[INFO] fetching crate enum-flags 0.4.0...
[INFO] checking enum-flags-0.4.0 against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] extracting crate enum-flags 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate enum-flags 0.4.0 on toolchain 50b21af28e291c419ae81eebcb7705fb4200dc90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum-flags 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate enum-flags 0.4.0
[INFO] tweaked toml for crates.io crate enum-flags 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.96)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70a1ec7e608bac74c197b153ea8d6a3e772def7161c4696972ace97cd741353c
[INFO] running `Command { std: "docker" "start" "-a" "70a1ec7e608bac74c197b153ea8d6a3e772def7161c4696972ace97cd741353c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70a1ec7e608bac74c197b153ea8d6a3e772def7161c4696972ace97cd741353c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a1ec7e608bac74c197b153ea8d6a3e772def7161c4696972ace97cd741353c", kill_on_drop: false }`
[INFO] [stdout] 70a1ec7e608bac74c197b153ea8d6a3e772def7161c4696972ace97cd741353c
[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" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d4f39ab053a1d68c96beb404c51730b9bb53556dccad8fac090c4dfd8806e8f
[INFO] running `Command { std: "docker" "start" "-a" "5d4f39ab053a1d68c96beb404c51730b9bb53556dccad8fac090c4dfd8806e8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/quote-cb6e27318fa39397/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: failed to write to `/opt/rustwide/target/debug/deps/rmetarTY5yI/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5d4f39ab053a1d68c96beb404c51730b9bb53556dccad8fac090c4dfd8806e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4f39ab053a1d68c96beb404c51730b9bb53556dccad8fac090c4dfd8806e8f", kill_on_drop: false }`
[INFO] [stdout] 5d4f39ab053a1d68c96beb404c51730b9bb53556dccad8fac090c4dfd8806e8f