[INFO] cloning repository https://github.com/piderman314/snert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/piderman314/snert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiderman314%2Fsnert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiderman314%2Fsnert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceb27b562a0653237a9d2de7b71473c05a52491b
[INFO] documenting piderman314/snert 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%2Fpiderman314%2Fsnert" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/piderman314/snert 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/piderman314/snert
[INFO] finished tweaking git repo https://github.com/piderman314/snert
[INFO] tweaked toml for git repo https://github.com/piderman314/snert written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/piderman314/snert 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6fd68b54a346635352e2388505290e9aab5714fa998875f5e1008771d248617a
[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" "6fd68b54a346635352e2388505290e9aab5714fa998875f5e1008771d248617a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fd68b54a346635352e2388505290e9aab5714fa998875f5e1008771d248617a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd68b54a346635352e2388505290e9aab5714fa998875f5e1008771d248617a", kill_on_drop: false }`
[INFO] [stdout] 6fd68b54a346635352e2388505290e9aab5714fa998875f5e1008771d248617a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ba194c486fde52bc4cfd598ce068127fb04fb28f764b3465fb275034cc10c00c
[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" "ba194c486fde52bc4cfd598ce068127fb04fb28f764b3465fb275034cc10c00c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]  Documenting snert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.43s
[INFO] running `Command { std: "docker" "inspect" "ba194c486fde52bc4cfd598ce068127fb04fb28f764b3465fb275034cc10c00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba194c486fde52bc4cfd598ce068127fb04fb28f764b3465fb275034cc10c00c", kill_on_drop: false }`
[INFO] [stdout] ba194c486fde52bc4cfd598ce068127fb04fb28f764b3465fb275034cc10c00c