[INFO] fetching crate tpe 0.2.0... [INFO] checking tpe-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate tpe 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate tpe 0.2.0 [INFO] finished tweaking crates.io crate tpe 0.2.0 [INFO] tweaked toml for crates.io crate tpe 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tpe 0.2.0 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 tpe 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b890bbe04903464d166954c548fd42c8daa9f29bfe343bf0e21422afb87d13cf [INFO] running `Command { std: "docker" "start" "-a" "b890bbe04903464d166954c548fd42c8daa9f29bfe343bf0e21422afb87d13cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b890bbe04903464d166954c548fd42c8daa9f29bfe343bf0e21422afb87d13cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b890bbe04903464d166954c548fd42c8daa9f29bfe343bf0e21422afb87d13cf", kill_on_drop: false }` [INFO] [stdout] b890bbe04903464d166954c548fd42c8daa9f29bfe343bf0e21422afb87d13cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 932acdada1c1a1d7a2c2b4f5181693770012c49cc91c4be9d759bd47c9ef8c50 [INFO] running `Command { std: "docker" "start" "-a" "932acdada1c1a1d7a2c2b4f5181693770012c49cc91c4be9d759bd47c9ef8c50", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling rlua v0.17.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Checking fastrand v1.6.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking approx v0.5.0 [INFO] [stderr] Checking ordered-float v2.10.0 [INFO] [stderr] Checking rand_distr v0.4.2 [INFO] [stderr] Checking simba v0.5.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling trackable_derive v1.0.0 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking trackable v1.2.0 [INFO] [stderr] Checking trackable v0.2.24 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking nalgebra v0.27.1 [INFO] [stderr] Checking kurobako_core v0.1.11 [INFO] [stderr] Checking statrs v0.15.0 [INFO] [stderr] Checking tpe v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | / { [INFO] [stdout] 82 | | match self { [INFO] [stdout] 83 | | Self::Parzen(t) => t [INFO] [stdout] 84 | | .build_density_estimator(params, range) [INFO] [stdout] ... | [INFO] [stdout] 90 | | } [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/density_estimation.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | / match self { [INFO] [stdout] 83 | | Self::Parzen(t) => t [INFO] [stdout] 84 | | .build_density_estimator(params, range) [INFO] [stdout] 85 | | .map(DefaultEstimator::Parzen), [INFO] [stdout] ... | [INFO] [stdout] 88 | | .map(DefaultEstimator::Histogram), [INFO] [stdout] 89 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:83:32 [INFO] [stdout] | [INFO] [stdout] 83 | Self::Parzen(t) => t [INFO] [stdout] | ________________________________^ [INFO] [stdout] 84 | | .build_density_estimator(params, range) [INFO] [stdout] 85 | | .map(DefaultEstimator::Parzen), [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:83:32 [INFO] [stdout] | [INFO] [stdout] 83 | Self::Parzen(t) => t [INFO] [stdout] | ________________________________^ [INFO] [stdout] 84 | | .build_density_estimator(params, range) [INFO] [stdout] | |_______________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:86:35 [INFO] [stdout] | [INFO] [stdout] 86 | Self::Histogram(t) => t [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 87 | | .build_density_estimator(params, range) [INFO] [stdout] 88 | | .map(DefaultEstimator::Histogram), [INFO] [stdout] | |_________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:86:35 [INFO] [stdout] | [INFO] [stdout] 86 | Self::Histogram(t) => t [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 87 | | .build_density_estimator(params, range) [INFO] [stdout] | |_______________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation/histogram.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / { [INFO] [stdout] 29 | | let cardinality = range.width().ceil() as usize; [INFO] [stdout] 30 | | let n = xs.clone().count() + cardinality; [INFO] [stdout] ... | [INFO] [stdout] 42 | | }) [INFO] [stdout] 43 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation/histogram.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | / Ok(HistogramEstimator { [INFO] [stdout] 40 | | probabilities, [INFO] [stdout] 41 | | distribution, [INFO] [stdout] 42 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation/parzen.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | / { [INFO] [stdout] 57 | | let prior = (range.start() + range.end()) * 0.5; [INFO] [stdout] 58 | | let mut xs = xs [INFO] [stdout] 59 | | .chain(std::iter::once(prior)) [INFO] [stdout] ... | [INFO] [stdout] 79 | | }) [INFO] [stdout] 80 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation/parzen.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | / Ok(ParzenEstimator { [INFO] [stdout] 76 | | samples: xs, [INFO] [stdout] 77 | | range, [INFO] [stdout] 78 | | p_accept, [INFO] [stdout] 79 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | / { [INFO] [stdout] 82 | | match self { [INFO] [stdout] 83 | | Self::Parzen(t) => t [INFO] [stdout] 84 | | .build_density_estimator(params, range) [INFO] [stdout] ... | [INFO] [stdout] 90 | | } [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/density_estimation.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | / match self { [INFO] [stdout] 83 | | Self::Parzen(t) => t [INFO] [stdout] 84 | | .build_density_estimator(params, range) [INFO] [stdout] 85 | | .map(DefaultEstimator::Parzen), [INFO] [stdout] ... | [INFO] [stdout] 88 | | .map(DefaultEstimator::Histogram), [INFO] [stdout] 89 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:83:32 [INFO] [stdout] | [INFO] [stdout] 83 | Self::Parzen(t) => t [INFO] [stdout] | ________________________________^ [INFO] [stdout] 84 | | .build_density_estimator(params, range) [INFO] [stdout] 85 | | .map(DefaultEstimator::Parzen), [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:83:32 [INFO] [stdout] | [INFO] [stdout] 83 | Self::Parzen(t) => t [INFO] [stdout] | ________________________________^ [INFO] [stdout] 84 | | .build_density_estimator(params, range) [INFO] [stdout] | |_______________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:86:35 [INFO] [stdout] | [INFO] [stdout] 86 | Self::Histogram(t) => t [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 87 | | .build_density_estimator(params, range) [INFO] [stdout] 88 | | .map(DefaultEstimator::Histogram), [INFO] [stdout] | |_________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation.rs:86:35 [INFO] [stdout] | [INFO] [stdout] 86 | Self::Histogram(t) => t [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 87 | | .build_density_estimator(params, range) [INFO] [stdout] | |_______________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation/histogram.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / { [INFO] [stdout] 29 | | let cardinality = range.width().ceil() as usize; [INFO] [stdout] 30 | | let n = xs.clone().count() + cardinality; [INFO] [stdout] ... | [INFO] [stdout] 42 | | }) [INFO] [stdout] 43 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation/histogram.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | / Ok(HistogramEstimator { [INFO] [stdout] 40 | | probabilities, [INFO] [stdout] 41 | | distribution, [INFO] [stdout] 42 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation/parzen.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | / { [INFO] [stdout] 57 | | let prior = (range.start() + range.end()) * 0.5; [INFO] [stdout] 58 | | let mut xs = xs [INFO] [stdout] 59 | | .chain(std::iter::once(prior)) [INFO] [stdout] ... | [INFO] [stdout] 79 | | }) [INFO] [stdout] 80 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/density_estimation/parzen.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | / Ok(ParzenEstimator { [INFO] [stdout] 76 | | samples: xs, [INFO] [stdout] 77 | | range, [INFO] [stdout] 78 | | p_accept, [INFO] [stdout] 79 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, f64> [INFO] [stdout] --> src/lib.rs:347:21 [INFO] [stdout] | [INFO] [stdout] 347 | let x = optim0.ask(&mut rng)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:347:21 [INFO] [stdout] | [INFO] [stdout] 347 | let x = optim0.ask(&mut rng)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, f64> [INFO] [stdout] --> src/lib.rs:348:21 [INFO] [stdout] | [INFO] [stdout] 348 | let y = optim1.ask(&mut rng)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:348:21 [INFO] [stdout] | [INFO] [stdout] 348 | let y = optim1.ask(&mut rng)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, f64> [INFO] [stdout] --> src/lib.rs:374:25 [INFO] [stdout] | [INFO] [stdout] 374 | let x = optim.ask(&mut rng)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:374:25 [INFO] [stdout] | [INFO] [stdout] 374 | let x = optim.ask(&mut rng)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, f64> [INFO] [stdout] --> src/lib.rs:398:25 [INFO] [stdout] | [INFO] [stdout] 398 | let x = optim.ask(&mut rng)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:398:25 [INFO] [stdout] | [INFO] [stdout] 398 | let x = optim.ask(&mut rng)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tpe` (lib) due to 10 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tpe` (lib test) due to 18 previous errors [INFO] running `Command { std: "docker" "inspect" "932acdada1c1a1d7a2c2b4f5181693770012c49cc91c4be9d759bd47c9ef8c50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "932acdada1c1a1d7a2c2b4f5181693770012c49cc91c4be9d759bd47c9ef8c50", kill_on_drop: false }` [INFO] [stdout] 932acdada1c1a1d7a2c2b4f5181693770012c49cc91c4be9d759bd47c9ef8c50