[INFO] fetching crate variant_counter 0.4.0...
[INFO] checking variant_counter-0.4.0 against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] extracting crate variant_counter 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate variant_counter 0.4.0 on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate variant_counter 0.4.0
[INFO] finished tweaking crates.io crate variant_counter 0.4.0
[INFO] tweaked toml for crates.io crate variant_counter 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate variant_counter 0.4.0 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" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25d1b2ca69c35ecbb8368a7192302acb0802c9fe123f33eaec899437bebf5d72
[INFO] running `Command { std: "docker" "start" "-a" "25d1b2ca69c35ecbb8368a7192302acb0802c9fe123f33eaec899437bebf5d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25d1b2ca69c35ecbb8368a7192302acb0802c9fe123f33eaec899437bebf5d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d1b2ca69c35ecbb8368a7192302acb0802c9fe123f33eaec899437bebf5d72", kill_on_drop: false }`
[INFO] [stdout] 25d1b2ca69c35ecbb8368a7192302acb0802c9fe123f33eaec899437bebf5d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2663fd1c323cb409fa9a47e99800ad9891ac995fbe066a7afa414b709e7c1781
[INFO] running `Command { std: "docker" "start" "-a" "2663fd1c323cb409fa9a47e99800ad9891ac995fbe066a7afa414b709e7c1781", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/quote-9d083ea772f8a688.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/quote-9d083ea772f8a688/dep-lib-quote`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetarx0Fwb/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2663fd1c323cb409fa9a47e99800ad9891ac995fbe066a7afa414b709e7c1781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2663fd1c323cb409fa9a47e99800ad9891ac995fbe066a7afa414b709e7c1781", kill_on_drop: false }`
[INFO] [stdout] 2663fd1c323cb409fa9a47e99800ad9891ac995fbe066a7afa414b709e7c1781