[INFO] cloning repository https://github.com/legendarysandbird/wgpu-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/legendarysandbird/wgpu-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flegendarysandbird%2Fwgpu-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flegendarysandbird%2Fwgpu-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 385a35d6461a29f76fcc2a58fff0e40c42d88584
[INFO] checking legendarysandbird/wgpu-tutorial against master#e08b80c0fb7667bdcd040761891701e576c42ec8 for pr-129021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flegendarysandbird%2Fwgpu-tutorial" "/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/legendarysandbird/wgpu-tutorial on toolchain e08b80c0fb7667bdcd040761891701e576c42ec8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/legendarysandbird/wgpu-tutorial
[INFO] finished tweaking git repo https://github.com/legendarysandbird/wgpu-tutorial
[INFO] tweaked toml for git repo https://github.com/legendarysandbird/wgpu-tutorial written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/legendarysandbird/wgpu-tutorial 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" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking legendarysandbird/wgpu-tutorial against try#f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5 for pr-129021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flegendarysandbird%2Fwgpu-tutorial" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/legendarysandbird/wgpu-tutorial on toolchain f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/legendarysandbird/wgpu-tutorial
[INFO] finished tweaking git repo https://github.com/legendarysandbird/wgpu-tutorial
[INFO] tweaked toml for git repo https://github.com/legendarysandbird/wgpu-tutorial written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/legendarysandbird/wgpu-tutorial 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" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking legendarysandbird/wgpu-tutorial against try#f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5 for pr-129021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flegendarysandbird%2Fwgpu-tutorial" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/legendarysandbird/wgpu-tutorial on toolchain f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/legendarysandbird/wgpu-tutorial
[INFO] finished tweaking git repo https://github.com/legendarysandbird/wgpu-tutorial
[INFO] tweaked toml for git repo https://github.com/legendarysandbird/wgpu-tutorial written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/legendarysandbird/wgpu-tutorial 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" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking legendarysandbird/wgpu-tutorial against try#f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5 for pr-129021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flegendarysandbird%2Fwgpu-tutorial" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/legendarysandbird/wgpu-tutorial on toolchain f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/legendarysandbird/wgpu-tutorial
[INFO] finished tweaking git repo https://github.com/legendarysandbird/wgpu-tutorial
[INFO] tweaked toml for git repo https://github.com/legendarysandbird/wgpu-tutorial written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/legendarysandbird/wgpu-tutorial 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" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.38
[INFO] [stderr]   Downloaded is-terminal v0.4.2
[INFO] [stderr]   Downloaded memmap2 v0.5.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.38
[INFO] [stderr]   Downloaded wgpu-types v0.14.1
[INFO] [stderr]   Downloaded calloop v0.10.5
[INFO] [stderr]   Downloaded io-lifetimes v1.0.4
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded wgpu v0.14.2
[INFO] [stderr]   Downloaded nix v0.25.1
[INFO] [stderr]   Downloaded wgpu-core v0.14.2
[INFO] [stderr]   Downloaded wgpu-hal v0.14.1
[INFO] [stderr]   Downloaded profiling v1.0.7
[INFO] [stderr]   Downloaded rustix v0.36.7
[INFO] [stderr]   Downloaded ash v0.37.2+1.3.238
[INFO] [stderr]   Downloaded naga v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b763c11e35572a7208f7cfa8b7eda2f1f2f038f1ef82a6c37463ff2bad732e48
[INFO] running `Command { std: "docker" "start" "-a" "b763c11e35572a7208f7cfa8b7eda2f1f2f038f1ef82a6c37463ff2bad732e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b763c11e35572a7208f7cfa8b7eda2f1f2f038f1ef82a6c37463ff2bad732e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b763c11e35572a7208f7cfa8b7eda2f1f2f038f1ef82a6c37463ff2bad732e48", kill_on_drop: false }`
[INFO] [stdout] b763c11e35572a7208f7cfa8b7eda2f1f2f038f1ef82a6c37463ff2bad732e48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8aed55601ee4d2f6bd806a4038ced7f38d0c79accf77ed9999363a814347d42
[INFO] running `Command { std: "docker" "start" "-a" "c8aed55601ee4d2f6bd806a4038ced7f38d0c79accf77ed9999363a814347d42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking crc32fast v1.3.2
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c8aed55601ee4d2f6bd806a4038ced7f38d0c79accf77ed9999363a814347d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8aed55601ee4d2f6bd806a4038ced7f38d0c79accf77ed9999363a814347d42", kill_on_drop: false }`
[INFO] [stdout] c8aed55601ee4d2f6bd806a4038ced7f38d0c79accf77ed9999363a814347d42