[INFO] fetching crate indexed-ring-buffer 0.1.3... [INFO] checking indexed-ring-buffer-0.1.3 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205 [INFO] extracting crate indexed-ring-buffer 0.1.3 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate indexed-ring-buffer 0.1.3 [INFO] finished tweaking crates.io crate indexed-ring-buffer 0.1.3 [INFO] tweaked toml for crates.io crate indexed-ring-buffer 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate indexed-ring-buffer 0.1.3 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 60 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.2.11 (available: v0.8.2) [INFO] [stderr] Adding parking_lot v0.10.2 (available: v0.12.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_core v0.4.2 [INFO] [stderr] Downloaded lock_api v0.3.4 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded rand_core v0.3.1 [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] [stderr] Downloaded parking_lot_core v0.7.3 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded rdrand v0.4.0 [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded parking_lot v0.10.2 [INFO] [stderr] Downloaded rand_os v0.1.3 [INFO] [stderr] Downloaded redox_syscall v0.1.57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f0648f6288ae110438b27c25714aceffeeba7928cc571f185efe190373ea918 [INFO] running `Command { std: "docker" "start" "-a" "7f0648f6288ae110438b27c25714aceffeeba7928cc571f185efe190373ea918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f0648f6288ae110438b27c25714aceffeeba7928cc571f185efe190373ea918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f0648f6288ae110438b27c25714aceffeeba7928cc571f185efe190373ea918", kill_on_drop: false }` [INFO] [stdout] 7f0648f6288ae110438b27c25714aceffeeba7928cc571f185efe190373ea918 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6b6148ff752332986c2a4d44d6d6b8f14f27e3e3301dcbeebbcf97a50ddfbc0 [INFO] running `Command { std: "docker" "start" "-a" "d6b6148ff752332986c2a4d44d6d6b8f14f27e3e3301dcbeebbcf97a50ddfbc0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Checking memchr v2.8.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking itoa v1.0.18 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking csv-core v0.1.13 [INFO] [stderr] Checking serde_json v1.0.149 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking indexed-ring-buffer v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv v1.4.0 [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:168:13 [INFO] [stdout] | [INFO] [stdout] 168 | mem::replace(buf.get_unchecked_mut(tail), MaybeUninit::new(v)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 168 | let _ = mem::replace(buf.get_unchecked_mut(tail), MaybeUninit::new(v)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: unused imports: `Consumer` and `Producer` [INFO] [stdout] --> tests/threads.rs:2:48 [INFO] [stdout] | [INFO] [stdout] 2 | use indexed_ring_buffer::{indexed_ring_buffer, Consumer, Producer, Reader}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Consumer`, `Producer`, and `Reader` [INFO] [stdout] --> tests/test.rs:3:48 [INFO] [stdout] | [INFO] [stdout] 3 | use indexed_ring_buffer::{indexed_ring_buffer, Consumer, Producer, Reader}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:168:13 [INFO] [stdout] | [INFO] [stdout] 168 | mem::replace(buf.get_unchecked_mut(tail), MaybeUninit::new(v)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 168 | let _ = mem::replace(buf.get_unchecked_mut(tail), MaybeUninit::new(v)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fm` [INFO] [stdout] --> tests/threads.rs:22:26 [INFO] [stdout] | [INFO] [stdout] 22 | if let Some((fm, to, v)) = r.get_from(last_id.wrapping_add(1), READ_SIZE) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_fm` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arc_data` [INFO] [stdout] --> tests/threads.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let arc_data = Arc::new(in_data.clone()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read` [INFO] [stdout] --> tests/test.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | let (mut prod, mut cons, read) = indexed_ring_buffer::(0, 1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/test.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | let (mut prod, mut cons, read) = indexed_ring_buffer::(0, 10); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/test.rs:19:20 [INFO] [stdout] | [INFO] [stdout] 19 | let (mut prod, mut cons, read) = indexed_ring_buffer::(0, 10); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/test.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | let (mut prod, mut cons, read) = indexed_ring_buffer::(n, 10); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cons` [INFO] [stdout] --> tests/test.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | let (mut prod, mut cons, read) = indexed_ring_buffer::(n, 10); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cons` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.83s [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" "d6b6148ff752332986c2a4d44d6d6b8f14f27e3e3301dcbeebbcf97a50ddfbc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6b6148ff752332986c2a4d44d6d6b8f14f27e3e3301dcbeebbcf97a50ddfbc0", kill_on_drop: false }` [INFO] [stdout] d6b6148ff752332986c2a4d44d6d6b8f14f27e3e3301dcbeebbcf97a50ddfbc0