRefreshKind`
[INFO] [stdout]  --> src/lib/bpf_load.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sysinfo::CpuRefreshKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `val_v` should have an upper camel case name
[INFO] [stdout]   --> src/lib/bpf_load.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct val_v {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `ValV`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib/bpf_load.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     loop{
[INFO] [stdout] 49 | |     let keys : Vec<_>= skel.maps().cpu_info_map().keys().collect();
[INFO] [stdout] 50 | |     let mut cpu_0: f64 = 0.0;
[INFO] [stdout] 51 | |     let mut cpu_1: f64 = 0.0;
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     thread::sleep(Duration::from_secs(1));
[INFO] [stdout] 73 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 74 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut skel_builder = UdpflowSkelBuilder::default();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut open_skel = skel_builder.open()?;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]   --> src/lib/bpf_load.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice:&[u8] = &array;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut skel_builder = CpuusageSkelBuilder::default();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut open_skel = skel_builder.open()?;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_time` is never read
[INFO] [stdout]   --> src/lib/bpf_load.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct val_v {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     last_time : u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cpu_usage_test` is never used
[INFO] [stdout]  --> src/bpf_test/cpu_usage.skel.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn cpu_usage_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     bump_memlock_rlimit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = bump_memlock_rlimit();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     skel.attach();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let _ = skel.attach();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     bump_memlock_rlimit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let _ = bump_memlock_rlimit();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     skel.attach();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = skel.attach();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.28s
[INFO] running `Command { std: "docker" "inspect" "1389123c8729ba5cb4217aafb3b968219391f000d3a9086ccb2a30c6e5771074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1389123c8729ba5cb4217aafb3b968219391f000d3a9086ccb2a30c6e5771074", kill_on_drop: false }`
[INFO] [stdout] 1389123c8729ba5cb4217aafb3b968219391f000d3a9086ccb2a30c6e5771074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe3d8673d73fb41cec3c44602b90d4d2fca0a2998a6bbfd44d846dd0d3b8104
[INFO] running `Command { std: "docker" "start" "-a" "6fe3d8673d73fb41cec3c44602b90d4d2fca0a2998a6bbfd44d846dd0d3b8104", kill_on_drop: false }`
[INFO] [stderr]    Compiling relop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::imp::*`
[INFO] [stdout]  --> src/bpf/udpflow2.skel.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::imp::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udpflow2_skel::*`
[INFO] [stdout]   --> src/bpf/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use udpflow2_skel::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OpenObject`, `libbpf_sys::BPF_ANY`
[INFO] [stdout]  --> src/lib/bpf_load.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libbpf_rs::{libbpf_sys::BPF_ANY, MapFlags, OpenObject};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sysinfo::CpuRefreshKind`
[INFO] [stdout]  --> src/lib/bpf_load.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sysinfo::CpuRefreshKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `val_v` should have an upper camel case name
[INFO] [stdout]   --> src/lib/bpf_load.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct val_v {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `ValV`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib/bpf_load.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     loop{
[INFO] [stdout] 49 | |     let keys : Vec<_>= skel.maps().cpu_info_map().keys().collect();
[INFO] [stdout] 50 | |     let mut cpu_0: f64 = 0.0;
[INFO] [stdout] 51 | |     let mut cpu_1: f64 = 0.0;
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     thread::sleep(Duration::from_secs(1));
[INFO] [stdout] 73 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 74 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut skel_builder = UdpflowSkelBuilder::default();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut open_skel = skel_builder.open()?;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]   --> src/lib/bpf_load.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice:&[u8] = &array;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut skel_builder = CpuusageSkelBuilder::default();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut open_skel = skel_builder.open()?;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_time` is never read
[INFO] [stdout]   --> src/lib/bpf_load.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct val_v {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     last_time : u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cpu_usage_test` is never used
[INFO] [stdout]  --> src/bpf_test/cpu_usage.skel.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn cpu_usage_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     bump_memlock_rlimit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = bump_memlock_rlimit();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     skel.attach();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let _ = skel.attach();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     bump_memlock_rlimit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let _ = bump_memlock_rlimit();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     skel.attach();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = skel.attach();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "6fe3d8673d73fb41cec3c44602b90d4d2fca0a2998a6bbfd44d846dd0d3b8104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe3d8673d73fb41cec3c44602b90d4d2fca0a2998a6bbfd44d846dd0d3b8104", kill_on_drop: false }`
[INFO] [stdout] 6fe3d8673d73fb41cec3c44602b90d4d2fca0a2998a6bbfd44d846dd0d3b8104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 325448793c4ebd45005a88eeecd61252b0aca553aaf18aa1a0c5bbede4a17266
[INFO] running `Command { std: "docker" "start" "-a" "325448793c4ebd45005a88eeecd61252b0aca553aaf18aa1a0c5bbede4a17266", kill_on_drop: false }`
[INFO] [stderr] warning: found module declaration for lib.rs
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod lib;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: lib.rs is the root of this crate's library target
[INFO] [stderr]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stderr]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::imp::*`
[INFO] [stderr]  --> src/bpf/udpflow2.skel.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use self::imp::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `udpflow2_skel::*`
[INFO] [stderr]   --> src/bpf/mod.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub use udpflow2_skel::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `OpenObject`, `libbpf_sys::BPF_ANY`
[INFO] [stderr]  --> src/lib/bpf_load.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use libbpf_rs::{libbpf_sys::BPF_ANY, MapFlags, OpenObject};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sysinfo::CpuRefreshKind`
[INFO] [stderr]  --> src/lib/bpf_load.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sysinfo::CpuRefreshKind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `val_v` should have an upper camel case name
[INFO] [stderr]   --> src/lib/bpf_load.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct val_v {
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper camel case: `ValV`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/lib/bpf_load.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | /     loop{
[INFO] [stderr] 49 | |     let keys : Vec<_>= skel.maps().cpu_info_map().keys().collect();
[INFO] [stderr] 50 | |     let mut cpu_0: f64 = 0.0;
[INFO] [stderr] 51 | |     let mut cpu_1: f64 = 0.0;
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |     thread::sleep(Duration::from_secs(1));
[INFO] [stderr] 73 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 74 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/bpf_load.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut skel_builder = UdpflowSkelBuilder::default();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/bpf_load.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut open_skel = skel_builder.open()?;
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slice`
[INFO] [stderr]   --> src/lib/bpf_load.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let slice:&[u8] = &array;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/bpf_load.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut skel_builder = CpuusageSkelBuilder::default();
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/bpf_load.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut open_skel = skel_builder.open()?;
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `last_time` is never read
[INFO] [stderr]   --> src/lib/bpf_load.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct val_v {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 38 |     last_time : u64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `cpu_usage_test` is never used
[INFO] [stderr]  --> src/bpf_test/cpu_usage.skel.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn cpu_usage_test() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib/bpf_load.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     bump_memlock_rlimit();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let _ = bump_memlock_rlimit();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib/bpf_load.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     skel.attach();
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let _ = skel.attach();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib/bpf_load.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     bump_memlock_rlimit();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let _ = bump_memlock_rlimit();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib/bpf_load.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     skel.attach();
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let _ = skel.attach();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `relop` (bin "relop" test) generated 18 warnings (run `cargo fix --bin "relop" --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/relop-b651c10c5643fcfa)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_mem_usage has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "325448793c4ebd45005a88eeecd61252b0aca553aaf18aa1a0c5bbede4a17266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325448793c4ebd45005a88eeecd61252b0aca553aaf18aa1a0c5bbede4a17266", kill_on_drop: false }`
[INFO] [stdout] 325448793c4ebd45005a88eeecd61252b0aca553aaf18aa1a0c5bbede4a17266
[INFO] testing JiaoTuan/elop-rs against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiaoTuan%2Felop-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/JiaoTuan/elop-rs on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JiaoTuan/elop-rs
[INFO] finished tweaking git repo https://github.com/JiaoTuan/elop-rs
[INFO] tweaked toml for git repo https://github.com/JiaoTuan/elop-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JiaoTuan/elop-rs 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d0ff94fa8caf001fe31e69367d82212c69d3f19ccd6305fc7cd036cbd0d3edd
[INFO] running `Command { std: "docker" "start" "-a" "7d0ff94fa8caf001fe31e69367d82212c69d3f19ccd6305fc7cd036cbd0d3edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d0ff94fa8caf001fe31e69367d82212c69d3f19ccd6305fc7cd036cbd0d3edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0ff94fa8caf001fe31e69367d82212c69d3f19ccd6305fc7cd036cbd0d3edd", kill_on_drop: false }`
[INFO] [stdout] 7d0ff94fa8caf001fe31e69367d82212c69d3f19ccd6305fc7cd036cbd0d3edd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 776d68b55fa9e44d47fa20ac472831120342e7ce8fe3409331106557023f1e88
[INFO] running `Command { std: "docker" "start" "-a" "776d68b55fa9e44d47fa20ac472831120342e7ce8fe3409331106557023f1e88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling winnow v0.4.4
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling zero v0.1.3
[INFO] [stderr]    Compiling libbpf-sys v1.1.1+v1.1.0
[INFO] [stderr]    Compiling vsprintf v2.0.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling toml_edit v0.19.8
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling sysinfo v0.28.4
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling libbpf-rs v0.20.1
[INFO] [stderr]    Compiling bpf-sys v2.3.0
[INFO] [stderr]    Compiling relop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::imp::*`
[INFO] [stdout]  --> src/bpf/udpflow2.skel.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::imp::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udpflow2_skel::*`
[INFO] [stdout]   --> src/bpf/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use udpflow2_skel::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OpenObject`, `libbpf_sys::BPF_ANY`
[INFO] [stdout]  --> src/lib/bpf_load.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libbpf_rs::{libbpf_sys::BPF_ANY, MapFlags, OpenObject};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sysinfo::CpuRefreshKind`
[INFO] [stdout]  --> src/lib/bpf_load.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sysinfo::CpuRefreshKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `val_v` should have an upper camel case name
[INFO] [stdout]   --> src/lib/bpf_load.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct val_v {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `ValV`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib/bpf_load.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     loop{
[INFO] [stdout] 49 | |     let keys : Vec<_>= skel.maps().cpu_info_map().keys().collect();
[INFO] [stdout] 50 | |     let mut cpu_0: f64 = 0.0;
[INFO] [stdout] 51 | |     let mut cpu_1: f64 = 0.0;
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     thread::sleep(Duration::from_secs(1));
[INFO] [stdout] 73 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 74 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut skel_builder = UdpflowSkelBuilder::default();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut open_skel = skel_builder.open()?;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]   --> src/lib/bpf_load.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice:&[u8] = &array;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut skel_builder = CpuusageSkelBuilder::default();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut open_skel = skel_builder.open()?;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_time` is never read
[INFO] [stdout]   --> src/lib/bpf_load.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct val_v {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     last_time : u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cpu_usage_test` is never used
[INFO] [stdout]  --> src/bpf_test/cpu_usage.skel.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn cpu_usage_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     bump_memlock_rlimit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = bump_memlock_rlimit();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     skel.attach();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let _ = skel.attach();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     bump_memlock_rlimit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let _ = bump_memlock_rlimit();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     skel.attach();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = skel.attach();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.73s
[INFO] running `Command { std: "docker" "inspect" "776d68b55fa9e44d47fa20ac472831120342e7ce8fe3409331106557023f1e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776d68b55fa9e44d47fa20ac472831120342e7ce8fe3409331106557023f1e88", kill_on_drop: false }`
[INFO] [stdout] 776d68b55fa9e44d47fa20ac472831120342e7ce8fe3409331106557023f1e88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e807a91e4b4667fe0644c7cc60490a88c90007042fe0c0bbf02e6acd9776219b
[INFO] running `Command { std: "docker" "start" "-a" "e807a91e4b4667fe0644c7cc60490a88c90007042fe0c0bbf02e6acd9776219b", kill_on_drop: false }`
[INFO] [stderr]    Compiling relop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::imp::*`
[INFO] [stdout]  --> src/bpf/udpflow2.skel.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::imp::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udpflow2_skel::*`
[INFO] [stdout]   --> src/bpf/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use udpflow2_skel::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OpenObject`, `libbpf_sys::BPF_ANY`
[INFO] [stdout]  --> src/lib/bpf_load.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libbpf_rs::{libbpf_sys::BPF_ANY, MapFlags, OpenObject};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sysinfo::CpuRefreshKind`
[INFO] [stdout]  --> src/lib/bpf_load.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sysinfo::CpuRefreshKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `val_v` should have an upper camel case name
[INFO] [stdout]   --> src/lib/bpf_load.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct val_v {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `ValV`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib/bpf_load.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     loop{
[INFO] [stdout] 49 | |     let keys : Vec<_>= skel.maps().cpu_info_map().keys().collect();
[INFO] [stdout] 50 | |     let mut cpu_0: f64 = 0.0;
[INFO] [stdout] 51 | |     let mut cpu_1: f64 = 0.0;
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     thread::sleep(Duration::from_secs(1));
[INFO] [stdout] 73 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 74 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut skel_builder = UdpflowSkelBuilder::default();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut open_skel = skel_builder.open()?;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]   --> src/lib/bpf_load.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let slice:&[u8] = &array;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut skel_builder = CpuusageSkelBuilder::default();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/bpf_load.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut open_skel = skel_builder.open()?;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_time` is never read
[INFO] [stdout]   --> src/lib/bpf_load.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct val_v {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     last_time : u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cpu_usage_test` is never used
[INFO] [stdout]  --> src/bpf_test/cpu_usage.skel.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn cpu_usage_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     bump_memlock_rlimit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = bump_memlock_rlimit();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     skel.attach();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let _ = skel.attach();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     bump_memlock_rlimit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let _ = bump_memlock_rlimit();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/bpf_load.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     skel.attach();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = skel.attach();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "e807a91e4b4667fe0644c7cc60490a88c90007042fe0c0bbf02e6acd9776219b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e807a91e4b4667fe0644c7cc60490a88c90007042fe0c0bbf02e6acd9776219b", kill_on_drop: false }`
[INFO] [stdout] e807a91e4b4667fe0644c7cc60490a88c90007042fe0c0bbf02e6acd9776219b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2efc037d2982be45e3f239209985d0347da56f6d148855b8d3635a8ed9a735c
[INFO] running `Command { std: "docker" "start" "-a" "b2efc037d2982be45e3f239209985d0347da56f6d148855b8d3635a8ed9a735c", kill_on_drop: false }`
[INFO] [stderr] warning: found module declaration for lib.rs
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod lib;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: lib.rs is the root of this crate's library target
[INFO] [stderr]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stderr]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::imp::*`
[INFO] [stderr]  --> src/bpf/udpflow2.skel.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use self::imp::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `udpflow2_skel::*`
[INFO] [stderr]   --> src/bpf/mod.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub use udpflow2_skel::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `OpenObject`, `libbpf_sys::BPF_ANY`
[INFO] [stderr]  --> src/lib/bpf_load.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use libbpf_rs::{libbpf_sys::BPF_ANY, MapFlags, OpenObject};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sysinfo::CpuRefreshKind`
[INFO] [stderr]  --> src/lib/bpf_load.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sysinfo::CpuRefreshKind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `val_v` should have an upper camel case name
[INFO] [stderr]   --> src/lib/bpf_load.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct val_v {
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper camel case: `ValV`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/lib/bpf_load.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | /     loop{
[INFO] [stderr] 49 | |     let keys : Vec<_>= skel.maps().cpu_info_map().keys().collect();
[INFO] [stderr] 50 | |     let mut cpu_0: f64 = 0.0;
[INFO] [stderr] 51 | |     let mut cpu_1: f64 = 0.0;
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |     thread::sleep(Duration::from_secs(1));
[INFO] [stderr] 73 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 74 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/bpf_load.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut skel_builder = UdpflowSkelBuilder::default();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/bpf_load.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut open_skel = skel_builder.open()?;
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slice`
[INFO] [stderr]   --> src/lib/bpf_load.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let slice:&[u8] = &array;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/bpf_load.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut skel_builder = CpuusageSkelBuilder::default();
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/bpf_load.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut open_skel = skel_builder.open()?;
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `last_time` is never read
[INFO] [stderr]   --> src/lib/bpf_load.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct val_v {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 38 |     last_time : u64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `cpu_usage_test` is never used
[INFO] [stderr]  --> src/bpf_test/cpu_usage.skel.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn cpu_usage_test() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib/bpf_load.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     bump_memlock_rlimit();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let _ = bump_memlock_rlimit();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib/bpf_load.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     skel.attach();
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let _ = skel.attach();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib/bpf_load.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     bump_memlock_rlimit();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let _ = bump_memlock_rlimit();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib/bpf_load.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     skel.attach();
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let _ = skel.attach();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `relop` (bin "relop" test) generated 18 warnings (run `cargo fix --bin "relop" --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/relop-3e6a6f0d3e7c1bdf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_mem_usage has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b2efc037d2982be45e3f239209985d0347da56f6d148855b8d3635a8ed9a735c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2efc037d2982be45e3f239209985d0347da56f6d148855b8d3635a8ed9a735c", kill_on_drop: false }`
[INFO] [stdout] b2efc037d2982be45e3f239209985d0347da56f6d148855b8d3635a8ed9a735c
