[INFO] fetching crate query-flow 0.1.0... [INFO] checking query-flow-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate query-flow 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate query-flow 0.1.0 [INFO] finished tweaking crates.io crate query-flow 0.1.0 [INFO] tweaked toml for crates.io crate query-flow 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate query-flow 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 query-flow 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2f031d30a54f34ed4dc878b3a8b0a65989f09e8cdb00e4aadc42fb32bdc33f96 [INFO] running `Command { std: "docker" "start" "-a" "2f031d30a54f34ed4dc878b3a8b0a65989f09e8cdb00e4aadc42fb32bdc33f96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f031d30a54f34ed4dc878b3a8b0a65989f09e8cdb00e4aadc42fb32bdc33f96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f031d30a54f34ed4dc878b3a8b0a65989f09e8cdb00e4aadc42fb32bdc33f96", kill_on_drop: false }` [INFO] [stdout] 2f031d30a54f34ed4dc878b3a8b0a65989f09e8cdb00e4aadc42fb32bdc33f96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9d19e96ce24bcacc3e6e79c7e014025120466a2db2bf099880c82756a7799b86 [INFO] running `Command { std: "docker" "start" "-a" "9d19e96ce24bcacc3e6e79c7e014025120466a2db2bf099880c82756a7799b86", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking query-flow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `query` [INFO] [stdout] --> src/query/context.rs:8:35 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn query(&self, query: Q) -> Result, Error> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_query` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/query_graph.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct QueryId(usize); [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: unused variable: `query` [INFO] [stdout] --> src/query/context.rs:8:35 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn query(&self, query: Q) -> Result, Error> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_query` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/query_graph.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct QueryId(usize); [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] error: this type will no longer be must used: Result, error::Error> [INFO] [stdout] --> src/query/context.rs:8:78 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn query(&self, query: Q) -> Result, Error> { [INFO] [stdout] | ______________________________________________________________________________^ [INFO] [stdout] 9 | | todo!() [INFO] [stdout] 10 | | } [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, error::Error> [INFO] [stdout] --> src/query/context.rs:8:78 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn query(&self, query: Q) -> Result, Error> { [INFO] [stdout] | ______________________________________________________________________________^ [INFO] [stdout] 9 | | todo!() [INFO] [stdout] 10 | | } [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 `query-flow` (lib) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `query-flow` (lib test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9d19e96ce24bcacc3e6e79c7e014025120466a2db2bf099880c82756a7799b86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d19e96ce24bcacc3e6e79c7e014025120466a2db2bf099880c82756a7799b86", kill_on_drop: false }` [INFO] [stdout] 9d19e96ce24bcacc3e6e79c7e014025120466a2db2bf099880c82756a7799b86