[INFO] fetching crate simulation 0.0.2-alpha.0...
[INFO] documenting simulation-0.0.2-alpha.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate simulation 0.0.2-alpha.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate simulation 0.0.2-alpha.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simulation 0.0.2-alpha.0
[INFO] finished tweaking crates.io crate simulation 0.0.2-alpha.0
[INFO] tweaked toml for crates.io crate simulation 0.0.2-alpha.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate simulation 0.0.2-alpha.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.5.0
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[INFO] [stderr]   Downloaded tower-service v0.3.0-alpha.2
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[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
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[INFO] [stderr]   Downloaded async-trait v0.1.16
[INFO] [stderr]   Downloaded tonic v0.1.0-alpha.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a32eb0d111786899ee8cc1281fb8fcf492f039af9bda3b51f9848a237b00e15c
[INFO] running `Command { std: "docker" "start" "-a" "a32eb0d111786899ee8cc1281fb8fcf492f039af9bda3b51f9848a237b00e15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a32eb0d111786899ee8cc1281fb8fcf492f039af9bda3b51f9848a237b00e15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32eb0d111786899ee8cc1281fb8fcf492f039af9bda3b51f9848a237b00e15c", kill_on_drop: false }`
[INFO] [stdout] a32eb0d111786899ee8cc1281fb8fcf492f039af9bda3b51f9848a237b00e15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a1d7b07cb5c0cf17319196e44a8b5677b95c436c8554608e90c6373fcd3e768
[INFO] running `Command { std: "docker" "start" "-a" "7a1d7b07cb5c0cf17319196e44a8b5677b95c436c8554608e90c6373fcd3e768", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking pin-convert v0.1.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling async-trait v0.1.16
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tracing v0.1.9
[INFO] [stderr]     Checking pin-project v0.4.5
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-test v0.2.0-alpha.6
[INFO] [stderr]  Documenting simulation v0.0.2-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.98s
[INFO] running `Command { std: "docker" "inspect" "7a1d7b07cb5c0cf17319196e44a8b5677b95c436c8554608e90c6373fcd3e768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1d7b07cb5c0cf17319196e44a8b5677b95c436c8554608e90c6373fcd3e768", kill_on_drop: false }`
[INFO] [stdout] 7a1d7b07cb5c0cf17319196e44a8b5677b95c436c8554608e90c6373fcd3e768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 55d504481dcb4f5f5b2ed6aec0a8b965754e02fedfe225a51742e15bdbf17d9a
[INFO] running `Command { std: "docker" "start" "-a" "55d504481dcb4f5f5b2ed6aec0a8b965754e02fedfe225a51742e15bdbf17d9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking pin-convert v0.1.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling async-trait v0.1.16
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tracing v0.1.9
[INFO] [stderr]     Checking pin-project v0.4.5
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-test v0.2.0-alpha.6
[INFO] [stderr]  Documenting simulation v0.0.2-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.22s
[INFO] running `Command { std: "docker" "inspect" "55d504481dcb4f5f5b2ed6aec0a8b965754e02fedfe225a51742e15bdbf17d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d504481dcb4f5f5b2ed6aec0a8b965754e02fedfe225a51742e15bdbf17d9a", kill_on_drop: false }`
[INFO] [stdout] 55d504481dcb4f5f5b2ed6aec0a8b965754e02fedfe225a51742e15bdbf17d9a