[INFO] fetching crate rscni 0.0.4...
[INFO] checking rscni-0.0.4 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate rscni 0.0.4 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rscni 0.0.4 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding rstest v0.18.2 (available: v0.26.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest_macros v0.18.2
[INFO] [stderr]   Downloaded rstest v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fcebb5346848ce6edda6c0e5106cfa5dd095f6b78c8cc4f19b298f9cf3ecbd0
[INFO] running `Command { std: "docker" "start" "-a" "2fcebb5346848ce6edda6c0e5106cfa5dd095f6b78c8cc4f19b298f9cf3ecbd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fcebb5346848ce6edda6c0e5106cfa5dd095f6b78c8cc4f19b298f9cf3ecbd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcebb5346848ce6edda6c0e5106cfa5dd095f6b78c8cc4f19b298f9cf3ecbd0", kill_on_drop: false }`
[INFO] [stdout] 2fcebb5346848ce6edda6c0e5106cfa5dd095f6b78c8cc4f19b298f9cf3ecbd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 101518d0682c8b4dbce974b836dc81f250c2bd43b4a1cba6d8fd1c1fa2f5d389
[INFO] running `Command { std: "docker" "start" "-a" "101518d0682c8b4dbce974b836dc81f250c2bd43b4a1cba6d8fd1c1fa2f5d389", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling rstest_macros 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking rstest v0.18.2
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "101518d0682c8b4dbce974b836dc81f250c2bd43b4a1cba6d8fd1c1fa2f5d389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101518d0682c8b4dbce974b836dc81f250c2bd43b4a1cba6d8fd1c1fa2f5d389", kill_on_drop: false }`
[INFO] [stdout] 101518d0682c8b4dbce974b836dc81f250c2bd43b4a1cba6d8fd1c1fa2f5d389
