[INFO] cloning repository https://github.com/merrilymeredith/calajson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merrilymeredith/calajson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrilymeredith%2Fcalajson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrilymeredith%2Fcalajson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6996491ed1737d17452f807db796943da815d58b
[INFO] documenting merrilymeredith/calajson 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%2Fmerrilymeredith%2Fcalajson" "/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/merrilymeredith/calajson 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/merrilymeredith/calajson
[INFO] finished tweaking git repo https://github.com/merrilymeredith/calajson
[INFO] tweaked toml for git repo https://github.com/merrilymeredith/calajson written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/merrilymeredith/calajson 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 serde v1.0.84
[INFO] [stderr]   Downloaded redox_syscall v0.1.50
[INFO] [stderr]   Downloaded failure_derive v0.1.4
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded cc v1.0.28
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded memchr v2.1.2
[INFO] [stderr]   Downloaded failure v0.1.4
[INFO] [stderr]   Downloaded quick-xml v0.13.1
[INFO] [stderr]   Downloaded zip v0.5.0
[INFO] [stderr]   Downloaded libflate v0.1.19
[INFO] [stderr]   Downloaded crc32fast v1.1.2
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded serde_json v1.0.34
[INFO] [stderr]   Downloaded backtrace v0.3.13
[INFO] [stderr]   Downloaded podio v0.1.6
[INFO] [stderr]   Downloaded rustc-demangle v0.1.11
[INFO] [stderr]   Downloaded autocfg v0.1.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.13
[INFO] [stderr]   Downloaded calamine v0.14.10
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85fa8a25ed82038bfa7f1e6178bf7fcc137f0bc53d6184454b784f7c88667cc9
[INFO] running `Command { std: "docker" "start" "-a" "85fa8a25ed82038bfa7f1e6178bf7fcc137f0bc53d6184454b784f7c88667cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85fa8a25ed82038bfa7f1e6178bf7fcc137f0bc53d6184454b784f7c88667cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fa8a25ed82038bfa7f1e6178bf7fcc137f0bc53d6184454b784f7c88667cc9", kill_on_drop: false }`
[INFO] [stdout] 85fa8a25ed82038bfa7f1e6178bf7fcc137f0bc53d6184454b784f7c88667cc9
[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] 2ff8e80f548551fbfeaac244f6aecbdf7ba35f958a884c7a7bce5723c562b067
[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" "2ff8e80f548551fbfeaac244f6aecbdf7ba35f958a884c7a7bce5723c562b067", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking zip v0.5.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]     Checking failure v0.1.4
[INFO] [stderr]     Checking quick-xml v0.13.1
[INFO] [stderr]     Checking calamine v0.14.10
[INFO] [stderr]  Documenting calajson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.68s
[INFO] running `Command { std: "docker" "inspect" "2ff8e80f548551fbfeaac244f6aecbdf7ba35f958a884c7a7bce5723c562b067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff8e80f548551fbfeaac244f6aecbdf7ba35f958a884c7a7bce5723c562b067", kill_on_drop: false }`
[INFO] [stdout] 2ff8e80f548551fbfeaac244f6aecbdf7ba35f958a884c7a7bce5723c562b067