[INFO] fetching crate nutshell 0.1.1...
[INFO] documenting nutshell-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nutshell 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nutshell 0.1.1 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 crates.io crate nutshell 0.1.1
[INFO] finished tweaking crates.io crate nutshell 0.1.1
[INFO] tweaked toml for crates.io crate nutshell 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate nutshell 0.1.1 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]     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 libc v0.2.68
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded openssl-sys v0.9.54
[INFO] [stderr]   Downloaded pin-project v0.4.8
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded security-framework-sys v0.4.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.59
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.11
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded hyper v0.13.4
[INFO] [stderr]   Downloaded regex v1.3.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.59
[INFO] [stderr]   Downloaded h2 v0.2.2
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded web-sys v0.3.36
[INFO] [stderr]   Downloaded smallvec v1.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.9
[INFO] [stderr]   Downloaded proc-macro-error v0.4.11
[INFO] [stderr]   Downloaded tokio v0.2.13
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded encoding_rs v0.8.22
[INFO] [stderr]   Downloaded openssl v0.10.28
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.59
[INFO] [stderr]   Downloaded pin-project-internal v0.4.8
[INFO] [stderr]   Downloaded schannel v0.1.18
[INFO] [stderr]   Downloaded structopt v0.3.12
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded security-framework v0.4.1
[INFO] [stderr]   Downloaded serde_json v1.0.48
[INFO] [stderr]   Downloaded structopt-derive v0.4.5
[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] [stdout] c5b73dfb7c7b12441a759f49a19a07a2425c099faef54cfbb91b31c3e30c8d24
[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" "c5b73dfb7c7b12441a759f49a19a07a2425c099faef54cfbb91b31c3e30c8d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5b73dfb7c7b12441a759f49a19a07a2425c099faef54cfbb91b31c3e30c8d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b73dfb7c7b12441a759f49a19a07a2425c099faef54cfbb91b31c3e30c8d24", kill_on_drop: false }`
[INFO] [stdout] c5b73dfb7c7b12441a759f49a19a07a2425c099faef54cfbb91b31c3e30c8d24
[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] 822312c95bfb2b7c239e585b805c23a5ed212c8f79605fcbe9fec7a95cb25914
[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" "822312c95bfb2b7c239e585b805c23a5ed212c8f79605fcbe9fec7a95cb25914", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting nutshell v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.12s
[INFO] running `Command { std: "docker" "inspect" "822312c95bfb2b7c239e585b805c23a5ed212c8f79605fcbe9fec7a95cb25914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822312c95bfb2b7c239e585b805c23a5ed212c8f79605fcbe9fec7a95cb25914", kill_on_drop: false }`
[INFO] [stdout] 822312c95bfb2b7c239e585b805c23a5ed212c8f79605fcbe9fec7a95cb25914