[INFO] fetching crate sane-fmt 0.4.5...
[INFO] documenting sane-fmt-0.4.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate sane-fmt 0.4.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sane-fmt 0.4.5 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 crates.io crate sane-fmt 0.4.5
[INFO] finished tweaking crates.io crate sane-fmt 0.4.5
[INFO] tweaked toml for crates.io crate sane-fmt 0.4.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate sane-fmt 0.4.5 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]  Downloading crates ...
[INFO] [stderr]   Downloaded is-macro v0.1.8
[INFO] [stderr]   Downloaded from_variant v0.1.2
[INFO] [stderr]   Downloaded swc_atoms v0.2.2
[INFO] [stderr]   Downloaded pmutil v0.5.3
[INFO] [stderr]   Downloaded swc_visit v0.1.0
[INFO] [stderr]   Downloaded swc_ecma_ast v0.29.0
[INFO] [stderr]   Downloaded swc_visit_macros v0.1.0
[INFO] [stderr]   Downloaded ast_node v0.7.0
[INFO] [stderr]   Downloaded swc_ecma_visit v0.15.1
[INFO] [stderr]   Downloaded dprint-plugin-typescript v0.30.0
[INFO] [stderr]   Downloaded swc_ecma_parser v0.35.0
[INFO] [stderr]   Downloaded swc_ecma_parser_macros v0.4.1
[INFO] [stderr]   Downloaded enum_kind v0.2.0
[INFO] [stderr]   Downloaded swc_common v0.9.1
[INFO] [stderr]   Downloaded swc_ecmascript v0.5.0
[INFO] [stderr]   Downloaded relative-path v1.3.2
[INFO] [stderr]   Downloaded swc_macros_common v0.3.1
[INFO] [stderr]   Downloaded string_enum v0.3.0
[INFO] [stderr]   Downloaded dprint-core v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0b576c473576a27534945609e2e688b0978b86033bd20ae9a0aa15203b714b49
[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" "0b576c473576a27534945609e2e688b0978b86033bd20ae9a0aa15203b714b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b576c473576a27534945609e2e688b0978b86033bd20ae9a0aa15203b714b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b576c473576a27534945609e2e688b0978b86033bd20ae9a0aa15203b714b49", kill_on_drop: false }`
[INFO] [stdout] 0b576c473576a27534945609e2e688b0978b86033bd20ae9a0aa15203b714b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ecc64fe49c1a8b77a12a314c6419b99938a146cad312246e0093f4b89903af3c
[INFO] running `Command { std: "docker" "start" "-a" "ecc64fe49c1a8b77a12a314c6419b99938a146cad312246e0093f4b89903af3c", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `sane-fmt` in package `sane-fmt v0.4.5 (/opt/rustwide/workdir)` has the same output filename as the lib target `sane_fmt` in package `sane-fmt v0.4.5 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/sane_fmt/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.47.0-beta (51b66125b 2020-08-19) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "sane-fmt", version: "0.4.5", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "sane-fmt", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "sane-fmt", version: "0.4.5", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("sane_fmt", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking pipe-trait v0.2.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking relative-path v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling swc_atoms v0.2.2
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling swc_macros_common v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling swc_visit_macros v0.1.0
[INFO] [stderr]    Compiling from_variant v0.1.2
[INFO] [stderr]    Compiling string_enum v0.3.0
[INFO] [stderr]    Compiling is-macro v0.1.8
[INFO] [stderr]    Compiling enum_kind v0.2.0
[INFO] [stderr]    Compiling swc_ecma_parser_macros v0.4.1
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.0
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking swc_visit v0.1.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking swc_common v0.9.1
[INFO] [stderr]     Checking dprint-core v0.28.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking swc_ecma_ast v0.29.0
[INFO] [stderr]     Checking swc_ecma_visit v0.15.1
[INFO] [stderr]     Checking swc_ecma_parser v0.35.0
[INFO] [stderr]     Checking swc_ecmascript v0.5.0
[INFO] [stderr]     Checking dprint-plugin-typescript v0.30.0
[INFO] [stderr]     Checking sane-fmt v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting sane-fmt v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "ecc64fe49c1a8b77a12a314c6419b99938a146cad312246e0093f4b89903af3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc64fe49c1a8b77a12a314c6419b99938a146cad312246e0093f4b89903af3c", kill_on_drop: false }`
[INFO] [stdout] ecc64fe49c1a8b77a12a314c6419b99938a146cad312246e0093f4b89903af3c