[INFO] cloning repository https://github.com/taraka/rusty-containers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taraka/rusty-containers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaraka%2Frusty-containers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaraka%2Frusty-containers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c467b5ac39b6a8cc8512b994dc942610aafc7e07 [INFO] checking taraka/rusty-containers against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaraka%2Frusty-containers" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/taraka/rusty-containers [INFO] finished tweaking git repo https://github.com/taraka/rusty-containers [INFO] tweaked toml for git repo https://github.com/taraka/rusty-containers written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/taraka/rusty-containers on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/taraka/rusty-containers already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking taraka/rusty-containers against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaraka%2Frusty-containers" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/taraka/rusty-containers [INFO] finished tweaking git repo https://github.com/taraka/rusty-containers [INFO] tweaked toml for git repo https://github.com/taraka/rusty-containers written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/taraka/rusty-containers on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/taraka/rusty-containers already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arraymap v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 232be4fe49733e768e93e4b5c3d69c8864325bd3fe4da63809b1d32501774eed [INFO] running `Command { std: "docker" "start" "-a" "232be4fe49733e768e93e4b5c3d69c8864325bd3fe4da63809b1d32501774eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "232be4fe49733e768e93e4b5c3d69c8864325bd3fe4da63809b1d32501774eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "232be4fe49733e768e93e4b5c3d69c8864325bd3fe4da63809b1d32501774eed", kill_on_drop: false }` [INFO] [stdout] 232be4fe49733e768e93e4b5c3d69c8864325bd3fe4da63809b1d32501774eed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e7de56dcaf612b98f3ebd1ea3eadd31f5efcf84135537825f0a68e8a987300f [INFO] running `Command { std: "docker" "start" "-a" "6e7de56dcaf612b98f3ebd1ea3eadd31f5efcf84135537825f0a68e8a987300f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking arraymap v0.1.1 [INFO] [stderr] Checking rusty-containers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `gethostname` [INFO] [stdout] --> src/main.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use nix::unistd::{execv, gethostname, sethostname, getpid, getppid, chroot, mkdir, chdir, Pid}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `gethostname` [INFO] [stdout] --> src/main.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use nix::unistd::{execv, gethostname, sethostname, getpid, getppid, chroot, mkdir, chdir, Pid}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::from_utf8` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::str::from_utf8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::from_utf8` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::str::from_utf8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `WaitPidFlag` [INFO] [stdout] --> src/main.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | use nix::sys::wait::{waitpid, WaitPidFlag, WaitStatus}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `WaitPidFlag` [INFO] [stdout] --> src/main.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | use nix::sys::wait::{waitpid, WaitPidFlag, WaitStatus}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:29:32 [INFO] [stdout] | [INFO] [stdout] 29 | WaitStatus::Exited(pid, i) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:29:37 [INFO] [stdout] | [INFO] [stdout] 29 | WaitStatus::Exited(pid, i) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:29:32 [INFO] [stdout] | [INFO] [stdout] 29 | WaitStatus::Exited(pid, i) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:34:34 [INFO] [stdout] | [INFO] [stdout] 34 | WaitStatus::Signaled(pid, sig, b) => println!("Signaled, {}", sig), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:29:37 [INFO] [stdout] | [INFO] [stdout] 29 | WaitStatus::Exited(pid, i) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:34:44 [INFO] [stdout] | [INFO] [stdout] 34 | WaitStatus::Signaled(pid, sig, b) => println!("Signaled, {}", sig), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:34:34 [INFO] [stdout] | [INFO] [stdout] 34 | WaitStatus::Signaled(pid, sig, b) => println!("Signaled, {}", sig), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | WaitStatus::Stopped(pid, sig) => println!("Stopped {}", sig), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:34:44 [INFO] [stdout] | [INFO] [stdout] 34 | WaitStatus::Signaled(pid, sig, b) => println!("Signaled, {}", sig), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:38:37 [INFO] [stdout] | [INFO] [stdout] 38 | WaitStatus::PtraceEvent(pid, sig, i) => println!("PtraceEvent"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | WaitStatus::Stopped(pid, sig) => println!("Stopped {}", sig), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig` [INFO] [stdout] --> src/main.rs:38:42 [INFO] [stdout] | [INFO] [stdout] 38 | WaitStatus::PtraceEvent(pid, sig, i) => println!("PtraceEvent"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:38:37 [INFO] [stdout] | [INFO] [stdout] 38 | WaitStatus::PtraceEvent(pid, sig, i) => println!("PtraceEvent"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:38:47 [INFO] [stdout] | [INFO] [stdout] 38 | WaitStatus::PtraceEvent(pid, sig, i) => println!("PtraceEvent"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig` [INFO] [stdout] --> src/main.rs:38:42 [INFO] [stdout] | [INFO] [stdout] 38 | WaitStatus::PtraceEvent(pid, sig, i) => println!("PtraceEvent"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:40:39 [INFO] [stdout] | [INFO] [stdout] 40 | WaitStatus::PtraceSyscall(pid) => println!("PtraceSyscall"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:42:35 [INFO] [stdout] | [INFO] [stdout] 42 | WaitStatus::Continued(pid)=> println!("Continue"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:38:47 [INFO] [stdout] | [INFO] [stdout] 38 | WaitStatus::PtraceEvent(pid, sig, i) => println!("PtraceEvent"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:40:39 [INFO] [stdout] | [INFO] [stdout] 40 | WaitStatus::PtraceSyscall(pid) => println!("PtraceSyscall"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pid` [INFO] [stdout] --> src/main.rs:42:35 [INFO] [stdout] | [INFO] [stdout] 42 | WaitStatus::Continued(pid)=> println!("Continue"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:94:1 [INFO] [stdout] | [INFO] [stdout] 93 | execv(program_cstring.as_c_str(), arg_charptrs.as_slice()).expect("Exec failed"); [INFO] [stdout] | -------------------------------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 94 | } [INFO] [stdout] | ^ unreachable expression [INFO] [stdout] | [INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited [INFO] [stdout] --> src/main.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | execv(program_cstring.as_c_str(), arg_charptrs.as_slice()).expect("Exec failed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:94:1 [INFO] [stdout] | [INFO] [stdout] 93 | execv(program_cstring.as_c_str(), arg_charptrs.as_slice()).expect("Exec failed"); [INFO] [stdout] | -------------------------------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 94 | } [INFO] [stdout] | ^ unreachable expression [INFO] [stdout] | [INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited [INFO] [stdout] --> src/main.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | execv(program_cstring.as_c_str(), arg_charptrs.as_slice()).expect("Exec failed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | mkdir::(&container_base[..], stat::Mode::S_IRWXU | stat::Mode::S_IRGRP | stat::Mode::S_IXGRP); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = mkdir::(&container_base[..], stat::Mode::S_IRWXU | stat::Mode::S_IRGRP | stat::Mode::S_IXGRP); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | chroot(&container_base[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 56 | let _ = chroot(&container_base[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | chdir("/"); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = chdir("/"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | mkdir::(&container_base[..], stat::Mode::S_IRWXU | stat::Mode::S_IRGRP | stat::Mode::S_IXGRP); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = mkdir::(&container_base[..], stat::Mode::S_IRWXU | stat::Mode::S_IRGRP | stat::Mode::S_IXGRP); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | chroot(&container_base[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 56 | let _ = chroot(&container_base[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | chdir("/"); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = chdir("/"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.20s [INFO] running `Command { std: "docker" "inspect" "6e7de56dcaf612b98f3ebd1ea3eadd31f5efcf84135537825f0a68e8a987300f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e7de56dcaf612b98f3ebd1ea3eadd31f5efcf84135537825f0a68e8a987300f", kill_on_drop: false }` [INFO] [stdout] 6e7de56dcaf612b98f3ebd1ea3eadd31f5efcf84135537825f0a68e8a987300f