[INFO] fetching crate cerf 0.2.0...
[INFO] checking cerf-0.2.0 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate cerf 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cerf 0.2.0
[INFO] finished tweaking crates.io crate cerf 0.2.0
[INFO] tweaked toml for crates.io crate cerf 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cerf 0.2.0 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cerf 0.2.0 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | homepage = "https://github.com/cerfsh/cerf"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 | repository = "https://github.com/cerfsh/cerf"
[INFO] [stderr]    |              --------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `cerf` (manifest) generated 2 warnings
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jwalk v0.8.1
[INFO] [stderr]   Downloaded rustyline v17.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e11084f182a94fd75771848e62280b568dbbe00a4c49e79fc3b9ea87b6980974
[INFO] running `Command { std: "docker" "start" "e11084f182a94fd75771848e62280b568dbbe00a4c49e79fc3b9ea87b6980974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e11084f182a94fd75771848e62280b568dbbe00a4c49e79fc3b9ea87b6980974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e11084f182a94fd75771848e62280b568dbbe00a4c49e79fc3b9ea87b6980974" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e11084f182a94fd75771848e62280b568dbbe00a4c49e79fc3b9ea87b6980974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e11084f182a94fd75771848e62280b568dbbe00a4c49e79fc3b9ea87b6980974" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | homepage = "https://github.com/cerfsh/cerf"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 | repository = "https://github.com/cerfsh/cerf"
[INFO] [stderr]    |              --------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `cerf` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking jwalk v0.8.1
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking sysinfo v0.38.4
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking rustyline v17.0.2
[INFO] [stderr]     Checking cerf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rustyline::ExternalPrinter`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustyline::ExternalPrinter;
[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: `rustyline::ExternalPrinter`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustyline::ExternalPrinter;
[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 variable: `res`
[INFO] [stdout]    --> src/builtins/fs/ls/mod.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let (res, code) = runner_inner(&args, &mut state, &mut stdout, &mut stderr);
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `job`
[INFO] [stdout]   --> src/builtins/tether.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 if let Some(job) = state.jobs.get(&id) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_job`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/engine/execution.rs:300:16
[INFO] [stdout]     |
[INFO] [stdout] 300 |             Ok(mut child) => {
[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: `pgid`
[INFO] [stdout]   --> src/engine/job_control.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let pgid = job.pgid;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_pgid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `job`
[INFO] [stdout]   --> src/builtins/tether.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 if let Some(job) = state.jobs.get(&id) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_job`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/engine/execution.rs:300:16
[INFO] [stdout]     |
[INFO] [stdout] 300 |             Ok(mut child) => {
[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: `pgid`
[INFO] [stdout]   --> src/engine/job_control.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let pgid = job.pgid;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_pgid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut printer_opt = rl.create_external_printer().ok();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `printer_opt`
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut printer_opt = rl.create_external_printer().ok();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/engine/state.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ProcessInfo {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 24 |     pub pid: u32,
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_var_mut`, `push_scope`, and `pop_scope` are never used
[INFO] [stdout]    --> src/engine/state.rs:254:12
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl ShellState {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub fn get_var_mut(&mut self, name: &str) -> Option<&mut Variable> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 269 |     pub fn push_scope(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn pop_scope(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name_mut` and `args_mut` are never used
[INFO] [stdout]   --> src/parser/ast.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl CommandNode {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn name_mut(&mut self) -> Option<&mut String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn args_mut(&mut self) -> Option<&mut Vec<Arg>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut printer_opt = rl.create_external_printer().ok();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `printer_opt`
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut printer_opt = rl.create_external_printer().ok();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/engine/state.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ProcessInfo {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 24 |     pub pid: u32,
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_var_mut`, `push_scope`, and `pop_scope` are never used
[INFO] [stdout]    --> src/engine/state.rs:254:12
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl ShellState {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub fn get_var_mut(&mut self, name: &str) -> Option<&mut Variable> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 269 |     pub fn push_scope(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn pop_scope(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]    --> src/parser/mod.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn parse_line(input: &str) -> Option<CommandNode> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line_with_vars` is never used
[INFO] [stdout]    --> src/parser/mod.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn parse_line_with_vars(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arg_values` is never used
[INFO] [stdout]   --> src/parser/ast.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn arg_values(args: &[Arg]) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name`, `name_mut`, and `args_mut` are never used
[INFO] [stdout]   --> src/parser/ast.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl CommandNode {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 71 |     pub fn name(&self) -> Option<&String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn name_mut(&mut self) -> Option<&mut String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn args_mut(&mut self) -> Option<&mut Vec<Arg>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1, nix v0.31.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "e11084f182a94fd75771848e62280b568dbbe00a4c49e79fc3b9ea87b6980974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11084f182a94fd75771848e62280b568dbbe00a4c49e79fc3b9ea87b6980974", kill_on_drop: false }`
[INFO] [stdout] e11084f182a94fd75771848e62280b568dbbe00a4c49e79fc3b9ea87b6980974
