[INFO] cloning repository https://github.com/jmagaram/keylayout [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmagaram/keylayout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmagaram%2Fkeylayout", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmagaram%2Fkeylayout'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e67e6536deb4067b715d4fc07c9f7bb5f8a6ffd9 [INFO] checking jmagaram/keylayout against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmagaram%2Fkeylayout" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jmagaram/keylayout [INFO] finished tweaking git repo https://github.com/jmagaram/keylayout [INFO] tweaked toml for git repo https://github.com/jmagaram/keylayout written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jmagaram/keylayout 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 git repo https://github.com/jmagaram/keylayout 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-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] 9b93348de0388d8e0d3a625a489a98b160ccec3f1da2065a42419d611dd1b534 [INFO] running `Command { std: "docker" "start" "-a" "9b93348de0388d8e0d3a625a489a98b160ccec3f1da2065a42419d611dd1b534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b93348de0388d8e0d3a625a489a98b160ccec3f1da2065a42419d611dd1b534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b93348de0388d8e0d3a625a489a98b160ccec3f1da2065a42419d611dd1b534", kill_on_drop: false }` [INFO] [stdout] 9b93348de0388d8e0d3a625a489a98b160ccec3f1da2065a42419d611dd1b534 [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] 790e4806c235cfde16c43ecb1a90a9102a103029e8e9b6d219d2babfea25caa5 [INFO] running `Command { std: "docker" "start" "-a" "790e4806c235cfde16c43ecb1a90a9102a103029e8e9b6d219d2babfea25caa5", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.200 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling cc v1.0.94 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking shell-words v1.1.0 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Checking fallible-iterator v0.3.0 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking ahash v0.8.11 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking thousands v0.2.0 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking rayon-core v1.12.1 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking hashlink v0.9.1 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Compiling libsqlite3-sys v0.28.0 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling serde_derive v1.0.200 [INFO] [stderr] Compiling thiserror-impl v1.0.59 [INFO] [stderr] Checking thiserror v1.0.59 [INFO] [stderr] Checking dialoguer v0.11.0 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stderr] Checking rusqlite v0.31.0 [INFO] [stderr] Checking keylayout v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `single_key_penalties` is never read [INFO] [stdout] --> src/genetic.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Genetic<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 25 | single_key_penalties: &'a SingleKeyPenalties, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SubsetSeed` is never constructed [INFO] [stdout] --> src/key.rs:273:16 [INFO] [stdout] | [INFO] [stdout] 273 | pub struct SubsetSeed { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/genetic.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | self.sender.send(StatusMessage::CalculatedEstimate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = self.sender.send(StatusMessage::CalculatedEstimate); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/genetic.rs:76:25 [INFO] [stdout] | [INFO] [stdout] 76 | self.sender.send(StatusMessage::CalulatedPrecise); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = self.sender.send(StatusMessage::CalulatedPrecise); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/key.rs:229:34 [INFO] [stdout] | [INFO] [stdout] 229 | letters_count >= size.try_into().unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/keyboard.rs:398:32 [INFO] [stdout] | [INFO] [stdout] 396 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 397 | dictionary: &'a Dictionary, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 398 | ) -> impl Iterator { [INFO] [stdout] | ^^^^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 398 | ) -> impl Iterator { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `keylayout` (lib) due to 1 previous error; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `single_key_penalties` is never read [INFO] [stdout] --> src/genetic.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Genetic<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 25 | single_key_penalties: &'a SingleKeyPenalties, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/genetic.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | self.sender.send(StatusMessage::CalculatedEstimate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = self.sender.send(StatusMessage::CalculatedEstimate); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/genetic.rs:76:25 [INFO] [stdout] | [INFO] [stdout] 76 | self.sender.send(StatusMessage::CalulatedPrecise); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = self.sender.send(StatusMessage::CalulatedPrecise); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/key.rs:229:34 [INFO] [stdout] | [INFO] [stdout] 229 | letters_count >= size.try_into().unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/keyboard.rs:398:32 [INFO] [stdout] | [INFO] [stdout] 396 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 397 | dictionary: &'a Dictionary, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 398 | ) -> impl Iterator { [INFO] [stdout] | ^^^^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 398 | ) -> impl Iterator { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `keylayout` (lib test) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "790e4806c235cfde16c43ecb1a90a9102a103029e8e9b6d219d2babfea25caa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "790e4806c235cfde16c43ecb1a90a9102a103029e8e9b6d219d2babfea25caa5", kill_on_drop: false }` [INFO] [stdout] 790e4806c235cfde16c43ecb1a90a9102a103029e8e9b6d219d2babfea25caa5