[INFO] updating cached repository https://github.com/swedgwood/fourier-series
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0432e6752a8f10b034b4e6d9e3489711107dc66b
[INFO] testing swedgwood/fourier-series against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswedgwood%2Ffourier-series" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swedgwood/fourier-series on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swedgwood/fourier-series
[INFO] finished tweaking git repo https://github.com/swedgwood/fourier-series
[INFO] tweaked toml for git repo https://github.com/swedgwood/fourier-series written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/swedgwood/fourier-series already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52787f719137ed68d29fece0b10558fe51ed265d08092f5bbc966068f74a1391
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52787f719137ed68d29fece0b10558fe51ed265d08092f5bbc966068f74a1391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52787f719137ed68d29fece0b10558fe51ed265d08092f5bbc966068f74a1391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52787f719137ed68d29fece0b10558fe51ed265d08092f5bbc966068f74a1391", kill_on_drop: false }`
[INFO] [stdout] 52787f719137ed68d29fece0b10558fe51ed265d08092f5bbc966068f74a1391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90b27fdf9733b75892e84e7957cba683259e93662bc75d65b7055d88f58bde1a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "90b27fdf9733b75892e84e7957cba683259e93662bc75d65b7055d88f58bde1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling svg v0.6.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling fourier-series v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `svg::node::Value`
[INFO] [stdout]  --> src/svg.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use svg::node::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `radii`
[INFO] [stdout]    --> src/svg.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 279 |     radii: Point,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x_angle`
[INFO] [stdout]    --> src/svg.rs:280:5
[INFO] [stdout]     |
[INFO] [stdout] 280 |     x_angle: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `large_arc_flag`
[INFO] [stdout]    --> src/svg.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 |     large_arc_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sweep_flag`
[INFO] [stdout]    --> src/svg.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 282 |     sweep_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `PathTag` should have an upper case name
[INFO] [stdout]   --> src/svg.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if let Event::Tag(PathTag, _, attributes) = event {
[INFO] [stdout]    |                           ^^^^^^^ help: convert the identifier to upper case: `PATH_TAG`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.74s
[INFO] running `Command { std: "docker" "inspect" "90b27fdf9733b75892e84e7957cba683259e93662bc75d65b7055d88f58bde1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b27fdf9733b75892e84e7957cba683259e93662bc75d65b7055d88f58bde1a", kill_on_drop: false }`
[INFO] [stdout] 90b27fdf9733b75892e84e7957cba683259e93662bc75d65b7055d88f58bde1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e1dfc7b13f999a99e36968c5d7e926d31475fdfea795d59fb192931ee82da49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e1dfc7b13f999a99e36968c5d7e926d31475fdfea795d59fb192931ee82da49", kill_on_drop: false }`
[INFO] [stderr]    Compiling fourier-series v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `svg::node::Value`
[INFO] [stdout]  --> src/svg.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use svg::node::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `radii`
[INFO] [stdout]    --> src/svg.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 279 |     radii: Point,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x_angle`
[INFO] [stdout]    --> src/svg.rs:280:5
[INFO] [stdout]     |
[INFO] [stdout] 280 |     x_angle: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `large_arc_flag`
[INFO] [stdout]    --> src/svg.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 |     large_arc_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sweep_flag`
[INFO] [stdout]    --> src/svg.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 282 |     sweep_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `PathTag` should have an upper case name
[INFO] [stdout]   --> src/svg.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if let Event::Tag(PathTag, _, attributes) = event {
[INFO] [stdout]    |                           ^^^^^^^ help: convert the identifier to upper case: `PATH_TAG`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `svg::node::Value`
[INFO] [stdout]  --> src/svg.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use svg::node::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `radii`
[INFO] [stdout]    --> src/svg.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 279 |     radii: Point,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x_angle`
[INFO] [stdout]    --> src/svg.rs:280:5
[INFO] [stdout]     |
[INFO] [stdout] 280 |     x_angle: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `large_arc_flag`
[INFO] [stdout]    --> src/svg.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 |     large_arc_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sweep_flag`
[INFO] [stdout]    --> src/svg.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 282 |     sweep_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `PathTag` should have an upper case name
[INFO] [stdout]   --> src/svg.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if let Event::Tag(PathTag, _, attributes) = event {
[INFO] [stdout]    |                           ^^^^^^^ help: convert the identifier to upper case: `PATH_TAG`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "2e1dfc7b13f999a99e36968c5d7e926d31475fdfea795d59fb192931ee82da49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1dfc7b13f999a99e36968c5d7e926d31475fdfea795d59fb192931ee82da49", kill_on_drop: false }`
[INFO] [stdout] 2e1dfc7b13f999a99e36968c5d7e926d31475fdfea795d59fb192931ee82da49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd388a8fdbc5d33c3ceeadb4333c88f8ef6051b0dd0bd0ef46b2184ba8675538
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd388a8fdbc5d33c3ceeadb4333c88f8ef6051b0dd0bd0ef46b2184ba8675538", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `svg::node::Value`
[INFO] [stderr]  --> src/svg.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use svg::node::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `radii`
[INFO] [stderr]    --> src/svg.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     radii: Point,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x_angle`
[INFO] [stderr]    --> src/svg.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     x_angle: f64,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `large_arc_flag`
[INFO] [stderr]    --> src/svg.rs:281:5
[INFO] [stderr]     |
[INFO] [stderr] 281 |     large_arc_flag: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sweep_flag`
[INFO] [stderr]    --> src/svg.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     sweep_flag: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant in pattern `PathTag` should have an upper case name
[INFO] [stderr]   --> src/svg.rs:62:27
[INFO] [stderr]    |
[INFO] [stderr] 62 |         if let Event::Tag(PathTag, _, attributes) = event {
[INFO] [stderr]    |                           ^^^^^^^ help: convert the identifier to upper case: `PATH_TAG`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `svg::node::Value`
[INFO] [stderr]  --> src/svg.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use svg::node::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `radii`
[INFO] [stderr]    --> src/svg.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     radii: Point,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x_angle`
[INFO] [stderr]    --> src/svg.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     x_angle: f64,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `large_arc_flag`
[INFO] [stderr]    --> src/svg.rs:281:5
[INFO] [stderr]     |
[INFO] [stderr] 281 |     large_arc_flag: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sweep_flag`
[INFO] [stderr]    --> src/svg.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     sweep_flag: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant in pattern `PathTag` should have an upper case name
[INFO] [stderr]   --> src/svg.rs:62:27
[INFO] [stderr]    |
[INFO] [stderr] 62 |         if let Event::Tag(PathTag, _, attributes) = event {
[INFO] [stderr]    |                           ^^^^^^^ help: convert the identifier to upper case: `PATH_TAG`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fourier_series-2ab1b72497159c0f
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fourier_series-b2bda42507f5de04
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fourier-series
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cd388a8fdbc5d33c3ceeadb4333c88f8ef6051b0dd0bd0ef46b2184ba8675538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd388a8fdbc5d33c3ceeadb4333c88f8ef6051b0dd0bd0ef46b2184ba8675538", kill_on_drop: false }`
[INFO] [stdout] cd388a8fdbc5d33c3ceeadb4333c88f8ef6051b0dd0bd0ef46b2184ba8675538