[INFO] cloning repository https://github.com/meamuri/population-data-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meamuri/population-data-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeamuri%2Fpopulation-data-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeamuri%2Fpopulation-data-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afc40e519fb443d96ad929ba27a5848bfa36ab43
[INFO] documenting meamuri/population-data-rs 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%2Fmeamuri%2Fpopulation-data-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meamuri/population-data-rs 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/meamuri/population-data-rs
[INFO] finished tweaking git repo https://github.com/meamuri/population-data-rs
[INFO] tweaked toml for git repo https://github.com/meamuri/population-data-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/meamuri/population-data-rs 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 scan_fmt v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.10
[INFO] [stderr]   Downloaded libc v0.2.26
[INFO] [stderr]   Downloaded bson v0.9.0
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded advapi32-sys v0.1.2
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded textnonce v0.6.0
[INFO] [stderr]   Downloaded winutil v0.1.0
[INFO] [stderr]   Downloaded base64 v0.4.2
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded csv v1.0.0-beta.3
[INFO] [stderr]   Downloaded hostname v0.1.3
[INFO] [stderr]   Downloaded csv-core v0.1.2
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.10
[INFO] [stderr]   Downloaded kernel32-sys v0.1.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.26
[INFO] [stderr]   Downloaded mongodb v0.3.1
[INFO] [stderr]   Downloaded linked-hash-map v0.4.2
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5a2cdacf10748f86de90fb2961858df209fa29e09b2201a4abae785cfd1486d6
[INFO] running `Command { std: "docker" "start" "-a" "5a2cdacf10748f86de90fb2961858df209fa29e09b2201a4abae785cfd1486d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2cdacf10748f86de90fb2961858df209fa29e09b2201a4abae785cfd1486d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2cdacf10748f86de90fb2961858df209fa29e09b2201a4abae785cfd1486d6", kill_on_drop: false }`
[INFO] [stdout] 5a2cdacf10748f86de90fb2961858df209fa29e09b2201a4abae785cfd1486d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 45c3909a80bf6aca69d2b18992c5197f4aa948d2625d29e8785853541465869e
[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" "45c3909a80bf6aca69d2b18992c5197f4aa948d2625d29e8785853541465869e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking serde v1.0.10
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]     Checking semver v0.7.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking csv-core v0.1.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]     Checking textnonce v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking csv v1.0.0-beta.3
[INFO] [stderr]     Checking bson v0.9.0
[INFO] [stderr]     Checking mongodb v0.3.1
[INFO] [stderr]  Documenting population_data_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.23s
[INFO] running `Command { std: "docker" "inspect" "45c3909a80bf6aca69d2b18992c5197f4aa948d2625d29e8785853541465869e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c3909a80bf6aca69d2b18992c5197f4aa948d2625d29e8785853541465869e", kill_on_drop: false }`
[INFO] [stdout] 45c3909a80bf6aca69d2b18992c5197f4aa948d2625d29e8785853541465869e