[INFO] fetching crate derico 0.1.0...
[INFO] documenting derico-0.1.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate derico 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate derico 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate derico 0.1.0
[INFO] finished tweaking crates.io crate derico 0.1.0
[INFO] tweaked toml for crates.io crate derico 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] 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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4be4800340719bbf042f32b7432800c983fc79c81fa6932440d36902f2bed98a
[INFO] running `Command { std: "docker" "start" "-a" "4be4800340719bbf042f32b7432800c983fc79c81fa6932440d36902f2bed98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4be4800340719bbf042f32b7432800c983fc79c81fa6932440d36902f2bed98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be4800340719bbf042f32b7432800c983fc79c81fa6932440d36902f2bed98a", kill_on_drop: false }`
[INFO] [stdout] 4be4800340719bbf042f32b7432800c983fc79c81fa6932440d36902f2bed98a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f9a9f56927d78b8461fd25a17c2f72838baaa398a6b39301772a48bb599cf26
[INFO] running `Command { std: "docker" "start" "-a" "4f9a9f56927d78b8461fd25a17c2f72838baaa398a6b39301772a48bb599cf26", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]  Documenting derico v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "4f9a9f56927d78b8461fd25a17c2f72838baaa398a6b39301772a48bb599cf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9a9f56927d78b8461fd25a17c2f72838baaa398a6b39301772a48bb599cf26", kill_on_drop: false }`
[INFO] [stdout] 4f9a9f56927d78b8461fd25a17c2f72838baaa398a6b39301772a48bb599cf26
