[INFO] cloning repository https://github.com/ckane/linscmon [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckane/linscmon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckane%2Flinscmon", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckane%2Flinscmon'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 859ff6b97f97ac6e21e28f9a0c802ea15d998d90 [INFO] checking ckane/linscmon against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckane%2Flinscmon" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ckane/linscmon on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ckane/linscmon [INFO] finished tweaking git repo https://github.com/ckane/linscmon [INFO] tweaked toml for git repo https://github.com/ckane/linscmon written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ckane/linscmon already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16fd817973727551b2fc9030d1484db78801b762ef776ccdcef0b1fb121fad46 [INFO] running `Command { std: "docker" "start" "-a" "16fd817973727551b2fc9030d1484db78801b762ef776ccdcef0b1fb121fad46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16fd817973727551b2fc9030d1484db78801b762ef776ccdcef0b1fb121fad46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16fd817973727551b2fc9030d1484db78801b762ef776ccdcef0b1fb121fad46", kill_on_drop: false }` [INFO] [stdout] 16fd817973727551b2fc9030d1484db78801b762ef776ccdcef0b1fb121fad46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4e40576000bae561363cb3802ad03650db0ecde67c67711a98c40bfba2c30e2 [INFO] running `Command { std: "docker" "start" "-a" "b4e40576000bae561363cb3802ad03650db0ecde67c67711a98c40bfba2c30e2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling syscalls v0.3.5 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking errno v0.2.7 [INFO] [stderr] Checking nix v0.22.1 [INFO] [stderr] Checking fork v0.1.18 [INFO] [stderr] Checking exec v0.3.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking linscmon v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `chrono::prelude::*` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use chrono::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::ptrace` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::sys::ptrace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Pid` [INFO] [stdout] --> src/lib.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::unistd::{Pid}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `WaitPidFlag`, `WaitStatus`, `waitpid` [INFO] [stdout] --> src/lib.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::sys::wait::{waitpid, WaitStatus, WaitPidFlag}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Fork`, `fork` [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use fork::{fork, Fork}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `exec::Command` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use exec::Command; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/lib.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::{Arc,Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libc::user_regs_struct` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use libc::user_regs_struct; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `syscalls::SyscallNo` [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use syscalls::SyscallNo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chrono::prelude::*` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use chrono::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::ptrace` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::sys::ptrace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Pid` [INFO] [stdout] --> src/lib.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::unistd::{Pid}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `WaitPidFlag`, `WaitStatus`, `waitpid` [INFO] [stdout] --> src/lib.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::sys::wait::{waitpid, WaitStatus, WaitPidFlag}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Fork`, `fork` [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use fork::{fork, Fork}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `exec::Command` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use exec::Command; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/lib.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::{Arc,Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libc::user_regs_struct` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use libc::user_regs_struct; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `syscalls::SyscallNo` [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use syscalls::SyscallNo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:92:28 [INFO] [stdout] | [INFO] [stdout] 92 | if let Err(e) = ptrace::syscall(epid, s) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:98:28 [INFO] [stdout] | [INFO] [stdout] 98 | if let Err(e) = ptrace::syscall(epid, s) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:108:36 [INFO] [stdout] | [INFO] [stdout] 108 | if let Err(e) = ptrace::syscall(Pid::from_raw(cpid as i32), None) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:112:32 [INFO] [stdout] | [INFO] [stdout] 112 | if let Err(e) = ptrace::syscall(epid, None) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:116:32 [INFO] [stdout] | [INFO] [stdout] 116 | if let Err(e) = ptrace::syscall(epid, None) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `epid` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:151:38 [INFO] [stdout] | [INFO] [stdout] 151 | Ok(WaitStatus::Continued(epid)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_epid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stopped_pid` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:238:25 [INFO] [stdout] | [INFO] [stdout] 238 | let mut stopped_pid = self.pid; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stopped_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:244:27 [INFO] [stdout] | [INFO] [stdout] 244 | if let Ok(r) = ptrace::syscall(self.pid, None) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ws` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:246:29 [INFO] [stdout] | [INFO] [stdout] 246 | let ws = self.wait_finish(&tx).expect("Error in waitpid()"); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ws` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:92:28 [INFO] [stdout] | [INFO] [stdout] 92 | if let Err(e) = ptrace::syscall(epid, s) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:98:28 [INFO] [stdout] | [INFO] [stdout] 98 | if let Err(e) = ptrace::syscall(epid, s) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:108:36 [INFO] [stdout] | [INFO] [stdout] 108 | if let Err(e) = ptrace::syscall(Pid::from_raw(cpid as i32), None) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:112:32 [INFO] [stdout] | [INFO] [stdout] 112 | if let Err(e) = ptrace::syscall(epid, None) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:116:32 [INFO] [stdout] | [INFO] [stdout] 116 | if let Err(e) = ptrace::syscall(epid, None) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `epid` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:151:38 [INFO] [stdout] | [INFO] [stdout] 151 | Ok(WaitStatus::Continued(epid)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_epid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stopped_pid` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:238:25 [INFO] [stdout] | [INFO] [stdout] 238 | let mut stopped_pid = self.pid; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stopped_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:244:27 [INFO] [stdout] | [INFO] [stdout] 244 | if let Ok(r) = ptrace::syscall(self.pid, None) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ws` [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:246:29 [INFO] [stdout] | [INFO] [stdout] 246 | let ws = self.wait_finish(&tx).expect("Error in waitpid()"); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ws` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:180:36 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn read_long_arg(pid: Pid, mut addr: u64) -> Result { [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/trace_event/wrap_cmd.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | let mut stopped_pid = self.pid; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ts` [INFO] [stdout] --> src/trace_event.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | ts: DateTime, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:180:36 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn read_long_arg(pid: Pid, mut addr: u64) -> Result { [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: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | ptrace::detach(epid, 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 does not need to be mutable [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | let mut stopped_pid = self.pid; [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/trace_event/wrap_cmd.rs:85:17 [INFO] [stdout] | [INFO] [stdout] 85 | waitpid(epid, 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: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:107:25 [INFO] [stdout] | [INFO] [stdout] 107 | waitpid(Pid::from_raw(cpid as i32), 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: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:121:21 [INFO] [stdout] | [INFO] [stdout] 121 | ptrace::cont(epid, 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: field is never read: `ts` [INFO] [stdout] --> src/trace_event.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | ts: DateTime, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | ptrace::syscall(epid, 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: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:212:17 [INFO] [stdout] | [INFO] [stdout] 212 | waitpid(self.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: 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | ptrace::detach(epid, 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: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:85:17 [INFO] [stdout] | [INFO] [stdout] 85 | waitpid(epid, 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: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:107:25 [INFO] [stdout] | [INFO] [stdout] 107 | waitpid(Pid::from_raw(cpid as i32), 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: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:121:21 [INFO] [stdout] | [INFO] [stdout] 121 | ptrace::cont(epid, 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: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | ptrace::syscall(epid, 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: unused `Result` that must be used [INFO] [stdout] --> src/trace_event/wrap_cmd.rs:212:17 [INFO] [stdout] | [INFO] [stdout] 212 | waitpid(self.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: 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.69s [INFO] running `Command { std: "docker" "inspect" "b4e40576000bae561363cb3802ad03650db0ecde67c67711a98c40bfba2c30e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4e40576000bae561363cb3802ad03650db0ecde67c67711a98c40bfba2c30e2", kill_on_drop: false }` [INFO] [stdout] b4e40576000bae561363cb3802ad03650db0ecde67c67711a98c40bfba2c30e2