[INFO] cloning repository https://github.com/pol905/os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pol905/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpol905%2Fos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpol905%2Fos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fbfe6439d430ef7f9de2d3956e58b063ff2f0f7a [INFO] checking pol905/os against master#bbefc9837f4157cc09ed60e6d7b21e345d582dd9 for pr-114571-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpol905%2Fos" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pol905/os on toolchain bbefc9837f4157cc09ed60e6d7b21e345d582dd9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbefc9837f4157cc09ed60e6d7b21e345d582dd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pol905/os [INFO] finished tweaking git repo https://github.com/pol905/os [INFO] tweaked toml for git repo https://github.com/pol905/os written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/pol905/os 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" "+bbefc9837f4157cc09ed60e6d7b21e345d582dd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking pol905/os against try#2399cef65c47f346b5fa9df51f48df0acd4a9d85 for pr-114571-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpol905%2Fos" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pol905/os on toolchain 2399cef65c47f346b5fa9df51f48df0acd4a9d85 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pol905/os [INFO] finished tweaking git repo https://github.com/pol905/os [INFO] tweaked toml for git repo https://github.com/pol905/os written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/pol905/os 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" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bcf81c7cffaa33e4a3ecd29ec7f29ba0c0cd37f78eb78cc42b6d0e1c2885c1fb [INFO] running `Command { std: "docker" "start" "-a" "bcf81c7cffaa33e4a3ecd29ec7f29ba0c0cd37f78eb78cc42b6d0e1c2885c1fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcf81c7cffaa33e4a3ecd29ec7f29ba0c0cd37f78eb78cc42b6d0e1c2885c1fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcf81c7cffaa33e4a3ecd29ec7f29ba0c0cd37f78eb78cc42b6d0e1c2885c1fb", kill_on_drop: false }` [INFO] [stdout] bcf81c7cffaa33e4a3ecd29ec7f29ba0c0cd37f78eb78cc42b6d0e1c2885c1fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47d5147e4f52d508d952e07053fc74d4bb868c4dd09d7c64404d0bc5c22691fb [INFO] running `Command { std: "docker" "start" "-a" "47d5147e4f52d508d952e07053fc74d4bb868c4dd09d7c64404d0bc5c22691fb", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking fork_files v0.1.0 (/opt/rustwide/workdir/fork_files) [INFO] [stderr] Checking exec v0.1.0 (/opt/rustwide/workdir/exec) [INFO] [stderr] Checking fork v0.1.0 (/opt/rustwide/workdir/fork) [INFO] [stderr] Checking output_redirection v0.1.0 (/opt/rustwide/workdir/output_redirection) [INFO] [stderr] Checking pipe v0.1.0 (/opt/rustwide/workdir/pipe) [INFO] [stdout] warning: unused import: `libc::sleep` [INFO] [stdout] --> exec/src/main.rs:5:58 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::{sys::wait::waitpid,unistd::{self, ForkResult}, libc::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libc::sleep` [INFO] [stdout] --> fork_files/src/main.rs:3:58 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::{sys::wait::waitpid,unistd::{fork, ForkResult}, libc::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libc::sleep` [INFO] [stdout] --> fork_files/src/main.rs:3:58 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::{sys::wait::waitpid,unistd::{fork, ForkResult}, libc::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sleep` [INFO] [stdout] --> output_redirection/src/main.rs:6:70 [INFO] [stdout] | [INFO] [stdout] 6 | use nix::{sys::wait::waitpid,unistd::{self,ForkResult}, libc::{self, sleep, STDOUT_FILENO}}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libc::sleep` [INFO] [stdout] --> fork/src/main.rs:3:58 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::{sys::wait::waitpid,unistd::{fork, ForkResult}, libc::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libc::sleep` [INFO] [stdout] --> fork/src/main.rs:3:58 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::{sys::wait::waitpid,unistd::{fork, ForkResult}, libc::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> output_redirection/src/main.rs:23:76 [INFO] [stdout] | [INFO] [stdout] 23 | let _ = unsafe { libc::open(CString::new("p4.output").unwrap().as_ptr(), libc::O_RDWR | libc::O_CREAT | libc::O_TRUNC, libc::... [INFO] [stdout] | ---------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sleep` [INFO] [stdout] --> output_redirection/src/main.rs:6:70 [INFO] [stdout] | [INFO] [stdout] 6 | use nix::{sys::wait::waitpid,unistd::{self,ForkResult}, libc::{self, sleep, STDOUT_FILENO}}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> output_redirection/src/main.rs:23:76 [INFO] [stdout] | [INFO] [stdout] 23 | let _ = unsafe { libc::open(CString::new("p4.output").unwrap().as_ptr(), libc::O_RDWR | libc::O_CREAT | libc::O_TRUNC, libc::... [INFO] [stdout] | ---------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libc::sleep` [INFO] [stdout] --> exec/src/main.rs:5:58 [INFO] [stdout] | [INFO] [stdout] 5 | use nix::{sys::wait::waitpid,unistd::{self, ForkResult}, libc::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.03s [INFO] running `Command { std: "docker" "inspect" "47d5147e4f52d508d952e07053fc74d4bb868c4dd09d7c64404d0bc5c22691fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47d5147e4f52d508d952e07053fc74d4bb868c4dd09d7c64404d0bc5c22691fb", kill_on_drop: false }` [INFO] [stdout] 47d5147e4f52d508d952e07053fc74d4bb868c4dd09d7c64404d0bc5c22691fb