[INFO] cloning repository https://github.com/tbro/rusty-recommends
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tbro/rusty-recommends" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbro%2Frusty-recommends", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbro%2Frusty-recommends'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f5de6d8076baa49fec3409a4c537090205fa948
[INFO] documenting tbro/rusty-recommends 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%2Ftbro%2Frusty-recommends" "/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/tbro/rusty-recommends 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/tbro/rusty-recommends
[INFO] finished tweaking git repo https://github.com/tbro/rusty-recommends
[INFO] tweaked toml for git repo https://github.com/tbro/rusty-recommends written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/tbro/rusty-recommends 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] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rspotify v0.9.0
[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] 7d7bb29b8aa6f91fd9103363dd5aa2b89e0fa2bda4a550cce5e5bec180fe7f22
[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" "7d7bb29b8aa6f91fd9103363dd5aa2b89e0fa2bda4a550cce5e5bec180fe7f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d7bb29b8aa6f91fd9103363dd5aa2b89e0fa2bda4a550cce5e5bec180fe7f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7bb29b8aa6f91fd9103363dd5aa2b89e0fa2bda4a550cce5e5bec180fe7f22", kill_on_drop: false }`
[INFO] [stdout] 7d7bb29b8aa6f91fd9103363dd5aa2b89e0fa2bda4a550cce5e5bec180fe7f22
[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] [stdout] 99d2fe2d104a2c9eac9a1f14afa9113d6557d7dc6e8200b6125f5b58cadbec17
[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" "99d2fe2d104a2c9eac9a1f14afa9113d6557d7dc6e8200b6125f5b58cadbec17", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking webbrowser v0.5.2
[INFO] [stderr]     Checking os_str_bytes v2.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio v0.2.19
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#f01dccb8)
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#f01dccb8)
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking tokio-socks v0.2.2
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking rspotify v0.9.0
[INFO] [stderr]  Documenting rusty-recomends v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "99d2fe2d104a2c9eac9a1f14afa9113d6557d7dc6e8200b6125f5b58cadbec17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d2fe2d104a2c9eac9a1f14afa9113d6557d7dc6e8200b6125f5b58cadbec17", kill_on_drop: false }`
[INFO] [stdout] 99d2fe2d104a2c9eac9a1f14afa9113d6557d7dc6e8200b6125f5b58cadbec17