[INFO] cloning repository https://github.com/dcheatha/graph-sketchpad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcheatha/graph-sketchpad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcheatha%2Fgraph-sketchpad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcheatha%2Fgraph-sketchpad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 608465657f50101af882466da60124cf16f31db9
[INFO] checking dcheatha/graph-sketchpad against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcheatha%2Fgraph-sketchpad" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcheatha/graph-sketchpad 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/dcheatha/graph-sketchpad
[INFO] finished tweaking git repo https://github.com/dcheatha/graph-sketchpad
[INFO] tweaked toml for git repo https://github.com/dcheatha/graph-sketchpad written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dcheatha/graph-sketchpad 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]     Updating git repository `https://github.com/bjz/gl-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/OpenGL-Registry.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/angle.git`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/EGL-Registry.git`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/WebGL.git`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/WebGLDeveloperTools.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v1.3.3
[INFO] [stderr]   Downloaded random_color v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4fdc83aa7dca2179767624ab6078bbb574ff1b514c4909db995b4cdc863ab32f
[INFO] running `Command { std: "docker" "start" "-a" "4fdc83aa7dca2179767624ab6078bbb574ff1b514c4909db995b4cdc863ab32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fdc83aa7dca2179767624ab6078bbb574ff1b514c4909db995b4cdc863ab32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fdc83aa7dca2179767624ab6078bbb574ff1b514c4909db995b4cdc863ab32f", kill_on_drop: false }`
[INFO] [stdout] 4fdc83aa7dca2179767624ab6078bbb574ff1b514c4909db995b4cdc863ab32f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e544157c375511e2e5c660d08fa29092002481420604e1a0d6dc516a9c2bd455
[INFO] running `Command { std: "docker" "start" "-a" "e544157c375511e2e5c660d08fa29092002481420604e1a0d6dc516a9c2bd455", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling khronos_api v3.2.0 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling gl_generator v0.14.1 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling gl v0.14.0 (https://github.com/bjz/gl-rs#1cd256c7)
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking random_color v0.5.0
[INFO] [stderr]     Checking graph-sketchpad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `random_color::RandomColor`
[INFO] [stdout]  --> src/graph/add_del.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use random_color::RandomColor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::Node`
[INFO] [stdout]  --> src/graph/util.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::node::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_color::RandomColor`
[INFO] [stdout]  --> src/graph/add_del.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use random_color::RandomColor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::Node`
[INFO] [stdout]  --> src/graph/util.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::node::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `directed` and `index` are never read
[INFO] [stdout]   --> src/edge.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Edge {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |   pub directed: bool,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 12 |   pub index: usize,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `directed` and `index` are never read
[INFO] [stdout]   --> src/edge.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Edge {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |   pub directed: bool,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 12 |   pub index: usize,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "e544157c375511e2e5c660d08fa29092002481420604e1a0d6dc516a9c2bd455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e544157c375511e2e5c660d08fa29092002481420604e1a0d6dc516a9c2bd455", kill_on_drop: false }`
[INFO] [stdout] e544157c375511e2e5c660d08fa29092002481420604e1a0d6dc516a9c2bd455