[INFO] cloning repository https://github.com/gs0510/rustrace [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gs0510/rustrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgs0510%2Frustrace", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgs0510%2Frustrace'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 60fe42dccf7c3a32a8d041499e2f8cd5b4cae27b [INFO] testing gs0510/rustrace against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgs0510%2Frustrace" "/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/gs0510/rustrace on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gs0510/rustrace [INFO] finished tweaking git repo https://github.com/gs0510/rustrace [INFO] tweaked toml for git repo https://github.com/gs0510/rustrace written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/gs0510/rustrace already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 3be3108807c6651bcc7ebc351194cfb87835e103630d727577bfa04281a63974 [INFO] running `Command { std: "docker" "start" "-a" "3be3108807c6651bcc7ebc351194cfb87835e103630d727577bfa04281a63974", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3be3108807c6651bcc7ebc351194cfb87835e103630d727577bfa04281a63974", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3be3108807c6651bcc7ebc351194cfb87835e103630d727577bfa04281a63974", kill_on_drop: false }` [INFO] [stdout] 3be3108807c6651bcc7ebc351194cfb87835e103630d727577bfa04281a63974 [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a38e2b70206a1e2e051a4e10aa7b0d850931aad386c314346c2c7bc76d0b5e1 [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" "3a38e2b70206a1e2e051a4e10aa7b0d850931aad386c314346c2c7bc76d0b5e1", kill_on_drop: false }` [INFO] [stderr] Compiling strace v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:13:33 [INFO] [stdout] | [INFO] [stdout] 13 | fn traceme() -> std::io::Result<(())> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 13 - fn traceme() -> std::io::Result<(())> { [INFO] [stdout] 13 + fn traceme() -> std::io::Result<()> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | / /// Whether we are exiting (rather than entering) a syscall. [INFO] [stdout] 63 | | /// ptrace is stopped both times when exiting and entering a syscall, we only [INFO] [stdout] 64 | | /// need to stop once. [INFO] [stdout] | |____________________________^ [INFO] [stdout] 65 | let mut exit = true; [INFO] [stdout] | -------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | / /// syscall number is stored inside orig_rax register. Transalte from number [INFO] [stdout] 78 | | /// to syscall name using an array that stores all syscalls. [INFO] [stdout] | |__________________________________________________________________________^ [INFO] [stdout] 79 | let mut syscallName = system_call_names::SYSTEM_CALL_NAMES[(regs.orig_rax) as usize]; [INFO] [stdout] | ------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:23:47 [INFO] [stdout] | [INFO] [stdout] 23 | let mut regs: user_regs_struct = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `nix::sys::ptrace::ptrace`: usages of `ptrace()` should be replaced with the specialized helper functions instead [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | ptrace( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead [INFO] [stdout] --> src/main.rs:47:22 [INFO] [stdout] | [INFO] [stdout] 47 | let output = cmd.before_exec(traceme); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output` [INFO] [stdout] --> src/main.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let output = cmd.before_exec(traceme); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [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/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut child = cmd.spawn().expect("child process failed"); [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/main.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | let mut syscallName = system_call_names::SYSTEM_CALL_NAMES[(regs.orig_rax) as usize]; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | waitpid(pid, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `syscallName` should have a snake case name [INFO] [stdout] --> src/main.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | let mut syscallName = system_call_names::SYSTEM_CALL_NAMES[(regs.orig_rax) as usize]; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `syscall_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | / ptrace( [INFO] [stdout] 89 | | Request::PTRACE_SYSCALL, [INFO] [stdout] 90 | | pid, [INFO] [stdout] 91 | | ptr::null_mut(), [INFO] [stdout] 92 | | ptr::null_mut(), [INFO] [stdout] 93 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | waitpid(pid, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.62s [INFO] running `Command { std: "docker" "inspect" "3a38e2b70206a1e2e051a4e10aa7b0d850931aad386c314346c2c7bc76d0b5e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a38e2b70206a1e2e051a4e10aa7b0d850931aad386c314346c2c7bc76d0b5e1", kill_on_drop: false }` [INFO] [stdout] 3a38e2b70206a1e2e051a4e10aa7b0d850931aad386c314346c2c7bc76d0b5e1 [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] b06e0c04d8f106573d116c4e9becd50e3510b84a05a1760968fe7306192c2687 [INFO] running `Command { std: "docker" "start" "-a" "b06e0c04d8f106573d116c4e9becd50e3510b84a05a1760968fe7306192c2687", kill_on_drop: false }` [INFO] [stderr] Compiling strace v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:13:33 [INFO] [stdout] | [INFO] [stdout] 13 | fn traceme() -> std::io::Result<(())> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 13 - fn traceme() -> std::io::Result<(())> { [INFO] [stdout] 13 + fn traceme() -> std::io::Result<()> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | / /// Whether we are exiting (rather than entering) a syscall. [INFO] [stdout] 63 | | /// ptrace is stopped both times when exiting and entering a syscall, we only [INFO] [stdout] 64 | | /// need to stop once. [INFO] [stdout] | |____________________________^ [INFO] [stdout] 65 | let mut exit = true; [INFO] [stdout] | -------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | / /// syscall number is stored inside orig_rax register. Transalte from number [INFO] [stdout] 78 | | /// to syscall name using an array that stores all syscalls. [INFO] [stdout] | |__________________________________________________________________________^ [INFO] [stdout] 79 | let mut syscallName = system_call_names::SYSTEM_CALL_NAMES[(regs.orig_rax) as usize]; [INFO] [stdout] | ------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:23:47 [INFO] [stdout] | [INFO] [stdout] 23 | let mut regs: user_regs_struct = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `nix::sys::ptrace::ptrace`: usages of `ptrace()` should be replaced with the specialized helper functions instead [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | ptrace( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead [INFO] [stdout] --> src/main.rs:47:22 [INFO] [stdout] | [INFO] [stdout] 47 | let output = cmd.before_exec(traceme); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output` [INFO] [stdout] --> src/main.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let output = cmd.before_exec(traceme); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [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/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut child = cmd.spawn().expect("child process failed"); [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/main.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | let mut syscallName = system_call_names::SYSTEM_CALL_NAMES[(regs.orig_rax) as usize]; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | waitpid(pid, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `syscallName` should have a snake case name [INFO] [stdout] --> src/main.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | let mut syscallName = system_call_names::SYSTEM_CALL_NAMES[(regs.orig_rax) as usize]; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `syscall_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | / ptrace( [INFO] [stdout] 89 | | Request::PTRACE_SYSCALL, [INFO] [stdout] 90 | | pid, [INFO] [stdout] 91 | | ptr::null_mut(), [INFO] [stdout] 92 | | ptr::null_mut(), [INFO] [stdout] 93 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | waitpid(pid, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "b06e0c04d8f106573d116c4e9becd50e3510b84a05a1760968fe7306192c2687", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b06e0c04d8f106573d116c4e9becd50e3510b84a05a1760968fe7306192c2687", kill_on_drop: false }` [INFO] [stdout] b06e0c04d8f106573d116c4e9becd50e3510b84a05a1760968fe7306192c2687 [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 5e723ba48bfaee907c6c44a26bfc74e52bbd44c4bbde64d47e889443c4adce3c [INFO] running `Command { std: "docker" "start" "-a" "5e723ba48bfaee907c6c44a26bfc74e52bbd44c4bbde64d47e889443c4adce3c", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stdout] [INFO] [stderr] --> src/main.rs:13:33 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 13 | fn traceme() -> std::io::Result<(())> { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^ ^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 13 - fn traceme() -> std::io::Result<(())> { [INFO] [stderr] 13 + fn traceme() -> std::io::Result<()> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | / /// Whether we are exiting (rather than entering) a syscall. [INFO] [stderr] 63 | | /// ptrace is stopped both times when exiting and entering a syscall, we only [INFO] [stderr] 64 | | /// need to stop once. [INFO] [stderr] | |____________________________^ [INFO] [stderr] 65 | let mut exit = true; [INFO] [stderr] | -------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | / /// syscall number is stored inside orig_rax register. Transalte from number [INFO] [stderr] 78 | | /// to syscall name using an array that stores all syscalls. [INFO] [stderr] | |__________________________________________________________________________^ [INFO] [stderr] 79 | let mut syscallName = system_call_names::SYSTEM_CALL_NAMES[(regs.orig_rax) as usize]; [INFO] [stderr] | ------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/main.rs:23:47 [INFO] [stderr] | [INFO] [stderr] 23 | let mut regs: user_regs_struct = mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `nix::sys::ptrace::ptrace`: usages of `ptrace()` should be replaced with the specialized helper functions instead [INFO] [stderr] --> src/main.rs:88:13 [INFO] [stderr] | [INFO] [stderr] 88 | ptrace( [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead [INFO] [stderr] --> src/main.rs:47:22 [INFO] [stderr] | [INFO] [stderr] 47 | let output = cmd.before_exec(traceme); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `output` [INFO] [stderr] --> src/main.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let output = cmd.before_exec(traceme); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [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/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut child = cmd.spawn().expect("child process failed"); [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/main.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | let mut syscallName = system_call_names::SYSTEM_CALL_NAMES[(regs.orig_rax) as usize]; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | waitpid(pid, None); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `syscallName` should have a snake case name [INFO] [stderr] --> src/main.rs:79:21 [INFO] [stderr] | [INFO] [stderr] 79 | let mut syscallName = system_call_names::SYSTEM_CALL_NAMES[(regs.orig_rax) as usize]; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `syscall_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:88:13 [INFO] [stderr] | [INFO] [stderr] 88 | / ptrace( [INFO] [stderr] 89 | | Request::PTRACE_SYSCALL, [INFO] [stderr] 90 | | pid, [INFO] [stderr] 91 | | ptr::null_mut(), [INFO] [stderr] 92 | | ptr::null_mut(), [INFO] [stderr] 93 | | ); [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | waitpid(pid, None); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `strace` (bin "strace" test) generated 13 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/strace-64cc9f7a6487b98f) [INFO] running `Command { std: "docker" "inspect" "5e723ba48bfaee907c6c44a26bfc74e52bbd44c4bbde64d47e889443c4adce3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e723ba48bfaee907c6c44a26bfc74e52bbd44c4bbde64d47e889443c4adce3c", kill_on_drop: false }` [INFO] [stdout] 5e723ba48bfaee907c6c44a26bfc74e52bbd44c4bbde64d47e889443c4adce3c