[INFO] fetching crate bigqueue 0.0.2... [INFO] testing bigqueue-0.0.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0 [INFO] extracting crate bigqueue 0.0.2 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate bigqueue 0.0.2 [INFO] finished tweaking crates.io crate bigqueue 0.0.2 [INFO] tweaked toml for crates.io crate bigqueue 0.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate bigqueue 0.0.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 75 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.2.11 (available: v0.6.0) [INFO] [stderr] Adding lru v0.1.17 (available: v0.15.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lru v0.1.17 [INFO] [stderr] Downloaded memmap v0.7.0 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] [stderr] Downloaded hashbrown v0.5.0 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b7fe13a18121a1b2c38b39fe395d75c9d8ed930b7a12fca0b5f55d44fe2d349 [INFO] running `Command { std: "docker" "start" "-a" "9b7fe13a18121a1b2c38b39fe395d75c9d8ed930b7a12fca0b5f55d44fe2d349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b7fe13a18121a1b2c38b39fe395d75c9d8ed930b7a12fca0b5f55d44fe2d349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b7fe13a18121a1b2c38b39fe395d75c9d8ed930b7a12fca0b5f55d44fe2d349", kill_on_drop: false }` [INFO] [stdout] 9b7fe13a18121a1b2c38b39fe395d75c9d8ed930b7a12fca0b5f55d44fe2d349 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] f287087b00cc694a9d8983e990c32d1264593675fbdf89cf99aaa7130ef5d2be [INFO] running `Command { std: "docker" "start" "-a" "f287087b00cc694a9d8983e990c32d1264593675fbdf89cf99aaa7130ef5d2be", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling gimli v0.31.1 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling rustc-demangle v0.1.25 [INFO] [stderr] Compiling hashbrown v0.5.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling lru v0.1.17 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling addr2line v0.24.2 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling backtrace v0.3.75 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling bigqueue v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/bigqueue.rs:234:26 [INFO] [stdout] | [INFO] [stdout] 234 | let m = unsafe { (&mut (*self.q_head.get()).mmap) }; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 234 - let m = unsafe { (&mut (*self.q_head.get()).mmap) }; [INFO] [stdout] 234 + let m = unsafe { &mut (*self.q_head.get()).mmap }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/bigqueue.rs:239:26 [INFO] [stdout] | [INFO] [stdout] 239 | let m = unsafe { (&mut (*self.q_tail.get())) }; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 239 - let m = unsafe { (&mut (*self.q_tail.get())) }; [INFO] [stdout] 239 + let m = unsafe { &mut (*self.q_tail.get()) }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/bigqueue.rs:357:41 [INFO] [stdout] | [INFO] [stdout] 357 | fn read_length(&mut self) -> Option<(usize)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 357 - fn read_length(&mut self) -> Option<(usize)> { [INFO] [stdout] 357 + fn read_length(&mut self) -> Option { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_arenas` [INFO] [stdout] --> src/bigqueue.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let num_arenas = t_aid + 1 - h_aid; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_arenas` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tail` is never read [INFO] [stdout] --> src/bigqueue.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut tail: Option>> = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `head` is never read [INFO] [stdout] --> src/bigqueue.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut head: Option>> = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_bytes` is never used [INFO] [stdout] --> src/lib.rs:212:4 [INFO] [stdout] | [INFO] [stdout] 212 | fn read_bytes(mmap: &MmapMut, offset: usize, length: u64) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete_arena_backed_file` is never used [INFO] [stdout] --> src/bigqueue.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 214 | impl BigQueue { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 302 | fn delete_arena_backed_file(&self, aid: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file` is never read [INFO] [stdout] --> src/bigqueue.rs:431:5 [INFO] [stdout] | [INFO] [stdout] 430 | pub struct Index { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 431 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `flush` is never used [INFO] [stdout] --> src/bigqueue.rs:518:12 [INFO] [stdout] | [INFO] [stdout] 477 | impl Arena { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 518 | pub fn flush(&mut self) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:141:10 [INFO] [stdout] | [INFO] [stdout] 141 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_Error` [INFO] [stdout] 142 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:141:10 [INFO] [stdout] | [INFO] [stdout] 141 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_Error` [INFO] [stdout] 142 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | self.write_bytes(n_offset, bytes); [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] 147 | let _ = self.write_bytes(n_offset, bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | self.flip_head_page_to(head_aid); [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] 162 | let _ = self.flip_head_page_to(head_aid); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:222:9 [INFO] [stdout] | [INFO] [stdout] 222 | self.index.set_head(aid, offset); [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] 222 | let _ = self.index.set_head(aid, offset); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:228:9 [INFO] [stdout] | [INFO] [stdout] 228 | self.index.set_tail(aid, offset); [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] 228 | let _ = self.index.set_tail(aid, offset); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:317:9 [INFO] [stdout] | [INFO] [stdout] 317 | self.get_tail().write_u64_at(i_offset, length); [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] 317 | let _ = self.get_tail().write_u64_at(i_offset, length); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:361:13 [INFO] [stdout] | [INFO] [stdout] 361 | self.flip_head_page_to(self.head_aid + 1); [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] 361 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | self.flip_head_page_to(self.head_aid + 1); [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] 367 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:391:21 [INFO] [stdout] | [INFO] [stdout] 391 | self.flip_head_page_to(self.head_aid + 1); [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] 391 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:400:25 [INFO] [stdout] | [INFO] [stdout] 400 | self.flip_head_page_to(self.head_aid + 1); [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] 400 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.55s [INFO] running `Command { std: "docker" "inspect" "f287087b00cc694a9d8983e990c32d1264593675fbdf89cf99aaa7130ef5d2be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f287087b00cc694a9d8983e990c32d1264593675fbdf89cf99aaa7130ef5d2be", kill_on_drop: false }` [INFO] [stdout] f287087b00cc694a9d8983e990c32d1264593675fbdf89cf99aaa7130ef5d2be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8daba33d961d96b4ff680797e6f80f131652b968a1fdb7a56c9c4bbd279d267d [INFO] running `Command { std: "docker" "start" "-a" "8daba33d961d96b4ff680797e6f80f131652b968a1fdb7a56c9c4bbd279d267d", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/bigqueue.rs:234:26 [INFO] [stdout] | [INFO] [stdout] 234 | let m = unsafe { (&mut (*self.q_head.get()).mmap) }; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 234 - let m = unsafe { (&mut (*self.q_head.get()).mmap) }; [INFO] [stdout] 234 + let m = unsafe { &mut (*self.q_head.get()).mmap }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/bigqueue.rs:239:26 [INFO] [stdout] | [INFO] [stdout] 239 | let m = unsafe { (&mut (*self.q_tail.get())) }; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 239 - let m = unsafe { (&mut (*self.q_tail.get())) }; [INFO] [stdout] 239 + let m = unsafe { &mut (*self.q_tail.get()) }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/bigqueue.rs:357:41 [INFO] [stdout] | [INFO] [stdout] 357 | fn read_length(&mut self) -> Option<(usize)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 357 - fn read_length(&mut self) -> Option<(usize)> { [INFO] [stdout] 357 + fn read_length(&mut self) -> Option { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_arenas` [INFO] [stdout] --> src/bigqueue.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let num_arenas = t_aid + 1 - h_aid; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_arenas` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tail` is never read [INFO] [stdout] --> src/bigqueue.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut tail: Option>> = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `head` is never read [INFO] [stdout] --> src/bigqueue.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut head: Option>> = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_bytes` is never used [INFO] [stdout] --> src/lib.rs:212:4 [INFO] [stdout] | [INFO] [stdout] 212 | fn read_bytes(mmap: &MmapMut, offset: usize, length: u64) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete_arena_backed_file` is never used [INFO] [stdout] --> src/bigqueue.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 214 | impl BigQueue { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 302 | fn delete_arena_backed_file(&self, aid: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file` is never read [INFO] [stdout] --> src/bigqueue.rs:431:5 [INFO] [stdout] | [INFO] [stdout] 430 | pub struct Index { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 431 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `flush` is never used [INFO] [stdout] --> src/bigqueue.rs:518:12 [INFO] [stdout] | [INFO] [stdout] 477 | impl Arena { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 518 | pub fn flush(&mut self) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:141:10 [INFO] [stdout] | [INFO] [stdout] 141 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_Error` [INFO] [stdout] 142 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:141:10 [INFO] [stdout] | [INFO] [stdout] 141 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_Error` [INFO] [stdout] 142 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | self.write_bytes(n_offset, bytes); [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] 147 | let _ = self.write_bytes(n_offset, bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | self.flip_head_page_to(head_aid); [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] 162 | let _ = self.flip_head_page_to(head_aid); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:222:9 [INFO] [stdout] | [INFO] [stdout] 222 | self.index.set_head(aid, offset); [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] 222 | let _ = self.index.set_head(aid, offset); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:228:9 [INFO] [stdout] | [INFO] [stdout] 228 | self.index.set_tail(aid, offset); [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] 228 | let _ = self.index.set_tail(aid, offset); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:317:9 [INFO] [stdout] | [INFO] [stdout] 317 | self.get_tail().write_u64_at(i_offset, length); [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] 317 | let _ = self.get_tail().write_u64_at(i_offset, length); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:361:13 [INFO] [stdout] | [INFO] [stdout] 361 | self.flip_head_page_to(self.head_aid + 1); [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] 361 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | self.flip_head_page_to(self.head_aid + 1); [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] 367 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:391:21 [INFO] [stdout] | [INFO] [stdout] 391 | self.flip_head_page_to(self.head_aid + 1); [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] 391 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:400:25 [INFO] [stdout] | [INFO] [stdout] 400 | self.flip_head_page_to(self.head_aid + 1); [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] 400 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling bigqueue v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/bigqueue.rs:234:26 [INFO] [stdout] | [INFO] [stdout] 234 | let m = unsafe { (&mut (*self.q_head.get()).mmap) }; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 234 - let m = unsafe { (&mut (*self.q_head.get()).mmap) }; [INFO] [stdout] 234 + let m = unsafe { &mut (*self.q_head.get()).mmap }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/bigqueue.rs:239:26 [INFO] [stdout] | [INFO] [stdout] 239 | let m = unsafe { (&mut (*self.q_tail.get())) }; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 239 - let m = unsafe { (&mut (*self.q_tail.get())) }; [INFO] [stdout] 239 + let m = unsafe { &mut (*self.q_tail.get()) }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/bigqueue.rs:357:41 [INFO] [stdout] | [INFO] [stdout] 357 | fn read_length(&mut self) -> Option<(usize)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 357 - fn read_length(&mut self) -> Option<(usize)> { [INFO] [stdout] 357 + fn read_length(&mut self) -> Option { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_arenas` [INFO] [stdout] --> src/bigqueue.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let num_arenas = t_aid + 1 - h_aid; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_arenas` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tail` is never read [INFO] [stdout] --> src/bigqueue.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | let mut tail: Option>> = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `head` is never read [INFO] [stdout] --> src/bigqueue.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut head: Option>> = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_bytes` is never used [INFO] [stdout] --> src/lib.rs:212:4 [INFO] [stdout] | [INFO] [stdout] 212 | fn read_bytes(mmap: &MmapMut, offset: usize, length: u64) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete_arena_backed_file` is never used [INFO] [stdout] --> src/bigqueue.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 214 | impl BigQueue { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 302 | fn delete_arena_backed_file(&self, aid: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file` is never read [INFO] [stdout] --> src/bigqueue.rs:431:5 [INFO] [stdout] | [INFO] [stdout] 430 | pub struct Index { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 431 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:141:10 [INFO] [stdout] | [INFO] [stdout] 141 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_Error` [INFO] [stdout] 142 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:141:10 [INFO] [stdout] | [INFO] [stdout] 141 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_Error` [INFO] [stdout] 142 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | self.write_bytes(n_offset, bytes); [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] 147 | let _ = self.write_bytes(n_offset, bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | self.flip_head_page_to(head_aid); [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] 162 | let _ = self.flip_head_page_to(head_aid); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:222:9 [INFO] [stdout] | [INFO] [stdout] 222 | self.index.set_head(aid, offset); [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] 222 | let _ = self.index.set_head(aid, offset); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:228:9 [INFO] [stdout] | [INFO] [stdout] 228 | self.index.set_tail(aid, offset); [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] 228 | let _ = self.index.set_tail(aid, offset); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:317:9 [INFO] [stdout] | [INFO] [stdout] 317 | self.get_tail().write_u64_at(i_offset, length); [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] 317 | let _ = self.get_tail().write_u64_at(i_offset, length); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:361:13 [INFO] [stdout] | [INFO] [stdout] 361 | self.flip_head_page_to(self.head_aid + 1); [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] 361 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | self.flip_head_page_to(self.head_aid + 1); [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] 367 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:391:21 [INFO] [stdout] | [INFO] [stdout] 391 | self.flip_head_page_to(self.head_aid + 1); [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] 391 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:400:25 [INFO] [stdout] | [INFO] [stdout] 400 | self.flip_head_page_to(self.head_aid + 1); [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] 400 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:547:9 [INFO] [stdout] | [INFO] [stdout] 547 | qi.set_head(1, 3); [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] 547 | let _ = qi.set_head(1, 3); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:548:9 [INFO] [stdout] | [INFO] [stdout] 548 | qi.set_tail(1, 4); [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] 548 | let _ = qi.set_tail(1, 4); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:569:9 [INFO] [stdout] | [INFO] [stdout] 569 | t.write_u64_at(0, 100u64); [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] 569 | let _ = t.write_u64_at(0, 100u64); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bigqueue.rs:570:9 [INFO] [stdout] | [INFO] [stdout] 570 | t.write_u64_at(8, 10u64); [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] 570 | let _ = t.write_u64_at(8, 10u64); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 21.71s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "8daba33d961d96b4ff680797e6f80f131652b968a1fdb7a56c9c4bbd279d267d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8daba33d961d96b4ff680797e6f80f131652b968a1fdb7a56c9c4bbd279d267d", kill_on_drop: false }` [INFO] [stdout] 8daba33d961d96b4ff680797e6f80f131652b968a1fdb7a56c9c4bbd279d267d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b743818c833cfc49366bc1bd3aa9d2cb3235c38c37eb79116dc329b1b43e300e [INFO] running `Command { std: "docker" "start" "-a" "b743818c833cfc49366bc1bd3aa9d2cb3235c38c37eb79116dc329b1b43e300e", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/bigqueue.rs:234:26 [INFO] [stderr] | [INFO] [stderr] 234 | let m = unsafe { (&mut (*self.q_head.get()).mmap) }; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 234 - let m = unsafe { (&mut (*self.q_head.get()).mmap) }; [INFO] [stderr] 234 + let m = unsafe { &mut (*self.q_head.get()).mmap }; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/bigqueue.rs:239:26 [INFO] [stderr] | [INFO] [stderr] 239 | let m = unsafe { (&mut (*self.q_tail.get())) }; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 239 - let m = unsafe { (&mut (*self.q_tail.get())) }; [INFO] [stderr] 239 + let m = unsafe { &mut (*self.q_tail.get()) }; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/bigqueue.rs:357:41 [INFO] [stderr] | [INFO] [stderr] 357 | fn read_length(&mut self) -> Option<(usize)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 357 - fn read_length(&mut self) -> Option<(usize)> { [INFO] [stderr] 357 + fn read_length(&mut self) -> Option { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num_arenas` [INFO] [stderr] --> src/bigqueue.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | let num_arenas = t_aid + 1 - h_aid; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_arenas` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tail` is never read [INFO] [stderr] --> src/bigqueue.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | let mut tail: Option>> = None; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `head` is never read [INFO] [stderr] --> src/bigqueue.rs:60:17 [INFO] [stderr] | [INFO] [stderr] 60 | let mut head: Option>> = None; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: function `read_bytes` is never used [INFO] [stderr] --> src/lib.rs:212:4 [INFO] [stderr] | [INFO] [stderr] 212 | fn read_bytes(mmap: &MmapMut, offset: usize, length: u64) -> Option> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `delete_arena_backed_file` is never used [INFO] [stderr] --> src/bigqueue.rs:302:8 [INFO] [stderr] | [INFO] [stderr] 214 | impl BigQueue { [INFO] [stderr] | ------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 302 | fn delete_arena_backed_file(&self, aid: usize) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `file` is never read [INFO] [stderr] --> src/bigqueue.rs:431:5 [INFO] [stderr] | [INFO] [stderr] 430 | pub struct Index { [INFO] [stderr] | ----- field in this struct [INFO] [stderr] 431 | file: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `flush` is never used [INFO] [stderr] --> src/bigqueue.rs:518:12 [INFO] [stderr] | [INFO] [stderr] 477 | impl Arena { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 518 | pub fn flush(&mut self) -> Result<()> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stderr] --> src/lib.rs:141:10 [INFO] [stderr] | [INFO] [stderr] 141 | #[derive(Fail, Debug)] [INFO] [stderr] | ^--- [INFO] [stderr] | | [INFO] [stderr] | `Fail` is not local [INFO] [stderr] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_Error` [INFO] [stderr] 142 | pub enum Error { [INFO] [stderr] | ----- `Error` is not local [INFO] [stderr] | [INFO] [stderr] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stderr] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stderr] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stderr] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stderr] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stderr] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stderr] --> src/lib.rs:141:10 [INFO] [stderr] | [INFO] [stderr] 141 | #[derive(Fail, Debug)] [INFO] [stderr] | ^--- [INFO] [stderr] | | [INFO] [stderr] | `Display` is not local [INFO] [stderr] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_Error` [INFO] [stderr] 142 | pub enum Error { [INFO] [stderr] | ----- `Error` is not local [INFO] [stderr] | [INFO] [stderr] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stderr] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stderr] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stderr] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stderr] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:147:9 [INFO] [stderr] | [INFO] [stderr] 147 | self.write_bytes(n_offset, bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 147 | let _ = self.write_bytes(n_offset, bytes); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:162:17 [INFO] [stderr] | [INFO] [stderr] 162 | self.flip_head_page_to(head_aid); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 162 | let _ = self.flip_head_page_to(head_aid); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:222:9 [INFO] [stderr] | [INFO] [stderr] 222 | self.index.set_head(aid, offset); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 222 | let _ = self.index.set_head(aid, offset); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:228:9 [INFO] [stderr] | [INFO] [stderr] 228 | self.index.set_tail(aid, offset); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 228 | let _ = self.index.set_tail(aid, offset); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:317:9 [INFO] [stderr] | [INFO] [stderr] 317 | self.get_tail().write_u64_at(i_offset, length); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 317 | let _ = self.get_tail().write_u64_at(i_offset, length); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:361:13 [INFO] [stderr] | [INFO] [stderr] 361 | self.flip_head_page_to(self.head_aid + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 361 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:367:17 [INFO] [stderr] | [INFO] [stderr] 367 | self.flip_head_page_to(self.head_aid + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 367 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:391:21 [INFO] [stderr] | [INFO] [stderr] 391 | self.flip_head_page_to(self.head_aid + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 391 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:400:25 [INFO] [stderr] | [INFO] [stderr] 400 | self.flip_head_page_to(self.head_aid + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 400 | let _ = self.flip_head_page_to(self.head_aid + 1); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `bigqueue` (lib) generated 21 warnings (run `cargo fix --lib -p bigqueue` to apply 3 suggestions) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:547:9 [INFO] [stderr] | [INFO] [stderr] 547 | qi.set_head(1, 3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 547 | let _ = qi.set_head(1, 3); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:548:9 [INFO] [stderr] | [INFO] [stderr] 548 | qi.set_tail(1, 4); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 548 | let _ = qi.set_tail(1, 4); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:569:9 [INFO] [stderr] | [INFO] [stderr] 569 | t.write_u64_at(0, 100u64); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 569 | let _ = t.write_u64_at(0, 100u64); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bigqueue.rs:570:9 [INFO] [stderr] | [INFO] [stderr] 570 | t.write_u64_at(8, 10u64); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 570 | let _ = t.write_u64_at(8, 10u64); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `bigqueue` (lib test) generated 24 warnings (20 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/bigqueue-0114624f7cf00858) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test bigqueue::tests::test_index ... ok [INFO] [stdout] test bigqueue::tests::test_arena ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b743818c833cfc49366bc1bd3aa9d2cb3235c38c37eb79116dc329b1b43e300e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b743818c833cfc49366bc1bd3aa9d2cb3235c38c37eb79116dc329b1b43e300e", kill_on_drop: false }` [INFO] [stdout] b743818c833cfc49366bc1bd3aa9d2cb3235c38c37eb79116dc329b1b43e300e