[INFO] fetching crate nswrap 0.1.0...
[INFO] checking nswrap-0.1.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate nswrap 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nswrap 0.1.0
[INFO] finished tweaking crates.io crate nswrap 0.1.0
[INFO] tweaked toml for crates.io crate nswrap 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nswrap 0.1.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to highest compatible versions
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding linux-raw-sys v0.4.15 (available: v0.12.1)
[INFO] [stderr]       Adding nix v0.26.4 (available: v0.31.3)
[INFO] [stderr]       Adding rustix v0.38.44 (available: v1.1.5)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[INFO] [stderr]       Adding xdg v2.5.2 (available: v3.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 92db135f4dc75e5384a307413de4e03d1b0b874a801fd718b96af5824ff78f21
[INFO] running `Command { std: "docker" "start" "92db135f4dc75e5384a307413de4e03d1b0b874a801fd718b96af5824ff78f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92db135f4dc75e5384a307413de4e03d1b0b874a801fd718b96af5824ff78f21", 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" "92db135f4dc75e5384a307413de4e03d1b0b874a801fd718b96af5824ff78f21" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92db135f4dc75e5384a307413de4e03d1b0b874a801fd718b96af5824ff78f21", 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" "92db135f4dc75e5384a307413de4e03d1b0b874a801fd718b96af5824ff78f21" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking pin-utils v0.1.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling getset v0.1.7
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking nswrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |         let mut set;
[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: methods `set_root` and `add_mount` are never used
[INFO] [stdout]    --> src/lib.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 315 | impl<'a> Wrap<'_> {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 349 |     fn set_root(&mut self, root: config::Root) -> &mut Self {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     fn add_mount(&mut self, mnt: config::Mount) -> &mut Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root` and `mounts` are never read
[INFO] [stdout]   --> src/core.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) struct WrapInner<'a> {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 46 |     pub(crate) process: config::Process,
[INFO] [stdout] 47 |     pub(crate) root: Option<config::Root>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |     pub(crate) mounts: Vec<config::Mount>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |         let mut set;
[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] error: useless conversion to the same type: `Process`
[INFO] [stdout]    --> src/lib.rs:345:24
[INFO] [stdout]     |
[INFO] [stdout] 345 |         self.process = proc.into();
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 345 -         self.process = proc.into();
[INFO] [stdout] 345 +         self.process = proc;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 345 -         self.process = proc.into();
[INFO] [stdout] 345 +         self.process = <Process as Into<_>>::into(proc);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_root` and `add_mount` are never used
[INFO] [stdout]    --> src/lib.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 315 | impl<'a> Wrap<'_> {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 349 |     fn set_root(&mut self, root: config::Root) -> &mut Self {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     fn add_mount(&mut self, mnt: config::Mount) -> &mut Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root` and `mounts` are never read
[INFO] [stdout]   --> src/core.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) struct WrapInner<'a> {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 46 |     pub(crate) process: config::Process,
[INFO] [stdout] 47 |     pub(crate) root: Option<config::Root>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |     pub(crate) mounts: Vec<config::Mount>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/core.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         cmd.exec();
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let _ = cmd.exec();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nswrap` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `Process`
[INFO] [stdout]    --> src/lib.rs:345:24
[INFO] [stdout]     |
[INFO] [stdout] 345 |         self.process = proc.into();
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 345 -         self.process = proc.into();
[INFO] [stdout] 345 +         self.process = proc;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 345 -         self.process = proc.into();
[INFO] [stdout] 345 +         self.process = <Process as Into<_>>::into(proc);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/core.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         cmd.exec();
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let _ = cmd.exec();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nswrap` (lib) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "92db135f4dc75e5384a307413de4e03d1b0b874a801fd718b96af5824ff78f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92db135f4dc75e5384a307413de4e03d1b0b874a801fd718b96af5824ff78f21", kill_on_drop: false }`
[INFO] [stdout] 92db135f4dc75e5384a307413de4e03d1b0b874a801fd718b96af5824ff78f21
