[INFO] fetching crate astrup 0.0.9...
[INFO] testing astrup-0.0.9 against 1.69.0 for beta-1.70-1
[INFO] extracting crate astrup 0.0.9 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate astrup 0.0.9 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded phf v0.7.24
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 219ab859441a91fadf38ff638748cd72692a734ce938757f867a1a1aee53c2b0
[INFO] running `Command { std: "docker" "start" "-a" "219ab859441a91fadf38ff638748cd72692a734ce938757f867a1a1aee53c2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "219ab859441a91fadf38ff638748cd72692a734ce938757f867a1a1aee53c2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219ab859441a91fadf38ff638748cd72692a734ce938757f867a1a1aee53c2b0", kill_on_drop: false }`
[INFO] [stdout] 219ab859441a91fadf38ff638748cd72692a734ce938757f867a1a1aee53c2b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02b161ce77ac08b38866c865f83a936209c66557575752be0fd92337fd4b9e5e
[INFO] running `Command { std: "docker" "start" "-a" "02b161ce77ac08b38866c865f83a936209c66557575752be0fd92337fd4b9e5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[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 rand_core v0.4.2
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling pango-sys v0.5.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling gdk-sys v0.5.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling atk-sys v0.5.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling gtk-sys v0.5.0
[INFO] [stderr]    Compiling gio v0.3.0
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling gdk v0.7.0
[INFO] [stderr]    Compiling glib v0.4.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling gtk v0.3.0
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling pango v0.3.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling csv v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling 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: 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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[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" "02b161ce77ac08b38866c865f83a936209c66557575752be0fd92337fd4b9e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b161ce77ac08b38866c865f83a936209c66557575752be0fd92337fd4b9e5e", kill_on_drop: false }`
[INFO] [stdout] 02b161ce77ac08b38866c865f83a936209c66557575752be0fd92337fd4b9e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e4292b826821c4321bd1ea12c5d875b29d9abedcf2f8ff241f6316255b8ae8
[INFO] running `Command { std: "docker" "start" "-a" "c1e4292b826821c4321bd1ea12c5d875b29d9abedcf2f8ff241f6316255b8ae8", kill_on_drop: false }`
[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] [stderr]    Compiling astrup v0.0.9 (/opt/rustwide/workdir)
[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: 7 warnings emitted
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[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" "c1e4292b826821c4321bd1ea12c5d875b29d9abedcf2f8ff241f6316255b8ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e4292b826821c4321bd1ea12c5d875b29d9abedcf2f8ff241f6316255b8ae8", kill_on_drop: false }`
[INFO] [stdout] c1e4292b826821c4321bd1ea12c5d875b29d9abedcf2f8ff241f6316255b8ae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3bd0c176bc09df7ab7b452290cfd2ea7d00ef573f2b19a5062135241870701a0
[INFO] running `Command { std: "docker" "start" "-a" "3bd0c176bc09df7ab7b452290cfd2ea7d00ef573f2b19a5062135241870701a0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] 
[INFO] [stderr]   --> src/view.rs:65:56
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 65 |     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                                                        ^    ^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 65 -     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stderr] 65 +     pub fn add(mut self, mut figure: Figure) -> Result<Self, Error> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/view.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         Ok((self))
[INFO] [stderr]    |            ^    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 -         Ok((self))
[INFO] [stderr] 69 +         Ok(self)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/figure.rs:138:49
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stderr]     |                                                 ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 138 -     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stderr] 138 +     pub fn save(self, filename: &str) -> Result<Self, Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/figure.rs:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 |         Ok((self))
[INFO] [stderr]     |            ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 156 -         Ok((self))
[INFO] [stderr] 156 +         Ok(self)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/utils.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         ((old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stderr]     |         ^
[INFO] [stderr] 240 |          (old_max - old_number) / (old_max - old_min) * new_min)
[INFO] [stderr]     |                                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 239 ~         (old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stderr] 240 ~          (old_max - old_number) / (old_max - old_min) * new_min
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `hor_marks` and `ver_marks` are never read
[INFO] [stderr]   --> src/canvas.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Canvas {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 30 |     hor_marks: Vec<mark::Mark>, // TODO: Use these in stead of axis
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 31 |     ver_marks: Vec<mark::Mark>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Canvas` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `font_matrix` is never read
[INFO] [stderr]   --> src/text.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub struct Text {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 15 |     font_matrix: Matrix,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Text` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `astrup` (lib) generated 7 warnings (run `cargo fix --lib -p astrup` to apply 5 suggestions)
[INFO] [stderr] warning: `astrup` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/astrup-74ebdec4d1fb17db)
[INFO] [stderr]    Doc-tests astrup
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/view.rs:65:56
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stderr]    |                                                        ^    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 65 -     pub fn add(mut self, mut figure: Figure) -> Result<(Self), Error> {
[INFO] [stderr] 65 +     pub fn add(mut self, mut figure: Figure) -> Result<Self, Error> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/view.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         Ok((self))
[INFO] [stderr]    |            ^    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 -         Ok((self))
[INFO] [stderr] 69 +         Ok(self)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/figure.rs:138:49
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stderr]     |                                                 ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 138 -     pub fn save(self, filename: &str) -> Result<(Self), Error> {
[INFO] [stderr] 138 +     pub fn save(self, filename: &str) -> Result<Self, Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/figure.rs:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 |         Ok((self))
[INFO] [stderr]     |            ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 156 -         Ok((self))
[INFO] [stderr] 156 +         Ok(self)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/utils.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         ((old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stderr]     |         ^
[INFO] [stderr] 240 |          (old_max - old_number) / (old_max - old_min) * new_min)
[INFO] [stderr]     |                                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 239 ~         (old_number - old_min) / (old_max - old_min) * new_max +
[INFO] [stderr] 240 ~          (old_max - old_number) / (old_max - old_min) * new_min
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'Could not save frontpage_example.png: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121:35
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19:17
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36:18
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:2065:27
[INFO] [stdout]    5: astrup::figure::Figure::save
[INFO] [stdout]              at src/figure.rs:153:24
[INFO] [stdout]    6: rust_out::main
[INFO] [stdout]    7: core::ops::function::FnOnce::call_once
[INFO] [stdout]    8: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]    9: std::rt::lang_start::{{closure}}
[INFO] [stdout]   10: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]       std::rt::lang_start_internal::{{closure}}
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]       std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stdout]   11: std::rt::lang_start
[INFO] [stdout]   12: main
[INFO] [stdout]   13: <unknown>
[INFO] [stdout]   14: __libc_start_main
[INFO] [stdout]   15: _start
[INFO] [stdout] ', src/lib.rs:58:66
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x561d5cbf9eea - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x561d5cbf9eea - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x561d5cbf9eea - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x561d5cbf9eea - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x561d5cc1911e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x561d5cbf7d65 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x561d5cbf9cb5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x561d5cbf9cb5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x561d5cbfb30f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x561d5cbfb04b - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x561d5cbfb8b8 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stdout]   11:     0x561d5cbfb7b9 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   12:     0x561d5cbfa356 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x561d5cbfb4c2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   14:     0x561d5cac2053 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   15:     0x561d5cac24a3 - core::result::unwrap_failed::hdff5465d74574b44
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1750:5
[INFO] [stdout]   16:     0x561d5cac6f8f - core::result::Result<T,E>::expect::hbc04fcd21ca4a8c8
[INFO] [stdout]   17:     0x561d5cace18c - rust_out::main::h045d0fd74ed7290e
[INFO] [stdout]   18:     0x561d5cac4c53 - core::ops::function::FnOnce::call_once::h5b89dea722ea21ad
[INFO] [stdout]   19:     0x561d5cac44b9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc178e4cfacf1803d
[INFO] [stdout]   20:     0x561d5cac4509 - std::rt::lang_start::{{closure}}::he8c5d60628d06093
[INFO] [stdout]   21:     0x561d5cbf528c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   22:     0x561d5cbf528c - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   23:     0x561d5cbf528c - std::panicking::try::h3342dd4e1f680968
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   24:     0x561d5cbf528c - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   25:     0x561d5cbf528c - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stdout]   26:     0x561d5cbf528c - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   27:     0x561d5cbf528c - std::panicking::try::he7d15285746cbbc2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   28:     0x561d5cbf528c - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   29:     0x561d5cbf528c - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stdout]   30:     0x561d5cac44e7 - std::rt::lang_start::h335d6166ecad8ac7
[INFO] [stdout]   31:     0x561d5cace4f5 - main
[INFO] [stdout]   32:     0x7fa153683d90 - <unknown>
[INFO] [stdout]   33:     0x7fa153683e40 - __libc_start_main
[INFO] [stdout]   34:     0x561d5cac2635 - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.60s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3bd0c176bc09df7ab7b452290cfd2ea7d00ef573f2b19a5062135241870701a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd0c176bc09df7ab7b452290cfd2ea7d00ef573f2b19a5062135241870701a0", kill_on_drop: false }`
[INFO] [stdout] 3bd0c176bc09df7ab7b452290cfd2ea7d00ef573f2b19a5062135241870701a0
