[INFO] cloning repository https://github.com/mizyoukan/mandelbrot-wasm-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mizyoukan/mandelbrot-wasm-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizyoukan%2Fmandelbrot-wasm-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizyoukan%2Fmandelbrot-wasm-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e87c4ca73e7b17b1407c604bc5c0cc16871d3c2
[INFO] checking mizyoukan/mandelbrot-wasm-rs against master#5b82ea74b705799665b5a676b162f30d26f5108c for pr-102129
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizyoukan%2Fmandelbrot-wasm-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mizyoukan/mandelbrot-wasm-rs on toolchain 5b82ea74b705799665b5a676b162f30d26f5108c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5b82ea74b705799665b5a676b162f30d26f5108c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mizyoukan/mandelbrot-wasm-rs
[INFO] finished tweaking git repo https://github.com/mizyoukan/mandelbrot-wasm-rs
[INFO] tweaked toml for git repo https://github.com/mizyoukan/mandelbrot-wasm-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mizyoukan/mandelbrot-wasm-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5b82ea74b705799665b5a676b162f30d26f5108c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/koute/stdweb`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base-x v0.2.2
[INFO] [stderr]   Downloaded num-complex v0.1.42
[INFO] [stderr]   Downloaded syn v0.12.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+5b82ea74b705799665b5a676b162f30d26f5108c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f7c8be3f30b205709f0606dfd6b2098e0ddaab0d9dc379a2be3e9fdb7c839f6
[INFO] running `Command { std: "docker" "start" "-a" "9f7c8be3f30b205709f0606dfd6b2098e0ddaab0d9dc379a2be3e9fdb7c839f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f7c8be3f30b205709f0606dfd6b2098e0ddaab0d9dc379a2be3e9fdb7c839f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7c8be3f30b205709f0606dfd6b2098e0ddaab0d9dc379a2be3e9fdb7c839f6", kill_on_drop: false }`
[INFO] [stdout] 9f7c8be3f30b205709f0606dfd6b2098e0ddaab0d9dc379a2be3e9fdb7c839f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+5b82ea74b705799665b5a676b162f30d26f5108c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aff896b8d94288dbe08d0af410cdb1c30e63fa98e146c2dd3f6a7dd245a63e35
[INFO] running `Command { std: "docker" "start" "-a" "aff896b8d94288dbe08d0af410cdb1c30e63fa98e146c2dd3f6a7dd245a63e35", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling stdweb v0.4.0 (https://github.com/koute/stdweb?rev=c9cbbcd#c9cbbcd4)
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.42
[INFO] [stderr]    Compiling syn v0.12.13
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]    Compiling stdweb-derive v0.4.0 (https://github.com/koute/stdweb?rev=c9cbbcd#c9cbbcd4)
[INFO] [stderr]     Checking mandelbrot-wasm-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `Command { std: "docker" "inspect" "aff896b8d94288dbe08d0af410cdb1c30e63fa98e146c2dd3f6a7dd245a63e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff896b8d94288dbe08d0af410cdb1c30e63fa98e146c2dd3f6a7dd245a63e35", kill_on_drop: false }`
[INFO] [stdout] aff896b8d94288dbe08d0af410cdb1c30e63fa98e146c2dd3f6a7dd245a63e35