[INFO] fetching crate structdb 0.16.0...
[INFO] testing structdb-0.16.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate structdb 0.16.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate structdb 0.16.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structdb 0.16.0
[INFO] finished tweaking crates.io crate structdb 0.16.0
[INFO] tweaked toml for crates.io crate structdb 0.16.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte_counter v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e21c4b038b17ab672603988419f7f028345efaa484a2160ae6e8254e3a5842a9
[INFO] running `Command { std: "docker" "start" "-a" "e21c4b038b17ab672603988419f7f028345efaa484a2160ae6e8254e3a5842a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e21c4b038b17ab672603988419f7f028345efaa484a2160ae6e8254e3a5842a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21c4b038b17ab672603988419f7f028345efaa484a2160ae6e8254e3a5842a9", kill_on_drop: false }`
[INFO] [stdout] e21c4b038b17ab672603988419f7f028345efaa484a2160ae6e8254e3a5842a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 977f7cfddf76a5f2328bae9d9f449e4d5a67367a2304a26c8211f1d8b14f7d35
[INFO] running `Command { std: "docker" "start" "-a" "977f7cfddf76a5f2328bae9d9f449e4d5a67367a2304a26c8211f1d8b14f7d35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling lz4-sys v1.9.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling byte_counter v0.3.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/byte_counter-0.3.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(step_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `byte_counter` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "977f7cfddf76a5f2328bae9d9f449e4d5a67367a2304a26c8211f1d8b14f7d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977f7cfddf76a5f2328bae9d9f449e4d5a67367a2304a26c8211f1d8b14f7d35", kill_on_drop: false }`
[INFO] [stdout] 977f7cfddf76a5f2328bae9d9f449e4d5a67367a2304a26c8211f1d8b14f7d35
[INFO] testing structdb-0.16.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate structdb 0.16.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate structdb 0.16.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structdb 0.16.0
[INFO] finished tweaking crates.io crate structdb 0.16.0
[INFO] tweaked toml for crates.io crate structdb 0.16.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 803c6e1ea2040bbf4d5cdc197f035a09b73e67fd7dc68750f6a2b4f3a63cdc3e
[INFO] running `Command { std: "docker" "start" "-a" "803c6e1ea2040bbf4d5cdc197f035a09b73e67fd7dc68750f6a2b4f3a63cdc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "803c6e1ea2040bbf4d5cdc197f035a09b73e67fd7dc68750f6a2b4f3a63cdc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803c6e1ea2040bbf4d5cdc197f035a09b73e67fd7dc68750f6a2b4f3a63cdc3e", kill_on_drop: false }`
[INFO] [stdout] 803c6e1ea2040bbf4d5cdc197f035a09b73e67fd7dc68750f6a2b4f3a63cdc3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 564ee5a71884d5dd108711fa6805249a1e64726d6dd2f6cbe824a238d8a49e87
[INFO] running `Command { std: "docker" "start" "-a" "564ee5a71884d5dd108711fa6805249a1e64726d6dd2f6cbe824a238d8a49e87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling lz4-sys v1.9.4
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling byte_counter v0.3.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/byte_counter-0.3.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(step_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `byte_counter` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "564ee5a71884d5dd108711fa6805249a1e64726d6dd2f6cbe824a238d8a49e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564ee5a71884d5dd108711fa6805249a1e64726d6dd2f6cbe824a238d8a49e87", kill_on_drop: false }`
[INFO] [stdout] 564ee5a71884d5dd108711fa6805249a1e64726d6dd2f6cbe824a238d8a49e87
