[INFO] crate matplotrust 0.1.7 is already in cache [INFO] extracting crate matplotrust 0.1.7 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/matplotrust/0.1.7 [INFO] extracting crate matplotrust 0.1.7 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/matplotrust/0.1.7 [INFO] validating manifest of matplotrust-0.1.7 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of matplotrust-0.1.7 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing matplotrust-0.1.7 [INFO] finished frobbing matplotrust-0.1.7 [INFO] frobbed toml for matplotrust-0.1.7 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/matplotrust/0.1.7/Cargo.toml [INFO] started frobbing matplotrust-0.1.7 [INFO] finished frobbing matplotrust-0.1.7 [INFO] frobbed toml for matplotrust-0.1.7 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/matplotrust/0.1.7/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking matplotrust-0.1.7 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/matplotrust/0.1.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b00460e99b28912153c3b9a8f1eb8e0cfdb6b3463e59e2ea9d473d841ac33f5a [INFO] running `"docker" "start" "-a" "b00460e99b28912153c3b9a8f1eb8e0cfdb6b3463e59e2ea9d473d841ac33f5a"` [INFO] [stderr] Checking special v0.8.1 [INFO] [stderr] Checking matplotrust v0.1.7 (/opt/crater/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] Checking probability v0.15.12 [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: 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: 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] Finished dev [unoptimized + debuginfo] target(s) in 2.20s [INFO] running `"docker" "inspect" "b00460e99b28912153c3b9a8f1eb8e0cfdb6b3463e59e2ea9d473d841ac33f5a"` [INFO] running `"docker" "rm" "-f" "b00460e99b28912153c3b9a8f1eb8e0cfdb6b3463e59e2ea9d473d841ac33f5a"` [INFO] [stdout] b00460e99b28912153c3b9a8f1eb8e0cfdb6b3463e59e2ea9d473d841ac33f5a