[INFO] cloning repository https://github.com/fpdotmonkey/lalg [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fpdotmonkey/lalg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpdotmonkey%2Flalg", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpdotmonkey%2Flalg'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aaa61642706e0f156499a0ac3d07fc9cdf3d76d8 [INFO] checking fpdotmonkey/lalg against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpdotmonkey%2Flalg" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fpdotmonkey/lalg on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fpdotmonkey/lalg [INFO] finished tweaking git repo https://github.com/fpdotmonkey/lalg [INFO] tweaked toml for git repo https://github.com/fpdotmonkey/lalg written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fpdotmonkey/lalg 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proptest-derive v0.4.0 [INFO] [stderr] Downloaded float_eq v1.0.1 [INFO] [stderr] Downloaded proptest v1.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4f5caab72f7ab709c61f80c9749d293852a1bdeafb51d76641e89887a13f9a1 [INFO] running `Command { std: "docker" "start" "-a" "f4f5caab72f7ab709c61f80c9749d293852a1bdeafb51d76641e89887a13f9a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4f5caab72f7ab709c61f80c9749d293852a1bdeafb51d76641e89887a13f9a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4f5caab72f7ab709c61f80c9749d293852a1bdeafb51d76641e89887a13f9a1", kill_on_drop: false }` [INFO] [stdout] f4f5caab72f7ab709c61f80c9749d293852a1bdeafb51d76641e89887a13f9a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3b2b6e0bb66efac515278444b717c8d09d082b1f4546e0d8960a4aaeb00a067 [INFO] running `Command { std: "docker" "start" "-a" "c3b2b6e0bb66efac515278444b717c8d09d082b1f4546e0d8960a4aaeb00a067", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking linux-raw-sys v0.4.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking float_eq v1.0.1 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking lalg v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:189:26 [INFO] [stdout] | [INFO] [stdout] 189 | .intersperse(", ".into()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:192:18 [INFO] [stdout] | [INFO] [stdout] 192 | .intersperse("; ".into()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `zero`, and `transpose` are never used [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl Matrix { [INFO] [stdout] | ------------------------------------------------------------- associated items in this implementation [INFO] [stdout] 30 | fn new(data: [[Scalar; COLS]; ROWS]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn zero() -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | fn transpose(&self) -> Matrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `inverse` and `determinant` are never used [INFO] [stdout] --> src/main.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 89 | impl Matrix { [INFO] [stdout] | ------------------------------------------ methods in this implementation [INFO] [stdout] 90 | fn inverse(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn determinant(&self) -> Scalar { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.3.1 [INFO] [stderr] Compiling proptest-derive v0.4.0 [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:189:26 [INFO] [stdout] | [INFO] [stdout] 189 | .intersperse(", ".into()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:192:18 [INFO] [stdout] | [INFO] [stdout] 192 | .intersperse("; ".into()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.27s [INFO] running `Command { std: "docker" "inspect" "c3b2b6e0bb66efac515278444b717c8d09d082b1f4546e0d8960a4aaeb00a067", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3b2b6e0bb66efac515278444b717c8d09d082b1f4546e0d8960a4aaeb00a067", kill_on_drop: false }` [INFO] [stdout] c3b2b6e0bb66efac515278444b717c8d09d082b1f4546e0d8960a4aaeb00a067