[INFO] cloning repository https://github.com/stehekin/rust_container
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stehekin/rust_container" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstehekin%2Frust_container", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstehekin%2Frust_container'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b8f1edef5afe3afd586a7b3d3f7f4d74e772737
[INFO] checking stehekin/rust_container against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstehekin%2Frust_container" "/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/stehekin/rust_container
[INFO] finished tweaking git repo https://github.com/stehekin/rust_container
[INFO] tweaked toml for git repo https://github.com/stehekin/rust_container written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stehekin/rust_container on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stehekin/rust_container 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v1.1.8
[INFO] [stderr]   Downloaded pin-project v1.1.8
[INFO] [stderr]   Downloaded prost-derive v0.12.6
[INFO] [stderr]   Downloaded prost v0.12.6
[INFO] [stderr]   Downloaded k8s-cri v0.10.0
[INFO] [stderr]   Downloaded async-trait v0.1.85
[INFO] [stderr]   Downloaded bitflags v2.7.0
[INFO] [stderr]   Downloaded containerd-client v0.8.0
[INFO] [stderr]   Downloaded getset v0.1.4
[INFO] [stderr]   Downloaded oci-spec v0.7.1
[INFO] [stderr]   Downloaded miniz_oxide v0.8.3
[INFO] [stderr]   Downloaded fstr v0.2.12
[INFO] [stderr]   Downloaded uuid7 v0.7.2
[INFO] [stderr]   Downloaded prost-helper v0.8.3
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ac349579733b1496efa90f1e96102d9cbae173f24e42104b9f79b746a6e7441
[INFO] running `Command { std: "docker" "start" "-a" "0ac349579733b1496efa90f1e96102d9cbae173f24e42104b9f79b746a6e7441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ac349579733b1496efa90f1e96102d9cbae173f24e42104b9f79b746a6e7441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac349579733b1496efa90f1e96102d9cbae173f24e42104b9f79b746a6e7441", kill_on_drop: false }`
[INFO] [stdout] 0ac349579733b1496efa90f1e96102d9cbae173f24e42104b9f79b746a6e7441
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b189a6c266f7fffa9397f93304f916c6b97fd5db654f026d0315f97cf2ccd9d1
[INFO] running `Command { std: "docker" "start" "-a" "b189a6c266f7fffa9397f93304f916c6b97fd5db654f026d0315f97cf2ccd9d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling prettyplease v0.2.29
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling bitflags v2.7.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking fstr v0.2.12
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]    Compiling tempfile v3.15.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.13.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling pin-project-internal v1.1.8
[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling getset v0.1.4
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking pin-project v1.1.8
[INFO] [stderr]     Checking prost v0.12.6
[INFO] [stderr]    Compiling prost v0.13.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking prost-types v0.13.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking uuid7 v0.7.2
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]    Compiling prost-build v0.13.4
[INFO] [stderr]    Compiling tonic-build v0.12.3
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]    Compiling containerd-client v0.8.0
[INFO] [stderr]    Compiling k8s-cri v0.10.0
[INFO] [stderr]     Checking h2 v0.4.7
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking oci-spec v0.7.1
[INFO] [stderr]     Checking prost-helper v0.8.3
[INFO] [stderr]     Checking hyper v1.5.2
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking tonic v0.12.3
[INFO] [stderr]     Checking container v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CGroup` is never constructed
[INFO] [stdout]  --> src/cgroup.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct CGroup {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CGroupCache` is never constructed
[INFO] [stdout]   --> src/cgroup.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct CGroupCache {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_cgroup` and `is_descendant` are never used
[INFO] [stdout]   --> src/cgroup.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl CGroupCache {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 17 |     pub(crate) fn add_cgroup(&mut self, number: u32, name: String, parent: Option<u32>) {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub(crate) fn is_descendant(&self, cg1_number: u32, cg2_name: String) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/containerd.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::any::Any;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `containerd_client::services::v1::namespaces_client::NamespacesClient`
[INFO] [stdout]  --> src/containerd.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use containerd_client::services::v1::namespaces_client::NamespacesClient;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ListNamespacesRequest`
[INFO] [stdout]  --> src/containerd.rs:8:66
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use containerd_client::services::v1::{ListContainersRequest, ListNamespacesRequest};
[INFO] [stdout]   |                                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `containerd_client::types::RuntimeInfo`
[INFO] [stdout]  --> src/containerd.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use containerd_client::types::RuntimeInfo;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Message` and `Name`
[INFO] [stdout]   --> src/containerd.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use prost::{Message, Name};
[INFO] [stdout]    |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prost_helper::ToJson`
[INFO] [stdout]   --> src/containerd.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use prost_helper::ToJson;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]   --> src/containerd.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use serde_json::{json, Value};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoRequest` and `Response`
[INFO] [stdout]   --> src/containerd.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use tonic::{IntoRequest, Request, Response};
[INFO] [stdout]    |                 ^^^^^^^^^^^           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SpecBuilder`
[INFO] [stdout]   --> src/containerd.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use oci_spec::runtime::{Spec, SpecBuilder};
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Channel`
[INFO] [stdout]  --> src/cri.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use tonic::transport::{Channel, Endpoint, Uri};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request` and `Response`
[INFO] [stdout]  --> src/cri.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use tonic::{Request, Response};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cgroup.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         for i in 0..=6 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/cgroup.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             for j in 0..=6 {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `number`, and `parent` are never read
[INFO] [stdout]  --> src/cgroup.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) struct CGroup {
[INFO] [stdout]   |                   ------ fields in this struct
[INFO] [stdout] 5 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     number: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     parent: Option<Rc<CGroup>>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_descendant` is never used
[INFO] [stdout]   --> src/cgroup.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl CGroupCache {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub(crate) fn is_descendant(&self, cg1_number: u32, cg2_name: String) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.26s
[INFO] running `Command { std: "docker" "inspect" "b189a6c266f7fffa9397f93304f916c6b97fd5db654f026d0315f97cf2ccd9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b189a6c266f7fffa9397f93304f916c6b97fd5db654f026d0315f97cf2ccd9d1", kill_on_drop: false }`
[INFO] [stdout] b189a6c266f7fffa9397f93304f916c6b97fd5db654f026d0315f97cf2ccd9d1