[INFO] cloning repository https://github.com/leops/fabric
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leops/fabric" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleops%2Ffabric", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleops%2Ffabric'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7a71442b940a633d0d613738a2d9eafb6ed03bb
[INFO] documenting leops/fabric against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleops%2Ffabric" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leops/fabric on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leops/fabric
[INFO] finished tweaking git repo https://github.com/leops/fabric
[INFO] tweaked toml for git repo https://github.com/leops/fabric written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/leops/fabric already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba7dc36ad798d50d354aa6af9f05f1fd3d5e5592d1684d184cade10a6034576b
[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" "ba7dc36ad798d50d354aa6af9f05f1fd3d5e5592d1684d184cade10a6034576b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba7dc36ad798d50d354aa6af9f05f1fd3d5e5592d1684d184cade10a6034576b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7dc36ad798d50d354aa6af9f05f1fd3d5e5592d1684d184cade10a6034576b", kill_on_drop: false }`
[INFO] [stdout] ba7dc36ad798d50d354aa6af9f05f1fd3d5e5592d1684d184cade10a6034576b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74ac5cdc9a04edf5875dc33390972cdf78cfadae0268cccb23ce93652b5ae112
[INFO] running `Command { std: "docker" "start" "-a" "74ac5cdc9a04edf5875dc33390972cdf78cfadae0268cccb23ce93652b5ae112", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling cranelift-entity v0.67.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.67.0
[INFO] [stderr]    Compiling target-lexicon v0.11.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking byteorder v1.3.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking indexmap v1.3.2
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking wast v26.0.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.67.0
[INFO] [stderr]     Checking cranelift-bforest v0.67.0
[INFO] [stderr]     Checking regalloc v0.0.30
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking wat v1.0.27
[INFO] [stderr]  Documenting fabric-codegen v0.1.0 (/opt/rustwide/workdir/codegen)
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling fabric-codegen v0.1.0 (/opt/rustwide/workdir/codegen)
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling cranelift-codegen v0.67.0
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking cranelift-frontend v0.67.0
[INFO] [stderr]     Checking cranelift-native v0.67.0
[INFO] [stderr]     Checking cranelift-module v0.67.0
[INFO] [stderr]     Checking cranelift-simplejit v0.67.0
[INFO] [stderr]     Checking cranelift-wasm v0.67.0
[INFO] [stderr]     Checking fabric-runtime v0.1.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]  Documenting fabric-runtime v0.1.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]  Documenting fabric-addon v0.1.0 (/opt/rustwide/workdir/addon)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> addon/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> addon/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(abi_thiscall)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> addon/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> addon/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn_fn_ptr_basics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fabric-addon`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-name fabric addon/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ctor=/opt/rustwide/target/debug/deps/libctor-448db4256fe42cf0.so --extern fabric_codegen=/opt/rustwide/target/debug/deps/libfabric_codegen-f347c85ba7354228.so --extern fabric_runtime=/opt/rustwide/target/debug/deps/libfabric_runtime-e8ab855ceede8f2a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-691ab5684cbbcf3e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "74ac5cdc9a04edf5875dc33390972cdf78cfadae0268cccb23ce93652b5ae112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ac5cdc9a04edf5875dc33390972cdf78cfadae0268cccb23ce93652b5ae112", kill_on_drop: false }`
[INFO] [stdout] 74ac5cdc9a04edf5875dc33390972cdf78cfadae0268cccb23ce93652b5ae112
