[INFO] cloning repository https://github.com/SnakeSolid/rust-speed-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SnakeSolid/rust-speed-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnakeSolid%2Frust-speed-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnakeSolid%2Frust-speed-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8121d0d0134130c7e82fdb2ae528bad32fd92fa
[INFO] documenting SnakeSolid/rust-speed-monitor 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%2FSnakeSolid%2Frust-speed-monitor" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SnakeSolid/rust-speed-monitor 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/SnakeSolid/rust-speed-monitor
[INFO] finished tweaking git repo https://github.com/SnakeSolid/rust-speed-monitor
[INFO] tweaked toml for git repo https://github.com/SnakeSolid/rust-speed-monitor written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/SnakeSolid/rust-speed-monitor 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]  Downloading crates ...
[INFO] [stderr]   Downloaded sequence_trie v0.3.6
[INFO] [stderr]   Downloaded mount v0.4.0
[INFO] [stderr]   Downloaded proc-macro-error v0.4.8
[INFO] [stderr]   Downloaded staticfile v0.5.0
[INFO] [stderr]   Downloaded time v0.2.6
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.8
[INFO] [stderr]   Downloaded time-macros-impl v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d12a5951995458cd50520eb5031872d6e7a8b3cff4b7201fdb66eac95b262be5
[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" "d12a5951995458cd50520eb5031872d6e7a8b3cff4b7201fdb66eac95b262be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12a5951995458cd50520eb5031872d6e7a8b3cff4b7201fdb66eac95b262be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12a5951995458cd50520eb5031872d6e7a8b3cff4b7201fdb66eac95b262be5", kill_on_drop: false }`
[INFO] [stdout] d12a5951995458cd50520eb5031872d6e7a8b3cff4b7201fdb66eac95b262be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c8972c4547b3846ab2124294cc1c8c3118f91d4c52de57bbbd8d286ddb49226d
[INFO] running `Command { std: "docker" "start" "-a" "c8972c4547b3846ab2124294cc1c8c3118f91d4c52de57bbbd8d286ddb49226d", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]     Checking time v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[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 structopt v0.3.9
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking speed-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting speed-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "c8972c4547b3846ab2124294cc1c8c3118f91d4c52de57bbbd8d286ddb49226d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8972c4547b3846ab2124294cc1c8c3118f91d4c52de57bbbd8d286ddb49226d", kill_on_drop: false }`
[INFO] [stdout] c8972c4547b3846ab2124294cc1c8c3118f91d4c52de57bbbd8d286ddb49226d