[INFO] fetching crate lovm2_std 0.4.8...
[INFO] documenting lovm2_std-0.4.8 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate lovm2_std 0.4.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lovm2_std 0.4.8 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lovm2_std 0.4.8
[INFO] finished tweaking crates.io crate lovm2_std 0.4.8
[INFO] tweaked toml for crates.io crate lovm2_std 0.4.8 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.7.0
[INFO] [stderr]   Downloaded lovm2_module v0.1.0
[INFO] [stderr]   Downloaded lovm2_core v0.4.8
[INFO] [stderr]   Downloaded httptest v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc5886eefb9f1f098ec9a195921db2de252fec9a4ac7f9470b267a0c3031043d
[INFO] running `Command { std: "docker" "start" "-a" "bc5886eefb9f1f098ec9a195921db2de252fec9a4ac7f9470b267a0c3031043d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc5886eefb9f1f098ec9a195921db2de252fec9a4ac7f9470b267a0c3031043d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5886eefb9f1f098ec9a195921db2de252fec9a4ac7f9470b267a0c3031043d", kill_on_drop: false }`
[INFO] [stdout] bc5886eefb9f1f098ec9a195921db2de252fec9a4ac7f9470b267a0c3031043d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ae3df5dd3a685ab96bfae66f91061acc942951b396f5ec10ff6bc6e57c815ff
[INFO] running `Command { std: "docker" "start" "-a" "3ae3df5dd3a685ab96bfae66f91061acc942951b396f5ec10ff6bc6e57c815ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling curl v0.4.43
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling curl-sys v0.4.55+curl-7.83.1
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling lovm2_module v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lovm2_module-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `lovm2_module` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3ae3df5dd3a685ab96bfae66f91061acc942951b396f5ec10ff6bc6e57c815ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae3df5dd3a685ab96bfae66f91061acc942951b396f5ec10ff6bc6e57c815ff", kill_on_drop: false }`
[INFO] [stdout] 3ae3df5dd3a685ab96bfae66f91061acc942951b396f5ec10ff6bc6e57c815ff