[INFO] fetching crate cntr 2.0.0...
[INFO] checking cntr-2.0.0 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate cntr 2.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cntr 2.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cntr 2.0.0
[INFO] tweaked toml for crates.io crate cntr 2.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cntr 2.0.0 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 cntr 2.0.0 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:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | 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: `cntr` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded container-pid v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6631f157425d3f9f83bf4f8418b3c27ae003dacbd145fe231cd799735074a3c4
[INFO] running `Command { std: "docker" "start" "6631f157425d3f9f83bf4f8418b3c27ae003dacbd145fe231cd799735074a3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6631f157425d3f9f83bf4f8418b3c27ae003dacbd145fe231cd799735074a3c4", 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" "6631f157425d3f9f83bf4f8418b3c27ae003dacbd145fe231cd799735074a3c4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6631f157425d3f9f83bf4f8418b3c27ae003dacbd145fe231cd799735074a3c4", 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" "6631f157425d3f9f83bf4f8418b3c27ae003dacbd145fe231cd799735074a3c4" "/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:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | 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: `cntr` (manifest) generated 1 warning
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking container-pid v1.0.0
[INFO] [stderr]     Checking cntr v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/cli.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 202 | /     attach(&options)
[INFO] [stdout] 203 | |         .map_err(|e| format!("failed to attach to container '{}': {}", container_name, e))?;
[INFO] [stdout]     | |___________________________________________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 204 |       Ok(std::process::ExitCode::SUCCESS)
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[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]    --> src/cli.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 279 | /     exec::exec(&options)
[INFO] [stdout] 280 | |         .map_err(|e| format!("failed to exec into container '{}': {}", container_name, e))?;
[INFO] [stdout]     | |___________________________________________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 281 |
[INFO] [stdout] 282 |       Ok(std::process::ExitCode::SUCCESS)
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/cli.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 202 | /     attach(&options)
[INFO] [stdout] 203 | |         .map_err(|e| format!("failed to attach to container '{}': {}", container_name, e))?;
[INFO] [stdout]     | |___________________________________________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 204 |       Ok(std::process::ExitCode::SUCCESS)
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[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]    --> src/cli.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 279 | /     exec::exec(&options)
[INFO] [stdout] 280 | |         .map_err(|e| format!("failed to exec into container '{}': {}", container_name, e))?;
[INFO] [stdout]     | |___________________________________________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 281 |
[INFO] [stdout] 282 |       Ok(std::process::ExitCode::SUCCESS)
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "6631f157425d3f9f83bf4f8418b3c27ae003dacbd145fe231cd799735074a3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6631f157425d3f9f83bf4f8418b3c27ae003dacbd145fe231cd799735074a3c4", kill_on_drop: false }`
[INFO] [stdout] 6631f157425d3f9f83bf4f8418b3c27ae003dacbd145fe231cd799735074a3c4
