[INFO] cloning repository https://github.com/rust3dr3d/iterate_enum_basic_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust3dr3d/iterate_enum_basic_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust3dr3d%2Fiterate_enum_basic_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust3dr3d%2Fiterate_enum_basic_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 469a75c0a72dee058fbea2379fe47abab24a0f1d
[INFO] testing rust3dr3d/iterate_enum_basic_demo against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust3dr3d%2Fiterate_enum_basic_demo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust3dr3d/iterate_enum_basic_demo on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust3dr3d/iterate_enum_basic_demo
[INFO] finished tweaking git repo https://github.com/rust3dr3d/iterate_enum_basic_demo
[INFO] tweaked toml for git repo https://github.com/rust3dr3d/iterate_enum_basic_demo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust3dr3d/iterate_enum_basic_demo 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 769085f61ca68915d8e27f1ff4d42d7d8a5e2557cd41ad78bedbb17d99680ca5
[INFO] running `Command { std: "docker" "start" "-a" "769085f61ca68915d8e27f1ff4d42d7d8a5e2557cd41ad78bedbb17d99680ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769085f61ca68915d8e27f1ff4d42d7d8a5e2557cd41ad78bedbb17d99680ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769085f61ca68915d8e27f1ff4d42d7d8a5e2557cd41ad78bedbb17d99680ca5", kill_on_drop: false }`
[INFO] [stdout] 769085f61ca68915d8e27f1ff4d42d7d8a5e2557cd41ad78bedbb17d99680ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8219a64b179bd713c7b8ed3b42a2efd5a6213bbeed9b72913cb62be1611e36a
[INFO] running `Command { std: "docker" "start" "-a" "b8219a64b179bd713c7b8ed3b42a2efd5a6213bbeed9b72913cb62be1611e36a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stdout] error: failed to build archive at `/opt/rustwide/target/debug/deps/libsyn-4098b8bd8b442fb3.rlib`: 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" "b8219a64b179bd713c7b8ed3b42a2efd5a6213bbeed9b72913cb62be1611e36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8219a64b179bd713c7b8ed3b42a2efd5a6213bbeed9b72913cb62be1611e36a", kill_on_drop: false }`
[INFO] [stdout] b8219a64b179bd713c7b8ed3b42a2efd5a6213bbeed9b72913cb62be1611e36a