[INFO] fetching crate sqlite-rs 0.3.7...
[INFO] checking sqlite-rs-0.3.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate sqlite-rs 0.3.7 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate sqlite-rs 0.3.7
[INFO] finished tweaking crates.io crate sqlite-rs 0.3.7
[INFO] tweaked toml for crates.io crate sqlite-rs 0.3.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sqlite-rs 0.3.7 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sqlite-rs 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1249a5037cd1787f563075d6d5dc731ae154873c5f2e233d85a43427352f2381
[INFO] running `Command { std: "docker" "start" "-a" "1249a5037cd1787f563075d6d5dc731ae154873c5f2e233d85a43427352f2381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1249a5037cd1787f563075d6d5dc731ae154873c5f2e233d85a43427352f2381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1249a5037cd1787f563075d6d5dc731ae154873c5f2e233d85a43427352f2381", kill_on_drop: false }`
[INFO] [stdout] 1249a5037cd1787f563075d6d5dc731ae154873c5f2e233d85a43427352f2381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 584fd331300c0c4c59972c7a33f7f4a3174419160eab997ea6ca05e0130c67cc
[INFO] running `Command { std: "docker" "start" "-a" "584fd331300c0c4c59972c7a33f7f4a3174419160eab997ea6ca05e0130c67cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling sqlite-rs v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `debug` and `trace`
[INFO] [stdout]  --> src/tests/mod.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{debug, trace, SqliteConnection};
[INFO] [stdout]   |             ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/header/magic_header_string.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MagicHeaderString([u8; 16]);
[INFO] [stdout]    |            ----------------- ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/header/reserved_for_expansion.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ReservedForExpansion([u8; 20]);
[INFO] [stdout]   |            -------------------- ^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uri` and `mode` are never read
[INFO] [stdout]    --> src/io/mod.rs:103:3
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct SqliteUri {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 103 |   uri: String,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 104 |   path: PathBuf,
[INFO] [stdout] 105 |   mode: SqliteUriFileMode,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SqliteUri` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `btree` is never read
[INFO] [stdout]   --> src/runtime/mod.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct SqliteRuntime {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |   btree: SqliteBtree,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SqliteRuntime` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SqliteMaster` is never constructed
[INFO] [stdout]  --> src/runtime/internal_tables/sqlite_master/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(super) struct SqliteMaster(());
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SqliteSequence` is never constructed
[INFO] [stdout]  --> src/runtime/internal_tables/sqlite_sequence/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(super) struct SqliteSequence(());
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/io/mod.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let file_path = PathBuf::from_str(file_path).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sqlite-rs` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/header/magic_header_string.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MagicHeaderString([u8; 16]);
[INFO] [stdout]    |            ----------------- ^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/header/reserved_for_expansion.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ReservedForExpansion([u8; 20]);
[INFO] [stdout]   |            -------------------- ^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uri` and `mode` are never read
[INFO] [stdout]    --> src/io/mod.rs:103:3
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct SqliteUri {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 103 |   uri: String,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 104 |   path: PathBuf,
[INFO] [stdout] 105 |   mode: SqliteUriFileMode,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SqliteUri` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `btree` is never read
[INFO] [stdout]   --> src/runtime/mod.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct SqliteRuntime {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |   btree: SqliteBtree,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SqliteRuntime` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SqliteMaster` is never constructed
[INFO] [stdout]  --> src/runtime/internal_tables/sqlite_master/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(super) struct SqliteMaster(());
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SqliteSequence` is never constructed
[INFO] [stdout]  --> src/runtime/internal_tables/sqlite_sequence/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(super) struct SqliteSequence(());
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/io/mod.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let file_path = PathBuf::from_str(file_path).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sqlite-rs` (lib) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "584fd331300c0c4c59972c7a33f7f4a3174419160eab997ea6ca05e0130c67cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584fd331300c0c4c59972c7a33f7f4a3174419160eab997ea6ca05e0130c67cc", kill_on_drop: false }`
[INFO] [stdout] 584fd331300c0c4c59972c7a33f7f4a3174419160eab997ea6ca05e0130c67cc
