[INFO] fetching crate disle 0.7.1...
[INFO] documenting disle-0.7.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate disle 0.7.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate disle 0.7.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate disle 0.7.1
[INFO] finished tweaking crates.io crate disle 0.7.1
[INFO] tweaked toml for crates.io crate disle 0.7.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate disle 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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 async-tls v0.6.0
[INFO] [stderr]   Downloaded async-tungstenite v0.4.2
[INFO] [stderr]   Downloaded uwl v0.6.0
[INFO] [stderr]   Downloaded command_attr v0.3.0-rc.0
[INFO] [stderr]   Downloaded typemap_rev v0.1.3
[INFO] [stderr]   Downloaded serenity v0.9.0-rc.0
[INFO] [stderr]   Downloaded caith v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d2a295b602e7fcb8e982b25bae85b222c282e13b0dac3782cac0f4076e251eb
[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" "7d2a295b602e7fcb8e982b25bae85b222c282e13b0dac3782cac0f4076e251eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d2a295b602e7fcb8e982b25bae85b222c282e13b0dac3782cac0f4076e251eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2a295b602e7fcb8e982b25bae85b222c282e13b0dac3782cac0f4076e251eb", kill_on_drop: false }`
[INFO] [stdout] 7d2a295b602e7fcb8e982b25bae85b222c282e13b0dac3782cac0f4076e251eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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-2020-10-09" "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] 8cca27c0cb0f72f314963f84d7914ce875154f45bfdc17336074d5c98cb6e746
[INFO] running `Command { std: "docker" "start" "-a" "8cca27c0cb0f72f314963f84d7914ce875154f45bfdc17336074d5c98cb6e746", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling caith v2.0.1
[INFO] [stderr]    Compiling serenity v0.9.0-rc.0
[INFO] [stderr]     Checking typemap_rev v0.1.3
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling async-trait v0.1.38
[INFO] [stderr]    Compiling command_attr v0.3.0-rc.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.0
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-tls v0.6.0
[INFO] [stderr]     Checking async-tungstenite v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking ron v0.6.2
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]  Documenting disle v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "8cca27c0cb0f72f314963f84d7914ce875154f45bfdc17336074d5c98cb6e746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cca27c0cb0f72f314963f84d7914ce875154f45bfdc17336074d5c98cb6e746", kill_on_drop: false }`
[INFO] [stdout] 8cca27c0cb0f72f314963f84d7914ce875154f45bfdc17336074d5c98cb6e746
