[INFO] cloning repository https://github.com/yaohcn/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaohcn/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaohcn%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaohcn%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 091eccbc701582af5476117ed93c0ae62fc90e3d
[INFO] documenting yaohcn/learn-rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaohcn%2Flearn-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaohcn/learn-rust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaohcn/learn-rust
[INFO] finished tweaking git repo https://github.com/yaohcn/learn-rust
[INFO] tweaked toml for git repo https://github.com/yaohcn/learn-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/yaohcn/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", 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] 439649e5549abc10bb84a029851741a40cf68c3454fa513cb00df5bcd57b4d81
[INFO] running `Command { std: "docker" "start" "-a" "439649e5549abc10bb84a029851741a40cf68c3454fa513cb00df5bcd57b4d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "439649e5549abc10bb84a029851741a40cf68c3454fa513cb00df5bcd57b4d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439649e5549abc10bb84a029851741a40cf68c3454fa513cb00df5bcd57b4d81", kill_on_drop: false }`
[INFO] [stdout] 439649e5549abc10bb84a029851741a40cf68c3454fa513cb00df5bcd57b4d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b338222a94d59e7687a3426be8136273ff74f3d2a17644becc87765c86d32b98
[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" "b338222a94d59e7687a3426be8136273ff74f3d2a17644becc87765c86d32b98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling bytecheck v0.6.7
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling rkyv v0.7.28
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.76.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling cranelift-entity v0.76.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.1.0
[INFO] [stderr]     Checking add-two v0.1.0 (/opt/rustwide/workdir/add/add-two)
[INFO] [stderr]     Checking add-three v0.1.0 (/opt/rustwide/workdir/add/add-three)
[INFO] [stderr]     Checking add-one v0.1.0 (/opt/rustwide/workdir/add/add-one)
[INFO] [stderr]  Documenting add-one-wasm v0.1.0 (/opt/rustwide/workdir/wasmer/add-one-wasm)
[INFO] [stderr]  Documenting add-two v0.1.0 (/opt/rustwide/workdir/add/add-two)
[INFO] [stderr]  Documenting add-three v0.1.0 (/opt/rustwide/workdir/add/add-three)
[INFO] [stderr]  Documenting add-one v0.1.0 (/opt/rustwide/workdir/add/add-one)
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wasmer-vm v2.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking libloading v0.7.2
[INFO] [stderr]     Checking wast v38.0.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.76.0
[INFO] [stderr]     Checking cranelift-bforest v0.76.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]  Documenting adder v0.1.0 (/opt/rustwide/workdir/add/adder)
[INFO] [stderr]     Checking crc32fast v1.3.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]     Checking memmap2 v0.5.0
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]  Documenting ffi-snappy v0.1.0 (/opt/rustwide/workdir/ffi-snappy)
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wat v1.0.40
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.7
[INFO] [stderr]    Compiling rkyv_derive v0.7.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling wasmer-derive v2.1.0
[INFO] [stderr]    Compiling cranelift-codegen v0.76.0
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling enumset_derive v0.5.5
[INFO] [stderr]     Checking enumset v1.0.8
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking loupe v0.1.3
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking wasmer-types v2.1.0
[INFO] [stderr]     Checking backtrace v0.3.63
[INFO] [stderr]     Checking wasmer-compiler v2.1.0
[INFO] [stderr]     Checking wasmer-engine v2.1.0
[INFO] [stderr]     Checking wasmer-object v2.1.0
[INFO] [stderr]     Checking wasmer-engine-dylib v2.1.0
[INFO] [stderr]     Checking wasmer-engine-universal v2.1.0
[INFO] [stderr]     Checking cranelift-frontend v0.76.0
[INFO] [stderr]     Checking wasmer v2.1.0
[INFO] [stderr]  Documenting instance v0.1.0 (/opt/rustwide/workdir/wasmer/instance)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 46s
[INFO] running `Command { std: "docker" "inspect" "b338222a94d59e7687a3426be8136273ff74f3d2a17644becc87765c86d32b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b338222a94d59e7687a3426be8136273ff74f3d2a17644becc87765c86d32b98", kill_on_drop: false }`
[INFO] [stdout] b338222a94d59e7687a3426be8136273ff74f3d2a17644becc87765c86d32b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] a82d2e1fc423794a76535e8ac5ae79908bdfe9bea46ce25ece334690e31d72c2
[INFO] running `Command { std: "docker" "start" "-a" "a82d2e1fc423794a76535e8ac5ae79908bdfe9bea46ce25ece334690e31d72c2", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "a82d2e1fc423794a76535e8ac5ae79908bdfe9bea46ce25ece334690e31d72c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82d2e1fc423794a76535e8ac5ae79908bdfe9bea46ce25ece334690e31d72c2", kill_on_drop: false }`
[INFO] [stdout] a82d2e1fc423794a76535e8ac5ae79908bdfe9bea46ce25ece334690e31d72c2