[INFO] crate matplotrust 0.1.7 is already in cache [INFO] checking matplotrust-0.1.7 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate matplotrust 0.1.7 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate matplotrust 0.1.7 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate matplotrust 0.1.7 [INFO] finished tweaking crates.io crate matplotrust 0.1.7 [INFO] tweaked toml for crates.io crate matplotrust 0.1.7 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f95a41c18bbc346bd6adc33cc2ff2952c30faf6354f0c955dfbd643a3dc3871a [INFO] running `"docker" "start" "-a" "f95a41c18bbc346bd6adc33cc2ff2952c30faf6354f0c955dfbd643a3dc3871a"` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking random v0.12.2 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking special v0.8.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking probability v0.15.12 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking jpeg-decoder v0.1.19 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.3 [INFO] [stderr] Checking matplotrust v0.1.7 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stderr] --> src/lib.rs:14:28 [INFO] [stderr] | [INFO] [stderr] 14 | use std::io::{Write, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::GenericImage` [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use image::GenericImage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::Pixels` [INFO] [stderr] --> src/lib.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use image::Pixels; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::Pixel` [INFO] [stderr] --> src/lib.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use image::Pixel; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `base64::encode` [INFO] [stderr] --> src/lib.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use base64::encode; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant `Triangle_Down` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | Triangle_Down, [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TriangleDown` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `Triangle_Up` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | Triangle_Up, [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TriangleUp` [INFO] [stderr] [INFO] [stderr] warning: variant `Triangle_Left` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | Triangle_Left, [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TriangleLeft` [INFO] [stderr] [INFO] [stderr] warning: variant `Triangle_Right` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | Triangle_Right, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TriangleRight` [INFO] [stderr] [INFO] [stderr] warning: variant `Tri_Down` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | Tri_Down, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `TriDown` [INFO] [stderr] [INFO] [stderr] warning: variant `Tri_Up` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | Tri_Up, [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper camel case: `TriUp` [INFO] [stderr] [INFO] [stderr] warning: variant `Tri_Left` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | Tri_Left, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `TriLeft` [INFO] [stderr] [INFO] [stderr] warning: variant `Tri_Right` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | Tri_Right, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to upper camel case: `TriRight` [INFO] [stderr] [INFO] [stderr] warning: variant `Thin_Diamond` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | Thin_Diamond, [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ThinDiamond` [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stderr] --> src/lib.rs:14:28 [INFO] [stderr] | [INFO] [stderr] 14 | use std::io::{Write, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::GenericImage` [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use image::GenericImage; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::Pixels` [INFO] [stderr] --> src/lib.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use image::Pixels; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::Pixel` [INFO] [stderr] --> src/lib.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use image::Pixel; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `base64::encode` [INFO] [stderr] --> src/lib.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use base64::encode; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant `Triangle_Down` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | Triangle_Down, [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TriangleDown` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `Triangle_Up` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | Triangle_Up, [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TriangleUp` [INFO] [stderr] [INFO] [stderr] warning: variant `Triangle_Left` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | Triangle_Left, [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TriangleLeft` [INFO] [stderr] [INFO] [stderr] warning: variant `Triangle_Right` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | Triangle_Right, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TriangleRight` [INFO] [stderr] [INFO] [stderr] warning: variant `Tri_Down` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | Tri_Down, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `TriDown` [INFO] [stderr] [INFO] [stderr] warning: variant `Tri_Up` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | Tri_Up, [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper camel case: `TriUp` [INFO] [stderr] [INFO] [stderr] warning: variant `Tri_Left` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | Tri_Left, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `TriLeft` [INFO] [stderr] [INFO] [stderr] warning: variant `Tri_Right` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | Tri_Right, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to upper camel case: `TriRight` [INFO] [stderr] [INFO] [stderr] warning: variant `Thin_Diamond` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | Thin_Diamond, [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ThinDiamond` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | let mut tmpfile: NamedTempFile = tempfile::NamedTempFile::new().unwrap(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 123 | tmpfile.write_all(self.script.as_bytes()); [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: structure field `lineStyle` should have a snake case name [INFO] [stderr] --> src/lib.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | pub lineStyle: Option, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `line_style` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:198:9 [INFO] [stderr] | [INFO] [stderr] 198 | fmt.write_str(&options.join(", ")); [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/lib.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | fmt.write_str(&options.join(", ")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 19 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | let mut tmpfile: NamedTempFile = tempfile::NamedTempFile::new().unwrap(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:371:13 [INFO] [stderr] | [INFO] [stderr] 371 | let mut sampler = Independent(&gaussian, &mut source); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:383:13 [INFO] [stderr] | [INFO] [stderr] 383 | let mut sampler = Independent(&gaussian, &mut source); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:395:13 [INFO] [stderr] | [INFO] [stderr] 395 | let mut sampler = Independent(&gaussian, &mut source); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:415:13 [INFO] [stderr] | [INFO] [stderr] 415 | let mut sampler = Independent(&gaussian, &mut source); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:433:13 [INFO] [stderr] | [INFO] [stderr] 433 | let mut sampler = Independent(&gaussian, &mut source); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 123 | tmpfile.write_all(self.script.as_bytes()); [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: structure field `lineStyle` should have a snake case name [INFO] [stderr] --> src/lib.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | pub lineStyle: Option, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `line_style` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:198:9 [INFO] [stderr] | [INFO] [stderr] 198 | fmt.write_str(&options.join(", ")); [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/lib.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | fmt.write_str(&options.join(", ")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 25 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.31s [INFO] running `"docker" "inspect" "f95a41c18bbc346bd6adc33cc2ff2952c30faf6354f0c955dfbd643a3dc3871a"` [INFO] running `"docker" "rm" "-f" "f95a41c18bbc346bd6adc33cc2ff2952c30faf6354f0c955dfbd643a3dc3871a"` [INFO] [stdout] f95a41c18bbc346bd6adc33cc2ff2952c30faf6354f0c955dfbd643a3dc3871a