[INFO] fetching crate singleton-attr 0.1.9...
[INFO] checking singleton-attr-0.1.9 against try#a0cd57eba5d417638d3351ba13fc414ad1a24bec for pr-134688
[INFO] extracting crate singleton-attr 0.1.9 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate singleton-attr 0.1.9 on toolchain a0cd57eba5d417638d3351ba13fc414ad1a24bec
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate singleton-attr 0.1.9
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate singleton-attr 0.1.9
[INFO] tweaked toml for crates.io crate singleton-attr 0.1.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate singleton-attr 0.1.9 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" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded singleton-attr-proc-macro v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbf87ea03a8a290b7e9c2911b4c2d05bab96033560af13af91a33868347ff470
[INFO] running `Command { std: "docker" "start" "-a" "bbf87ea03a8a290b7e9c2911b4c2d05bab96033560af13af91a33868347ff470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf87ea03a8a290b7e9c2911b4c2d05bab96033560af13af91a33868347ff470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf87ea03a8a290b7e9c2911b4c2d05bab96033560af13af91a33868347ff470", kill_on_drop: false }`
[INFO] [stdout] bbf87ea03a8a290b7e9c2911b4c2d05bab96033560af13af91a33868347ff470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f811c83ffe4a3d673f734113030a9ce8017caa077049134df1384ba77e56a7ae
[INFO] running `Command { std: "docker" "start" "-a" "f811c83ffe4a3d673f734113030a9ce8017caa077049134df1384ba77e56a7ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/unicode-ident-f2de522ba645d884/invoked.timestamp`
[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: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/build/proc-macro2-8c68ecd7d948d827/rmetaZhCjuj"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f811c83ffe4a3d673f734113030a9ce8017caa077049134df1384ba77e56a7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f811c83ffe4a3d673f734113030a9ce8017caa077049134df1384ba77e56a7ae", kill_on_drop: false }`
[INFO] [stdout] f811c83ffe4a3d673f734113030a9ce8017caa077049134df1384ba77e56a7ae