[INFO] fetching crate smash-arc 0.2.1...
[INFO] checking smash-arc-0.2.1 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate smash-arc 0.2.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate smash-arc 0.2.1 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c437d511be26d66d87b346646d50688343fa2d22cbb12c7240e4951a03dcf843
[INFO] running `Command { std: "docker" "start" "-a" "c437d511be26d66d87b346646d50688343fa2d22cbb12c7240e4951a03dcf843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c437d511be26d66d87b346646d50688343fa2d22cbb12c7240e4951a03dcf843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c437d511be26d66d87b346646d50688343fa2d22cbb12c7240e4951a03dcf843", kill_on_drop: false }`
[INFO] [stdout] c437d511be26d66d87b346646d50688343fa2d22cbb12c7240e4951a03dcf843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 434769ecdbff5f0c9cc144633317ff41dd211f8e4d6dbf47719b974b5fa77563
[INFO] running `Command { std: "docker" "start" "-a" "434769ecdbff5f0c9cc144633317ff41dd211f8e4d6dbf47719b974b5fa77563", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking network-reader-adapter v0.1.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling binread_derive v1.4.3
[INFO] [stderr]    Compiling modular-bitfield-impl v0.10.0
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking modular-bitfield v0.10.0
[INFO] [stderr]     Checking binread v1.4.1
[INFO] [stderr]     Checking 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: 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "434769ecdbff5f0c9cc144633317ff41dd211f8e4d6dbf47719b974b5fa77563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434769ecdbff5f0c9cc144633317ff41dd211f8e4d6dbf47719b974b5fa77563", kill_on_drop: false }`
[INFO] [stdout] 434769ecdbff5f0c9cc144633317ff41dd211f8e4d6dbf47719b974b5fa77563