[INFO] fetching crate rfirebird 0.1.0...
[INFO] checking rfirebird-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rfirebird 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rfirebird 0.1.0
[INFO] finished tweaking crates.io crate rfirebird 0.1.0
[INFO] tweaked toml for crates.io crate rfirebird 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rfirebird 0.1.0 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 rfirebird 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e477021207a592f5a73ab366664c0c2f3826c3305c5c546ab6de7c80b226a58c
[INFO] running `Command { std: "docker" "start" "-a" "e477021207a592f5a73ab366664c0c2f3826c3305c5c546ab6de7c80b226a58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e477021207a592f5a73ab366664c0c2f3826c3305c5c546ab6de7c80b226a58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e477021207a592f5a73ab366664c0c2f3826c3305c5c546ab6de7c80b226a58c", kill_on_drop: false }`
[INFO] [stdout] e477021207a592f5a73ab366664c0c2f3826c3305c5c546ab6de7c80b226a58c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c5206a6f8b869eba594247dd65442dbbe0153f24c9a8bbb8f6f17d7327a4469d
[INFO] running `Command { std: "docker" "start" "-a" "c5206a6f8b869eba594247dd65442dbbe0153f24c9a8bbb8f6f17d7327a4469d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking papergrid v0.5.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling tabled_derive v0.4.0
[INFO] [stderr]     Checking tabled v0.8.0
[INFO] [stderr]    Compiling proc-macro-crate v1.2.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling argopt-impl v0.3.0
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]     Checking argopt v0.3.0
[INFO] [stderr]     Checking rfirebird v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `pag`, `sequence`, and `count` are never read
[INFO] [stdout]   --> src/data.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct DataPage {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 22 |     pub pag: Page,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 23 |     /// Sequence nu...
[INFO] [stdout] 24 |     pub sequence: u32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub count: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataPage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `transaction`, `b_page`, `b_line`, `flags`, and `format` are never read
[INFO] [stdout]   --> src/record.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct RecordHeader {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 10 |     /// The id of the transaction that created this record
[INFO] [stdout] 11 |     pub transaction: i32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 12 |     /// This is the record’s back pointer page
[INFO] [stdout] 13 |     pub b_page: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     /// This is the record’s back line pointer
[INFO] [stdout] 15 |     pub b_line: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 16 |     pub flags: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 17 |     /// The record format version
[INFO] [stdout] 18 |     pub format: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecordHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pag`, `sequence`, and `count` are never read
[INFO] [stdout]   --> src/data.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct DataPage {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 22 |     pub pag: Page,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 23 |     /// Sequence nu...
[INFO] [stdout] 24 |     pub sequence: u32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub count: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataPage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `transaction`, `b_page`, `b_line`, `flags`, and `format` are never read
[INFO] [stdout]   --> src/record.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct RecordHeader {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 10 |     /// The id of the transaction that created this record
[INFO] [stdout] 11 |     pub transaction: i32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 12 |     /// This is the record’s back pointer page
[INFO] [stdout] 13 |     pub b_page: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     /// This is the record’s back line pointer
[INFO] [stdout] 15 |     pub b_line: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 16 |     pub flags: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 17 |     /// The record format version
[INFO] [stdout] 18 |     pub format: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecordHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     file: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     system_tables: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn columns(file: String, table: String) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn columns(file: String, table: String) -> Result<(), Error> {
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn rows(file: String, table: String) -> Result<(), Error> {
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn rows(file: String, table: String) -> Result<(), Error> {
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rfirebird` (bin "rfirebird") due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     file: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     system_tables: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn columns(file: String, table: String) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn columns(file: String, table: String) -> Result<(), Error> {
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn rows(file: String, table: String) -> Result<(), Error> {
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn rows(file: String, table: String) -> Result<(), Error> {
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rfirebird` (bin "rfirebird" test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "c5206a6f8b869eba594247dd65442dbbe0153f24c9a8bbb8f6f17d7327a4469d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5206a6f8b869eba594247dd65442dbbe0153f24c9a8bbb8f6f17d7327a4469d", kill_on_drop: false }`
[INFO] [stdout] c5206a6f8b869eba594247dd65442dbbe0153f24c9a8bbb8f6f17d7327a4469d
