[INFO] cloning repository https://github.com/darshana-v/rsh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darshana-v/rsh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarshana-v%2Frsh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarshana-v%2Frsh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45a6f1f2c21a9e186e390bf7611e1b31e63b594a
[INFO] checking darshana-v/rsh against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarshana-v%2Frsh" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/darshana-v/rsh
[INFO] finished tweaking git repo https://github.com/darshana-v/rsh
[INFO] tweaked toml for git repo https://github.com/darshana-v/rsh written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/darshana-v/rsh on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/darshana-v/rsh 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "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 shell-words v1.1.0
[INFO] [stderr]   Downloaded shellexpand v3.1.1
[INFO] [stderr]   Downloaded thiserror v2.0.15
[INFO] [stderr]   Downloaded bitflags v2.9.2
[INFO] [stderr]   Downloaded thiserror-impl v2.0.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dacfcda161dea64e0df5d91c15cfb734323cd9e99f303c0842cff3e8d260f2a4
[INFO] running `Command { std: "docker" "start" "-a" "dacfcda161dea64e0df5d91c15cfb734323cd9e99f303c0842cff3e8d260f2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dacfcda161dea64e0df5d91c15cfb734323cd9e99f303c0842cff3e8d260f2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dacfcda161dea64e0df5d91c15cfb734323cd9e99f303c0842cff3e8d260f2a4", kill_on_drop: false }`
[INFO] [stdout] dacfcda161dea64e0df5d91c15cfb734323cd9e99f303c0842cff3e8d260f2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65167a359c0af6419bba84f2e355730226e4671993f714934f6487ab6c20e699
[INFO] running `Command { std: "docker" "start" "-a" "65167a359c0af6419bba84f2e355730226e4671993f714934f6487ab6c20e699", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking bitflags v2.9.2
[INFO] [stderr]     Checking libloading v0.8.8
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking shellexpand v3.1.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking rsh v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nix::fcntl::OFlag`
[INFO] [stdout]  --> src/exec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nix::fcntl::OFlag;
[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: `Signal`
[INFO] [stdout]  --> src/exec.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::sys::signal::{Signal};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WaitStatus` and `waitpid`
[INFO] [stdout]  --> src/exec.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nix::sys::wait::{waitpid, WaitStatus};
[INFO] [stdout]   |                      ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `getpgrp`
[INFO] [stdout]  --> src/exec.rs:6:78
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nix::unistd::{fork, ForkResult, pipe, dup2, close, execvp, Pid, setpgid, getpgrp};
[INFO] [stdout]   |                                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/exec.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JobId`
[INFO] [stdout]   --> src/exec.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::job::{Job, JobId, JobTable};
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pid`
[INFO] [stdout]  --> src/debugger.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nix::unistd::{fork, ForkResult, Pid, execvp};
[INFO] [stdout]   |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::fcntl::OFlag`
[INFO] [stdout]  --> src/exec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nix::fcntl::OFlag;
[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: `Signal`
[INFO] [stdout]  --> src/exec.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::sys::signal::{Signal};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WaitStatus` and `waitpid`
[INFO] [stdout]  --> src/exec.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nix::sys::wait::{waitpid, WaitStatus};
[INFO] [stdout]   |                      ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `getpgrp`
[INFO] [stdout]  --> src/exec.rs:6:78
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nix::unistd::{fork, ForkResult, pipe, dup2, close, execvp, Pid, setpgid, getpgrp};
[INFO] [stdout]   |                                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/exec.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JobId`
[INFO] [stdout]   --> src/exec.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::job::{Job, JobId, JobTable};
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pid`
[INFO] [stdout]  --> src/debugger.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nix::unistd::{fork, ForkResult, Pid, execvp};
[INFO] [stdout]   |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builtins.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut parts = shell_words::split(line).unwrap_or_default();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rfd`
[INFO] [stdout]   --> src/exec.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let (rfd, wfd): (Option<i32>, Option<i32>) = if i < pipes.len() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_rfd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pwfd`
[INFO] [stdout]   --> src/exec.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let (prfd, pwfd): (Option<i32>, Option<i32>) = if i > 0 {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_pwfd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]   --> src/job.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl JobTable {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn remove(&mut self, id: JobId) { self.jobs.remove(&id); }
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builtins.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut parts = shell_words::split(line).unwrap_or_default();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rfd`
[INFO] [stdout]   --> src/exec.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let (rfd, wfd): (Option<i32>, Option<i32>) = if i < pipes.len() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_rfd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pwfd`
[INFO] [stdout]   --> src/exec.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let (prfd, pwfd): (Option<i32>, Option<i32>) = if i > 0 {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_pwfd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]   --> src/job.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl JobTable {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn remove(&mut self, id: JobId) { self.jobs.remove(&id); }
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `Command { std: "docker" "inspect" "65167a359c0af6419bba84f2e355730226e4671993f714934f6487ab6c20e699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65167a359c0af6419bba84f2e355730226e4671993f714934f6487ab6c20e699", kill_on_drop: false }`
[INFO] [stdout] 65167a359c0af6419bba84f2e355730226e4671993f714934f6487ab6c20e699
