[INFO] updating cached repository https://github.com/kiyami/rust-plot-examples [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 82c4ee77c907a9f0cb069834af232687fc947ce2 [INFO] testing kiyami/rust-plot-examples against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiyami%2Frust-plot-examples" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kiyami/rust-plot-examples on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/kiyami/rust-plot-examples [INFO] finished tweaking git repo https://github.com/kiyami/rust-plot-examples [INFO] tweaked toml for git repo https://github.com/kiyami/rust-plot-examples written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/kiyami/rust-plot-examples already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fb210f633eb5cb16ab8a3e12e146ba7dc778f6694eb601e0102be137b700778b [INFO] running `"docker" "start" "-a" "fb210f633eb5cb16ab8a3e12e146ba7dc778f6694eb601e0102be137b700778b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling palette v0.5.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling float-ord v0.2.0 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling regex-syntax v0.6.16 [INFO] [stderr] Compiling oorandom v11.1.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling jpeg-decoder v0.1.18 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand_xorshift v0.2.0 [INFO] [stderr] Compiling png v0.15.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling freetype v0.4.1 [INFO] [stderr] Compiling servo-fontconfig v0.4.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling criterion-plot v0.4.1 [INFO] [stderr] Compiling euclid v0.20.7 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling rusttype v0.8.2 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling rand_distr v0.2.2 [INFO] [stderr] Compiling image v0.22.5 [INFO] [stderr] Compiling lyon_geom v0.14.1 [INFO] [stderr] Compiling lyon_path v0.14.0 [INFO] [stderr] Compiling font-kit v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling bstr v0.2.11 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stderr] Compiling palette_derive v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling plotters v0.2.12 [INFO] [stderr] Compiling criterion v0.3.1 [INFO] [stderr] Compiling plotters-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/lib.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:44 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:61 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/lib.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:44 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:61 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `plotters::prelude::*` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use plotters::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/main.rs:13:18 [INFO] [stderr] | [INFO] [stderr] 13 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `range` [INFO] [stderr] --> src/lib.rs:183:8 [INFO] [stderr] | [INFO] [stderr] 183 | pub fn range(min_val: f64, max_val: f64, n: usize) -> Vec { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | scatter(&data); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | plot(&data); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | scatter_error(&data_err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | scatter_error2(&data_err2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | scatter_error3(&data_err3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | draw_function(&square, (-1.5,3.2), (0.0,12.0)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 00s [INFO] running `"docker" "inspect" "fb210f633eb5cb16ab8a3e12e146ba7dc778f6694eb601e0102be137b700778b"` [INFO] running `"docker" "rm" "-f" "fb210f633eb5cb16ab8a3e12e146ba7dc778f6694eb601e0102be137b700778b"` [INFO] [stdout] fb210f633eb5cb16ab8a3e12e146ba7dc778f6694eb601e0102be137b700778b [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ca83fd7593adc17021bf0128c3ea36ec55e08fb496e23e7133de1964fd1c6b83 [INFO] running `"docker" "start" "-a" "ca83fd7593adc17021bf0128c3ea36ec55e08fb496e23e7133de1964fd1c6b83"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling plotters-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/lib.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:44 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:61 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/lib.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:44 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:61 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/lib.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:44 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:61 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `plotters::prelude::*` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use plotters::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/main.rs:13:18 [INFO] [stderr] | [INFO] [stderr] 13 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `range` [INFO] [stderr] --> src/lib.rs:183:8 [INFO] [stderr] | [INFO] [stderr] 183 | pub fn range(min_val: f64, max_val: f64, n: usize) -> Vec { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | scatter(&data); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | plot(&data); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | scatter_error(&data_err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | scatter_error2(&data_err2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | scatter_error3(&data_err3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | draw_function(&square, (-1.5,3.2), (0.0,12.0)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `"docker" "inspect" "ca83fd7593adc17021bf0128c3ea36ec55e08fb496e23e7133de1964fd1c6b83"` [INFO] running `"docker" "rm" "-f" "ca83fd7593adc17021bf0128c3ea36ec55e08fb496e23e7133de1964fd1c6b83"` [INFO] [stdout] ca83fd7593adc17021bf0128c3ea36ec55e08fb496e23e7133de1964fd1c6b83 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stdout] 121bdf95a599bbdf6a12bd84fd19180f344ba4bc68a364d86ca965e09dd5297c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "121bdf95a599bbdf6a12bd84fd19180f344ba4bc68a364d86ca965e09dd5297c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/lib.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:44 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:61 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/lib.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:44 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:61 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/lib.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:44 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:134:61 [INFO] [stderr] | [INFO] [stderr] 134 | ErrorBar::new_vertical(*x, (*y-*y_err), *y, (*y+*y_err), BLUE.filled(), 10) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `plotters::prelude::*` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use plotters::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::SeedableRng` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rand::SeedableRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Distribution`, `Normal` [INFO] [stderr] --> src/main.rs:13:18 [INFO] [stderr] | [INFO] [stderr] 13 | use rand_distr::{Distribution, Normal}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_xorshift::XorShiftRng` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use rand_xorshift::XorShiftRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::sign::Signed` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use num_traits::sign::Signed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `range` [INFO] [stderr] --> src/lib.rs:183:8 [INFO] [stderr] | [INFO] [stderr] 183 | pub fn range(min_val: f64, max_val: f64, n: usize) -> Vec { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | scatter(&data); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | plot(&data); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | scatter_error(&data_err); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | scatter_error2(&data_err2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | scatter_error3(&data_err3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | draw_function(&square, (-1.5,3.2), (0.0,12.0)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/plotters_example-d11d78070d018e99 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/plotters_example-787cf6abcdd160dc [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests plotters-example [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "121bdf95a599bbdf6a12bd84fd19180f344ba4bc68a364d86ca965e09dd5297c"` [INFO] running `"docker" "rm" "-f" "121bdf95a599bbdf6a12bd84fd19180f344ba4bc68a364d86ca965e09dd5297c"` [INFO] [stdout] 121bdf95a599bbdf6a12bd84fd19180f344ba4bc68a364d86ca965e09dd5297c