[INFO] cloning repository https://github.com/archer884/srand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/srand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fsrand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fsrand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f43d7139f24290678fd26474e85b200cbf62927
[INFO] documenting archer884/srand 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%2Farcher884%2Fsrand" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/srand 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/archer884/srand
[INFO] finished tweaking git repo https://github.com/archer884/srand
[INFO] tweaked toml for git repo https://github.com/archer884/srand written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/srand 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 git repository `https://github.com/iron/iron`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/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[INFO] the lockfile is outdated, regenerating it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]     Updating git repository `https://github.com/iron/iron`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a50738bc5bc9243ab984ba6961a82950b94a81e034be5ed4174190e115154178
[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" "a50738bc5bc9243ab984ba6961a82950b94a81e034be5ed4174190e115154178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a50738bc5bc9243ab984ba6961a82950b94a81e034be5ed4174190e115154178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50738bc5bc9243ab984ba6961a82950b94a81e034be5ed4174190e115154178", kill_on_drop: false }`
[INFO] [stdout] a50738bc5bc9243ab984ba6961a82950b94a81e034be5ed4174190e115154178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b01c1e30667f2f1ba0f8fba81db7c864d3d6e8ff1f84369949ae13b52582a877
[INFO] running `Command { std: "docker" "start" "-a" "b01c1e30667f2f1ba0f8fba81db7c864d3d6e8ff1f84369949ae13b52582a877", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking iron v0.6.0 (https://github.com/iron/iron#e38695bf)
[INFO] [stderr]  Documenting srand v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `"rustc-serialize"`
[INFO] [stdout]  --> src/main.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate "rustc-serialize" as rustc_serialize;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `srand`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name srand src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern iron=/opt/rustwide/target/debug/deps/libiron-a791d3b677a6bee4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-11946bb198eefaee.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-eddfb9427ca0b1f2.rmeta --cap-lints=warn --crate-version 0.0.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "b01c1e30667f2f1ba0f8fba81db7c864d3d6e8ff1f84369949ae13b52582a877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01c1e30667f2f1ba0f8fba81db7c864d3d6e8ff1f84369949ae13b52582a877", kill_on_drop: false }`
[INFO] [stdout] b01c1e30667f2f1ba0f8fba81db7c864d3d6e8ff1f84369949ae13b52582a877