[INFO] cloning repository https://github.com/masayukinii1011/rust-wasm-canvas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masayukinii1011/rust-wasm-canvas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasayukinii1011%2Frust-wasm-canvas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasayukinii1011%2Frust-wasm-canvas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39c73ded9a92265b84e00f8c04bc3f3abe48fd44
[INFO] checking masayukinii1011/rust-wasm-canvas against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasayukinii1011%2Frust-wasm-canvas" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masayukinii1011/rust-wasm-canvas 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/masayukinii1011/rust-wasm-canvas
[INFO] finished tweaking git repo https://github.com/masayukinii1011/rust-wasm-canvas
[INFO] tweaked toml for git repo https://github.com/masayukinii1011/rust-wasm-canvas written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/masayukinii1011/rust-wasm-canvas 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 33e18483b5375720edb3eeff6d70e1512e56416d4d487a4b1a7014aed56626d5
[INFO] running `Command { std: "docker" "start" "-a" "33e18483b5375720edb3eeff6d70e1512e56416d4d487a4b1a7014aed56626d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e18483b5375720edb3eeff6d70e1512e56416d4d487a4b1a7014aed56626d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e18483b5375720edb3eeff6d70e1512e56416d4d487a4b1a7014aed56626d5", kill_on_drop: false }`
[INFO] [stdout] 33e18483b5375720edb3eeff6d70e1512e56416d4d487a4b1a7014aed56626d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a5dd1992ba2131d6d8c6afe685d1beccc0ef6aa76055a96ba79db76bc6b2a7ca
[INFO] running `Command { std: "docker" "start" "-a" "a5dd1992ba2131d6d8c6afe685d1beccc0ef6aa76055a96ba79db76bc6b2a7ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking rust_wasm_canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `log` is never used
[INFO] [stdout]    --> src/lib.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn log(s: &String) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `normalize`, `distance_from`, and `mul` are never used
[INFO] [stdout]   --> src/vec2d.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Vec2d {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 10 |     pub fn normalize(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn distance_from(&self, other: Self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn mul(&self, k: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log` is never used
[INFO] [stdout]    --> src/lib.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn log(s: &String) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `normalize`, `distance_from`, and `mul` are never used
[INFO] [stdout]   --> src/vec2d.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Vec2d {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 10 |     pub fn normalize(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn distance_from(&self, other: Self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn mul(&self, k: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.69s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.67
[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" "a5dd1992ba2131d6d8c6afe685d1beccc0ef6aa76055a96ba79db76bc6b2a7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5dd1992ba2131d6d8c6afe685d1beccc0ef6aa76055a96ba79db76bc6b2a7ca", kill_on_drop: false }`
[INFO] [stdout] a5dd1992ba2131d6d8c6afe685d1beccc0ef6aa76055a96ba79db76bc6b2a7ca