[INFO] fetching crate enum_to_str_derive 0.3.0... [INFO] checking enum_to_str_derive-0.3.0 against beta for pr-78714 [INFO] extracting crate enum_to_str_derive 0.3.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate enum_to_str_derive 0.3.0 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate enum_to_str_derive 0.3.0 [INFO] finished tweaking crates.io crate enum_to_str_derive 0.3.0 [INFO] tweaked toml for crates.io crate enum_to_str_derive 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7ebe0275bb915af899c2aee582fcb71b1f06782e77043fef299f23b20c4bb63 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a7ebe0275bb915af899c2aee582fcb71b1f06782e77043fef299f23b20c4bb63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7ebe0275bb915af899c2aee582fcb71b1f06782e77043fef299f23b20c4bb63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ebe0275bb915af899c2aee582fcb71b1f06782e77043fef299f23b20c4bb63", kill_on_drop: false }` [INFO] [stdout] a7ebe0275bb915af899c2aee582fcb71b1f06782e77043fef299f23b20c4bb63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d58f4082ae7cf155c30390f1d9217110f1889978bbbbeca00e8509e250398ca6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d58f4082ae7cf155c30390f1d9217110f1889978bbbbeca00e8509e250398ca6", kill_on_drop: false }` [INFO] [stderr] Checking syn v0.15.44 [INFO] [stderr] Checking proc_macro_helper v0.3.0 [INFO] [stderr] Checking enum_to_str_derive v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.18s [INFO] running `Command { std: "docker" "inspect" "d58f4082ae7cf155c30390f1d9217110f1889978bbbbeca00e8509e250398ca6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d58f4082ae7cf155c30390f1d9217110f1889978bbbbeca00e8509e250398ca6", kill_on_drop: false }` [INFO] [stdout] d58f4082ae7cf155c30390f1d9217110f1889978bbbbeca00e8509e250398ca6