[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 try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpol905%2Fos" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [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-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pol905/os on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "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] | [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aba9dc50940bf9de53933c61d0bbf9e1b93c395822dc4570492586d60b48263b [INFO] running `Command { std: "docker" "start" "-a" "aba9dc50940bf9de53933c61d0bbf9e1b93c395822dc4570492586d60b48263b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aba9dc50940bf9de53933c61d0bbf9e1b93c395822dc4570492586d60b48263b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aba9dc50940bf9de53933c61d0bbf9e1b93c395822dc4570492586d60b48263b", kill_on_drop: false }` [INFO] [stdout] aba9dc50940bf9de53933c61d0bbf9e1b93c395822dc4570492586d60b48263b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f659fb07698caf034e2ffda5c3509c077ca8651dc110e6b28f94169cda897e62 [INFO] running `Command { std: "docker" "start" "-a" "f659fb07698caf034e2ffda5c3509c077ca8651dc110e6b28f94169cda897e62", 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] | [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 libc v0.2.142 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking exec v0.1.0 (/opt/rustwide/workdir/exec) [INFO] [stderr] Checking fork_files v0.1.0 (/opt/rustwide/workdir/fork_files) [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] [stderr] Checking fork v0.1.0 (/opt/rustwide/workdir/fork) [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> exec/src/main.rs:19:102 [INFO] [stdout] | [INFO] [stdout] 19 | unistd::execv(&CString::new("/bin/ls").unwrap(), &[CString::new("-l").unwrap()]).unwrap(); [INFO] [stdout] | -----------------------------------------------------------------------------------------^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited [INFO] [stdout] --> exec/src/main.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | unistd::execv(&CString::new("/bin/ls").unwrap(), &[CString::new("-l").unwrap()]).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> output_redirection/src/main.rs:24:181 [INFO] [stdout] | [INFO] [stdout] 24 | ... unistd::execvp(&CString::new("/usr/bin/wc").unwrap(), &[CString::new("wc").unwrap(), CString::new("/Users/siddhanth/Documents/os/multi_process.log").unwrap()]).unwrap(); [INFO] [stdout] | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited [INFO] [stdout] --> output_redirection/src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | ... unistd::execvp(&CString::new("/usr/bin/wc").unwrap(), &[CString::new("wc").unwrap(), CString::new("/Users/siddhanth/Documents/os/multi_process.log").unwrap()]).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> exec/src/main.rs:19:102 [INFO] [stdout] | [INFO] [stdout] 19 | unistd::execv(&CString::new("/bin/ls").unwrap(), &[CString::new("-l").unwrap()]).unwrap(); [INFO] [stdout] | -----------------------------------------------------------------------------------------^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited [INFO] [stdout] --> exec/src/main.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | unistd::execv(&CString::new("/bin/ls").unwrap(), &[CString::new("-l").unwrap()]).unwrap(); [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] --> output_redirection/src/main.rs:24:181 [INFO] [stdout] | [INFO] [stdout] 24 | ... unistd::execvp(&CString::new("/usr/bin/wc").unwrap(), &[CString::new("wc").unwrap(), CString::new("/Users/siddhanth/Documents/os/multi_process.log").unwrap()]).unwrap(); [INFO] [stdout] | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited [INFO] [stdout] --> output_redirection/src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | ... unistd::execvp(&CString::new("/usr/bin/wc").unwrap(), &[CString::new("wc").unwrap(), CString::new("/Users/siddhanth/Documents/os/multi_process.log").unwrap()]).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.67s [INFO] running `Command { std: "docker" "inspect" "f659fb07698caf034e2ffda5c3509c077ca8651dc110e6b28f94169cda897e62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f659fb07698caf034e2ffda5c3509c077ca8651dc110e6b28f94169cda897e62", kill_on_drop: false }` [INFO] [stdout] f659fb07698caf034e2ffda5c3509c077ca8651dc110e6b28f94169cda897e62