[INFO] cloning repository https://github.com/Hevia/edulingo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hevia/edulingo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHevia%2Fedulingo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHevia%2Fedulingo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cc21513f43a367564883e3a8ec29884d0bc7aec
[INFO] documenting Hevia/edulingo against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHevia%2Fedulingo" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hevia/edulingo on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hevia/edulingo
[INFO] finished tweaking git repo https://github.com/Hevia/edulingo
[INFO] tweaked toml for git repo https://github.com/Hevia/edulingo written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/Hevia/edulingo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fallible-streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded rusqlite v0.21.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0544c1783ce0cb39da6bb7f10bfa522e9bc2f654955af6bc0fb1235dff33c529
[INFO] running `Command { std: "docker" "start" "-a" "0544c1783ce0cb39da6bb7f10bfa522e9bc2f654955af6bc0fb1235dff33c529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0544c1783ce0cb39da6bb7f10bfa522e9bc2f654955af6bc0fb1235dff33c529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0544c1783ce0cb39da6bb7f10bfa522e9bc2f654955af6bc0fb1235dff33c529", kill_on_drop: false }`
[INFO] [stdout] 0544c1783ce0cb39da6bb7f10bfa522e9bc2f654955af6bc0fb1235dff33c529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 679cb0700fb365a19884da4d1026acb71d4c0f89aabab603fd04f34d4344d963
[INFO] running `Command { std: "docker" "start" "-a" "679cb0700fb365a19884da4d1026acb71d4c0f89aabab603fd04f34d4344d963", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]  Documenting edulingo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.15s
[INFO] running `Command { std: "docker" "inspect" "679cb0700fb365a19884da4d1026acb71d4c0f89aabab603fd04f34d4344d963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679cb0700fb365a19884da4d1026acb71d4c0f89aabab603fd04f34d4344d963", kill_on_drop: false }`
[INFO] [stdout] 679cb0700fb365a19884da4d1026acb71d4c0f89aabab603fd04f34d4344d963