[INFO] cloning repository https://github.com/Mik-Grzeg/rooster [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mik-Grzeg/rooster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMik-Grzeg%2Frooster", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMik-Grzeg%2Frooster'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 41084e035531a7fe7ba2e9dcc38fca10eb308ace [INFO] testing Mik-Grzeg/rooster against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMik-Grzeg%2Frooster" "/workspace/builds/worker-36/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mik-Grzeg/rooster on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Mik-Grzeg/rooster [INFO] finished tweaking git repo https://github.com/Mik-Grzeg/rooster [INFO] tweaked toml for git repo https://github.com/Mik-Grzeg/rooster written to /workspace/builds/worker-36/source/Cargo.toml [INFO] crate git repo https://github.com/Mik-Grzeg/rooster already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38580e20e26b5a7c1b780696339efddaf17dc5c2ca37e6d6fb0b1bb57afc961b [INFO] running `Command { std: "docker" "start" "-a" "38580e20e26b5a7c1b780696339efddaf17dc5c2ca37e6d6fb0b1bb57afc961b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38580e20e26b5a7c1b780696339efddaf17dc5c2ca37e6d6fb0b1bb57afc961b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38580e20e26b5a7c1b780696339efddaf17dc5c2ca37e6d6fb0b1bb57afc961b", kill_on_drop: false }` [INFO] [stdout] 38580e20e26b5a7c1b780696339efddaf17dc5c2ca37e6d6fb0b1bb57afc961b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 878ee5118062df9ea1ee963a266a8300e5c99b747e9baad7e600cd77d521c773 [INFO] running `Command { std: "docker" "start" "-a" "878ee5118062df9ea1ee963a266a8300e5c99b747e9baad7e600cd77d521c773", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling nix v0.23.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rooster v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Arg` [INFO] [stdout] --> src/main.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CloneFlags`, `clone`, `setns` [INFO] [stdout] --> src/main.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::sched::{clone, CloneFlags, setns}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::signal::Signal` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::sys::signal::Signal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `WaitStatus`, `waitpid` [INFO] [stdout] --> src/main.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::sys::wait::{waitpid, WaitStatus}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::unistd::sethostname` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::unistd::sethostname; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Command`, `ExitStatus` [INFO] [stdout] --> src/main.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use std::process::{Command, ExitStatus}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `App`, `Arg`, `SubCommand` [INFO] [stdout] --> src/core/runner.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^ ^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `setns` [INFO] [stdout] --> src/core/runner.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::sched::{setns, clone, CloneFlags}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::unistd::sethostname` [INFO] [stdout] --> src/core/runner.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::unistd::sethostname; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Command`, `ExitStatus` [INFO] [stdout] --> src/core/runner.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use std::process::{Command, ExitStatus}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chroot` [INFO] [stdout] --> src/core/child.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::unistd::{chroot, sethostname, getpid}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::mount` [INFO] [stdout] --> src/core/child.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::mount; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/core/child.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::Error` [INFO] [stdout] --> src/core/filesystem.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::Error; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/main.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | ("run", Some(m)) => {core::runner::run();}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/main.rs:19:24 [INFO] [stdout] | [INFO] [stdout] 19 | ("child", Some(m)) => println!("Client"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Result` [INFO] [stdout] --> src/core/ipc.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `IpcParent` [INFO] [stdout] --> src/core/ipc.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct IpcParent { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/core/ipc.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(path: &String) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `wait` [INFO] [stdout] --> src/core/ipc.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn wait(&self) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close` [INFO] [stdout] --> src/core/ipc.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn close(&self) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `IpcChild` [INFO] [stdout] --> src/core/ipc.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub struct IpcChild { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/core/ipc.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn new(path: &String) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `notify` [INFO] [stdout] --> src/core/ipc.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn notify(&self, msg: &String) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close` [INFO] [stdout] --> src/core/ipc.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn close(&self) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:18:30 [INFO] [stdout] | [INFO] [stdout] 18 | ("run", Some(m)) => {core::runner::run();}, [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/child.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | sethostname("CONTAINER"); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/child.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | filesystem::mount_rootfs(DIR); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/child.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | filesystem::set_root_fs(DIR); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / mount::mount( [INFO] [stdout] 20 | | None::<&str>, [INFO] [stdout] 21 | | "/", [INFO] [stdout] 22 | | None::<&str>, [INFO] [stdout] 23 | | mount::MsFlags::MS_PRIVATE | mount::MsFlags::MS_REC, [INFO] [stdout] 24 | | None::<&str>, [INFO] [stdout] 25 | | ); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | / mount::mount( [INFO] [stdout] 28 | | Some(rootfs), [INFO] [stdout] 29 | | rootfs, [INFO] [stdout] 30 | | None::<&str>, [INFO] [stdout] 31 | | mount::MsFlags::MS_BIND | mount::MsFlags::MS_REC, [INFO] [stdout] 32 | | None::<&str>, [INFO] [stdout] 33 | | ); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | / unistd::mkdir( [INFO] [stdout] 51 | | &p_old_root_fs, [INFO] [stdout] 52 | | stat::Mode::S_IRWXU | stat::Mode::S_IRWXG | stat::Mode::S_IRWXO [INFO] [stdout] 53 | | ); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | mount::umount2(OLD_ROOT_PATH, mount::MntFlags::MNT_DETACH); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | fs::remove_dir_all(&p_old_root_fs); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | unistd::chdir(ROOT_PATH); [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: 35 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.03s [INFO] running `Command { std: "docker" "inspect" "878ee5118062df9ea1ee963a266a8300e5c99b747e9baad7e600cd77d521c773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "878ee5118062df9ea1ee963a266a8300e5c99b747e9baad7e600cd77d521c773", kill_on_drop: false }` [INFO] [stdout] 878ee5118062df9ea1ee963a266a8300e5c99b747e9baad7e600cd77d521c773 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a295f39d42b2df99b0f41b36ca4275cffcbd2c55998c07ea32b574c877778fe [INFO] running `Command { std: "docker" "start" "-a" "7a295f39d42b2df99b0f41b36ca4275cffcbd2c55998c07ea32b574c877778fe", kill_on_drop: false }` [INFO] [stderr] Compiling rooster v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Arg` [INFO] [stdout] --> src/main.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CloneFlags`, `clone`, `setns` [INFO] [stdout] --> src/main.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::sched::{clone, CloneFlags, setns}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::signal::Signal` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::sys::signal::Signal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `WaitStatus`, `waitpid` [INFO] [stdout] --> src/main.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::sys::wait::{waitpid, WaitStatus}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::unistd::sethostname` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::unistd::sethostname; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Command`, `ExitStatus` [INFO] [stdout] --> src/main.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use std::process::{Command, ExitStatus}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `App`, `Arg`, `SubCommand` [INFO] [stdout] --> src/core/runner.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^ ^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `setns` [INFO] [stdout] --> src/core/runner.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::sched::{setns, clone, CloneFlags}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::unistd::sethostname` [INFO] [stdout] --> src/core/runner.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::unistd::sethostname; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Command`, `ExitStatus` [INFO] [stdout] --> src/core/runner.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use std::process::{Command, ExitStatus}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chroot` [INFO] [stdout] --> src/core/child.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::unistd::{chroot, sethostname, getpid}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::mount` [INFO] [stdout] --> src/core/child.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::mount; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/core/child.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::Error` [INFO] [stdout] --> src/core/filesystem.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::Error; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/main.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | ("run", Some(m)) => {core::runner::run();}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/main.rs:19:24 [INFO] [stdout] | [INFO] [stdout] 19 | ("child", Some(m)) => println!("Client"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Result` [INFO] [stdout] --> src/core/ipc.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `IpcParent` [INFO] [stdout] --> src/core/ipc.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct IpcParent { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/core/ipc.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(path: &String) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `wait` [INFO] [stdout] --> src/core/ipc.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn wait(&self) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close` [INFO] [stdout] --> src/core/ipc.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn close(&self) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `IpcChild` [INFO] [stdout] --> src/core/ipc.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub struct IpcChild { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/core/ipc.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn new(path: &String) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `notify` [INFO] [stdout] --> src/core/ipc.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn notify(&self, msg: &String) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close` [INFO] [stdout] --> src/core/ipc.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn close(&self) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:18:30 [INFO] [stdout] | [INFO] [stdout] 18 | ("run", Some(m)) => {core::runner::run();}, [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/child.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | sethostname("CONTAINER"); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/child.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | filesystem::mount_rootfs(DIR); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/child.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | filesystem::set_root_fs(DIR); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / mount::mount( [INFO] [stdout] 20 | | None::<&str>, [INFO] [stdout] 21 | | "/", [INFO] [stdout] 22 | | None::<&str>, [INFO] [stdout] 23 | | mount::MsFlags::MS_PRIVATE | mount::MsFlags::MS_REC, [INFO] [stdout] 24 | | None::<&str>, [INFO] [stdout] 25 | | ); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | / mount::mount( [INFO] [stdout] 28 | | Some(rootfs), [INFO] [stdout] 29 | | rootfs, [INFO] [stdout] 30 | | None::<&str>, [INFO] [stdout] 31 | | mount::MsFlags::MS_BIND | mount::MsFlags::MS_REC, [INFO] [stdout] 32 | | None::<&str>, [INFO] [stdout] 33 | | ); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | / unistd::mkdir( [INFO] [stdout] 51 | | &p_old_root_fs, [INFO] [stdout] 52 | | stat::Mode::S_IRWXU | stat::Mode::S_IRWXG | stat::Mode::S_IRWXO [INFO] [stdout] 53 | | ); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | mount::umount2(OLD_ROOT_PATH, mount::MntFlags::MNT_DETACH); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | fs::remove_dir_all(&p_old_root_fs); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/core/filesystem.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | unistd::chdir(ROOT_PATH); [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: 35 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "7a295f39d42b2df99b0f41b36ca4275cffcbd2c55998c07ea32b574c877778fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a295f39d42b2df99b0f41b36ca4275cffcbd2c55998c07ea32b574c877778fe", kill_on_drop: false }` [INFO] [stdout] 7a295f39d42b2df99b0f41b36ca4275cffcbd2c55998c07ea32b574c877778fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0e38917a5f723e1c8d129d23fe26a6ebd706bfc251be4f3655716d3db9f1614e [INFO] running `Command { std: "docker" "start" "-a" "0e38917a5f723e1c8d129d23fe26a6ebd706bfc251be4f3655716d3db9f1614e", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Arg` [INFO] [stderr] --> src/main.rs:1:17 [INFO] [stderr] | [INFO] [stderr] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `CloneFlags`, `clone`, `setns` [INFO] [stderr] --> src/main.rs:2:18 [INFO] [stderr] | [INFO] [stderr] 2 | use nix::sched::{clone, CloneFlags, setns}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nix::sys::signal::Signal` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use nix::sys::signal::Signal; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `WaitStatus`, `waitpid` [INFO] [stderr] --> src/main.rs:4:22 [INFO] [stderr] | [INFO] [stderr] 4 | use nix::sys::wait::{waitpid, WaitStatus}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nix::unistd::sethostname` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use nix::unistd::sethostname; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Command`, `ExitStatus` [INFO] [stderr] --> src/main.rs:6:20 [INFO] [stderr] | [INFO] [stderr] 6 | use std::process::{Command, ExitStatus}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand` [INFO] [stderr] --> src/core/runner.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stderr] | ^^^ ^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `setns` [INFO] [stderr] --> src/core/runner.rs:2:18 [INFO] [stderr] | [INFO] [stderr] 2 | use nix::sched::{setns, clone, CloneFlags}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nix::unistd::sethostname` [INFO] [stderr] --> src/core/runner.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use nix::unistd::sethostname; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Command`, `ExitStatus` [INFO] [stderr] --> src/core/runner.rs:6:20 [INFO] [stderr] | [INFO] [stderr] 6 | use std::process::{Command, ExitStatus}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `chroot` [INFO] [stderr] --> src/core/child.rs:2:19 [INFO] [stderr] | [INFO] [stderr] 2 | use nix::unistd::{chroot, sethostname, getpid}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nix::mount` [INFO] [stderr] --> src/core/child.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use nix::mount; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/core/child.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nix::Error` [INFO] [stderr] --> src/core/filesystem.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use nix::Error; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:18:22 [INFO] [stderr] | [INFO] [stderr] 18 | ("run", Some(m)) => {core::runner::run();}, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:19:24 [INFO] [stderr] | [INFO] [stderr] 19 | ("child", Some(m)) => println!("Client"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Result` [INFO] [stderr] --> src/core/ipc.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `IpcParent` [INFO] [stderr] --> src/core/ipc.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct IpcParent { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/core/ipc.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn new(path: &String) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `wait` [INFO] [stderr] --> src/core/ipc.rs:32:12 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn wait(&self) -> Result { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `close` [INFO] [stderr] --> src/core/ipc.rs:41:12 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn close(&self) -> Result<()> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `IpcChild` [INFO] [stderr] --> src/core/ipc.rs:49:12 [INFO] [stderr] | [INFO] [stderr] 49 | pub struct IpcChild { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/core/ipc.rs:54:12 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn new(path: &String) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `notify` [INFO] [stderr] --> src/core/ipc.rs:70:12 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn notify(&self, msg: &String) -> Result<()> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: associated function is never used: `close` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/core/ipc.rs:75:12 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 75 | pub fn close(&self) -> Result<()> { [INFO] [stdout] [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:18:30 [INFO] [stderr] | [INFO] [stderr] 18 | ("run", Some(m)) => {core::runner::run();}, [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/core/child.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | sethostname("CONTAINER"); [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/core/child.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | filesystem::mount_rootfs(DIR); [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/core/child.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | filesystem::set_root_fs(DIR); [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/core/filesystem.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | / mount::mount( [INFO] [stderr] 20 | | None::<&str>, [INFO] [stderr] 21 | | "/", [INFO] [stderr] 22 | | None::<&str>, [INFO] [stderr] 23 | | mount::MsFlags::MS_PRIVATE | mount::MsFlags::MS_REC, [INFO] [stderr] 24 | | None::<&str>, [INFO] [stderr] 25 | | ); [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/core/filesystem.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | / mount::mount( [INFO] [stderr] 28 | | Some(rootfs), [INFO] [stderr] 29 | | rootfs, [INFO] [stderr] 30 | | None::<&str>, [INFO] [stderr] 31 | | mount::MsFlags::MS_BIND | mount::MsFlags::MS_REC, [INFO] [stderr] 32 | | None::<&str>, [INFO] [stderr] 33 | | ); [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/core/filesystem.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | / unistd::mkdir( [INFO] [stderr] 51 | | &p_old_root_fs, [INFO] [stderr] 52 | | stat::Mode::S_IRWXU | stat::Mode::S_IRWXG | stat::Mode::S_IRWXO [INFO] [stderr] 53 | | ); [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/core/filesystem.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | mount::umount2(OLD_ROOT_PATH, mount::MntFlags::MNT_DETACH); [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/core/filesystem.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | fs::remove_dir_all(&p_old_root_fs); [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/core/filesystem.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | unistd::chdir(ROOT_PATH); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `rooster` (bin "rooster" test) generated 35 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rooster-67dd75018bfd5cdf) [INFO] running `Command { std: "docker" "inspect" "0e38917a5f723e1c8d129d23fe26a6ebd706bfc251be4f3655716d3db9f1614e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e38917a5f723e1c8d129d23fe26a6ebd706bfc251be4f3655716d3db9f1614e", kill_on_drop: false }` [INFO] [stdout] 0e38917a5f723e1c8d129d23fe26a6ebd706bfc251be4f3655716d3db9f1614e