[INFO] fetching crate crossgen 0.6.0...
[INFO] documenting crossgen-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate crossgen 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate crossgen 0.6.0 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 crossgen 0.6.0
[INFO] finished tweaking crates.io crate crossgen 0.6.0
[INFO] tweaked toml for crates.io crate crossgen 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 mkdirp v0.1.0
[INFO] [stderr]   Downloaded clap_flags v0.3.0
[INFO] [stderr]   Downloaded dialoguer v0.1.0
[INFO] [stderr]   Downloaded clap-log-flag v0.2.1
[INFO] [stderr]   Downloaded cargo_toml v0.3.0
[INFO] [stderr]   Downloaded clap-port-flag v0.3.0
[INFO] [stderr]   Downloaded github_auth v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6dac6bafdd4b0e8fb90879e3016b2f88c138a39897f69ca2569f39acca105bb4
[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" "6dac6bafdd4b0e8fb90879e3016b2f88c138a39897f69ca2569f39acca105bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dac6bafdd4b0e8fb90879e3016b2f88c138a39897f69ca2569f39acca105bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dac6bafdd4b0e8fb90879e3016b2f88c138a39897f69ca2569f39acca105bb4", kill_on_drop: false }`
[INFO] [stdout] 6dac6bafdd4b0e8fb90879e3016b2f88c138a39897f69ca2569f39acca105bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2bc94d9abf5585fc0da965551fbc11360ea2479b84039301d574801f4ac4a37b
[INFO] running `Command { std: "docker" "start" "-a" "2bc94d9abf5585fc0da965551fbc11360ea2479b84039301d574801f4ac4a37b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.29
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[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling error-chain v0.12.4
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[INFO] [stderr]    Compiling idna v0.2.0
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[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking directories v1.0.2
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[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling openssl v0.10.30
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[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling clap-port-flag v0.3.0
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[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
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[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking cargo_toml v0.3.0
[INFO] [stderr]     Checking clap_flags v0.3.0
[INFO] [stderr]     Checking tokio v0.1.22
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[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking github_auth v0.7.1
[INFO] [stderr]    Compiling crossgen v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:60:30
[INFO] [stdout]    |
[INFO] [stdout] 60 |   fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting crossgen v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "2bc94d9abf5585fc0da965551fbc11360ea2479b84039301d574801f4ac4a37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc94d9abf5585fc0da965551fbc11360ea2479b84039301d574801f4ac4a37b", kill_on_drop: false }`
[INFO] [stdout] 2bc94d9abf5585fc0da965551fbc11360ea2479b84039301d574801f4ac4a37b