[INFO] fetching crate choices 0.4.0...
[INFO] documenting choices-0.4.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate choices 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate choices 0.4.0 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 choices 0.4.0
[INFO] removed 2 missing examples
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate choices 0.4.0
[INFO] tweaked toml for crates.io crate choices 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate choices 0.4.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 530208c19d977b1f7167615921032a7de24ed1e053d55806454b3c111cd8ba16
[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" "530208c19d977b1f7167615921032a7de24ed1e053d55806454b3c111cd8ba16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "530208c19d977b1f7167615921032a7de24ed1e053d55806454b3c111cd8ba16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530208c19d977b1f7167615921032a7de24ed1e053d55806454b3c111cd8ba16", kill_on_drop: false }`
[INFO] [stdout] 530208c19d977b1f7167615921032a7de24ed1e053d55806454b3c111cd8ba16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ebd999e3a16759cb191ca92509641b80b68cd34a3fa76f10ac6673dd88b844f1
[INFO] running `Command { std: "docker" "start" "-a" "ebd999e3a16759cb191ca92509641b80b68cd34a3fa76f10ac6673dd88b844f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking tracing v0.1.24
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.8
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking headers v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling choices-derive v0.4.0
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking warp v0.3.0
[INFO] [stderr]  Documenting choices v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.16s
[INFO] running `Command { std: "docker" "inspect" "ebd999e3a16759cb191ca92509641b80b68cd34a3fa76f10ac6673dd88b844f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd999e3a16759cb191ca92509641b80b68cd34a3fa76f10ac6673dd88b844f1", kill_on_drop: false }`
[INFO] [stdout] ebd999e3a16759cb191ca92509641b80b68cd34a3fa76f10ac6673dd88b844f1
