[INFO] fetching crate async-rt 0.1.5...
[INFO] checking async-rt-0.1.5 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] extracting crate async-rt 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate async-rt 0.1.5 on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-rt 0.1.5
[INFO] finished tweaking crates.io crate async-rt 0.1.5
[INFO] tweaked toml for crates.io crate async-rt 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bdaefce52aefc2bd6af41cddf2c55d178240f2723a782e2e0f37c74cbc938a2
[INFO] running `Command { std: "docker" "start" "-a" "9bdaefce52aefc2bd6af41cddf2c55d178240f2723a782e2e0f37c74cbc938a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bdaefce52aefc2bd6af41cddf2c55d178240f2723a782e2e0f37c74cbc938a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdaefce52aefc2bd6af41cddf2c55d178240f2723a782e2e0f37c74cbc938a2", kill_on_drop: false }`
[INFO] [stdout] 9bdaefce52aefc2bd6af41cddf2c55d178240f2723a782e2e0f37c74cbc938a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb24363b9b322e1f49a7e57f1aa6df6a20987881e4109906f4ceb9be7e0e4f43
[INFO] running `Command { std: "docker" "start" "-a" "cb24363b9b322e1f49a7e57f1aa6df6a20987881e4109906f4ceb9be7e0e4f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetabHoRZq/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" "cb24363b9b322e1f49a7e57f1aa6df6a20987881e4109906f4ceb9be7e0e4f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb24363b9b322e1f49a7e57f1aa6df6a20987881e4109906f4ceb9be7e0e4f43", kill_on_drop: false }`
[INFO] [stdout] cb24363b9b322e1f49a7e57f1aa6df6a20987881e4109906f4ceb9be7e0e4f43