[INFO] cloning repository https://github.com/hhsaez/wrflib_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hhsaez/wrflib_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhhsaez%2Fwrflib_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhhsaez%2Fwrflib_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 885a33f879005c508cd1d8eea4c78d54cc04bc6f
[INFO] checking hhsaez/wrflib_example against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhhsaez%2Fwrflib_example" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hhsaez/wrflib_example on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/hhsaez/wrflib_example
[INFO] finished tweaking git repo https://github.com/hhsaez/wrflib_example
[INFO] tweaked toml for git repo https://github.com/hhsaez/wrflib_example written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hhsaez/wrflib_example 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wrflib_vector v0.0.3
[INFO] [stderr]   Downloaded wrflib_x11_sys v0.0.3
[INFO] [stderr]   Downloaded wrflib_objc_sys v0.0.3
[INFO] [stderr]   Downloaded wrflib_shader_compiler v0.0.3
[INFO] [stderr]   Downloaded wrflib_widget v0.0.3
[INFO] [stderr]   Downloaded wrflib_glx_sys v0.0.3
[INFO] [stderr]   Downloaded wrflib v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31ba5df9fe2d78649066c93400da9e316794ff334069aa8f69b1b22902963e23
[INFO] running `Command { std: "docker" "start" "-a" "31ba5df9fe2d78649066c93400da9e316794ff334069aa8f69b1b22902963e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31ba5df9fe2d78649066c93400da9e316794ff334069aa8f69b1b22902963e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ba5df9fe2d78649066c93400da9e316794ff334069aa8f69b1b22902963e23", kill_on_drop: false }`
[INFO] [stdout] 31ba5df9fe2d78649066c93400da9e316794ff334069aa8f69b1b22902963e23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e740591d8431d2b40a5e573086d2c29f182a5ed8c0d829ce35c2d4a417ef8fa5
[INFO] running `Command { std: "docker" "start" "-a" "e740591d8431d2b40a5e573086d2c29f182a5ed8c0d829ce35c2d4a417ef8fa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling wrflib_glx_sys v0.0.3
[INFO] [stderr]    Compiling wrflib_x11_sys v0.0.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking wrflib_shader_compiler v0.0.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wrflib_vector v0.0.3
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking ureq v2.4.0
[INFO] [stderr]     Checking wrflib v0.0.3
[INFO] [stderr]     Checking wrflib_widget v0.0.3
[INFO] [stderr]     Checking widget_example v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T, A>::into_raw` that must be used
[INFO] [stdout]   --> src/main.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | main_app!(SingleButtonExampleApp);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `main_app` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T, A>::into_raw` that must be used
[INFO] [stdout]   --> src/main.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | main_app!(SingleButtonExampleApp);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `main_app` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.55s
[INFO] running `Command { std: "docker" "inspect" "e740591d8431d2b40a5e573086d2c29f182a5ed8c0d829ce35c2d4a417ef8fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e740591d8431d2b40a5e573086d2c29f182a5ed8c0d829ce35c2d4a417ef8fa5", kill_on_drop: false }`
[INFO] [stdout] e740591d8431d2b40a5e573086d2c29f182a5ed8c0d829ce35c2d4a417ef8fa5