[INFO] updating cached repository gs0510/rustrace [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/gs0510/rustrace [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/gs0510/rustrace" "work/ex/beta-1.38-1/sources/1.37.0/gh/gs0510/rustrace"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gs0510/rustrace'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/gs0510/rustrace" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/rustrace"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/rustrace'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 60fe42dccf7c3a32a8d041499e2f8cd5b4cae27b [INFO] sha for GitHub repo gs0510/rustrace: 60fe42dccf7c3a32a8d041499e2f8cd5b4cae27b [INFO] validating manifest of gs0510/rustrace on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gs0510/rustrace on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gs0510/rustrace [INFO] finished frobbing gs0510/rustrace [INFO] frobbed toml for gs0510/rustrace written to work/ex/beta-1.38-1/sources/1.37.0/gh/gs0510/rustrace/Cargo.toml [INFO] started frobbing gs0510/rustrace [INFO] finished frobbing gs0510/rustrace [INFO] frobbed toml for gs0510/rustrace written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/rustrace/Cargo.toml [INFO] crate gs0510/rustrace already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing gs0510/rustrace against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/rustrace:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 0cf5517d853057241187dd4c40f1b4637b47f9081a064a0fb7d61f0400d3f9b5 [INFO] running `"docker" "start" "-a" "0cf5517d853057241187dd4c40f1b4637b47f9081a064a0fb7d61f0400d3f9b5"` [INFO] [stderr] Compiling strace v0.1.0 (/opt/crater/workdir) [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] [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] warning: use of deprecated item 'nix::sys::ptrace::linux::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] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item '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: consider prefixing 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 `std::result::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 `std::result::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 `std::result::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] Finished dev [unoptimized + debuginfo] target(s) in 1.75s [INFO] running `"docker" "inspect" "0cf5517d853057241187dd4c40f1b4637b47f9081a064a0fb7d61f0400d3f9b5"` [INFO] running `"docker" "rm" "-f" "0cf5517d853057241187dd4c40f1b4637b47f9081a064a0fb7d61f0400d3f9b5"` [INFO] [stdout] 0cf5517d853057241187dd4c40f1b4637b47f9081a064a0fb7d61f0400d3f9b5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/rustrace:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 67f1b69f110b7df061ceb5108c6664775d941759888997a9d969360d2622a57e [INFO] running `"docker" "start" "-a" "67f1b69f110b7df061ceb5108c6664775d941759888997a9d969360d2622a57e"` [INFO] [stderr] Compiling strace v0.1.0 (/opt/crater/workdir) [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] [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] warning: use of deprecated item 'nix::sys::ptrace::linux::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] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item '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: consider prefixing 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 `std::result::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 `std::result::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 `std::result::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] Finished dev [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `"docker" "inspect" "67f1b69f110b7df061ceb5108c6664775d941759888997a9d969360d2622a57e"` [INFO] running `"docker" "rm" "-f" "67f1b69f110b7df061ceb5108c6664775d941759888997a9d969360d2622a57e"` [INFO] [stdout] 67f1b69f110b7df061ceb5108c6664775d941759888997a9d969360d2622a57e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/rustrace:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 68516aff52392ef77669ee94cd6f55f6db1fb488f4c228fd02c36e49b215b5d0 [INFO] running `"docker" "start" "-a" "68516aff52392ef77669ee94cd6f55f6db1fb488f4c228fd02c36e49b215b5d0"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/strace-3772ef5720379296 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "68516aff52392ef77669ee94cd6f55f6db1fb488f4c228fd02c36e49b215b5d0"` [INFO] running `"docker" "rm" "-f" "68516aff52392ef77669ee94cd6f55f6db1fb488f4c228fd02c36e49b215b5d0"` [INFO] [stdout] 68516aff52392ef77669ee94cd6f55f6db1fb488f4c228fd02c36e49b215b5d0