[INFO] cloning repository https://github.com/hagsteel/gut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hagsteel/gut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhagsteel%2Fgut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhagsteel%2Fgut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aec2981b86be80f70291472d2456e3083a1fe2e4
[INFO] documenting hagsteel/gut against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhagsteel%2Fgut" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hagsteel/gut on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hagsteel/gut
[INFO] finished tweaking git repo https://github.com/hagsteel/gut
[INFO] tweaked toml for git repo https://github.com/hagsteel/gut written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hagsteel/gut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "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] 02030f7a6c45ecd5c4578a6de1a3ae32250a7d91c255358727f6846ce6b474e0
[INFO] running `Command { std: "docker" "start" "-a" "02030f7a6c45ecd5c4578a6de1a3ae32250a7d91c255358727f6846ce6b474e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02030f7a6c45ecd5c4578a6de1a3ae32250a7d91c255358727f6846ce6b474e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02030f7a6c45ecd5c4578a6de1a3ae32250a7d91c255358727f6846ce6b474e0", kill_on_drop: false }`
[INFO] [stdout] 02030f7a6c45ecd5c4578a6de1a3ae32250a7d91c255358727f6846ce6b474e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98a89463f0d40510a0df5664ea658f811b71a7f75376e8e12fa65116369e2231
[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" "98a89463f0d40510a0df5664ea658f811b71a7f75376e8e12fa65116369e2231", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking hex v0.3.2
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[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking opener v0.4.1
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[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unicode-normalization v0.1.11
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking ignore v0.4.14
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.16
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking git2 v0.11.0
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking git2-curl v0.12.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking tokio v0.2.8
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_ignored v0.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking crates-io v0.31.0
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking reqwest v0.10.0
[INFO] [stderr]     Checking cargo v0.43.1
[INFO] [stderr]  Documenting gdt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "98a89463f0d40510a0df5664ea658f811b71a7f75376e8e12fa65116369e2231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a89463f0d40510a0df5664ea658f811b71a7f75376e8e12fa65116369e2231", kill_on_drop: false }`
[INFO] [stdout] 98a89463f0d40510a0df5664ea658f811b71a7f75376e8e12fa65116369e2231