[INFO] fetching crate custom_debug 0.6.2...
[INFO] checking custom_debug-0.6.2 against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181
[INFO] extracting crate custom_debug 0.6.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate custom_debug 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate custom_debug 0.6.2
[INFO] tweaked toml for crates.io crate custom_debug 0.6.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate custom_debug 0.6.2 on toolchain ca77504943887037504c7fc0b9bf06dab3910373
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate custom_debug 0.6.2 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b35735f480b27fde00e19fcd3e617a77b6692f9783cd79b6b91b86ed5d065ba7
[INFO] running `Command { std: "docker" "start" "-a" "b35735f480b27fde00e19fcd3e617a77b6692f9783cd79b6b91b86ed5d065ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b35735f480b27fde00e19fcd3e617a77b6692f9783cd79b6b91b86ed5d065ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35735f480b27fde00e19fcd3e617a77b6692f9783cd79b6b91b86ed5d065ba7", kill_on_drop: false }`
[INFO] [stdout] b35735f480b27fde00e19fcd3e617a77b6692f9783cd79b6b91b86ed5d065ba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b3ce961c2865d612382e52eaa7d4692c4967545282fe81e0f25d5fe0465f76
[INFO] running `Command { std: "docker" "start" "-a" "a3b3ce961c2865d612382e52eaa7d4692c4967545282fe81e0f25d5fe0465f76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] error: failed to build archive at `/opt/rustwide/target/debug/deps/libsyn-ce70a3569e9d1128.rlib`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synstructure` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ca77504943887037504c7fc0b9bf06dab3910373/bin/rustc --crate-name synstructure --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/synstructure-0.13.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "proc-macro"))' -C metadata=33954cef1907bd43 -C extra-filename=-5231632ddcb457a5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4e62cd6a2b1a5fc1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4022ad15947cb5dd.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-ce70a3569e9d1128.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaIQIP1V/full.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `darling_core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a3b3ce961c2865d612382e52eaa7d4692c4967545282fe81e0f25d5fe0465f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b3ce961c2865d612382e52eaa7d4692c4967545282fe81e0f25d5fe0465f76", kill_on_drop: false }`
[INFO] [stdout] a3b3ce961c2865d612382e52eaa7d4692c4967545282fe81e0f25d5fe0465f76