[INFO] cloning repository https://github.com/flurrikat/otpkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flurrikat/otpkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflurrikat%2Fotpkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflurrikat%2Fotpkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4206579a63beb767a1ff2330479fb363df9009b0
[INFO] documenting flurrikat/otpkey 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%2Fflurrikat%2Fotpkey" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flurrikat/otpkey 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/flurrikat/otpkey
[INFO] finished tweaking git repo https://github.com/flurrikat/otpkey
[INFO] tweaked toml for git repo https://github.com/flurrikat/otpkey written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/flurrikat/otpkey 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded checked_int_cast v1.0.0
[INFO] [stderr]   Downloaded base32 v0.4.0
[INFO] [stderr]   Downloaded qrcode v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 486cf48e17f60380279399d4efdaa8bb8a3e47cc2ddc3c64ccd96f453d3a077f
[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" "486cf48e17f60380279399d4efdaa8bb8a3e47cc2ddc3c64ccd96f453d3a077f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "486cf48e17f60380279399d4efdaa8bb8a3e47cc2ddc3c64ccd96f453d3a077f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486cf48e17f60380279399d4efdaa8bb8a3e47cc2ddc3c64ccd96f453d3a077f", kill_on_drop: false }`
[INFO] [stdout] 486cf48e17f60380279399d4efdaa8bb8a3e47cc2ddc3c64ccd96f453d3a077f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 13ff4bf4f5cc16c02b6b65233de5cde4a4fc6dc1984593e21ba4387ef4946548
[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" "13ff4bf4f5cc16c02b6b65233de5cde4a4fc6dc1984593e21ba4387ef4946548", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking qrcode v0.10.0
[INFO] [stderr]  Documenting otpkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.45s
[INFO] running `Command { std: "docker" "inspect" "13ff4bf4f5cc16c02b6b65233de5cde4a4fc6dc1984593e21ba4387ef4946548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ff4bf4f5cc16c02b6b65233de5cde4a4fc6dc1984593e21ba4387ef4946548", kill_on_drop: false }`
[INFO] [stdout] 13ff4bf4f5cc16c02b6b65233de5cde4a4fc6dc1984593e21ba4387ef4946548