[INFO] fetching crate rscni 0.0.4...
[INFO] checking rscni-0.0.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rscni 0.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rscni 0.0.4
[INFO] finished tweaking crates.io crate rscni 0.0.4
[INFO] tweaked toml for crates.io crate rscni 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rscni 0.0.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding rstest v0.18.2 (available: v0.25.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c56bc17caf986f4368cf18ab235bb0286e1e8f7e576bfed8bfeb755f63f87ccb
[INFO] running `Command { std: "docker" "start" "-a" "c56bc17caf986f4368cf18ab235bb0286e1e8f7e576bfed8bfeb755f63f87ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c56bc17caf986f4368cf18ab235bb0286e1e8f7e576bfed8bfeb755f63f87ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56bc17caf986f4368cf18ab235bb0286e1e8f7e576bfed8bfeb755f63f87ccb", kill_on_drop: false }`
[INFO] [stdout] c56bc17caf986f4368cf18ab235bb0286e1e8f7e576bfed8bfeb755f63f87ccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5a9036e0253c1e22664916a7336aaf0bad6fe68c1a67a20bae118e5712acb0a
[INFO] running `Command { std: "docker" "start" "-a" "a5a9036e0253c1e22664916a7336aaf0bad6fe68c1a67a20bae118e5712acb0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking rscni v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `stderr` is never read
[INFO] [stdout]  --> src/util.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) struct IoTarget {
[INFO] [stdout]   |                   -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub(super) stderr: Box<dyn Write>,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stderr` is never read
[INFO] [stdout]  --> src/util.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) struct IoTarget {
[INFO] [stdout]   |                   -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub(super) stderr: Box<dyn Write>,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.27s
[INFO] running `Command { std: "docker" "inspect" "a5a9036e0253c1e22664916a7336aaf0bad6fe68c1a67a20bae118e5712acb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a9036e0253c1e22664916a7336aaf0bad6fe68c1a67a20bae118e5712acb0a", kill_on_drop: false }`
[INFO] [stdout] a5a9036e0253c1e22664916a7336aaf0bad6fe68c1a67a20bae118e5712acb0a