[INFO] fetching crate tetsy-db 0.1.2...
[INFO] testing tetsy-db-0.1.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate tetsy-db 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tetsy-db 0.1.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tetsy-db 0.1.2
[INFO] finished tweaking crates.io crate tetsy-db 0.1.2
[INFO] tweaked toml for crates.io crate tetsy-db 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a41aea5d4444d91b0d7ee5a48f7aa6655186f7497736939522c4e13f2504635
[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" "1a41aea5d4444d91b0d7ee5a48f7aa6655186f7497736939522c4e13f2504635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a41aea5d4444d91b0d7ee5a48f7aa6655186f7497736939522c4e13f2504635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a41aea5d4444d91b0d7ee5a48f7aa6655186f7497736939522c4e13f2504635", kill_on_drop: false }`
[INFO] [stdout] 1a41aea5d4444d91b0d7ee5a48f7aa6655186f7497736939522c4e13f2504635
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8b1528de1efec9213bd163bbaea657f07513f33dd853738a0b0f274b02894a9
[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" "a8b1528de1efec9213bd163bbaea657f07513f33dd853738a0b0f274b02894a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling tetsy-db v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/table.rs:609:24
[INFO] [stdout]     |
[INFO] [stdout] 609 |         if self.dirty_header.compare_and_swap(true, false, Ordering::Relaxed) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:307:4
[INFO] [stdout]     |
[INFO] [stdout] 307 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[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] 307 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().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] 315 |                 let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().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] 353 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:466:3
[INFO] [stdout]     |
[INFO] [stdout] 466 |         &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let _ = &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:467:3
[INFO] [stdout]     |
[INFO] [stdout] 467 |         &buf[2..10].copy_from_slice(&last_removed.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] 467 |         let _ = &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/column.rs:457:7
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         let _ = &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "a8b1528de1efec9213bd163bbaea657f07513f33dd853738a0b0f274b02894a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b1528de1efec9213bd163bbaea657f07513f33dd853738a0b0f274b02894a9", kill_on_drop: false }`
[INFO] [stdout] a8b1528de1efec9213bd163bbaea657f07513f33dd853738a0b0f274b02894a9
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0248e1de4b63195f08301b168e7f58d2a4d30a4aa335422c63deecc453c020e5
[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" "0248e1de4b63195f08301b168e7f58d2a4d30a4aa335422c63deecc453c020e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tetsy-db v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/table.rs:609:24
[INFO] [stdout]     |
[INFO] [stdout] 609 |         if self.dirty_header.compare_and_swap(true, false, Ordering::Relaxed) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:307:4
[INFO] [stdout]     |
[INFO] [stdout] 307 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[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] 307 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().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] 315 |                 let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().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] 353 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:466:3
[INFO] [stdout]     |
[INFO] [stdout] 466 |         &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let _ = &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:467:3
[INFO] [stdout]     |
[INFO] [stdout] 467 |         &buf[2..10].copy_from_slice(&last_removed.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] 467 |         let _ = &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/column.rs:457:7
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         let _ = &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/table.rs:609:24
[INFO] [stdout]     |
[INFO] [stdout] 609 |         if self.dirty_header.compare_and_swap(true, false, Ordering::Relaxed) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:307:4
[INFO] [stdout]     |
[INFO] [stdout] 307 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[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] 307 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().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] 315 |                 let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().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] 353 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:466:3
[INFO] [stdout]     |
[INFO] [stdout] 466 |         &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let _ = &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:467:3
[INFO] [stdout]     |
[INFO] [stdout] 467 |         &buf[2..10].copy_from_slice(&last_removed.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] 467 |         let _ = &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/column.rs:457:7
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         let _ = &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "0248e1de4b63195f08301b168e7f58d2a4d30a4aa335422c63deecc453c020e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0248e1de4b63195f08301b168e7f58d2a4d30a4aa335422c63deecc453c020e5", kill_on_drop: false }`
[INFO] [stdout] 0248e1de4b63195f08301b168e7f58d2a4d30a4aa335422c63deecc453c020e5
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b826fea3929f1e567d7c6f71d8b9c9f8c12468c4db86d5a9799fe9de7b7466dd
[INFO] running `Command { std: "docker" "start" "-a" "b826fea3929f1e567d7c6f71d8b9c9f8c12468c4db86d5a9799fe9de7b7466dd", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/table.rs:609:24
[INFO] [stderr]     |
[INFO] [stderr] 609 |         if self.dirty_header.compare_and_swap(true, false, Ordering::Relaxed) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/index.rs:307:4
[INFO] [stderr]     |
[INFO] [stderr] 307 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/index.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/index.rs:353:4
[INFO] [stderr]     |
[INFO] [stderr] 353 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 353 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/table.rs:466:3
[INFO] [stderr]     |
[INFO] [stderr] 466 |         &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 466 |         let _ = &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/table.rs:467:3
[INFO] [stderr]     |
[INFO] [stderr] 467 |         &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 467 |         let _ = &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/column.rs:457:7
[INFO] [stderr]     |
[INFO] [stderr] 457 |                         &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 457 |                         let _ = &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tetsy-db` (lib) generated 7 warnings
[INFO] [stderr] warning: `tetsy-db` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tetsy_db-5cc5d604e939d3b8)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test table::test::insert_simple ... ok
[INFO] [stdout] test table::test::remove_simple ... ok
[INFO] [stdout] test table::test::replace_simple ... ok
[INFO] [stdout] test table::test::ref_counting ... ok
[INFO] [stdout] test table::test::replace_multipart_shorter ... ok
[INFO] [stdout] test table::test::replace_multipart_longer ... ok
[INFO] [stdout] test table::test::oversized_into_fixed_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tetsy-db
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b826fea3929f1e567d7c6f71d8b9c9f8c12468c4db86d5a9799fe9de7b7466dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b826fea3929f1e567d7c6f71d8b9c9f8c12468c4db86d5a9799fe9de7b7466dd", kill_on_drop: false }`
[INFO] [stdout] b826fea3929f1e567d7c6f71d8b9c9f8c12468c4db86d5a9799fe9de7b7466dd