[INFO] fetching crate astrup 0.0.9...
[INFO] checking astrup-0.0.9 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate astrup 0.0.9 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate astrup 0.0.9 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate astrup 0.0.9
[INFO] finished tweaking crates.io crate astrup 0.0.9
[INFO] tweaked toml for crates.io crate astrup 0.0.9 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 115 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.23.0)
[INFO] [stderr]       Adding approx v0.1.1 (latest: v0.5.1)
[INFO] [stderr]       Adding atk-sys v0.5.0 (latest: v0.18.0)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.3.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding c_vec v1.2.1 (latest: v2.0.0)
[INFO] [stderr]       Adding cairo-rs v0.3.0 (latest: v0.20.0)
[INFO] [stderr]       Adding cairo-sys-rs v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding gdk v0.7.0 (latest: v0.18.0)
[INFO] [stderr]       Adding gdk-pixbuf v0.3.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gdk-pixbuf-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gdk-sys v0.5.0 (latest: v0.18.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.30.0)
[INFO] [stderr]       Adding gio v0.3.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gio-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding glib v0.4.1 (latest: v0.20.0)
[INFO] [stderr]       Adding glib-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gobject-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gtk v0.3.0 (latest: v0.18.1)
[INFO] [stderr]       Adding gtk-sys v0.5.0 (latest: v0.18.0)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.13.0)
[INFO] [stderr]       Adding matrixmultiply v0.1.15 (latest: v0.3.8)
[INFO] [stderr]       Adding ndarray v0.11.2 (latest: v0.15.6)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.2)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding palette v0.2.1 (latest: v0.7.6)
[INFO] [stderr]       Adding pango v0.3.0 (latest: v0.20.0)
[INFO] [stderr]       Adding pango-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding phf v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_codegen v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_generator v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rawpointer v0.1.0 (latest: v0.2.1)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding siphasher v0.2.3 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.71)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded time v0.1.45
[INFO] [stderr]   Downloaded phf v0.7.24
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded num-iter v0.1.45
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded csv-core v0.1.11
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded ndarray v0.11.2
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded csv v1.3.0
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded palette v0.2.1
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.5.0
[INFO] [stderr]   Downloaded gio-sys v0.5.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.3.0
[INFO] [stderr]   Downloaded c_vec v1.2.1
[INFO] [stderr]   Downloaded atk-sys v0.5.0
[INFO] [stderr]   Downloaded gdk v0.7.0
[INFO] [stderr]   Downloaded glib-sys v0.5.0
[INFO] [stderr]   Downloaded pango v0.3.0
[INFO] [stderr]   Downloaded cairo-rs v0.3.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.5.0
[INFO] [stderr]   Downloaded gio v0.3.0
[INFO] [stderr]   Downloaded pango-sys v0.5.0
[INFO] [stderr]   Downloaded gtk v0.3.0
[INFO] [stderr]   Downloaded gdk-sys v0.5.0
[INFO] [stderr]   Downloaded gtk-sys v0.5.0
[INFO] [stderr]   Downloaded glib v0.4.1
[INFO] [stderr]   Downloaded gobject-sys v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd5fe388cb2962c44f481651bdb3dd1a0e1482ae0b60764f3863e487a4548565
[INFO] running `Command { std: "docker" "start" "-a" "cd5fe388cb2962c44f481651bdb3dd1a0e1482ae0b60764f3863e487a4548565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd5fe388cb2962c44f481651bdb3dd1a0e1482ae0b60764f3863e487a4548565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5fe388cb2962c44f481651bdb3dd1a0e1482ae0b60764f3863e487a4548565", kill_on_drop: false }`
[INFO] [stdout] cd5fe388cb2962c44f481651bdb3dd1a0e1482ae0b60764f3863e487a4548565
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e8f4987f2ad374de462cb7a4e68b4e45b49259119ff77845d0c4068440f224
[INFO] running `Command { std: "docker" "start" "-a" "81e8f4987f2ad374de462cb7a4e68b4e45b49259119ff77845d0c4068440f224", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling cc v1.1.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling gio v0.3.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]    Compiling gdk v0.7.0
[INFO] [stderr]     Checking object v0.36.1
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling gtk v0.3.0
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling pango-sys v0.5.0
[INFO] [stderr]    Compiling gdk-sys v0.5.0
[INFO] [stderr]    Compiling atk-sys v0.5.0
[INFO] [stderr]    Compiling gtk-sys v0.5.0
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking pango v0.3.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking astrup v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/view.rs:65:56
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stdout]    |                                                        ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stdout] 65 +     pub fn add(mut self, mut figure: Figure) -> Result<Self, Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/view.rs:65:56
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stdout]    |                                                        ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stdout] 65 +     pub fn add(mut self, mut figure: Figure) -> Result<Self, Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/view.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok((self))
[INFO] [stdout]    |            ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -         Ok((self))
[INFO] [stdout] 69 +         Ok(self)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/view.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok((self))
[INFO] [stdout]    |            ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -         Ok((self))
[INFO] [stdout] 69 +         Ok(self)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/figure.rs:138:49
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stdout]     |                                                 ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stdout] 138 +     pub fn save(self, filename: &str) -> Result<Self, Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/figure.rs:138:49
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stdout]     |                                                 ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stdout] 138 +     pub fn save(self, filename: &str) -> Result<Self, Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/figure.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |         Ok((self))
[INFO] [stdout]     |            ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -         Ok((self))
[INFO] [stdout] 156 +         Ok(self)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/figure.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |         Ok((self))
[INFO] [stdout]     |            ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -         Ok((self))
[INFO] [stdout] 156 +         Ok(self)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/utils.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         ((old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stdout]     |         ^
[INFO] [stdout] 240 |          (old_max - old_number) / (old_max - old_min) * new_min)
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 ~         (old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stdout] 240 ~          (old_max - old_number) / (old_max - old_min) * new_min
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/utils.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         ((old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stdout]     |         ^
[INFO] [stdout] 240 |          (old_max - old_number) / (old_max - old_min) * new_min)
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 ~         (old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stdout] 240 ~          (old_max - old_number) / (old_max - old_min) * new_min
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hor_marks` and `ver_marks` are never read
[INFO] [stdout]   --> src/canvas.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Canvas {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     hor_marks: Vec<mark::Mark>, // TODO: Use these in stead of axis
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 31 |     ver_marks: Vec<mark::Mark>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Canvas` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font_matrix` is never read
[INFO] [stdout]   --> src/text.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Text {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     font_matrix: Matrix,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Text` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/view.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let drawing_area = Box::new(DrawingArea::new)();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hor_marks` and `ver_marks` are never read
[INFO] [stdout]   --> src/canvas.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Canvas {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     hor_marks: Vec<mark::Mark>, // TODO: Use these in stead of axis
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 31 |     ver_marks: Vec<mark::Mark>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Canvas` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font_matrix` is never read
[INFO] [stdout]   --> src/text.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Text {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     font_matrix: Matrix,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Text` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/view.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let drawing_area = Box::new(DrawingArea::new)();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.67s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "81e8f4987f2ad374de462cb7a4e68b4e45b49259119ff77845d0c4068440f224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e8f4987f2ad374de462cb7a4e68b4e45b49259119ff77845d0c4068440f224", kill_on_drop: false }`
[INFO] [stdout] 81e8f4987f2ad374de462cb7a4e68b4e45b49259119ff77845d0c4068440f224
[INFO] checking astrup-0.0.9 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate astrup 0.0.9 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate astrup 0.0.9 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate astrup 0.0.9
[INFO] finished tweaking crates.io crate astrup 0.0.9
[INFO] tweaked toml for crates.io crate astrup 0.0.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 115 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.23.0)
[INFO] [stderr]       Adding approx v0.1.1 (latest: v0.5.1)
[INFO] [stderr]       Adding atk-sys v0.5.0 (latest: v0.18.0)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.3.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding c_vec v1.2.1 (latest: v2.0.0)
[INFO] [stderr]       Adding cairo-rs v0.3.0 (latest: v0.20.0)
[INFO] [stderr]       Adding cairo-sys-rs v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding gdk v0.7.0 (latest: v0.18.0)
[INFO] [stderr]       Adding gdk-pixbuf v0.3.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gdk-pixbuf-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gdk-sys v0.5.0 (latest: v0.18.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.30.0)
[INFO] [stderr]       Adding gio v0.3.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gio-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding glib v0.4.1 (latest: v0.20.0)
[INFO] [stderr]       Adding glib-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gobject-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding gtk v0.3.0 (latest: v0.18.1)
[INFO] [stderr]       Adding gtk-sys v0.5.0 (latest: v0.18.0)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.13.0)
[INFO] [stderr]       Adding matrixmultiply v0.1.15 (latest: v0.3.8)
[INFO] [stderr]       Adding ndarray v0.11.2 (latest: v0.15.6)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.2)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding palette v0.2.1 (latest: v0.7.6)
[INFO] [stderr]       Adding pango v0.3.0 (latest: v0.20.0)
[INFO] [stderr]       Adding pango-sys v0.5.0 (latest: v0.20.0)
[INFO] [stderr]       Adding phf v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_codegen v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_generator v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rawpointer v0.1.0 (latest: v0.2.1)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding siphasher v0.2.3 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.71)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c4ce248e56cde0def60b12817ef66761d5402ae57085927e4967467dd0fd32b
[INFO] running `Command { std: "docker" "start" "-a" "6c4ce248e56cde0def60b12817ef66761d5402ae57085927e4967467dd0fd32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4ce248e56cde0def60b12817ef66761d5402ae57085927e4967467dd0fd32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4ce248e56cde0def60b12817ef66761d5402ae57085927e4967467dd0fd32b", kill_on_drop: false }`
[INFO] [stdout] 6c4ce248e56cde0def60b12817ef66761d5402ae57085927e4967467dd0fd32b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf9c4c583ebbc3885e65e4ee1a9e84e9d80620f3ba484a153049b9c7281c2a3
[INFO] running `Command { std: "docker" "start" "-a" "3bf9c4c583ebbc3885e65e4ee1a9e84e9d80620f3ba484a153049b9c7281c2a3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling gio v0.3.0
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling cc v1.1.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]    Compiling gdk v0.7.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling gtk v0.3.0
[INFO] [stderr]     Checking object v0.36.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling pango-sys v0.5.0
[INFO] [stderr]    Compiling gdk-sys v0.5.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atk-sys v0.5.0
[INFO] [stderr]    Compiling gtk-sys v0.5.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking pango v0.3.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking astrup v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/view.rs:65:56
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stdout]    |                                                        ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stdout] 65 +     pub fn add(mut self, mut figure: Figure) -> Result<Self, Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/view.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok((self))
[INFO] [stdout]    |            ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -         Ok((self))
[INFO] [stdout] 69 +         Ok(self)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/figure.rs:138:49
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stdout]     |                                                 ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stdout] 138 +     pub fn save(self, filename: &str) -> Result<Self, Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/figure.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |         Ok((self))
[INFO] [stdout]     |            ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -         Ok((self))
[INFO] [stdout] 156 +         Ok(self)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/utils.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         ((old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stdout]     |         ^
[INFO] [stdout] 240 |          (old_max - old_number) / (old_max - old_min) * new_min)
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 ~         (old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stdout] 240 ~          (old_max - old_number) / (old_max - old_min) * new_min
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/view.rs:65:56
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stdout]    |                                                        ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stdout] 65 +     pub fn add(mut self, mut figure: Figure) -> Result<Self, Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/view.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok((self))
[INFO] [stdout]    |            ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -         Ok((self))
[INFO] [stdout] 69 +         Ok(self)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/figure.rs:138:49
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stdout]     |                                                 ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stdout] 138 +     pub fn save(self, filename: &str) -> Result<Self, Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/figure.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |         Ok((self))
[INFO] [stdout]     |            ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -         Ok((self))
[INFO] [stdout] 156 +         Ok(self)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/utils.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         ((old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stdout]     |         ^
[INFO] [stdout] 240 |          (old_max - old_number) / (old_max - old_min) * new_min)
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 ~         (old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stdout] 240 ~          (old_max - old_number) / (old_max - old_min) * new_min
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hor_marks` and `ver_marks` are never read
[INFO] [stdout]   --> src/canvas.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Canvas {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     hor_marks: Vec<mark::Mark>, // TODO: Use these in stead of axis
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 31 |     ver_marks: Vec<mark::Mark>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Canvas` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font_matrix` is never read
[INFO] [stdout]   --> src/text.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Text {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     font_matrix: Matrix,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Text` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/view.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let drawing_area = Box::new(DrawingArea::new)();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hor_marks` and `ver_marks` are never read
[INFO] [stdout]   --> src/canvas.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Canvas {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     hor_marks: Vec<mark::Mark>, // TODO: Use these in stead of axis
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 31 |     ver_marks: Vec<mark::Mark>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Canvas` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font_matrix` is never read
[INFO] [stdout]   --> src/text.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Text {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     font_matrix: Matrix,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Text` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/view.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let drawing_area = Box::new(DrawingArea::new)();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3bf9c4c583ebbc3885e65e4ee1a9e84e9d80620f3ba484a153049b9c7281c2a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf9c4c583ebbc3885e65e4ee1a9e84e9d80620f3ba484a153049b9c7281c2a3", kill_on_drop: false }`
[INFO] [stdout] 3bf9c4c583ebbc3885e65e4ee1a9e84e9d80620f3ba484a153049b9c7281c2a3
