[INFO] fetching crate dqcsim 0.2.4...
[INFO] documenting dqcsim-0.2.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate dqcsim 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dqcsim 0.2.4 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 dqcsim 0.2.4
[INFO] finished tweaking crates.io crate dqcsim 0.2.4
[INFO] tweaked toml for crates.io crate dqcsim 0.2.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate dqcsim 0.2.4 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]  Downloading crates ...
[INFO] [stderr]   Downloaded integer-sqrt v0.1.3
[INFO] [stderr]   Downloaded cbindgen v0.14.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1e181395c36844c8ebe628582983ad28c1f35ab054a4a3dede33c5111f6b30f2
[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" "1e181395c36844c8ebe628582983ad28c1f35ab054a4a3dede33c5111f6b30f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e181395c36844c8ebe628582983ad28c1f35ab054a4a3dede33c5111f6b30f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e181395c36844c8ebe628582983ad28c1f35ab054a4a3dede33c5111f6b30f2", kill_on_drop: false }`
[INFO] [stdout] 1e181395c36844c8ebe628582983ad28c1f35ab054a4a3dede33c5111f6b30f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] acf6786bffcf04c7a0333c2ab9484a2bd43138f45b41b3e2ea279a1c496ce21f
[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" "acf6786bffcf04c7a0333c2ab9484a2bd43138f45b41b3e2ea279a1c496ce21f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling dqcsim v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking whoami v0.9.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde-transcode v1.1.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking ipc-channel v0.14.1
[INFO] [stderr]  Documenting dqcsim v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.25s
[INFO] running `Command { std: "docker" "inspect" "acf6786bffcf04c7a0333c2ab9484a2bd43138f45b41b3e2ea279a1c496ce21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf6786bffcf04c7a0333c2ab9484a2bd43138f45b41b3e2ea279a1c496ce21f", kill_on_drop: false }`
[INFO] [stdout] acf6786bffcf04c7a0333c2ab9484a2bd43138f45b41b3e2ea279a1c496ce21f