[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-1.37-6/sources/1.36.0/gh/gs0510/rustrace"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gs0510/rustrace'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/gs0510/rustrace" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gs0510/rustrace"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gs0510/rustrace on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing gs0510/rustrace against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 16f617f22a0b5ea24af61962aef315014f1f82a595fbbebb981c3334dc4f30d6 [INFO] running `"docker" "start" "-a" "16f617f22a0b5ea24af61962aef315014f1f82a595fbbebb981c3334dc4f30d6"` [INFO] [stderr] Compiling nix v0.13.0 [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 9.69s [INFO] running `"docker" "inspect" "16f617f22a0b5ea24af61962aef315014f1f82a595fbbebb981c3334dc4f30d6"` [INFO] running `"docker" "rm" "-f" "16f617f22a0b5ea24af61962aef315014f1f82a595fbbebb981c3334dc4f30d6"` [INFO] [stdout] 16f617f22a0b5ea24af61962aef315014f1f82a595fbbebb981c3334dc4f30d6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] a788a2aad3256fc3984e5c9912cb03a401f9f9aae73b598234e5e14a27287573 [INFO] running `"docker" "start" "-a" "a788a2aad3256fc3984e5c9912cb03a401f9f9aae73b598234e5e14a27287573"` [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 0.64s [INFO] running `"docker" "inspect" "a788a2aad3256fc3984e5c9912cb03a401f9f9aae73b598234e5e14a27287573"` [INFO] running `"docker" "rm" "-f" "a788a2aad3256fc3984e5c9912cb03a401f9f9aae73b598234e5e14a27287573"` [INFO] [stdout] a788a2aad3256fc3984e5c9912cb03a401f9f9aae73b598234e5e14a27287573 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] 245181e7c903c83e92e6cac077399c49c1ce5151c45b6c53bf7d9104e6b05e30 [INFO] running `"docker" "start" "-a" "245181e7c903c83e92e6cac077399c49c1ce5151c45b6c53bf7d9104e6b05e30"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/strace-cf223eb9b561ac26 [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" "245181e7c903c83e92e6cac077399c49c1ce5151c45b6c53bf7d9104e6b05e30"` [INFO] running `"docker" "rm" "-f" "245181e7c903c83e92e6cac077399c49c1ce5151c45b6c53bf7d9104e6b05e30"` [INFO] [stdout] 245181e7c903c83e92e6cac077399c49c1ce5151c45b6c53bf7d9104e6b05e30