[INFO] fetching crate smash-arc 0.2.1...
[INFO] testing smash-arc-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate smash-arc 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate smash-arc 0.2.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smash-arc 0.2.1
[INFO] finished tweaking crates.io crate smash-arc 0.2.1
[INFO] tweaked toml for crates.io crate smash-arc 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f38a976d6d787c9b09958bf3f858a3a755b0d39e8fea7dedf3433bb923b82803
[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" "f38a976d6d787c9b09958bf3f858a3a755b0d39e8fea7dedf3433bb923b82803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f38a976d6d787c9b09958bf3f858a3a755b0d39e8fea7dedf3433bb923b82803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38a976d6d787c9b09958bf3f858a3a755b0d39e8fea7dedf3433bb923b82803", kill_on_drop: false }`
[INFO] [stdout] f38a976d6d787c9b09958bf3f858a3a755b0d39e8fea7dedf3433bb923b82803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dd07d2135c0a9d5c0c9d6afd1c176c47885a7dfeb9834f61ab4a5ae2330174e
[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" "8dd07d2135c0a9d5c0c9d6afd1c176c47885a7dfeb9834f61ab4a5ae2330174e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling network-reader-adapter v0.1.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling binread_derive v1.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling modular-bitfield-impl v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling modular-bitfield v0.10.0
[INFO] [stderr]    Compiling binread v1.4.1
[INFO] [stderr]    Compiling smash-arc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: At least one ZSTD backend feature must be enabled
[INFO] [stdout]   --> src/zstd_backend/mod.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | compile_error!("At least one ZSTD backend feature must be enabled");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smash-arc` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8dd07d2135c0a9d5c0c9d6afd1c176c47885a7dfeb9834f61ab4a5ae2330174e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd07d2135c0a9d5c0c9d6afd1c176c47885a7dfeb9834f61ab4a5ae2330174e", kill_on_drop: false }`
[INFO] [stdout] 8dd07d2135c0a9d5c0c9d6afd1c176c47885a7dfeb9834f61ab4a5ae2330174e