[INFO] cloning repository https://github.com/michaelb/rust-jupyter-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelb/rust-jupyter-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Frust-jupyter-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Frust-jupyter-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e9c939df3fbe99e81bd8a4e4161e5f5fbfa1bcd
[INFO] documenting michaelb/rust-jupyter-client against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Frust-jupyter-client" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelb/rust-jupyter-client 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 git repo https://github.com/michaelb/rust-jupyter-client
[INFO] finished tweaking git repo https://github.com/michaelb/rust-jupyter-client
[INFO] tweaked toml for git repo https://github.com/michaelb/rust-jupyter-client written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelb/rust-jupyter-client 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 metadeps v1.1.2
[INFO] [stderr]   Downloaded heck v0.3.0
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded structopt-derive v0.2.13
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded opaque-debug v0.2.1
[INFO] [stderr]   Downloaded structopt v0.2.13
[INFO] [stderr]   Downloaded zmq-sys v0.8.2
[INFO] [stderr]   Downloaded byte-tools v0.3.0
[INFO] [stderr]   Downloaded zmq v0.8.2
[INFO] [stderr]   Downloaded block-buffer v0.7.0
[INFO] [stderr]   Downloaded hmac v0.7.0
[INFO] [stderr]   Downloaded block-padding v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 60003971740fcc7341c1a803e77449121f9398f2a53471e13a66586b6cbb0356
[INFO] running `Command { std: "docker" "start" "-a" "60003971740fcc7341c1a803e77449121f9398f2a53471e13a66586b6cbb0356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60003971740fcc7341c1a803e77449121f9398f2a53471e13a66586b6cbb0356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60003971740fcc7341c1a803e77449121f9398f2a53471e13a66586b6cbb0356", kill_on_drop: false }`
[INFO] [stdout] 60003971740fcc7341c1a803e77449121f9398f2a53471e13a66586b6cbb0356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 21277e6f505f684851e251197063161b9dcd7049062e58161c2666fb68465ebc
[INFO] running `Command { std: "docker" "start" "-a" "21277e6f505f684851e251197063161b9dcd7049062e58161c2666fb68465ebc", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]    Compiling zmq-sys v0.8.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling zmq v0.8.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]  Documenting jupyter-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.13s
[INFO] running `Command { std: "docker" "inspect" "21277e6f505f684851e251197063161b9dcd7049062e58161c2666fb68465ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21277e6f505f684851e251197063161b9dcd7049062e58161c2666fb68465ebc", kill_on_drop: false }`
[INFO] [stdout] 21277e6f505f684851e251197063161b9dcd7049062e58161c2666fb68465ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 617956e599a47abc7bb4a1dbf9259fda19d0f0d08c5db985407037e84c870d64
[INFO] running `Command { std: "docker" "start" "-a" "617956e599a47abc7bb4a1dbf9259fda19d0f0d08c5db985407037e84c870d64", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling zmq-sys v0.8.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling zmq v0.8.2
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]  Documenting jupyter-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.02s
[INFO] running `Command { std: "docker" "inspect" "617956e599a47abc7bb4a1dbf9259fda19d0f0d08c5db985407037e84c870d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617956e599a47abc7bb4a1dbf9259fda19d0f0d08c5db985407037e84c870d64", kill_on_drop: false }`
[INFO] [stdout] 617956e599a47abc7bb4a1dbf9259fda19d0f0d08c5db985407037e84c870d64