[INFO] cloning repository https://github.com/bjorn3/rustc_codegen_cranelift
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bjorn3/rustc_codegen_cranelift" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjorn3%2Frustc_codegen_cranelift", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjorn3%2Frustc_codegen_cranelift'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b0f3a0a1e25e2ac207c99492fd2a0f6fc356f35
[INFO] documenting bjorn3/rustc_codegen_cranelift against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjorn3%2Frustc_codegen_cranelift" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bjorn3/rustc_codegen_cranelift on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bjorn3/rustc_codegen_cranelift
[INFO] finished tweaking git repo https://github.com/bjorn3/rustc_codegen_cranelift
[INFO] tweaked toml for git repo https://github.com/bjorn3/rustc_codegen_cranelift written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bjorn3/rustc_codegen_cranelift already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/bjorn3/rust-ar.git`
[INFO] [stderr]     Updating git repository `https://github.com/bytecodealliance/wasmtime/`
[INFO] [stderr]     Updating git submodule `https://github.com/WebAssembly/WASI`
[INFO] [stderr]     Updating git submodule `https://github.com/WebAssembly/wasm-c-api`
[INFO] [stderr]     Updating git submodule `https://github.com/WebAssembly/testsuite`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a0c6f8183897a100d299d1dc557142e50c097bf43192287b964eea376419302
[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" "8a0c6f8183897a100d299d1dc557142e50c097bf43192287b964eea376419302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a0c6f8183897a100d299d1dc557142e50c097bf43192287b964eea376419302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0c6f8183897a100d299d1dc557142e50c097bf43192287b964eea376419302", kill_on_drop: false }`
[INFO] [stdout] 8a0c6f8183897a100d299d1dc557142e50c097bf43192287b964eea376419302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] a48b48e9ed3fa61aa9ea651914aed18b1720d4ae55e72525a7e0473fb73136dc
[INFO] running `Command { std: "docker" "start" "-a" "a48b48e9ed3fa61aa9ea651914aed18b1720d4ae55e72525a7e0473fb73136dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cranelift-entity v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]     Checking ar v0.8.0 (https://github.com/bjorn3/rust-ar.git?branch=do_not_remove_cg_clif_ranlib#de9ab0e5)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]     Checking cranelift-bforest v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]     Checking regalloc v0.0.30
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling cranelift-codegen v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]     Checking cranelift-module v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]     Checking cranelift-native v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]     Checking cranelift-frontend v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]     Checking cranelift-object v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]     Checking cranelift-simplejit v0.66.0 (https://github.com/bytecodealliance/wasmtime/?branch=main#693c6ea7)
[INFO] [stderr]  Documenting rustc_codegen_cranelift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `flate2`
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate flate2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rustc_codegen_cranelift`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type dylib --crate-name rustc_codegen_cranelift src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="cranelift-simplejit"' --cfg 'feature="default"' --cfg 'feature="inline_asm"' --cfg 'feature="jit"' --cfg 'feature="libloading"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ar=/opt/rustwide/target/debug/deps/libar-f3553a434fba0ccf.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-49224f7e4311901e.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-3a3fd97fba7c6318.rmeta --extern cranelift_codegen=/opt/rustwide/target/debug/deps/libcranelift_codegen-dd39742eac763123.rmeta --extern cranelift_frontend=/opt/rustwide/target/debug/deps/libcranelift_frontend-803247042a6fbb79.rmeta --extern cranelift_module=/opt/rustwide/target/debug/deps/libcranelift_module-3b63fdb9a78ef932.rmeta --extern cranelift_object=/opt/rustwide/target/debug/deps/libcranelift_object-2e6aeb00241bf14c.rmeta --extern cranelift_simplejit=/opt/rustwide/target/debug/deps/libcranelift_simplejit-0a8fd1e8baf7fd5d.rmeta --extern gimli=/opt/rustwide/target/debug/deps/libgimli-584e25806b9fa497.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-6c705d522be5b299.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-55932819d02ec0b0.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-1ac306a6029b0f95.rmeta --extern object=/opt/rustwide/target/debug/deps/libobject-36f021c2a4224b7a.rmeta --extern target_lexicon=/opt/rustwide/target/debug/deps/libtarget_lexicon-7053f4cb7c7ce74c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a48b48e9ed3fa61aa9ea651914aed18b1720d4ae55e72525a7e0473fb73136dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48b48e9ed3fa61aa9ea651914aed18b1720d4ae55e72525a7e0473fb73136dc", kill_on_drop: false }`
[INFO] [stdout] a48b48e9ed3fa61aa9ea651914aed18b1720d4ae55e72525a7e0473fb73136dc