[INFO] fetching crate logic-rs 0.1.1... [INFO] checking logic-rs-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate logic-rs 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate logic-rs 0.1.1 [INFO] finished tweaking crates.io crate logic-rs 0.1.1 [INFO] tweaked toml for crates.io crate logic-rs 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate logic-rs 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding csv v1.1.6 (available: v1.4.0) [INFO] [stderr] Adding ordered-float v2.8.0 (available: v2.10.1) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4ee56158fdef6ff0867d9b667cdf57ff11bc989a6f1c246a340ce25f4ea07c9a [INFO] running `Command { std: "docker" "start" "-a" "4ee56158fdef6ff0867d9b667cdf57ff11bc989a6f1c246a340ce25f4ea07c9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ee56158fdef6ff0867d9b667cdf57ff11bc989a6f1c246a340ce25f4ea07c9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ee56158fdef6ff0867d9b667cdf57ff11bc989a6f1c246a340ce25f4ea07c9a", kill_on_drop: false }` [INFO] [stdout] 4ee56158fdef6ff0867d9b667cdf57ff11bc989a6f1c246a340ce25f4ea07c9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a849b6f088bc06f3bd93b2eb91b24471077ef2920a2aa4054817620cb5642239 [INFO] running `Command { std: "docker" "start" "-a" "a849b6f088bc06f3bd93b2eb91b24471077ef2920a2aa4054817620cb5642239", kill_on_drop: false }` [INFO] [stderr] Checking ordered-float v2.8.0 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking logic-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking csv v1.1.6 [INFO] [stdout] warning: unused variable: `trace` [INFO] [stdout] --> src/operators/until.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 34 | fn satisfied_by(&self, trace: &Trace) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_trace` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trace` [INFO] [stdout] --> src/operators/until.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | fn distance(&self, trace: &Trace) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_trace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Freeze` is never constructed [INFO] [stdout] --> src/operators/freeze.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Freeze

{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/operators/freeze.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl

Freeze

{ [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 7 | pub fn new(name: &str, phi: P) -> Freeze

{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Until` is never constructed [INFO] [stdout] --> src/operators/until.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Until { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `new_bounded` are never used [INFO] [stdout] --> src/operators/until.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Until { [INFO] [stdout] | ---------------------- associated functions in this implementation [INFO] [stdout] 14 | pub fn new(phi: P, rho: R) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn new_bounded>(phi: P, rho: R, bounds: B) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/trace.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 60 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/trace.rs:66:18 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn times(&self) -> Times { [INFO] [stdout] | ^^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 66 | pub fn times(&self) -> Times<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/trace.rs:105:24 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn first_state(&self) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 105 | pub fn first_state(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/literals.rs:19:69 [INFO] [stdout] | [INFO] [stdout] 19 | fn satisfied_by(&self, _value: &T) -> Result { [INFO] [stdout] | _____________________________________________________________________^ [INFO] [stdout] 20 | | Ok(true) [INFO] [stdout] 21 | | } [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 [INFO] [stdout] --> src/literals.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | Ok(true) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/literals.rs:29:69 [INFO] [stdout] | [INFO] [stdout] 29 | fn satisfied_by(&self, _value: &T) -> Result { [INFO] [stdout] | _____________________________________________________________________^ [INFO] [stdout] 30 | | Ok(false) [INFO] [stdout] 31 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/literals.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | Ok(false) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `logic-rs` (lib) due to 4 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a849b6f088bc06f3bd93b2eb91b24471077ef2920a2aa4054817620cb5642239", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a849b6f088bc06f3bd93b2eb91b24471077ef2920a2aa4054817620cb5642239", kill_on_drop: false }` [INFO] [stdout] a849b6f088bc06f3bd93b2eb91b24471077ef2920a2aa4054817620cb5642239