[INFO] cloning 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" "clone" "--bare" "https://github.com/swedgwood/fourier-series" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswedgwood%2Ffourier-series", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswedgwood%2Ffourier-series'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06eec7c9a23d039251c717358c5d7dee5dd59766
[INFO] checking swedgwood/fourier-series against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswedgwood%2Ffourier-series" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swedgwood/fourier-series on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 781457c3948ddba02e80962db3cc6b48956243c8c37b11e9afcbf84bba300fab
[INFO] running `Command { std: "docker" "start" "-a" "781457c3948ddba02e80962db3cc6b48956243c8c37b11e9afcbf84bba300fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "781457c3948ddba02e80962db3cc6b48956243c8c37b11e9afcbf84bba300fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781457c3948ddba02e80962db3cc6b48956243c8c37b11e9afcbf84bba300fab", kill_on_drop: false }`
[INFO] [stdout] 781457c3948ddba02e80962db3cc6b48956243c8c37b11e9afcbf84bba300fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f276096f7a2b890778915eb5ea27c673b29742c5d3b293b21e5caa1d7b4b459
[INFO] running `Command { std: "docker" "start" "-a" "4f276096f7a2b890778915eb5ea27c673b29742c5d3b293b21e5caa1d7b4b459", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking svg v0.6.0
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[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]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking fourier-series v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `svg::node::Value`
[INFO] [stdout]  --> src/svgpath.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use svg::node::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `svg::node::Value`
[INFO] [stdout]  --> src/svgpath.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use svg::node::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `radii`, `x_angle`, `large_arc_flag`, and `sweep_flag` are never read
[INFO] [stdout]    --> src/svgpath.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 277 | struct EllipticalArc {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 278 |     start: Point,
[INFO] [stdout] 279 |     radii: Point,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 280 |     x_angle: f64,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 281 |     large_arc_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 282 |     sweep_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `PathTag` should have an upper case name
[INFO] [stdout]   --> src/svgpath.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: fields `radii`, `x_angle`, `large_arc_flag`, and `sweep_flag` are never read
[INFO] [stdout]    --> src/svgpath.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 277 | struct EllipticalArc {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 278 |     start: Point,
[INFO] [stdout] 279 |     radii: Point,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 280 |     x_angle: f64,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 281 |     large_arc_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 282 |     sweep_flag: bool,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `PathTag` should have an upper case name
[INFO] [stdout]   --> src/svgpath.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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.6.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "4f276096f7a2b890778915eb5ea27c673b29742c5d3b293b21e5caa1d7b4b459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f276096f7a2b890778915eb5ea27c673b29742c5d3b293b21e5caa1d7b4b459", kill_on_drop: false }`
[INFO] [stdout] 4f276096f7a2b890778915eb5ea27c673b29742c5d3b293b21e5caa1d7b4b459