[INFO] cloning repository https://github.com/Mort1B/rust-array-scramble [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mort1B/rust-array-scramble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMort1B%2Frust-array-scramble", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMort1B%2Frust-array-scramble'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 729cba4f9082582c1d0a33ab8de54729a369a661 [INFO] checking Mort1B/rust-array-scramble against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMort1B%2Frust-array-scramble" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mort1B/rust-array-scramble on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Mort1B/rust-array-scramble [INFO] finished tweaking git repo https://github.com/Mort1B/rust-array-scramble [INFO] tweaked toml for git repo https://github.com/Mort1B/rust-array-scramble written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Mort1B/rust-array-scramble 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ndarray-stats v0.5.0 [INFO] [stderr] Downloaded tagger v4.3.3 [INFO] [stderr] Downloaded poloto v11.1.6 [INFO] [stderr] Downloaded ndarray-rand v0.14.0 [INFO] [stderr] Downloaded num-complex v0.4.1 [INFO] [stderr] Downloaded noisy_float v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e69e5f300faaf63fdd838140edd2317d2e38c04cb0dc4f4b93e881afb4654748 [INFO] running `Command { std: "docker" "start" "-a" "e69e5f300faaf63fdd838140edd2317d2e38c04cb0dc4f4b93e881afb4654748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e69e5f300faaf63fdd838140edd2317d2e38c04cb0dc4f4b93e881afb4654748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e69e5f300faaf63fdd838140edd2317d2e38c04cb0dc4f4b93e881afb4654748", kill_on_drop: false }` [INFO] [stdout] e69e5f300faaf63fdd838140edd2317d2e38c04cb0dc4f4b93e881afb4654748 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62c62084b60621e974d74e90c184a50bd0992c02b926eb38350b3a5c2cb0df06 [INFO] running `Command { std: "docker" "start" "-a" "62c62084b60621e974d74e90c184a50bd0992c02b926eb38350b3a5c2cb0df06", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libm v0.2.2 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking tagger v4.3.3 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.1 [INFO] [stderr] Checking noisy_float v0.2.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking poloto v11.1.6 [INFO] [stderr] Checking ndarray-rand v0.14.0 [INFO] [stderr] Checking ndarray-stats v0.5.0 [INFO] [stderr] Checking rust-ds v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `StandardNormal` [INFO] [stdout] --> src/main.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | use ndarray_rand::rand_distr::{StandardNormal, Uniform}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `GridBuilder`, `strategies::Sqrt` [INFO] [stdout] --> src/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use ndarray_stats::histogram::{strategies::Sqrt, GridBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray_stats::HistogramExt` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use ndarray_stats::HistogramExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `N64`, `n64` [INFO] [stdout] --> src/main.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use noisy_float::types::{n64, N64}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StandardNormal` [INFO] [stdout] --> src/main.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | use ndarray_rand::rand_distr::{StandardNormal, Uniform}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `GridBuilder`, `strategies::Sqrt` [INFO] [stdout] --> src/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use ndarray_stats::histogram::{strategies::Sqrt, GridBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray_stats::HistogramExt` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use ndarray_stats::HistogramExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `N64`, `n64` [INFO] [stdout] --> src/main.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use noisy_float::types::{n64, N64}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "62c62084b60621e974d74e90c184a50bd0992c02b926eb38350b3a5c2cb0df06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62c62084b60621e974d74e90c184a50bd0992c02b926eb38350b3a5c2cb0df06", kill_on_drop: false }` [INFO] [stdout] 62c62084b60621e974d74e90c184a50bd0992c02b926eb38350b3a5c2cb0df06 [INFO] checking Mort1B/rust-array-scramble against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMort1B%2Frust-array-scramble" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mort1B/rust-array-scramble on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Mort1B/rust-array-scramble [INFO] finished tweaking git repo https://github.com/Mort1B/rust-array-scramble [INFO] tweaked toml for git repo https://github.com/Mort1B/rust-array-scramble written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Mort1B/rust-array-scramble 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25337f7e3ef29b96f8ee715b5b999913c5fa15f666bfc554b1a3cb625ef2a164 [INFO] running `Command { std: "docker" "start" "-a" "25337f7e3ef29b96f8ee715b5b999913c5fa15f666bfc554b1a3cb625ef2a164", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25337f7e3ef29b96f8ee715b5b999913c5fa15f666bfc554b1a3cb625ef2a164", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25337f7e3ef29b96f8ee715b5b999913c5fa15f666bfc554b1a3cb625ef2a164", kill_on_drop: false }` [INFO] [stdout] 25337f7e3ef29b96f8ee715b5b999913c5fa15f666bfc554b1a3cb625ef2a164 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfb6990df45b808fbbf6d62bade6d8e6ec7ece50041ed241442ae8af1caa62cd [INFO] running `Command { std: "docker" "start" "-a" "bfb6990df45b808fbbf6d62bade6d8e6ec7ece50041ed241442ae8af1caa62cd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libm v0.2.2 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking tagger v4.3.3 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.1 [INFO] [stderr] Checking noisy_float v0.2.0 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking poloto v11.1.6 [INFO] [stderr] Checking ndarray-stats v0.5.0 [INFO] [stderr] Checking ndarray-rand v0.14.0 [INFO] [stderr] Checking rust-ds v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `StandardNormal` [INFO] [stdout] --> src/main.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | use ndarray_rand::rand_distr::{StandardNormal, Uniform}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `GridBuilder`, `strategies::Sqrt` [INFO] [stdout] --> src/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use ndarray_stats::histogram::{strategies::Sqrt, GridBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray_stats::HistogramExt` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use ndarray_stats::HistogramExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `N64`, `n64` [INFO] [stdout] --> src/main.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use noisy_float::types::{n64, N64}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StandardNormal` [INFO] [stdout] --> src/main.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | use ndarray_rand::rand_distr::{StandardNormal, Uniform}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `GridBuilder`, `strategies::Sqrt` [INFO] [stdout] --> src/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use ndarray_stats::histogram::{strategies::Sqrt, GridBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray_stats::HistogramExt` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use ndarray_stats::HistogramExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `N64`, `n64` [INFO] [stdout] --> src/main.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use noisy_float::types::{n64, N64}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.52s [INFO] running `Command { std: "docker" "inspect" "bfb6990df45b808fbbf6d62bade6d8e6ec7ece50041ed241442ae8af1caa62cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfb6990df45b808fbbf6d62bade6d8e6ec7ece50041ed241442ae8af1caa62cd", kill_on_drop: false }` [INFO] [stdout] bfb6990df45b808fbbf6d62bade6d8e6ec7ece50041ed241442ae8af1caa62cd