[INFO] cloning repository https://github.com/mordof/rust_opengl_experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mordof/rust_opengl_experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmordof%2Frust_opengl_experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmordof%2Frust_opengl_experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c871140b4355606efa465cfe31301cbd3e7f3ca
[INFO] checking mordof/rust_opengl_experiment against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmordof%2Frust_opengl_experiment" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mordof/rust_opengl_experiment on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mordof/rust_opengl_experiment
[INFO] finished tweaking git repo https://github.com/mordof/rust_opengl_experiment
[INFO] tweaked toml for git repo https://github.com/mordof/rust_opengl_experiment written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mordof/rust_opengl_experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de9c8f256a09b5bb25a66a4e837bf7a1d444ff1d735d2d02ce87dab1a33e66f5
[INFO] running `Command { std: "docker" "start" "-a" "de9c8f256a09b5bb25a66a4e837bf7a1d444ff1d735d2d02ce87dab1a33e66f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9c8f256a09b5bb25a66a4e837bf7a1d444ff1d735d2d02ce87dab1a33e66f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9c8f256a09b5bb25a66a4e837bf7a1d444ff1d735d2d02ce87dab1a33e66f5", kill_on_drop: false }`
[INFO] [stdout] de9c8f256a09b5bb25a66a4e837bf7a1d444ff1d735d2d02ce87dab1a33e66f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3154bbb10bcd13cafddc66cb8dfe64f6bee2cec99f14925e66f3f12377e7a60a
[INFO] running `Command { std: "docker" "start" "-a" "3154bbb10bcd13cafddc66cb8dfe64f6bee2cec99f14925e66f3f12377e7a60a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
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[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking c_string v0.7.0
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[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
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[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/c_string-0.7.0/src/c_str.rs:234:84
[INFO] [stdout]     |
[INFO] [stdout] 234 |             format!("invalid data for C string: NUL at position {}", err.position).as_ref())
[INFO] [stdout]     |             -----------------------------------------------------------------------^^^^^^--
[INFO] [stdout]     |             |                                                                      |
[INFO] [stdout]     |             |                                                                      cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]     |             this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `String: AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `c_string` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3154bbb10bcd13cafddc66cb8dfe64f6bee2cec99f14925e66f3f12377e7a60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3154bbb10bcd13cafddc66cb8dfe64f6bee2cec99f14925e66f3f12377e7a60a", kill_on_drop: false }`
[INFO] [stdout] 3154bbb10bcd13cafddc66cb8dfe64f6bee2cec99f14925e66f3f12377e7a60a