[INFO] fetching crate namespaces-rs 0.1.1... [INFO] checking namespaces-rs-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate namespaces-rs 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate namespaces-rs 0.1.1 [INFO] finished tweaking crates.io crate namespaces-rs 0.1.1 [INFO] tweaked toml for crates.io crate namespaces-rs 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate namespaces-rs 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 79 packages to latest compatible versions [INFO] [stderr] Adding ipc-channel v0.14.1 (available: v0.20.1) [INFO] [stderr] Adding nix v0.18.0 (available: v0.30.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f50f6036d507689c837e5b5e43967016c34f2441be0a6325136e7dff563c817 [INFO] running `Command { std: "docker" "start" "-a" "0f50f6036d507689c837e5b5e43967016c34f2441be0a6325136e7dff563c817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f50f6036d507689c837e5b5e43967016c34f2441be0a6325136e7dff563c817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f50f6036d507689c837e5b5e43967016c34f2441be0a6325136e7dff563c817", kill_on_drop: false }` [INFO] [stdout] 0f50f6036d507689c837e5b5e43967016c34f2441be0a6325136e7dff563c817 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c62bfc008bfc7fb1a3d1bc06a8b510bcca48feb1a0c1bd59d7447d76af3f1ee [INFO] running `Command { std: "docker" "start" "-a" "0c62bfc008bfc7fb1a3d1bc06a8b510bcca48feb1a0c1bd59d7447d76af3f1ee", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling rustix v1.0.8 [INFO] [stderr] Checking bitflags v2.9.3 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking linux-raw-sys v0.9.4 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking fastrand v2.3.0 [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking tempfile v3.21.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking ipc-channel v0.14.1 [INFO] [stderr] Checking namespaces-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/advanced.rs:15:41 [INFO] [stdout] | [INFO] [stdout] 15 | Ok(unistd::ForkResult::Parent { child, .. }) => { [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/advanced.rs:15:41 [INFO] [stdout] | [INFO] [stdout] 15 | Ok(unistd::ForkResult::Parent { child, .. }) => { [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/advanced.rs:43:41 [INFO] [stdout] | [INFO] [stdout] 43 | Ok(unistd::ForkResult::Parent { child, .. }) => { [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `genre` is never read [INFO] [stdout] --> src/basic.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Namespace { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 16 | genre: NsType, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Namespace` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/advanced.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | tx.send(f()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = tx.send(f()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/advanced.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | tx.send(res); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = tx.send(res); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/advanced.rs:43:41 [INFO] [stdout] | [INFO] [stdout] 43 | Ok(unistd::ForkResult::Parent { child, .. }) => { [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `genre` is never read [INFO] [stdout] --> src/basic.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Namespace { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 16 | genre: NsType, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Namespace` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/advanced.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | tx.send(f()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = tx.send(f()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/advanced.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | tx.send(res); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = tx.send(res); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.64s [INFO] running `Command { std: "docker" "inspect" "0c62bfc008bfc7fb1a3d1bc06a8b510bcca48feb1a0c1bd59d7447d76af3f1ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c62bfc008bfc7fb1a3d1bc06a8b510bcca48feb1a0c1bd59d7447d76af3f1ee", kill_on_drop: false }` [INFO] [stdout] 0c62bfc008bfc7fb1a3d1bc06a8b510bcca48feb1a0c1bd59d7447d76af3f1ee