[INFO] cloning repository https://github.com/kata-gatame/discord-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kata-gatame/discord-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkata-gatame%2Fdiscord-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkata-gatame%2Fdiscord-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46597262c3ca261f64a3b1336568cc5a917c244c
[INFO] documenting kata-gatame/discord-sandbox against 1.55.0 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkata-gatame%2Fdiscord-sandbox" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kata-gatame/discord-sandbox on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kata-gatame/discord-sandbox
[INFO] finished tweaking git repo https://github.com/kata-gatame/discord-sandbox
[INFO] tweaked toml for git repo https://github.com/kata-gatame/discord-sandbox written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/kata-gatame/discord-sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba0e5ef3f058c0e136b358534225afee835e4c7f2e8b630591f1d42ee3cd57d2
[INFO] running `Command { std: "docker" "start" "-a" "ba0e5ef3f058c0e136b358534225afee835e4c7f2e8b630591f1d42ee3cd57d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba0e5ef3f058c0e136b358534225afee835e4c7f2e8b630591f1d42ee3cd57d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0e5ef3f058c0e136b358534225afee835e4c7f2e8b630591f1d42ee3cd57d2", kill_on_drop: false }`
[INFO] [stdout] ba0e5ef3f058c0e136b358534225afee835e4c7f2e8b630591f1d42ee3cd57d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75fa5a0f4746b05aa073841eb93cdfd4a3d76d8874bd831e553c0b3d4dc0941b
[INFO] running `Command { std: "docker" "start" "-a" "75fa5a0f4746b05aa073841eb93cdfd4a3d76d8874bd831e553c0b3d4dc0941b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
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[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.3
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[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]    Compiling tokio v1.4.0
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[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling mime_guess v2.0.3
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[INFO] [stderr]    Compiling phf_generator v0.8.0
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[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
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[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
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[INFO] [stderr]    Compiling pin-project-internal v1.0.5
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[INFO] [stderr]     Checking select v0.6.0-alpha.1
[INFO] [stderr]  Documenting discord_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "75fa5a0f4746b05aa073841eb93cdfd4a3d76d8874bd831e553c0b3d4dc0941b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fa5a0f4746b05aa073841eb93cdfd4a3d76d8874bd831e553c0b3d4dc0941b", kill_on_drop: false }`
[INFO] [stdout] 75fa5a0f4746b05aa073841eb93cdfd4a3d76d8874bd831e553c0b3d4dc0941b