[INFO] fetching crate libc_tools 0.1.3... [INFO] testing libc_tools-0.1.3 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate libc_tools 0.1.3 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate libc_tools 0.1.3 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libc_tools 0.1.3 [INFO] finished tweaking crates.io crate libc_tools 0.1.3 [INFO] tweaked toml for crates.io crate libc_tools 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51707f6e29370311e174c94994aec1ec34b55dafe5fe6c1f21d98c1ace3ae2f8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "51707f6e29370311e174c94994aec1ec34b55dafe5fe6c1f21d98c1ace3ae2f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51707f6e29370311e174c94994aec1ec34b55dafe5fe6c1f21d98c1ace3ae2f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51707f6e29370311e174c94994aec1ec34b55dafe5fe6c1f21d98c1ace3ae2f8", kill_on_drop: false }` [INFO] [stdout] 51707f6e29370311e174c94994aec1ec34b55dafe5fe6c1f21d98c1ace3ae2f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca2d4787c204ee404ed79ee7cc161d4cfe85f77059018414404f9982352a3b10 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ca2d4787c204ee404ed79ee7cc161d4cfe85f77059018414404f9982352a3b10", kill_on_drop: false }` [INFO] [stderr] Compiling libc_tools v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::Close` [INFO] [stdout] --> src/dup.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::Close; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `c_void`, `pipe`, `read` [INFO] [stdout] --> src/popen.rs:2:37 [INFO] [stdout] | [INFO] [stdout] 2 | __errno_location, _exit, c_int, c_void, execl, fclose, fdopen, pipe, pipe2, read, socketpair, [INFO] [stdout] | ^^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error::Error`, `null_mut` [INFO] [stdout] --> src/pty.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | error::Error, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 3 | ptr::{null, null_mut}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `stdin` [INFO] [stdout] --> src/run.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{stdin, Read}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/run.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut buf = [0 as u8; 4096]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/run.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut buf = [0 as u8; 4096]; [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: associated function is never used: `to_string` [INFO] [stdout] --> src/popen.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `socket_pipe` [INFO] [stdout] --> src/popen.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn socket_pipe() -> Result<[[c_int; 2]; 2], PopenError> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/run.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `create` [INFO] [stdout] --> src/socket_pair.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn create( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `Command { std: "docker" "inspect" "ca2d4787c204ee404ed79ee7cc161d4cfe85f77059018414404f9982352a3b10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca2d4787c204ee404ed79ee7cc161d4cfe85f77059018414404f9982352a3b10", kill_on_drop: false }` [INFO] [stdout] ca2d4787c204ee404ed79ee7cc161d4cfe85f77059018414404f9982352a3b10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5951070483817213c8b55f6c40cd6cc0b34734a31a88b4731a559deb73b40e2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a5951070483817213c8b55f6c40cd6cc0b34734a31a88b4731a559deb73b40e2", kill_on_drop: false }` [INFO] [stderr] Compiling libc_tools v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::Close` [INFO] [stdout] --> src/dup.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::Close; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `c_void`, `pipe`, `read` [INFO] [stdout] --> src/popen.rs:2:37 [INFO] [stdout] | [INFO] [stdout] 2 | __errno_location, _exit, c_int, c_void, execl, fclose, fdopen, pipe, pipe2, read, socketpair, [INFO] [stdout] | ^^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error::Error`, `null_mut` [INFO] [stdout] --> src/pty.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | error::Error, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 3 | ptr::{null, null_mut}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `stdin` [INFO] [stdout] --> src/run.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{stdin, Read}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/run.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut buf = [0 as u8; 4096]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/run.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut buf = [0 as u8; 4096]; [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: associated function is never used: `to_string` [INFO] [stdout] --> src/popen.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `socket_pipe` [INFO] [stdout] --> src/popen.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn socket_pipe() -> Result<[[c_int; 2]; 2], PopenError> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/run.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `create` [INFO] [stdout] --> src/socket_pair.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn create( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Close`, `PipeSide` [INFO] [stdout] --> src/close.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | use crate::{Close, Pipe, PipeSide}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::Close` [INFO] [stdout] --> src/dup.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::Close; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libc::execl` [INFO] [stdout] --> src/pipe.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | use libc::execl; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `c_void`, `pipe`, `read` [INFO] [stdout] --> src/popen.rs:2:37 [INFO] [stdout] | [INFO] [stdout] 2 | __errno_location, _exit, c_int, c_void, execl, fclose, fdopen, pipe, pipe2, read, socketpair, [INFO] [stdout] | ^^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FILE`, `SOCK_CLOEXEC`, `__errno_location`, `fclose`, `perror` [INFO] [stdout] --> src/popen.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | __errno_location, fclose, fgets, perror, socketpair, strlen, FILE, PF_UNIX, SOCK_CLOEXEC, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^ ^^^^^^ ^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Wait`, `popen::popen` [INFO] [stdout] --> src/popen.rs:192:17 [INFO] [stdout] | [INFO] [stdout] 192 | use crate::{popen::popen, Close, Popen, Wait}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error::Error`, `null_mut` [INFO] [stdout] --> src/pty.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | error::Error, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 3 | ptr::{null, null_mut}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `stdin` [INFO] [stdout] --> src/run.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{stdin, Read}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `popen::Popen::arg`: do not use! [INFO] [stdout] --> src/popen.rs:223:16 [INFO] [stdout] | [INFO] [stdout] 223 | Popen::arg("date").exec().unwrap(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `popen::Popen::exec`: do not use! [INFO] [stdout] --> src/popen.rs:223:28 [INFO] [stdout] | [INFO] [stdout] 223 | Popen::arg("date").exec().unwrap(); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `popen::Popen::arg`: do not use! [INFO] [stdout] --> src/popen.rs:238:32 [INFO] [stdout] | [INFO] [stdout] 238 | let popen = Popen::arg("time").exec().unwrap(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `popen::Popen::exec`: do not use! [INFO] [stdout] --> src/popen.rs:238:44 [INFO] [stdout] | [INFO] [stdout] 238 | let popen = Popen::arg("time").exec().unwrap(); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `popen::Popen::arg`: do not use! [INFO] [stdout] --> src/popen.rs:252:24 [INFO] [stdout] | [INFO] [stdout] 252 | let o = Popen::arg( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `popen::Popen::exec`: do not use! [INFO] [stdout] --> src/popen.rs:261:10 [INFO] [stdout] | [INFO] [stdout] 261 | .exec() [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/run.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut buf = [0 as u8; 4096]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/pipe.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let path = CString::new("/bin/sh")?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sh` [INFO] [stdout] --> src/pipe.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | let sh = CString::new("sh")?; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sh` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exec` [INFO] [stdout] --> src/pipe.rs:144:13 [INFO] [stdout] | [INFO] [stdout] 144 | let exec = CString::new("-c")?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_exec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/pipe.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | let arg = CString::new("ls")?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/run.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut buf = [0 as u8; 4096]; [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: associated function is never used: `to_string` [INFO] [stdout] --> src/popen.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `socket_pipe` [INFO] [stdout] --> src/popen.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn socket_pipe() -> Result<[[c_int; 2]; 2], PopenError> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/run.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `create` [INFO] [stdout] --> src/socket_pair.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn create( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "a5951070483817213c8b55f6c40cd6cc0b34734a31a88b4731a559deb73b40e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5951070483817213c8b55f6c40cd6cc0b34734a31a88b4731a559deb73b40e2", kill_on_drop: false }` [INFO] [stdout] a5951070483817213c8b55f6c40cd6cc0b34734a31a88b4731a559deb73b40e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fd1fbbbfecf3036e4fa103c1a5db281faa526e35ec04008e9bda7d482677be40 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fd1fbbbfecf3036e4fa103c1a5db281faa526e35ec04008e9bda7d482677be40", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate::Close` [INFO] [stderr] --> src/dup.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::Close; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `c_void`, `pipe`, `read` [INFO] [stderr] --> src/popen.rs:2:37 [INFO] [stderr] | [INFO] [stderr] 2 | __errno_location, _exit, c_int, c_void, execl, fclose, fdopen, pipe, pipe2, read, socketpair, [INFO] [stderr] | ^^^^^^ ^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `error::Error`, `null_mut` [INFO] [stderr] --> src/pty.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | error::Error, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 3 | ptr::{null, null_mut}, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Read`, `stdin` [INFO] [stderr] --> src/run.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::{stdin, Read}; [INFO] [stderr] | ^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/run.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut buf = [0 as u8; 4096]; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [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/run.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut buf = [0 as u8; 4096]; [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: associated function is never used: `to_string` [INFO] [stderr] --> src/popen.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 36 | fn to_string(&self) -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `socket_pipe` [INFO] [stderr] --> src/popen.rs:79:4 [INFO] [stderr] | [INFO] [stderr] 79 | fn socket_pipe() -> Result<[[c_int; 2]; 2], PopenError> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/run.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `create` [INFO] [stderr] --> src/socket_pair.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | fn create( [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `libc_tools` (lib) generated 10 warnings [INFO] [stderr] warning: unused imports: `Close`, `PipeSide` [INFO] [stderr] --> src/close.rs:53:17 [INFO] [stderr] | [INFO] [stderr] 53 | use crate::{Close, Pipe, PipeSide}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::Close` [INFO] [stderr] --> src/dup.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::Close; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `libc::execl` [INFO] [stderr] --> src/pipe.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | use libc::execl; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `FILE`, `SOCK_CLOEXEC`, `__errno_location`, `fclose`, `perror` [INFO] [stderr] --> src/popen.rs:188:9 [INFO] [stderr] | [INFO] [stderr] 188 | __errno_location, fclose, fgets, perror, socketpair, strlen, FILE, PF_UNIX, SOCK_CLOEXEC, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ ^^^^^^ ^^^^^^ ^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Wait`, `popen::popen` [INFO] [stderr] --> src/popen.rs:192:17 [INFO] [stderr] | [INFO] [stderr] 192 | use crate::{popen::popen, Close, Popen, Wait}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `popen::Popen::arg`: do not use! [INFO] [stderr] --> src/popen.rs:223:16 [INFO] [stderr] | [INFO] [stderr] 223 | Popen::arg("date").exec().unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `popen::Popen::exec`: do not use! [INFO] [stderr] --> src/popen.rs:223:28 [INFO] [stderr] | [INFO] [stderr] 223 | Popen::arg("date").exec().unwrap(); [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `popen::Popen::arg`: do not use! [INFO] [stderr] --> src/popen.rs:238:32 [INFO] [stderr] | [INFO] [stderr] 238 | let popen = Popen::arg("time").exec().unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `popen::Popen::exec`: do not use! [INFO] [stderr] --> src/popen.rs:238:44 [INFO] [stderr] | [INFO] [stderr] 238 | let popen = Popen::arg("time").exec().unwrap(); [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `popen::Popen::arg`: do not use! [INFO] [stderr] --> src/popen.rs:252:24 [INFO] [stderr] | [INFO] [stderr] 252 | let o = Popen::arg( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `popen::Popen::exec`: do not use! [INFO] [stderr] --> src/popen.rs:261:10 [INFO] [stderr] | [INFO] [stderr] 261 | .exec() [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/pipe.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | let path = CString::new("/bin/sh")?; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sh` [INFO] [stderr] --> src/pipe.rs:143:13 [INFO] [stderr] | [INFO] [stderr] 143 | let sh = CString::new("sh")?; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_sh` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exec` [INFO] [stderr] --> src/pipe.rs:144:13 [INFO] [stderr] | [INFO] [stderr] 144 | let exec = CString::new("-c")?; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_exec` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `arg` [INFO] [stderr] --> src/pipe.rs:145:13 [INFO] [stderr] | [INFO] [stderr] 145 | let arg = CString::new("ls")?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stderr] [INFO] [stderr] warning: `libc_tools` (lib test) generated 24 warnings (9 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/libc_tools-d405a7016fbcd70e) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test fork::fork::fork_box ... ok [INFO] [stdout] test close::close::test_close_pipe ... ok [INFO] [stdout] test pipe::pipe::test_execl ... ok [INFO] [stdout] test pipe::pipe::test_create_pipe_macro ... ok [INFO] [stdout] test pty::pty::test_pty ... ignored [INFO] [stdout] test popen::popen::tty_shell ... ok [INFO] [stdout] test popen::popen::socketpair_redirect ... ok [INFO] [stdout] test popen::popen::test_popen_date ... ok [INFO] [stdout] test popen::popen::test_libc_popen ... ok [INFO] [stdout] test popen::popen::test_out_err ... ok [INFO] [stdout] test popen::popen::test_write_out ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests libc_tools [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fd1fbbbfecf3036e4fa103c1a5db281faa526e35ec04008e9bda7d482677be40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd1fbbbfecf3036e4fa103c1a5db281faa526e35ec04008e9bda7d482677be40", kill_on_drop: false }` [INFO] [stdout] fd1fbbbfecf3036e4fa103c1a5db281faa526e35ec04008e9bda7d482677be40