[INFO] fetching crate rscni 0.0.4... [INFO] checking rscni-0.0.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate rscni 0.0.4 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rscni 0.0.4 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53391b44d4e6c0d1be540d812d0151b0e6cc7e0b77375113ba7de710aef5eef9 [INFO] running `Command { std: "docker" "start" "-a" "53391b44d4e6c0d1be540d812d0151b0e6cc7e0b77375113ba7de710aef5eef9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53391b44d4e6c0d1be540d812d0151b0e6cc7e0b77375113ba7de710aef5eef9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53391b44d4e6c0d1be540d812d0151b0e6cc7e0b77375113ba7de710aef5eef9", kill_on_drop: false }` [INFO] [stdout] 53391b44d4e6c0d1be540d812d0151b0e6cc7e0b77375113ba7de710aef5eef9 [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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9aedf750ef7588fd1e6decae26285f74d8e6232a18242113f2c654ee193ea7e [INFO] running `Command { std: "docker" "start" "-a" "f9aedf750ef7588fd1e6decae26285f74d8e6232a18242113f2c654ee193ea7e", 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 glob v0.3.3 [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] Checking futures-util v0.3.31 [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, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/skel.rs:144:29 [INFO] [stdout] | [INFO] [stdout] 144 | let netns = PathBuf::from_str(&get_env(CNI_NETNS)?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/skel.rs:179:25 [INFO] [stdout] | [INFO] [stdout] 179 | PathBuf::from_str(netns) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/skel.rs:215:29 [INFO] [stdout] | [INFO] [stdout] 215 | let netns = PathBuf::from_str(&get_env(CNI_NETNS)?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rscni` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f9aedf750ef7588fd1e6decae26285f74d8e6232a18242113f2c654ee193ea7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9aedf750ef7588fd1e6decae26285f74d8e6232a18242113f2c654ee193ea7e", kill_on_drop: false }` [INFO] [stdout] f9aedf750ef7588fd1e6decae26285f74d8e6232a18242113f2c654ee193ea7e