[INFO] cloning repository https://github.com/gluon-lang/gluon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gluon-lang/gluon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgluon-lang%2Fgluon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgluon-lang%2Fgluon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e656d18c1342314f0ac6a7d6334cf33b8dd6a34
[INFO] documenting gluon-lang/gluon 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%2Fgluon-lang%2Fgluon" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gluon-lang/gluon 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/gluon-lang/gluon
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] removed workspace from git repo https://github.com/gluon-lang/gluon
[INFO] removed path dependency gluon_base from git repo https://github.com/gluon-lang/gluon
[INFO] removed path dependency gluon_check from git repo https://github.com/gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from git repo https://github.com/gluon-lang/gluon
[INFO] removed path dependency gluon_format from git repo https://github.com/gluon-lang/gluon
[INFO] removed path dependency gluon_parser from git repo https://github.com/gluon-lang/gluon
[INFO] removed path dependency gluon_vm from git repo https://github.com/gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from git repo https://github.com/gluon-lang/gluon
[INFO] removed path dependency gluon_completion from git repo https://github.com/gluon-lang/gluon
[INFO] removed path dependency gluon_base from git repo https://github.com/gluon-lang/gluon
[INFO] finished tweaking git repo https://github.com/gluon-lang/gluon
[INFO] tweaked toml for git repo https://github.com/gluon-lang/gluon written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gluon-lang/gluon 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 crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded insta v0.16.1
[INFO] [stderr]   Downloaded compiletest_rs v0.5.0
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] [stderr]   Downloaded tester v0.7.0
[INFO] [stderr]   Downloaded cargo_metadata v0.8.2
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.2
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.5.3
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded little-skeptic v0.15.2
[INFO] [stderr]   Downloaded tensile v0.6.3
[INFO] [stderr]   Downloaded handlebars v2.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 73a20ea6876443f0367fc5641b1cc36503b969ad763338df1515c78cae2b7a9d
[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" "73a20ea6876443f0367fc5641b1cc36503b969ad763338df1515c78cae2b7a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73a20ea6876443f0367fc5641b1cc36503b969ad763338df1515c78cae2b7a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a20ea6876443f0367fc5641b1cc36503b969ad763338df1515c78cae2b7a9d", kill_on_drop: false }`
[INFO] [stdout] 73a20ea6876443f0367fc5641b1cc36503b969ad763338df1515c78cae2b7a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ea5ee1b366bfb7e70eee12e16d68607373d3c41cb36d177c9f38cd3ad42f8782
[INFO] running `Command { std: "docker" "start" "-a" "ea5ee1b366bfb7e70eee12e16d68607373d3c41cb36d177c9f38cd3ad42f8782", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking collect-mac v0.1.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling gluon_vm v0.17.1
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking frunk_core v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]     Checking archery v0.3.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking rpds v0.7.0
[INFO] [stderr]     Checking ordered-float v2.0.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling gluon_codegen v0.17.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling gluon-salsa-macros v0.15.2
[INFO] [stderr]     Checking codespan v0.9.5
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking gluon_base v0.17.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.19.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking gluon-salsa v0.15.2
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking gluon_check v0.17.1
[INFO] [stderr]     Checking gluon_format v0.17.1
[INFO] [stderr]    Compiling gluon v0.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling gluon_parser v0.17.1
[INFO] [stderr]  Documenting gluon v0.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "ea5ee1b366bfb7e70eee12e16d68607373d3c41cb36d177c9f38cd3ad42f8782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5ee1b366bfb7e70eee12e16d68607373d3c41cb36d177c9f38cd3ad42f8782", kill_on_drop: false }`
[INFO] [stdout] ea5ee1b366bfb7e70eee12e16d68607373d3c41cb36d177c9f38cd3ad42f8782