[INFO] fetching crate growth-ring 0.2.3... [INFO] checking growth-ring-0.2.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] extracting crate growth-ring 0.2.3 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate growth-ring 0.2.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate growth-ring 0.2.3 [INFO] finished tweaking crates.io crate growth-ring 0.2.3 [INFO] tweaked toml for crates.io crate growth-ring 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate growth-ring 0.2.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7574d6723838a84c58fbbffc1bc3dea5bade68d1b1ed484244ed380f8737405 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e7574d6723838a84c58fbbffc1bc3dea5bade68d1b1ed484244ed380f8737405", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7574d6723838a84c58fbbffc1bc3dea5bade68d1b1ed484244ed380f8737405", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7574d6723838a84c58fbbffc1bc3dea5bade68d1b1ed484244ed380f8737405", kill_on_drop: false }` [INFO] [stdout] e7574d6723838a84c58fbbffc1bc3dea5bade68d1b1ed484244ed380f8737405 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0d19c19e58bab5bdf32bfc6537a1222922d6971aa153e476bacebe481896d08 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e0d19c19e58bab5bdf32bfc6537a1222922d6971aa153e476bacebe481896d08", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Compiling libaio-futures v0.2.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Checking thread_local v1.1.0 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking lru v0.6.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking scan_fmt v0.2.5 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.2 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking futures-executor v0.3.12 [INFO] [stderr] Checking futures v0.3.12 [INFO] [stderr] Checking growth-ring v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/wal.rs:474:25 [INFO] [stdout] | [INFO] [stdout] 474 | / &mut self.block_buffer[bbuff_cur as usize.. [INFO] [stdout] 475 | | bbuff_cur as usize + payload.len()] [INFO] [stdout] 476 | | .copy_from_slice(payload); [INFO] [stdout] | |_____________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 474 | let _ = &mut self.block_buffer[bbuff_cur as usize.. [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/wal.rs:493:25 [INFO] [stdout] | [INFO] [stdout] 493 | / &mut self.block_buffer[bbuff_cur as usize.. [INFO] [stdout] 494 | | bbuff_cur as usize + payload.len()] [INFO] [stdout] 495 | | .copy_from_slice(payload); [INFO] [stdout] | |_____________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 493 | let _ = &mut self.block_buffer[bbuff_cur as usize.. [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/wal.rs:474:25 [INFO] [stdout] | [INFO] [stdout] 474 | / &mut self.block_buffer[bbuff_cur as usize.. [INFO] [stdout] 475 | | bbuff_cur as usize + payload.len()] [INFO] [stdout] 476 | | .copy_from_slice(payload); [INFO] [stdout] | |_____________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 474 | let _ = &mut self.block_buffer[bbuff_cur as usize.. [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/wal.rs:493:25 [INFO] [stdout] | [INFO] [stdout] 493 | / &mut self.block_buffer[bbuff_cur as usize.. [INFO] [stdout] 494 | | bbuff_cur as usize + payload.len()] [INFO] [stdout] 495 | | .copy_from_slice(payload); [INFO] [stdout] | |_____________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 493 | let _ = &mut self.block_buffer[bbuff_cur as usize.. [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> tests/common/mod.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | / &self.file.borrow_mut()[offset..offset + data.len()] [INFO] [stdout] 71 | | .copy_from_slice(&data); [INFO] [stdout] | |___________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 70 | let _ = &self.file.borrow_mut()[offset..offset + data.len()] [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> tests/common/mod.rs:250:9 [INFO] [stdout] | [INFO] [stdout] 250 | &mut rs[..is].copy_from_slice(&len.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 250 | let _ = &mut rs[..is].copy_from_slice(&len.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> tests/common/mod.rs:253:13 [INFO] [stdout] | [INFO] [stdout] 253 | &mut rs[..is].copy_from_slice(&s.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 253 | let _ = &mut rs[..is].copy_from_slice(&s.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> tests/common/mod.rs:254:13 [INFO] [stdout] | [INFO] [stdout] 254 | &mut rs[is..is * 2].copy_from_slice(&e.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 254 | let _ = &mut rs[is..is * 2].copy_from_slice(&e.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> tests/common/mod.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | &mut rs[is * 2..is * 3].copy_from_slice(&c.to_le_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 255 | let _ = &mut rs[is * 2..is * 3].copy_from_slice(&c.to_le_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.10s [INFO] running `Command { std: "docker" "inspect" "e0d19c19e58bab5bdf32bfc6537a1222922d6971aa153e476bacebe481896d08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0d19c19e58bab5bdf32bfc6537a1222922d6971aa153e476bacebe481896d08", kill_on_drop: false }` [INFO] [stdout] e0d19c19e58bab5bdf32bfc6537a1222922d6971aa153e476bacebe481896d08