[INFO] fetching crate growth-ring 0.2.3...
[INFO] checking growth-ring-0.2.3 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate growth-ring 0.2.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate growth-ring 0.2.3 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-9/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" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 179b5e803f82955392cf1fe7a08e24d8f85471438aa63ddaf8ba93d8e42735e7
[INFO] running `Command { std: "docker" "start" "-a" "179b5e803f82955392cf1fe7a08e24d8f85471438aa63ddaf8ba93d8e42735e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "179b5e803f82955392cf1fe7a08e24d8f85471438aa63ddaf8ba93d8e42735e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179b5e803f82955392cf1fe7a08e24d8f85471438aa63ddaf8ba93d8e42735e7", kill_on_drop: false }`
[INFO] [stdout] 179b5e803f82955392cf1fe7a08e24d8f85471438aa63ddaf8ba93d8e42735e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a961d93e4c5820c28c6eaf70744a7f1acc073a971b50e18c9a3a30bb3819f12c
[INFO] running `Command { std: "docker" "start" "-a" "a961d93e4c5820c28c6eaf70744a7f1acc073a971b50e18c9a3a30bb3819f12c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling libaio-futures v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking lru v0.6.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking scan_fmt v0.2.5
[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 21.25s
[INFO] running `Command { std: "docker" "inspect" "a961d93e4c5820c28c6eaf70744a7f1acc073a971b50e18c9a3a30bb3819f12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a961d93e4c5820c28c6eaf70744a7f1acc073a971b50e18c9a3a30bb3819f12c", kill_on_drop: false }`
[INFO] [stdout] a961d93e4c5820c28c6eaf70744a7f1acc073a971b50e18c9a3a30bb3819f12c
