[INFO] cloning repository https://github.com/sch00lb0y/rust-bpf-fork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sch00lb0y/rust-bpf-fork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsch00lb0y%2Frust-bpf-fork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsch00lb0y%2Frust-bpf-fork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccaae5cde90bd459d2d3d490a84cc172b64e77e6
[INFO] testing sch00lb0y/rust-bpf-fork against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsch00lb0y%2Frust-bpf-fork" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sch00lb0y/rust-bpf-fork on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sch00lb0y/rust-bpf-fork
[INFO] finished tweaking git repo https://github.com/sch00lb0y/rust-bpf-fork
[INFO] tweaked toml for git repo https://github.com/sch00lb0y/rust-bpf-fork written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sch00lb0y/rust-bpf-fork already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bcc-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39db1c176178ee5396d73b0c0f7d1ed10ffef6167eb33d6ec36a44fa9bc7cb65
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "39db1c176178ee5396d73b0c0f7d1ed10ffef6167eb33d6ec36a44fa9bc7cb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39db1c176178ee5396d73b0c0f7d1ed10ffef6167eb33d6ec36a44fa9bc7cb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39db1c176178ee5396d73b0c0f7d1ed10ffef6167eb33d6ec36a44fa9bc7cb65", kill_on_drop: false }`
[INFO] [stdout] 39db1c176178ee5396d73b0c0f7d1ed10ffef6167eb33d6ec36a44fa9bc7cb65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8cbbda8e725b47889423e6244ea24fabb2936eef138209ee5003bc3425ce4dc
[INFO] running `Command { std: "docker" "start" "-a" "e8cbbda8e725b47889423e6244ea24fabb2936eef138209ee5003bc3425ce4dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling termcolor v1.0.1
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.3
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling clap v2.29.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling cexpr v0.2.2
[INFO] [stderr]    Compiling env_logger v0.5.12
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling bcc-sys v0.7.0
[INFO] [stderr]    Compiling bcc v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `types::MutPointer`
[INFO] [stdout]  --> src/core/uprobe.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use types::MutPointer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]   --> src/core/uprobe.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ptr;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/perf.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     raw_cb: Box<FnMut(&[u8]) + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/perf.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     cb: Box<Fn() -> Box<FnMut(&[u8]) + Send>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Box<FnMut(&[u8]) + Send>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/perf.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |     cb: Box<Fn() -> Box<FnMut(&[u8]) + Send>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/perf.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     raw_cb: Box<FnMut(&[u8]) + Send>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]   --> src/core/mod.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/core/mod.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_fd`
[INFO] [stdout]   --> src/core/mod.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> src/core/mod.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/core/mod.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_fd`
[INFO] [stdout]    --> src/core/mod.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/core/uprobe.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (cpu, group_fd) = (0, -1);
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_fd`
[INFO] [stdout]   --> src/core/uprobe.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (cpu, group_fd) = (0, -1);
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `table`
[INFO] [stdout]   --> src/perf.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     table: Table,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `callbacks`
[INFO] [stdout]   --> src/perf.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     callbacks: Vec<Box<PerfCallback>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.78s
[INFO] running `Command { std: "docker" "inspect" "e8cbbda8e725b47889423e6244ea24fabb2936eef138209ee5003bc3425ce4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8cbbda8e725b47889423e6244ea24fabb2936eef138209ee5003bc3425ce4dc", kill_on_drop: false }`
[INFO] [stdout] e8cbbda8e725b47889423e6244ea24fabb2936eef138209ee5003bc3425ce4dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19c7664f09a95b1b84499f720fe6e8c0df52a1145e38d33bcc1b22ce1ddc9de2
[INFO] running `Command { std: "docker" "start" "-a" "19c7664f09a95b1b84499f720fe6e8c0df52a1145e38d33bcc1b22ce1ddc9de2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bcc v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `types::MutPointer`
[INFO] [stdout]  --> src/core/uprobe.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use types::MutPointer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]   --> src/core/uprobe.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ptr;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/perf.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     raw_cb: Box<FnMut(&[u8]) + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/perf.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     cb: Box<Fn() -> Box<FnMut(&[u8]) + Send>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Box<FnMut(&[u8]) + Send>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/perf.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |     cb: Box<Fn() -> Box<FnMut(&[u8]) + Send>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/perf.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     raw_cb: Box<FnMut(&[u8]) + Send>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]   --> src/core/mod.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/core/mod.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_fd`
[INFO] [stdout]   --> src/core/mod.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> src/core/mod.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/core/mod.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_fd`
[INFO] [stdout]    --> src/core/mod.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/core/uprobe.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (cpu, group_fd) = (0, -1);
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_fd`
[INFO] [stdout]   --> src/core/uprobe.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (cpu, group_fd) = (0, -1);
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `table`
[INFO] [stdout]   --> src/perf.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     table: Table,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `callbacks`
[INFO] [stdout]   --> src/perf.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     callbacks: Vec<Box<PerfCallback>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/opensnoop.rs:55:32
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn perf_data_callback() -> Box<FnMut(&[u8]) + Send> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::MutPointer`
[INFO] [stdout]  --> src/core/uprobe.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use types::MutPointer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]   --> src/core/uprobe.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ptr;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/perf.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     raw_cb: Box<FnMut(&[u8]) + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/perf.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     cb: Box<Fn() -> Box<FnMut(&[u8]) + Send>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Box<FnMut(&[u8]) + Send>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/perf.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |     cb: Box<Fn() -> Box<FnMut(&[u8]) + Send>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/perf.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     raw_cb: Box<FnMut(&[u8]) + Send>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cpuonline.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref TEST: Vec<TestData<'static>> = vec![
[INFO] [stdout] 51 | |                 TestData {
[INFO] [stdout] 52 | |                       data: "",
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | |         ];
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/opensnoop.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut perf_map = init_perf_map(table, perf_data_callback)?;
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             expected struct `Box`, found fn item
[INFO] [stdout]    |                                             help: store this in the heap by calling `Box::new`: `Box::new(perf_data_callback)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Box<(dyn Fn() -> Box<(dyn for<'r> FnMut(&'r [u8]) + Send + 'static)> + 'static)>`
[INFO] [stdout]              found fn item `fn() -> Box<(dyn for<'r> FnMut(&'r [u8]) + Send + 'static)> {perf_data_callback}`
[INFO] [stdout]    = note: for more on the distinction between the stack and the heap, read https://doc.rust-lang.org/book/ch15-01-box.html, https://doc.rust-lang.org/rust-by-example/std/box.html, and https://doc.rust-lang.org/std/boxed/index.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bcc` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.softirqs.a2f014e0-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7.3a8trj391q9eez6d.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-27bdc392d2215ae7/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libbcc-3344021b09ee4a8b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-39b85ac3b36ac1be.rlib" "/opt/rustwide/target/debug/deps/libbcc_sys-9e5ca73488709b46.rlib" "/opt/rustwide/target/debug/deps/libfailure-bcba9ab7cbe0a93e.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-24dc3e2fbb179067.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-3512cead3a2bf0b9.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b3e152bd7a3ad5ef.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-dd5c2b17cf4396e4.rlib" "/opt/rustwide/target/debug/deps/liblibc-149d35ccee2b3510.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lbcc" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/softirqs-b2187a1af0bc70d7" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lbcc
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.strlen.4defd096-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d.2x20f6bwk5ie9s0e.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-27bdc392d2215ae7/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libbcc-3344021b09ee4a8b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-39b85ac3b36ac1be.rlib" "/opt/rustwide/target/debug/deps/libbcc_sys-9e5ca73488709b46.rlib" "/opt/rustwide/target/debug/deps/libfailure-bcba9ab7cbe0a93e.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-24dc3e2fbb179067.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-3512cead3a2bf0b9.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b3e152bd7a3ad5ef.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-dd5c2b17cf4396e4.rlib" "/opt/rustwide/target/debug/deps/liblibc-149d35ccee2b3510.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lbcc" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/strlen-d2ab1e4e4a0a408d" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lbcc
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]   --> src/core/mod.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/core/mod.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_fd`
[INFO] [stdout]   --> src/core/mod.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> src/core/mod.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/core/mod.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_fd`
[INFO] [stdout]    --> src/core/mod.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let (pid, cpu, group_fd) = (-1, 0, -1);
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/core/uprobe.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (cpu, group_fd) = (0, -1);
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_fd`
[INFO] [stdout]   --> src/core/uprobe.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (cpu, group_fd) = (0, -1);
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `table`
[INFO] [stdout]   --> src/perf.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     table: Table,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `callbacks`
[INFO] [stdout]   --> src/perf.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     callbacks: Vec<Box<PerfCallback>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.bcc.2d11d257-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147.1z7e5gbeaz1bm9sb.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-27bdc392d2215ae7/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-6e9019ff2cdb2237.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-e9cc0b5f091b140c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-762dfa4479f14aad.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-2a5ac1cc0b21909c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b524ce3cd6e4e87c.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-39b85ac3b36ac1be.rlib" "/opt/rustwide/target/debug/deps/libbcc_sys-9e5ca73488709b46.rlib" "/opt/rustwide/target/debug/deps/libfailure-bcba9ab7cbe0a93e.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-24dc3e2fbb179067.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-3512cead3a2bf0b9.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b3e152bd7a3ad5ef.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-dd5c2b17cf4396e4.rlib" "/opt/rustwide/target/debug/deps/liblibc-149d35ccee2b3510.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lbcc" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/bcc-f0d1e7d844efe147" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lbcc
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "19c7664f09a95b1b84499f720fe6e8c0df52a1145e38d33bcc1b22ce1ddc9de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c7664f09a95b1b84499f720fe6e8c0df52a1145e38d33bcc1b22ce1ddc9de2", kill_on_drop: false }`
[INFO] [stdout] 19c7664f09a95b1b84499f720fe6e8c0df52a1145e38d33bcc1b22ce1ddc9de2
